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 .
93-405: WPSC-FM (88.7 FM ) – branded Brave New Radio – is William Paterson University 's non-commercial radio station, broadcasting an alternative hip hop format . Licensed to Wayne, New Jersey , the station serves the north Jersey and western New York City area. In 2012, 2013, 2017 and, most recently, March 2018, the station was named Best College Radio Station (with over 10K students enrolled) by
186-525: A "Brave-a-thon", a day of fundraising for the station featuring 15 live, local artists. 2013 was the fifth year of the Brave-a-thon. In 2009, WPSC had its first simulcast with WXAV , a college radio station in Chicago. The event, dubbed Unsung Underground Uprising, featured performances and interviews with We Are Scientists , Band of Skulls , and Very Emergency. In 2011, WPSC was the national headquarters for
279-399: A 500 kHz frequency separation even when closer frequency spacing is technically permitted. The ITU publishes Protection Ratio graphs, which give 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
372-453: A day 5 days a week to 18 and a half hours 7 days a week. Beginning in 1977, WPSC began broadcasting on UA Columbia Cablevision 's Channel 3 bringing the station into tens of thousands of living rooms in Passaic , Morris , and Bergen Counties. Programming was mostly AOR/Progressive Rock but also included some Top 40, Oldies, and Soul/R&B/Disco shows. All programming reflected the choices of
465-510: A different perspective. In July 2018, drummer Joe Seaward was seriously injured when he was hit by a lorry while cycling in Dublin . Seaward's accident and recovery resulted in the band cancelling their remaining tour dates for rest of the year. After touring for How to Be a Human Being , the band released two singles; "Tokyo Drifting", a duet with Denzel Curry , on 14 November 2019, and "Your Love (Déjà Vu)" on 19 February 2020. On 1 May 2020,
558-402: A fax program. The original subcarrier frequency used at KE2XCC 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
651-516: A girl who "spends her entire time watching TV, lounging around, not doing anything, being high, eating mayonnaise from a jar". The full album How to Be a Human Being was released on 26 August 2016 by Wolf Tone and Caroline International in Europe, and Harvest Records in the United States. It was inspired by stories of strangers that Bayley met on tour, with each song telling a different story from
744-510: A more modern look. The WP88.7 and FM were removed and the fonts were updated to match the contemporary design of the tower. The word new is bolded in the logo instead of brave to capture the station's focus on fresh, new, original music. WPSC is the national HQ for College Radio Day , the first of which was October 11, 2011. The aim of College Radio Day is raise awareness of the many college and high school radio stations in America, and to celebrate
837-511: A point of pride for the station that has been a staple in the North Jersey radio landscape for decades. The earliest form of WPSC began as a broadcasting system that fed a former student snack bar and common area was set up by enterprising students in the Fall of 1965. With the blessing and support of Dr. Anthony Maltese, this facility proved popular and was quickly upgraded. These humble beginnings set
930-557: 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
1023-454: A search bar where you could ask questions. Next, the account "hal9000000" began posting snippets of the new single on SoundCloud, including "Fake Blood" and "3am". Finally, on 21 March, Glass Animals uploaded a video titled "Incoming" with the same single from the "hal9000000" snippets. On 28 March 2024, the band announced their single "Creatures in Heaven". It was released on 3 April 2024, along with
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#17328527095271116-417: A stereo/mono switch to allow listening in mono when reception conditions are less than ideal, and most car radios are arranged to reduce 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
1209-408: 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 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
1302-525: 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
1395-401: 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 the use of two FM stations; one transmitting the front audio channels, the other
1488-422: 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
1581-506: Is claimed that no difference can be heard with most newer receivers. At present, 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
1674-503: 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 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
1767-581: 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 ,
1860-429: 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, 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
1953-480: 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
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#17328527095272046-671: 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
2139-487: 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
2232-579: 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. Glass Animals Glass Animals are an English indie rock band formed in Oxford in 2010. The band's line-up consists of Dave Bayley (vocals, guitar, keyboards, drums, songwriting), Drew MacFarlane (guitar, keyboards, backing vocals), Edmund Irwin-Singer (bass, keyboards, backing vocals), and Joe Seaward (drums). Their first album, Zaba (2014), spawned
2325-508: 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
2418-626: 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
2511-402: 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 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
2604-673: 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 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
2697-456: The 2022 Brit Awards , the band were nominated for two Brit Awards ( Best British Alternative/Rock Act and "Heat Waves" for Best British Single ). They received their first Grammy nomination in the Best New Artist category at the 2022 Grammy Awards . All four members of the band met at St Edward's School in Oxford . The band's lead singer and songwriter Dave Bayley, who moved to
2790-817: 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 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
