FM broadcasting is a method of radio broadcasting that uses frequency modulation ( FM ) of the radio broadcast carrier wave. Invented in 1933 by American engineer Edwin Armstrong , wide-band FM is used worldwide to transmit high-fidelity sound over broadcast radio . FM broadcasting offers higher fidelity—more accurate reproduction of the original program sound—than other broadcasting techniques, such as AM broadcasting . It is also less susceptible to common forms of interference , having less static and popping sounds than are often heard on AM. Therefore, FM is used for most broadcasts of music and general audio (in the audio spectrum). FM radio stations use the very high frequency range of radio frequencies .
134-519: CBC Music (formerly known as CBC FM , CBC Stereo and CBC Radio 2 ) is a Canadian FM radio network operated by the Canadian Broadcasting Corporation . It used to concentrate on classical and jazz . In 2007 and 2008, the network transitioned towards a new " adult music " format with a variety of genres, with the classical genre generally restricted to midday hours. In 2009, Radio 2 averaged 2.1 million listeners weekly, and it
268-490: A "national newspaper war" between The Globe and Mail and the National Post . Partly as a response to this threat, in 2001 The Globe and Mail was combined with broadcast assets held by BCE Inc. to form the joint venture Bell Globemedia . In 2004, access to some features of globeandmail.com became restricted to paid subscribers only. The subscription service was reduced a few years later to include an electronic edition of
402-687: A Sunday edition, marking the first time that the paper had ever published on Sunday. In October 2012, The Globe and Mail relaunched its digital subscription offering under the marketing brand "Globe Unlimited" to include metered access for some of its online content. On September 25, 2012, The Globe and Mail announced it had disciplined high-profile staff columnist Margaret Wente after she admitted to plagiarism . The scandal emerged after University of Ottawa professor and blogger , Carol Wainio , repeatedly raised plagiarism accusations against Wente on her blog. On October 22, 2012, online Canadian magazine The Tyee published an article criticizing
536-403: A bolder, more visual presentation that features 100 per cent full-colour pages, more graphics, slightly glossy paper stock (with the use of state-of-the-art heat-set printing presses), and emphasis on lifestyle and similar sections (an approached dubbed "Globe-lite" by one media critic). The Globe and Mail sees this redesign as a step toward the future (promoted as such by a commercial featuring
670-577: A complaint with the Canadian Radio-Television and Telecommunications Commission , alleging that the CBC's access to government funding gave it an unfair competitive advantage over private for-profit services. Noting that the CBC pays the same copyright royalties to SOCAN as the competing services and that it places a much greater emphasis on Canadian content than the commercial services, the CRTC dismissed
804-624: A consistent overall audience while lowering the average age of its listenership from 65 to 52 in January 2010. On February 6, 2018, the CBC announced that Radio 2 would be rebranded as CBC Music, aligning with the branding of the corporation's music website and digital audio service (discussed below ). During the COVID-19 pandemic in Canada , the service temporarily shifted to a playlist of exclusively Canadian music, to help support Canadian musicians impacted by
938-425: A countdown show currently hosted by Grant Lawrence , on Thursdays; and Marvin's Room , hosted by A. Harmony and devoted to rhythm and blues , on Fridays. This block aired from 7 to 8 p.m. until February 2021, when it was moved to 6 p.m. Angeline Tetteh-Wayoe hosts The Block , a program devoted to black music genres such as hip hop, soul and rhythm and blues, at 7 p.m. Odario Williams hosts After Dark in
1072-436: A format and name change, similar to that which its French counterpart Espace musique undertook in 2004; however, no plans were announced until January 2007. These changes, which took effect March 19, resulted in a tighter focus on music – still primarily classical but also including jazz , world music , and live music of all types. The length and frequency of newscasts, which had essentially duplicated those heard on Radio One,
1206-628: A libel lawsuit against The Globe and Mail in 2015 for $ 4.55 million after the paper allegedly "declined to retract their unfounded allegations" suggesting that Chan was "a risk to national security because of his ties to China." In 2017, The Globe and Mail refreshed its web design with a new pattern library and faster load times on all platforms. The new website is designed to display well on mobile, tablet, and desktop, with pages that highlight journalists and newer articles. The new website has won several awards, including an Online Journalism Award. The Globe and Mail also launched its News Photo Archive,
1340-477: A limited amount of advertising, up to four minutes an hour, with a goal of broadcasting up to nine minutes per hour in 2016. Ad-free streams of the Toronto and Vancouver feeds were introduced online for international listeners. On August 31, 2016, the CRTC denied CBC's request to continue airing commercial advertisements until August 31, 2018. Consequently, advertising ceased on September 1, 2016. CBC Music also produces
1474-470: A merger of The Toronto Mail and The Empire . In 1936, The Globe and The Mail and Empire merged to form The Globe and Mail . The newspaper was acquired by FP Publications in 1965, who later sold the paper to the Thomson Corporation in 1980. In 2001, the paper merged with broadcast assets held by BCE Inc. to form the joint venture Bell Globemedia . In 2010, direct control of the newspaper
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#17328559612011608-510: A monophonic broadcast, again the most common permitted maximum deviation is ±75 kHz. However, some countries specify a lower value for monophonic broadcasts, such as ±50 kHz. The bandwidth of an FM transmission is given by the Carson bandwidth rule which is the sum of twice the maximum deviation and twice the maximum modulating frequency. For a transmission that includes RDS this would be 2 × 75 kHz + 2 × 60 kHz = 270 kHz . This
1742-585: A new era in relations with the company. Those negotiations ended without a strike, and the Globe unit of SONG still has a strike-free record. SONG members voted in 1994 to sever ties with the American-focused Newspaper Guild. Shortly afterwards, SONG affiliated with the Communications, Energy and Paperworkers Union of Canada (CEP). Under the editorship of William Thorsell in the 1980s and 1990s,
1876-557: A program feed for AM transmitters of AM/FM stations. SCA subcarriers are typically 67 kHz and 92 kHz. Initially the users of SCA services were private analog audio channels which could be used internally or leased, for example Muzak -type services. There were experiments with quadraphonic sound. If a station does not broadcast in stereo, everything from 23 kHz on up can be used for other services. The guard band around 19 kHz (±4 kHz) must still be maintained, so as not to trigger stereo decoders on receivers. If there
2010-471: A public vote selecting five artists, for a list of ten finalists rather than four. The winner of the competition wins $ 20,000 in musical gear from Yamaha Music , as well as a slot on the bill at the CBC Music Festival. Beginning in 2022, the competition also instituted a Fan Choice Award, presented to the three top vote-getters in the first stage of the competition regardless of how they fared through
2144-426: A requirement that has not been imposed on (or met by) the terrestrial network. Even so, a handful of programs that did meet this criterion, such as Deep Roots , have aired on Radio One's Sirius XM feed (channel 169); for a period in the mid-2010s, CBC Music also programmed a separate service for SiriusXM, CBC Music Sonica , which was devoted exclusively to Canadian music. This channel was later discontinued. CBC Music
2278-642: A showcase of more than 10,000 photos from its historic collection dedicated to subscribers. In concert with the Archive of Modern Conflict, The Globe and Mail digitized tens of thousands of negatives and photo prints from film, dating from 1900 to 1998, when film was last used in the newsroom. The Globe and Mail ended distribution of its print edition to New Brunswick, Nova Scotia, and PEI on 30 November 2017. Globe and Mail employees are represented by Unifor , whose most recent negotiations in September 2021 brought in
2412-506: A special "Report on Business Weekend" is released, which includes features on corporate lifestyle and personal finance , and extended coverage of business news. On the last Friday of every month, the Report on Business Magazine is released, the largest Canadian finance-oriented magazine. Business News Network (formerly ROBtv) is a twenty-four-hour news and business television station, founded by The Globe and Mail but operated by CTV through
2546-470: A studio-to-transmitter link system. In April 1935, the AM subcarriers were replaced by FM subcarriers, with much improved results. The first FM subcarrier transmissions emanating from Major Armstrong's experimental station KE2XCC at Alpine, New Jersey occurred in 1948. These transmissions consisted of two-channel audio programs, binaural audio programs and a fax program. The original subcarrier frequency used at KE2XCC
2680-445: A three-year contract set to end in 2024. "Report on Business", commonly referred to as "ROB", is the financial section of the newspaper. It is the most lengthy daily compilation of economic news in Canada, and is considered an integral part of the newspaper. Standard ROB sections are typically fifteen to twenty pages, and include the listings of major Canadian, U.S., and international stocks , bonds , and currencies. Every Saturday,
2814-469: A wider range of genres. The goal, according to the CBC, was to increase exposure of musicians and genres, other than classical and jazz, which received little airtime on private radio. Concomitantly, four web radio streams – all-classical, jazz, singer-songwriter, and "Canadian composer" – were introduced. On June 10, the CBC announced that hosts associated with the new programming would include Julie Nesrallah , Molly Johnson and Rich Terfry . There
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#17328559612012948-555: A young girl on a bicycle), and a step towards provoking debate on national issues (the October 1 edition featured a rare front-page editorial above the Globe and Mail banner). The paper has made changes to its format and layout, such as the introduction of colour photographs, a separate tabloid book-review section, and the creation of the Review section on arts, entertainment, and culture. Although
3082-525: Is added. VHF radio waves usually do not travel far beyond the visual horizon , so reception distances for FM stations are typically limited to 30–40 miles (50–60 km). They can also be blocked by hills and to a lesser extent by buildings. Individuals with more-sensitive receivers or specialized antenna systems, or who are located in areas with more favorable topography, may be able to receive useful FM broadcast signals at considerably greater distances. The knife edge effect can permit reception where there
3216-496: Is also available via the internet in webradio and podcast form. Between October 2013 and September 2016, access to the network's domestic internet streams was blocked for listeners outside Canada. The CBC stated that they were not allowed to broadcast advertising outside of Canada. Two ad-free streams – Eastern International and Pacific International – were made available for international users. On these streams, commercials were replaced with CBC promos and other filler content. After
3350-422: Is also known as the necessary bandwidth . Random noise has a triangular spectral distribution in an FM system, with the effect that noise occurs predominantly at the higher audio frequencies within the baseband . This can be offset, to a limited extent, by boosting the high frequencies before transmission and reducing them by a corresponding amount in the receiver. Reducing the high audio frequencies in
3484-408: Is amplitude modulated onto a 38 kHz double-sideband suppressed-carrier (DSB-SC) signal, thus occupying 23 kHz to 53 kHz. A 19 kHz ± 2 Hz pilot tone , at exactly half the 38 kHz sub-carrier frequency and with a precise phase relationship to it, as defined by the formula below, is also generated. The pilot is transmitted at 8–10% of overall modulation level and used by
3618-422: Is authorized for "hybrid" mode operation, wherein both the conventional analog FM carrier and digital sideband subcarriers are transmitted. The output power of an FM broadcasting transmitter is one of the parameters that governs how far a transmission will cover. The other important parameters are the height of the transmitting antenna and the antenna gain . Transmitter powers should be carefully chosen so that
3752-581: Is designed to be capable of use alongside ARI despite using identical subcarrier frequencies. In the United States and Canada , digital radio services are deployed within the FM band rather than using Eureka 147 or the Japanese standard ISDB . This in-band on-channel approach, as do all digital radio techniques, makes use of advanced compressed audio . The proprietary iBiquity system, branded as HD Radio ,
3886-572: Is less socially liberal than its competitor, the Toronto Star . Winter writes that "While the Globe has probably lost parts of its more conservative and corporate readership to the National Post , it continues to cater to the Canadian political and intellectual elite." According to one 2006 publication, the newspaper was considered an "upmarket" newspaper, in contrast to downmarket newspapers such as
4020-480: Is mainly the preserve of talk radio, news, sports, religious programming, ethnic (minority language) broadcasting and some types of minority interest music. This shift has transformed AM into the "alternative band" that FM once was. (Some AM stations have begun to simulcast on, or switch to, FM signals to attract younger listeners and aid reception problems in buildings, during thunderstorms, and near high-voltage wires. Some of these stations now emphasize their presence on
4154-671: Is no direct line of sight between broadcaster and receiver. The reception can vary considerably depending on the position. One example is the Učka mountain range, which makes constant reception of Italian signals from Veneto and Marche possible in a good portion of Rijeka , Croatia, despite the distance being over 200 km (125 miles). Other radio propagation effects such as tropospheric ducting and Sporadic E can occasionally allow distant stations to be intermittently received over very large distances (hundreds of miles), but cannot be relied on for commercial broadcast purposes. Good reception across
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4288-487: Is only suitable for text. A few proprietary systems are used for private communications. A variant of RDS is the North American RBDS or "smart radio" system. In Germany the analog ARI system was used prior to RDS to alert motorists that traffic announcements were broadcast (without disturbing other listeners). Plans to use ARI for other European countries led to the development of RDS as a more powerful system. RDS