2883-580: 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
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2976-551: The Midland Theatre in Kansas City . A collaboration with American rapper Joey Bada$ $ , titled "Lose Control", was released on 6 October 2015. On 16 May 2016, the band released the lead single, "Life Itself", from their second album How to Be a Human Being . "Life Itself" peaked at number 14 on Billboard ' s Alternative Songs chart and spent 26 weeks on Sirius XM's Alt-18 chart, peaking at number one. A music video for
3069-573: The Triple J Hottest 100 of 2020 in Australia, with "Tangerine" placing at 18th and "Your Love (Déjà Vu)" at 51st. The following month, "Heat Waves" reached number one on the ARIA Singles Chart . In April 2021, "Tokyo Drifting" was featured in a television commercial released by Peloton as part of their Champions Collection campaign. A bonus track and single, "I Don’t Wanna Talk (I Just Wanna Dance)",
3162-461: The WP88.7 moniker, the station launched its annual Braveathon, a 15-hour live broadcast supporting local musicians. Braveology was the station's flagship music show. Airing weekdays from 9 am to 7 pm, the format was labeled as WPSC's signature blend of music. In December 2016, WPSC began to shift programming away from hard rock to better align with trends among the student body. In January 2017, Indie Pop
3255-440: 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 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
3348-655: The 85th floor of the Empire State Building in New York City . These FM multiplex transmissions started in November 1934 and consisted of 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
3441-456: The DJs on the air during their shift and also included phoned in requests. During this time, WPSC was entirely student staffed and operated with all funding coming from WPC's Student Government Association and supplemented by a small revenue stream from commercial advertising. Faculty oversight and involvement was minimal to non-existent. The first format broadcast on WPSC's new FM frequency, Laser Hits!
3534-588: 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
3627-481: 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 the FCC. The original Dorren Quadraplex System outperformed all
3720-511: 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
3813-969: 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
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3906-399: The FM transmitter. The terms composite , multiplex and even MPX are used interchangeably to describe this signal. The instantaneous deviation of 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
3999-568: The Intercollegiate Broadcast System. Brave New Radio serves as the founding headquarters for World College Radio Day , an annual event created by the station's former general manager. In 2011, WPSC was one of the top 25 stations nominated for the mtvU Woodie Award for Best College Radio Station. The station is staffed almost entirely by students, with a paid faculty advisor serving as the general manager. All programming, music, promotions, and creative decisions are made by students,
4092-724: The Intercollegiate Broadcasting System. This marks their tenth nomination after four wins for the category in 2012, 2013, 2017 and 2018. Other nominations in 2022 include Best Morning Show, Best Campus News Coverage, Best Program Director, Best Website and more. Over the years, WP 88.7 FM has featured notable on-air guests, including the bands Weezer and Steel Train , artists Jon Anderson of Yes , Dana Fuchs , John Lloyd Young and Frank Stallone , comic Carol Leifer , entertainer Penn Jillette , Janet Hubert of The Fresh Prince of Bel-Air and WFAN's Keith McPherson on College Radio Day in 2023. Every year WPSC hosts
4185-579: The NBC Radio Network, were simultaneously transmitted using the same system of subcarrier modulation as part of 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
4278-495: The U.S. at a young age due to his father's job, grew up in Massachusetts and Texas before returning to England at the age of 13. He attended St Edward's on a music scholarship and was introduced to Drew MacFarlane, who would become the band's guitarist and backing vocalist; the two bonded over the fact that they were both Britons who had spent their childhoods in the U.S. MacFarlane then introduced Bayley to Edmund Irwin-Singer,
4371-589: The US Billboard 200 . The band is best known for their biggest hit single " Heat Waves ", which went viral on TikTok . It reached number one in Australia in February 2021 and was voted number one on the Triple J Hottest 100 of 2020 . The song surpassed two billion streams on Spotify by September 2022, and eventually reached number one on the U.S. Billboard Hot 100 and number five on the UK Singles Chart . At
4464-600: The US. The Glass Animals EP also saw the band collaborating with Jean Deaux, a soulful hip-hop teenager from Chicago, on a song titled "Woozy". In 2014, the band made their first tour of the U.S. and performed at the South by Southwest festival in Austin, Texas . They released three more singles: " Gooey ", "Pools", and "Hazey", along with a collaboration with Argentine singer-songwriter and producer Tei Shi . All five singles were included on
4557-404: The air, Brave New Radio expanded its digital reach through various social media platforms and an intensive visual rebranding process. In March 2018, the station was awarded for its unique use of Instagram and Spotify to capture audience. The visual rebranding maintained the tower logo that had been an important part of Brave New Radio since its inception in 2008 and simplified the iconography for
4650-485: The album title and release date. On 4 April, the "Tour of Earth 2024" was announced, with 42 shows across North America and Europe, with further shows being announced in Australia and New Zealand. In May, Glass Animals began teasing a second song from the album, "A Tear In Space (Airlock)". The intro was first teased at a popup show at Pappy & Harriet’s in Pioneertown CA on April 11, 2024, and played in full during
4743-504: The album. Dreamland was released on 7 August 2020 via Polydor Records. In an interview with Atwood Magazine , Bayley explained: "I guess the goal with this record was to make something that was incredibly honest and incredibly us." The album entered the UK Albums Chart at number two. " Heat Waves " was included on the FIFA 21 soundtrack. On 23 January 2021, "Heat Waves" placed first on