4422-456: Is open to anyone who does not carry a prohibition and can put up the appropriate licensing and royalty fees. In 2010 around 450 such licences were issued. The Globe and Mail The Globe and Mail is a Canadian newspaper printed in five cities in western and central Canada . With a weekly readership of more than 6 million in 2024, it is Canada's most widely read newspaper on weekdays and Saturdays, although it falls slightly behind
4556-504: Is performed by a decoder, built into stereo receivers. Again, the decoder can use a switching technique to recover the left and right channels. In addition, for a given RF level at the receiver, the signal-to-noise ratio and multipath distortion for the stereo signal will be worse than for the mono receiver. For this reason many stereo FM receivers include a stereo/mono switch to allow listening in mono when reception conditions are less than ideal, and most car radios are arranged to reduce
4690-554: Is related to the transmitter 's RF power, the antenna gain , and antenna height . Interference from other stations is also a factor in some places. In the U.S, the FCC publishes curves that aid in calculation of this maximum distance as a function of signal strength at the receiving location. Computer modelling is more commonly used for this around the world. Many FM stations, especially those located in severe multipath areas, use extra audio compression /processing to keep essential sound above
4824-626: Is stereo, there will typically be a guard band between the upper limit of the DSBSC stereo signal (53 kHz) and the lower limit of any other subcarrier. Digital data services are also available. A 57 kHz subcarrier ( phase locked to the third harmonic of the stereo pilot tone) is used to carry a low-bandwidth digital Radio Data System signal, providing extra features such as station name, alternative frequency (AF), traffic data for satellite navigation systems and radio text (RT). This narrowband signal runs at only 1,187.5 bits per second , thus
4958-427: Is used. This applies to both mono and stereo transmissions. For stereo, pre-emphasis is applied to the left and right channels before multiplexing . The use of pre-emphasis becomes a problem because many forms of contemporary music contain more high-frequency energy than the musical styles which prevailed at the birth of FM broadcasting. Pre-emphasizing these high-frequency sounds would cause excessive deviation of
5092-523: The Toronto Star in overall weekly circulation because the Star publishes a Sunday edition, whereas the Globe does not. The Globe and Mail is regarded by some as Canada's " newspaper of record ". The Globe and Mail ' s predecessors, The Globe and The Mail and Empire were both established in the 19th century. The former was established in 1844, while the latter was established in 1895 through
5226-614: The Toronto Sun . In federal general elections , The Globe and Mail has generally endorsed right-wing parties. The paper endorsed Brian Mulroney ’s Progressive Conservatives in 1984 and 1988. In 1993, the paper endorsed a Liberal minority government ("We do not trust the Liberals to govern unguarded" ). Practically, the newspaper endorsed Preston Manning 's right-wing Reform Party in Ontario and West to avoid vote splitting . In 1998,
5360-511: The CRTC that it intended to start a second "more extended and more leisurely" program service on its FM stations, tentatively to be called "Radio Two". On November 3, 1975, the FM network was renamed CBC Stereo, to distinguish it from the AM network, known as CBC Radio. In the early 1990s, the CBC began offering selected programs on the Internet, most notably CBC Stereo's RealTime . In September 1996,
5494-504: The Clear Grits , a precursor to the modern Liberal Party of Canada . The Globe began in Toronto as a weekly party organ for Brown's Reform Party , but seeing the economic gains he could make in the newspaper business, Brown soon targeted a wide audience of liberal-minded freeholders. He selected as the motto for the editorial page a quotation from Junius , "The subject who is truly loyal to
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5628-524: The Conservatives . A 2010 survey found that the Globe and Mail was perceived as slightly right of centre , in similar standing to the bulk of other Canadian news organizations. Globe writers and columnists Andrew Coyne , John Ibbitson and Doug Saunders are proponents of the Century Initiative . Additionally, the Globe has devoted op-ed space to those affiliated with or sympathetic to
5762-464: The Globe' s " advertorial " policies and design. The Tyee alleged the Globe intentionally blurred the lines between advertising and editorial content in order to offer premium and effective ad space to high-paying advertisers. The Tyee reporter Jonathan Sas cited an 8-page spread in the October 2, 2012, print edition, called "The Future of the Oil Sands", to illustrate the difficulty in distinguishing
5896-580: The Light Programme , Third Programme and Home Service . These three networks used the sub-band 88.0–94.6 MHz. The sub-band 94.6–97.6 MHz was later used for BBC and local commercial services. However, only when commercial broadcasting was introduced to the UK in 1973 did the use of FM pick up in Britain. With the gradual clearance of other users (notably Public Services such as police, fire and ambulance) and
6030-525: The William H. Wright Building to 444 Front Street West in 1974. The new location had been the headquarters of the Toronto Telegram newspaper, built in 1963. The Globe and Mail remained in the building until 2016, when it relocated to the Globe and Mail Centre . FP Publications and The Globe and Mail were sold in 1980 to The Thomson Corporation , a company run by the family of Kenneth Thomson . After
6164-492: The 1970s and 1980s: A commercially unsuccessful noise reduction system used with FM radio in some countries during the late 1970s, Dolby FM was similar to Dolby B but used a modified 25 μs pre-emphasis time constant and a frequency selective companding arrangement to reduce noise. The pre-emphasis change compensates for the excess treble response that otherwise would make listening difficult for those without Dolby decoders. A similar system named High Com FM
6298-518: The 6.5 acres (2.6 ha) site at Front Street West into a retail, office and residential complex. In 2016, the newspaper moved to 351 King Street East, adjacent to the former Toronto Sun Building . It now occupies five of the new tower's 17 stories, and is named the " Globe and Mail Centre " under a 15-year lease. In 2015, the Woodbridge Company acquired the remaining 15 per cent of the newspaper from BCE. Former Minister Michael Chan filed
6432-561: The AM band in some areas across Canada. For much of its history, its programming focused on arts and culture, and primarily consisted of programs devoted to opera, classical music , jazz and theatre. Some programming devoted to Canadian pop and indie rock music was also aired, via the Saturday night CBC Radio 3 simulcast and predecessors such as RadioSonic , Night Lines , and the late-night programme Brave New Waves . In 2006, speculation arose that Radio Two programming would undergo
6566-458: The CRTC ordered the CBC to stop broadcasting ads on the network in 2016, international users have regained access to all five domestic streams. Only stations which are licensed as "originating stations" within the network are listed here. Some stations also have rebroadcasters in smaller outlying markets; these are listed in each station's separate article. On February 13, 2012, the CBC launched CBC Music as an internet radio platform, featuring
6700-513: The Century Initiative called "People and Prosperity: Planning for Canadian Growth". The editorial board of the newspaper is chaired by the editor-in-chief, who nominates new members as needed. The editorial board controls the overall direction of the newspaper and is given prime billing on the editorial pages. It is the editorial board who endorses political candidates in the run-up to elections. The editorial board's membership list has become
6834-522: The Chief Magistrate will neither advise nor submit to arbitrary measures." The quotation is carried on the editorial page to this day. By the 1850s, The Globe had become an independent and well-regarded daily newspaper. It began distribution by railway to other cities in Ontario shortly after Confederation . At the dawn of the twentieth century, The Globe added photography, a women's section , and
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#17328559612016968-638: The FCC announced the reassignment of the FM band to 90 channels from 88–106 MHz (which was soon expanded to 100 channels from 88–108 MHz). This shift, which the AM-broadcaster RCA had pushed for, made all the Armstrong-era FM receivers useless and delayed the expansion of FM. In 1961 WEFM (in the Chicago area) and WGFM (in Schenectady, New York ) were reported as the first stereo stations. By
7102-699: The FCC rules do not allow this mode of stereo operation. In 1969, Louis Dorren invented the Quadraplex system of single station, discrete, compatible four-channel FM broadcasting. There are two additional subcarriers in the Quadraplex system, supplementing the single one used in standard stereo FM. The baseband layout is as follows: The normal stereo signal can be considered as switching between left and right channels at 38 kHz, appropriately band-limited. The quadraphonic signal can be considered as cycling through LF, LR, RF, RR, at 76 kHz. Early efforts to transmit discrete four-channel quadraphonic music required
7236-567: The FCC. The original Dorren Quadraplex System outperformed all the others and was chosen as the national standard for Quadraphonic FM broadcasting in the United States. The first commercial FM station to broadcast quadraphonic program content was WIQB (now called WWWW-FM ) in Ann Arbor / Saline, Michigan under the guidance of Chief Engineer Brian Jeffrey Brown. Various attempts to add analog noise reduction to FM broadcasting were carried out in
7370-451: The FM carrier . Modulation control (limiter) devices are used to prevent this. Systems more modern than FM broadcasting tend to use either programme-dependent variable pre-emphasis; e.g., dbx in the BTSC TV sound system, or none at all. Pre-emphasis and de-emphasis was used in the earliest days of FM broadcasting. According to a BBC report from 1946, 100 μs was originally considered in
7504-511: The FM band.) The medium wave band (known as the AM band because most stations using it employ amplitude modulation) was overcrowded in western Europe, leading to interference problems and, as a result, many MW frequencies are suitable only for speech broadcasting. Belgium , the Netherlands , Denmark and particularly Germany were among the first countries to adopt FM on a widespread scale. Among
7638-969: The FM radio band from 87.5-108.0 MHz to 76.1-108.0 MHz to enable the migration of AM radio stations in Brazilian capitals and large cities. FM broadcasting began in the late 1930s, when it was initiated by a handful of early pioneer experimental stations, including W1XOJ/W43B/WGTR (shut down in 1953) and W1XTG/ WSRS , both transmitting from Paxton, Massachusetts (now listed as Worcester, Massachusetts ); W1XSL/W1XPW/W65H/WDRC-FM/WFMQ/WHCN , Meriden, Connecticut; and W2XMN , KE2XCC , and WFMN , Alpine, New Jersey (owned by Edwin Armstrong himself, closed down upon Armstrong's death in 1954). Also of note were General Electric stations W2XDA Schenectady and W2XOY New Scotland, New York—two experimental FM transmitters on 48.5 MHz—which signed on in 1939. The two began regular programming, as W2XOY, on November 20, 1940. Over
7772-460: The L+R signal so the listener will hear both channels through the single loudspeaker. A stereo receiver will add the difference signal to the sum signal to recover the left channel, and subtract the difference signal from the sum to recover the right channel. The (L+R) signal is limited to 30 Hz to 15 kHz to protect a 19 kHz pilot signal. The (L−R) signal, which is also limited to 15 kHz,
7906-541: The Old Toronto Telegram Building at Bay and Melinda. The building at 130 King Street West was demolished in 1974 to make way for First Canadian Place . McCullagh committed suicide in 1952, and the newspaper was sold to the Webster family of Montreal. As the paper lost ground to The Toronto Star in the local Toronto market, it began to expand its national circulation. The newspaper was unionized in 1955, under
8040-674: The US, but 75 μs subsequently adopted. Long before FM stereo transmission was considered, FM multiplexing of other types of audio-level information was experimented with. Edwin Armstrong, who invented FM, was the first to experiment with multiplexing, at his experimental 41 MHz station W2XDG located on the 85th floor of the Empire State Building in New York City . These FM multiplex transmissions started in November 1934 and consisted of
8174-657: The West , Sharon Jones & The Dap-Kings , Joni Mitchell , Matthew Barber , Eleni Mandell , Skydiggers , Billy Bragg , Jeremy Fisher , Jim Bryson , The Be Good Tanyas , The Duhks , Sarah Slean , Stephen Fearing , Melissa McClelland , Cowboy Junkies , Howie Beck and the Band . On May 2, 2008, the president of the CBC and the director of programming attended a meeting of the Parliamentary Standing Committee for Canadian Heritage. There appeared to be opposition to
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#17328559612018308-637: The acquisition, there were few changes made in editorial or news policy. However, there was more attention paid to national and international news on the editorial, op-ed, and front pages in contrast to its previous policy of stressing Toronto and Ontario material. The Globe and Mail has always been a morning newspaper. Since the 1980s, it has been printed in separate editions in six Canadian cities: Montreal , Toronto (several editions), Winnipeg ( Estevan, Saskatchewan ), Calgary and Vancouver . Southern Ontario Newspaper Guild (SONG) employees took their first-ever strike vote at The Globe in 1982, also marking
8442-454: The assigned frequency. There are other unusual and obsolete FM broadcasting standards in some countries, with non-standard spacings of 1, 10, 30, 74, 500, and 300 kHz. To minimise inter-channel interference, stations operating from the same or nearby transmitter sites tend to keep to at least a 500 kHz frequency separation even when closer frequency spacing is technically permitted. The ITU publishes Protection Ratio graphs, which give
8576-511: The background noise for listeners, often at the expense of overall perceived sound quality. In such instances, however, this technique is often surprisingly effective in increasing the station's useful range. The first radio station to broadcast in FM in Brazil was Rádio Imprensa, which began broadcasting in Rio de Janeiro in 1955, on the 102.1 MHz frequency, founded by businesswoman Anna Khoury. Due to
8710-520: The banner of the American Newspaper Guild . In 1965, the paper was bought by Winnipeg-based FP Publications , controlled by Bryan Maheswary, which owned a chain of local Canadian newspapers. FP put a strong emphasis on the Report on Business section that was launched in 1962, thereby building the paper's reputation as the voice of Toronto's business community. The newspaper moved locations from
8844-460: The cancellations of their concert tours. The network is not as widely available across Canada as Radio One. While Radio One is available in most communities across Canada regardless of size, CBC Music for the most part is available only in larger cities. Only 14 transmitters across Canada are licensed as originating stations within the network, compared to over 30 for Radio One, although some additional cities are also served by rebroadcasters of one of
8978-402: The carrier, with its frequency remaining constant. With FM, frequency deviation from the assigned carrier frequency at any instant is directly proportional to the amplitude of the (audio) input signal, determining the instantaneous frequency of the transmitted signal. Because transmitted FM signals use significantly more bandwidth than AM signals, this form of modulation is commonly used with
9112-637: The changes. While critics, particularly Globe and Mail columnist Russell Smith , raised the spectre of the network airing mainstream pop artists such as Nelly Furtado and The Black Eyed Peas , the network's popular music component consists almost exclusively of artists who would be classified as adult album alternative , folk , world music or singer-songwriter pop – and very few of whom receive any airplay whatsoever on commercial radio. For instance, on one representative day in 2009, Radio 2 Morning ' s "pop" playlist included Feist , John Mayer , Blue Rodeo , Sloan , Neil Young , Whiskeytown , Spirit of
9246-474: The community group rather than the network, and do not originate any programming at all. On satellite, the network's programming can also be heard on Bell Satellite TV and Shaw Direct . Unlike Radio One and Radio 3, CBC Music is not carried by SiriusXM Satellite Radio ; the CRTC requires that a "Canadian" channel (for the purposes of Sirius Canada , which carried CBC programming prior to its merger with XM Radio Canada ) must carry 85% Canadian musical content,
9380-428: The companies' relationship with CTVglobemedia . The Top 1000 is a list of Canada's one thousand largest public companies ranked by profit released annually by the Report on Business Magazine . In the 1990s, the Globe and Mail was the main media vehicle for Canada's right wing. In 2011, Canadian sociologist Elke Winter said that the Globe and Mail was considered politically moderately-conservative-to-centrist and
9514-524: The complaint in August 2012. In December 2013, the site also launched the first issue of CBC Music Magazine , an e-magazine distributed in both iOS and Android formats. The magazine is no longer published. With the rebranding of Radio 2 in 2018, the website is considered to be part of the radio network's operations rather than a distinct division of the CBC, although the individual genre streams and Radio 3 are still provided. The CBC Music streaming platform
9648-465: The corporation formally launched live audio streaming of both CBC Radio and CBC Stereo. Since the 1980s, many of the AM CBC Radio stations moved to FM due to the limitations of AM broadcasting; as such, in 1997 the CBC renamed the networks CBC Radio One and CBC Radio Two. As of 2018, there are a number of CBC Radio One low-power transmitters with only a few high-powered ones left still operating on
9782-431: The country is one of the main advantages over DAB/+ radio . This is still less than the range of AM radio waves, which because of their lower frequencies can travel as ground waves or reflect off the ionosphere , so AM radio stations can be received at hundreds (sometimes thousands) of miles. This is a property of the carrier wave's typical frequency (and power), not its mode of modulation. The range of FM transmission
9916-463: The day. This ended in March 2007, when Radio 2 began to carry a separate news service, with news updates of 90 seconds in length a handful of times each day. The length was soon changed to 4 ½ minutes, the usual length of the CBC's non-major newscasts, with the frequency increased slightly. However, newscasts on Radio 2 remain distinct from those on Radio One. During the 2005 Canadian Media Guild lockout ,
10050-500: The evenings, while Nightstream , a hostless stream of continuous music, airs overnights. At various times during the day, Grant Lawrence is also heard voicing short segments presenting music news, such as a short profile of a musician who has just released a new album. On Saturday and Sunday, Mornings airs with host Saroja Coelho ; however, for the remainder of the day the network airs a variety of specialty programs, mainly devoted to particular genres of music, rather than replicating
10184-467: The existing CBC Radio services and 47 dedicated channels devoted to particular genres of music. The service is distributed via the CBC Music website, and accompanying mobile apps , initially launched for Android , iOS , and BlackBerry OS . Some of the genre webstreams were already provided by Radio 2 or Radio 3, while others were new offerings at the 2012 launch; over time, however, the names and formats of
10318-553: The extension of the FM band to 108.0 MHz between 1980 and 1995, FM expanded rapidly throughout the British Isles and effectively took over from LW and MW as the delivery platform of choice for fixed and portable domestic and vehicle-based receivers. In addition, Ofcom (previously the Radio Authority) in the UK issues on demand Restricted Service Licences on FM and also on AM (MW) for short-term local-coverage broadcasting which
10452-549: The genre streams have evolved significantly, with some of the original streams having been discontinued in favour of new ones, reformatted to alter their genre focus, or renamed to align their branding with the network's programming. The service was launched shortly after the CBC reached a music licensing deal with the Audio-Video Licensing Agency in January 2012. The site was one of the first large-scale ventures into online broadcasting to be available in Canada since
10586-536: The greater concerns of the nation. Critics sometimes refer to the paper as the "Toronto Globe and Mail" or "Toronto's National Newspaper." In an effort to gain market share in Vancouver, The Globe and Mail began publishing a distinct west-coast edition, edited independently in Vancouver, containing a three-page section of British Columbia news. During the 2010 Winter Olympics in Vancouver , The Globe and Mail published
10720-505: The high import costs of FM radio receivers, transmissions were carried out in circuit closed to businesses and stores, which played ambient music offered by radio. Until 1976, Rádio Imprensa was the only station operating in FM in Brazil. From the second half of the 1970s onwards, FM radio stations began to become popular in Brazil, causing AM radio to gradually lose popularity. In 2021, the Brazilian Ministry of Communications expanded
10854-467: The higher ( VHF or UHF ) frequencies used by TV , the FM broadcast band , and land mobile radio systems . The maximum frequency deviation of the carrier is usually specified and regulated by the licensing authorities in each country. For a stereo broadcast, the maximum permitted carrier deviation is invariably ±75 kHz, although a little higher is permitted in the United States when SCA systems are used. For
10988-496: The import of vehicles, principally from the United States, with radios that can only tune to these frequencies. In some parts of Europe , Greenland , and Africa , only even multiples are used. In the United Kingdom , both odd and even are used. In Italy , multiples of 50 kHz are used. In most countries the maximum permitted frequency error of the unmodulated carrier is specified, which typically should be within 2 kHz of
11122-517: The late 1960s, FM had been adopted for broadcast of stereo "A.O.R.—' Album Oriented Rock ' Format", but it was not until 1978 that listenership to FM stations exceeded that of AM stations in North America. In most of the 70s FM was seen as highbrow radio associated with educational programming and classical music, which changed during the 1980s and 1990s when Top 40 music stations and later even country music stations largely abandoned AM for FM. Today AM
11256-513: The later stages. In May 2013, the service sponsored the first CBC Music Festival, which was staged every spring at Ontario Place 's Echo Beach. Each year's event featured a lineup of acts from several different genres, including the winner of that year's Searchlight competition, and sometimes included a live taping of a performance by a CBC Radio comedy show. 43°38′40″N 79°23′17″W / 43.64455°N 79.38804°W / 43.64455; -79.38804 FM radio Throughout
11390-428: The launch of Iceberg Radio in 1997; at the time of CBC Music's launch, popular international ventures such as Pandora or Spotify remained unavailable to Canadian consumers. A similar site, IciMusique.ca (formerly espace.mu , in reference to former radio branding Espace Musique), is also offered by CBC Music's French-language counterpart Ici Musique . Shortly after the service's launch, Stingray Digital filed
11524-408: The launch of CBC Music, CBC Radio 3 broadcast an annual "Searchlight" contest, soliciting listener votes in a process to determine the "best" of various aspects of the Canadian music industry. The topic of Searchlight was different each year, with contests focusing on such themes as Canada's best live music club, best music festival and best music website. Following the launch of CBC Music, Searchlight
11658-428: The list has been narrowed to ten artists, three established musicians step in as judges, who each pick their own favourite act. Those three artists and an audience selection as determined by online voting advance to the final round as the four finalists, following which the judges debate and discuss the choices before voting on the ultimate winner. In 2018, the process was revised, with the judges selecting five artists and
11792-516: The main channel audio program and three subcarriers : a fax program, a synchronizing signal for the fax program and a telegraph order channel. These original FM multiplex subcarriers were amplitude modulated. Two musical programs, consisting of both the Red and Blue Network program feeds of the NBC Radio Network, were simultaneously transmitted using the same system of subcarrier modulation as part of
11926-564: The main channel signal-to-noise ratio. The GE and Zenith systems, so similar that they were considered theoretically identical, were formally approved by the FCC in April 1961 as the standard stereo FM broadcasting method in the United States and later adopted by most other countries. It is important that stereo broadcasts be compatible with mono receivers. For this reason, the left (L) and right (R) channels are algebraically encoded into sum (L+R) and difference (L−R) signals. A mono receiver will use just
12060-405: The minimum spacing between frequencies based on their relative strengths. Only broadcast stations with large enough geographic separations between their coverage areas can operate on the same or close frequencies. Frequency modulation or FM is a form of modulation which conveys information by varying the frequency of a carrier wave ; the older amplitude modulation or AM varies the amplitude of
12194-562: The morning drive slot, and is followed at 9 a.m. by the classical music show Tempo , hosted by Julie Nesrallah . About Time , hosted by Tom Allen , airs in the early afternoons, followed by Drive , hosted by Rich Terfry . The 6-7 p.m. block includes CBC Music Live , a program that presents recordings of live concerts by Canadian musicians, on Mondays; Frequencies , a world music program hosted by Errol Nazareth, on Tuesdays; Reclaimed , hosted by Jarrett Martineau and devoted to indigenous music , on Wednesdays; CBC Music Top 20 ,
12328-476: The movement away from classical music on Radio 2 from MPs of all three main parties represented on the committee. Committee members Bill Siksay and Ed Fast were particularly opposed to the programming changes. The committee voted unanimously to hold further hearings specifically on the CBC Radio 2 changes in September 2008. Despite the controversy, the format change was successful for the network, which maintained
12462-548: The newspaper endorsed the Progressive Conservatives, and it endorsed the Liberals in 2000 and 2004. The newspaper endorsed Stephen Harper 's Conservative Party in the 2006, 2008, and 2011 elections; in the 2015 election , the paper again endorsed the Conservatives but called for the party's leader, Prime Minister Stephen Harper , to step down. In the 2019 federal election it did not make an endorsement. While
12596-486: The newspaper, access to its archives, and membership to a premium investment site. On April 23, 2007, the paper introduced significant changes to its print design and also introduced a new unified navigation system to its websites. The paper added a "lifestyle" section to the Monday-Friday editions, entitled "Globe Life", which has been described as an attempt to attract readers from the rival Toronto Star . Additionally,
12730-536: The next few years this station operated under the call signs W57A, W87A and WGFM, and moved to 99.5 MHz when the FM band was relocated to the 88–108 MHz portion of the radio spectrum. General Electric sold the station in the 1980s. Today this station is WRVE . Other pioneers included W2XQR/W59NY/WQXQ/WQXR-FM , New York; W47NV/WSM-FM Nashville, Tennessee (signed off in 1951); W1XER/W39B/WMNE , with studios in Boston and later Portland, Maine, but whose transmitter
12864-451: The normal schedule was temporarily replaced by continuous music from Galaxie (then owned by the CBC), except for short news updates at the top of each hour from 6 a.m. to 7 p.m. local time. After the 2012 federal budget, the CBC applied to the CRTC for permission to introduce commercial advertisements on CBC Radio 2 and sister network Espace Musique. In October 2013, the network began broadcasting
12998-433: The originating station. The Crosby system was rejected by the FCC because it was incompatible with existing subsidiary communications authorization (SCA) services which used various subcarrier frequencies including 41 and 67 kHz. Many revenue-starved FM stations used SCAs for "storecasting" and other non-broadcast purposes. The Halstead system was rejected due to lack of high frequency stereo separation and reduction in
13132-429: The originating stations. The service is provided in some form to virtually all of Canada's major cities and all provincial capitals. CBC Music also has a more consistent national schedule than Radio One; currently the originating stations produce only limited regional programming, such as weather updates. In the past these stations would also air local news summaries or a daily calendar of local arts and culture events; this
13266-887: The paper followed other North American papers by dropping detailed stock listings in print and by shrinking the printed paper to 12-inch width. At the end of 2010, the Thomson family, through its holding company Woodbridge , re-acquired direct control of The Globe and Mail with an 85-percent stake, through a complicated transaction involving most of the Ontario-based mediasphere. BCE continued to hold 15 percent, and would eventually own all of television broadcaster CTVglobemedia . On October 1, 2010, The Globe and Mail unveiled redesigns to both its paper and online formats, dubbed "the most significant redesign in The Globe ' s history" by Editor-in-Chief John Stackhouse . The paper version has
13400-485: The paper is sold throughout Canada and has long called itself "Canada's National Newspaper", The Globe and Mail also serves as a Toronto metropolitan paper, publishing several special sections in its Toronto edition that are not included in the national edition. As a result, it is sometimes ridiculed for being too focused on the Greater Toronto Area , part of a wider humorous portrayal of Torontonians being blind to
13534-653: The paper strongly endorsed the free trade policies of Progressive Conservative Prime Minister Brian Mulroney . The paper also became an outspoken proponent of the Meech Lake Accord and the Charlottetown Accord , with their editorial the day of the 1995 Quebec Referendum mostly quoting a Mulroney speech in favour of the Accord. During this period, the paper continued to favour such socially liberal policies as decriminalizing drugs (including cocaine, whose legalization
13668-534: The paper was known as a generally conservative voice of the business establishment in the postwar decades , historian David Hayes , in a review of its positions, has noted the Globe ' s editorials in this period "took a benign view of hippies and homosexuals ; championed most aspects of the welfare state ; opposed, after some deliberation, the Vietnam War ; and supported legalizing marijuana ." A December 12, 1967, Globe and Mail editorial stated, "Obviously,
13802-474: The project. The initiative's stated goal is to increase Canada's population to 100 million by 2100. Canada will need to increase its annual immigration intake to make this a reality. The initiative was founded in 2009 as the Laurier Project and is backed by Dominic Barton , the former head of the consultancy firm McKinsey & Company . In 2021, the Globe and Mail launched a webcast in partnership with
13936-551: The reasons for this were: Public service broadcasters in Ireland and Australia were far slower at adopting FM radio than those in either North America or continental Europe . Hans Idzerda operated a broadcasting station, PCGG , at The Hague from 1919 to 1924, which employed narrow-band FM transmissions. In the United Kingdom the BBC conducted tests during the 1940s, then began FM broadcasting in 1955, with three national networks:
14070-451: The receiver also reduces the high-frequency noise. These processes of boosting and then reducing certain frequencies are known as pre-emphasis and de-emphasis , respectively. The amount of pre-emphasis and de-emphasis used is defined by the time constant of a simple RC filter circuit. In most of the world a 50 μs time constant is used. In the Americas and South Korea , 75 μs
14204-515: The receiver to identify a stereo transmission and to regenerate the 38 kHz sub-carrier with the correct phase. The composite stereo multiplex signal contains the Main Channel (L+R), the pilot tone, and the (L−R) difference signal. This composite signal, along with any other sub-carriers, modulates the FM transmitter. The terms composite , multiplex and even MPX are used interchangeably to describe this signal. The instantaneous deviation of
14338-570: The required area is covered without causing interference to other stations further away. Practical transmitter powers range from a few milliwatts to 80 kW. As transmitter powers increase above a few kilowatts, the operating costs become high and only viable for large stations. The efficiency of larger transmitters is now better than 70% (AC power in to RF power out) for FM-only transmission. This compares to 50% before high efficiency switch-mode power supplies and LDMOS amplifiers were used. Efficiency drops dramatically if any digital HD Radio service
14472-400: The resulting signal is that it alternates between left and right at 38 kHz, with the phase determined by the 19 kHz pilot signal. Most stereo encoders use this switching technique to generate the 38 kHz subcarrier, but practical encoder designs need to incorporate circuitry to deal with the switching harmonics. Converting the multiplex signal back into left and right audio signals
14606-461: The run-up for the 2016 U.S. presidential election . In a 2017 survey conducted among Canadians, it was found that 50% of respondents viewed the Globe and Mail to be biased; placing it in a tie for first place with CBC Television in terms of perceived bias. Respondents who viewed the Globe and Mail as biased had mixed opinions as to whether its coverage was favourable to the Liberal Party or
14740-415: The separation as the signal-to-noise ratio worsens, eventually going to mono while still indicating a stereo signal is received. As with monaural transmission, it is normal practice to apply pre-emphasis to the left and right channels before encoding and to apply de-emphasis at the receiver after decoding. In the U.S. around 2010, using single-sideband modulation for the stereo subcarrier was proposed. It
14874-433: The slogan "Canada's National Newspaper", which remains on its front-page banner. It began opening bureaus and offering subscriptions across Canada. The Mail and Empire was another newspaper that served as The Globe and Mail' ' s predecessor, having been formed through a merger of two conservative newspapers, The Toronto Mail and The Empire in 1895. The Toronto Mail was established in 1872, while The Empire
15008-529: The spread from regular Globe content. In 2013, The Globe and Mail ended distribution of the print edition to Newfoundland. In 2014, then-publisher Phillip Crawley announced the recruitment of a former staffer returned from afar, David Walmsley , as Editor-in-Chief, to be enacted 24 March. The headquarters site at 444 Front Street West was sold in 2012 to three real estate firms (RioCan Real Estate Investment Trust, Allied Properties Real Estate Investment Trust, and Diamond Corporation) that planned to redevelop
15142-463: The state's responsibility should be to legislate rules for a well-ordered society. It has no right or duty to creep into the bedrooms of the nation." On December 21, 1967, then Justice Minister Pierre Trudeau , in defending the government's Omnibus bill and the decriminalization of homosexuality , coined the phrase, "There's no place for the state in the bedrooms of the nation." The Globe and Mail endorsed Democratic candidate Hillary Clinton in
15276-400: The television series CBC Music Backstage Pass , featuring live performances by musicians, for CBC Television. The network's weekday programming does not vary significantly from day to day; except in the 6–7 p.m. hour, when a different one-hour weekly program normally airs each day, the schedule is otherwise consistent from Mondays to Fridays. Mornings , hosted by Damhnait Doyle , airs in
15410-516: The top 25 U.S. radio markets to transmit in Quadraplex. The test results hopefully would prove to the FCC that the system was compatible with existing two-channel stereo transmission and reception and that it did not interfere with adjacent stations. There were several variations on this system submitted by GE, Zenith, RCA, and Denon for testing and consideration during the National Quadraphonic Radio Committee field trials for
15544-423: The transmitter carrier frequency due to the stereo audio and pilot tone (at 10% modulation) is where A and B are the pre-emphasized left and right audio signals and f p {\displaystyle f_{p}} =19 kHz is the frequency of the pilot tone. Slight variations in the peak deviation may occur in the presence of other subcarriers or because of local regulations. Another way to look at
15678-527: The use of two FM stations; one transmitting the front audio channels, the other the rear channels. A breakthrough came in 1970 when KIOI ( K-101 ) in San Francisco successfully transmitted true quadraphonic sound from a single FM station using the Quadraplex system under Special Temporary Authority from the FCC . Following this experiment, a long-term test period was proposed that would permit one FM station in each of
15812-623: The weekday schedule. Saturday programming includes My Playlist , Centre Stage , Saturday Afternoon at the Opera , Backstage with Ben Heppner , Saturday Night Blues with Holger Petersen and Saturday Night Jazz with Laila Biali . Sunday programming includes Choral Concert , In Concert with Paolo Pietropaolo , Inside the Music , C'est formidable! with Florence K , and Afterdark Sunday with Tariq Hussain . On both Saturdays and Sundays, Nightstream again airs after midnight. Prior to
15946-460: The whale" because The Globe ' s circulation (at 78,000) was smaller than The Mail and Empire ' s (118,000). From 1937 until 1974, the newspaper was produced at the William H. Wright Building , located at then 140 King Street West on the northeast corner of King Street and York Street, close to the homes of the Toronto Daily Star at Old Toronto Star Building at 80 King West and
16080-615: The world, the FM broadcast band falls within the VHF part of the radio spectrum . Usually 87.5 to 108.0 MHz is used, or some portion of it, with few exceptions: The frequency of an FM broadcast station (more strictly its assigned nominal center frequency) is usually a multiple of 100 kHz. In most of South Korea , the Americas , the Philippines , and the Caribbean , only odd multiples are used. Some other countries follow this plan because of
16214-755: Was 27.5 kHz. The IF bandwidth was ±5 kHz, as the only goal at the time was to relay AM radio-quality audio. This transmission system used 75 μs audio pre-emphasis like the main monaural audio and subsequently the multiplexed stereo audio. In the late 1950s, several systems to add stereo to FM radio were considered by the FCC . Included were systems from 14 proponents including Crosby, Halstead, Electrical and Musical Industries, Ltd ( EMI ), Zenith, and General Electric. The individual systems were evaluated for their strengths and weaknesses during field tests in Uniontown, Pennsylvania , using KDKA-FM in Pittsburgh as
16348-454: Was a vocal, negative response to these changes from a variety of sources connected with the community ranging from Facebook to blogs to newspaper columnists. National protests were also held at CBC facilities across the country. However, the move drew support from other corners of the cultural community, noting in many cases the low ratings of the existing service. Among the supporters were several critically acclaimed artists who would benefit from
16482-414: Was advocated most recently in a 1995 editorial) and expanding gay rights. In 1995, the paper launched its website, globeandmail.com; on June 9, 2000, the site began covering breaking news with its own content and journalists in addition to the content of the print newspaper. Since the launch of the National Post as another English-language national paper in 1998, some industry analysts had proclaimed
16616-616: Was atop the highest mountain in the northeast United States, Mount Washington , New Hampshire (shut down in 1948); and W9XAO/W55M/WTMJ-FM Milwaukee, Wisconsin (went off air in 1950). A commercial FM broadcasting band was formally established in the United States as of January 1, 1941, with the first fifteen construction permits announced on October 31, 1940. These stations primarily simulcast their AM sister stations, in addition to broadcasting lush orchestral music for stores and offices, classical music to an upmarket listenership in urban areas, and educational programming. On June 27, 1945
16750-516: Was dropped in 2007. CBH-FM in Halifax produces an additional regional music program for the Atlantic Canada region, due to a scheduling hole caused by the time zone difference. In some smaller communities, especially in rural northern British Columbia , community groups have been licensed to rebroadcast a CBC Music station on a local low-power radio transmitter. These transmitters are owned by
16884-400: Was founded in 1887 by Brown's former rival, Conservative politician and then-Prime Minister John A. Macdonald . On 23 November 1936, The Globe merged with The Mail and Empire , The merger was arranged by George McCullagh , who fronted for mining magnate William Henry Wright and became the first publisher of The Globe and Mail . Press reports at the time stated, "the minnow swallowed
17018-399: Was reacquired by the Thomson family through its holding company, The Woodbridge Company . The Woodbridge Company acquired BCE's remaining stake in the newspaper in 2015. The predecessor to The Globe and Mail was called The Globe ; it was founded in 1844 by Scottish immigrant George Brown , who became a Father of Confederation . Brown's liberal politics led him to court the support of
17152-466: Was reduced dramatically. The 2007 revamp also resulted in a subtle name change from Radio Two to Radio 2. In March 2008, the CBC announced plans to complete the transformation of Radio 2, significantly altering its daytime programming lineup. These plans resulted in the "New Radio 2", starting September 2, 2008. In essence, the morning and afternoon drive programs, which had focused almost exclusively on classical music, were replaced with new shows featuring
17286-424: Was relaunched as a platform-wide contest to determine Canada's best unsigned musical artist. Incorporating participation from both CBC Music and CBC Radio One , the process begins with a series of local competitions produced by Radio One's local afternoon shows . Listener feedback and online voting determines the artists who advance to the next round, until the national stage of the competition begins on Q . When
17420-497: Was replaced by CBC Listen in 2019. Although most programming on CBC Music is exclusive to the network, some specialty programs, including The Vinyl Cafe (until 2015), Vinyl Tap , C'est formidable! , Backstage with Ben Heppner and Canada Live , have also aired on Radio One in different time slots. Until 2007, Radio 2 simulcast the majority of Radio One's newscasts, including The World at Six and World Report , resulting in several lengthy breaks from music throughout
17554-565: Was seen as another service which licensees could use to create additional income. Use of SCAs was particularly popular in the US, but much less so elsewhere. Uses for such subcarriers include radio reading services for the blind , which became common and remain so, private data transmission services (for example sending stock market information to stockbrokers or stolen credit card number denial lists to stores, ) subscription commercial-free background music services for shops, paging ("beeper") services, alternative-language programming, and providing
17688-639: Was tested in Germany between July 1979 and December 1981 by IRT . It was based on the Telefunken High ;Com broadband compander system, but was never introduced commercially in FM broadcasting. Yet another system was the CX -based noise reduction system FMX implemented in some radio broadcasting stations in the United States in the 1980s. FM broadcasting has included subsidiary communications authorization (SCA) services capability since its inception, as it
17822-666: Was the second-largest radio network in Canada. The CBC's FM network was launched in 1946, but was strictly a simulcast of the AM radio network until 1960. In that year, distinct programming on the FM network began. It was briefly discontinued in 1962, but resumed again in 1964. In November 1971, the CBC filed license applications for new FM stations in English in St. John's, Halifax, and Calgary; and in French in Quebec City, Ottawa, and Chicoutimi, telling
17956-424: Was theorized to be more spectrum-efficient and to produce a 4 dB s/n improvement at the receiver, and it was claimed that multipath distortion would be reduced as well. A handful of radio stations around the country broadcast stereo in this way, under FCC experimental authority. It may not be compatible with very old receivers, but it is claimed that no difference can be heard with most newer receivers. At present,
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