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#17328527095274836-447: The arrival of new general manager, Rob Quicke, came a large rebranding effort to bring the station back to the forefront of FM programming in North Jersey. In 2008, WPSC rebranded to WP88.7 Brave New Radio . The format remained very similar to the previous, mainly Indie Rock, Alternative Rock, and Punk with a deep focus in playing music from local and independent artists and creating programming that would never be heard anywhere else. Under
4929-511: 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
5022-449: The band released a single named "Dreamland", and announced an album of the same name to be released on 10 July 2020. The beginnings of Dreamland originated after drummer Joe Seaward's bike accident in Dublin. While spending long hours by Seaward's side in the hospital as he recovered, Bayley started "writing down memories and searching for more memories." Those memories eventually evolved into
5115-502: The band's bassist, and Joe Seaward, its drummer. They began playing together as a group in 2010. On 28 May 2012, the band released their debut EP Leaflings , which included the single "Cocoa Hooves". The EP was released on independent label Kaya Kaya Records, a subsidiary and imprint of XL Recordings (part of the Beggars Group of labels). In 2013, the band released Black Mambo / Exxus EP in Europe, and Glass Animals EP in
5208-641: The band's debut album, Zaba , which was released on 6 June 2014. The band performed the single "Gooey" on Late Night with Seth Meyers on 9 October 2014 and again on Late Show with David Letterman on 24 February 2015, and toured extensively after Zaba , visiting both hemispheres and playing over 130 shows in 2015 alone. Their October 2015 US tour included two sold-out shows at The Wiltern in LA and sold-out shows across America including T5 in NYC, The Riverside in Milwaukee, and
5301-431: 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
5394-553: 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
5487-482: The first ever "College Radio Day" celebrating college and high school radio in the United States with 365 stations participating. FM broadcasting Throughout 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)
5580-475: The formula below, is also generated. The pilot is transmitted at 8–10% of overall modulation level and used by 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
5673-482: 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 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
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#17328527095275766-505: 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
5859-487: The important medium of college radio. in 2015 a group of students and faculty attended the White House and were presented with a Letter of Support from President Barack Obama Brave New Radio broadcasts an alternative hip hop format Monday through Friday, 9 am to 7 pm. Specialty programming and non-format shows air after 7 pm during the week and all day Saturday and Sunday. A comprehensive schedule can be found on
5952-517: 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
6045-496: 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 was tested in Germany between July 1979 and December 1981 by IRT . It
6138-462: 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 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
6231-476: 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 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
6324-427: The maximum permitted frequency error of the unmodulated carrier is specified, which typically should be within 2 kHz of 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
6417-469: The musical styles which prevailed at the birth of FM broadcasting. Pre-emphasizing these high-frequency sounds would cause excessive deviation of 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
6510-536: 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
6603-557: The nostalgic and very personal Dreamland album full of references to Bayley's childhood and other points in his life. On 28 June, the band announced that the album had been delayed, to "keep focus on the Black Lives Matter movement and the discussions taking place around racism and police brutality around the world." In the lead-up to Dreamland , Glass Animals launched an open-source website where fans could access and download song samples, artwork, and other content related to
6696-565: 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 the 1970s and 1980s: A commercially unsuccessful noise reduction system used with FM radio in some countries during
6789-500: 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 the top 25 U.S. radio markets to transmit in Quadraplex. The test results hopefully would prove to
6882-551: 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:
6975-478: The receiver after decoding. In the U.S. around 2010, using single-sideband modulation for the stereo subcarrier was proposed. It 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
7068-570: 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
7161-555: The same, continuing a focus on Indie Pop and Indie Rock. In January 2018, Brave New Radio dropped Punk from the main format, dayparting Punk, Metal, and Classic Rock to late nights on Tuesdays and Wednesdays. With this shift, the station added Alternative hip hop to its main format with early adds like SZA , GoldLink , Khalid , and King Krule . In August 2021, Brave New Radio shifted to primarily focus on Alternative and underground Hip Hop, dayparting classic and alternative rock to only on weekends. Coinciding with shifts in formatting on
7254-516: The single " Gooey ", which was eventually certified platinum in the U.S. Their second full album, How to Be a Human Being , received positive reviews and won in two categories at the 2018 MPG Awards for UK Album of the Year and Self Producing Artist of the Year, as well as a spot on the Mercury Prize shortlist. The third, Dreamland , peaked at number two on the UK Albums Chart and number seven on
7347-432: The song was released on 7 June 2016. The band also created a website based on the character from "Life Itself". On 25 July, a second single from the album, "Youth", was released along with its music video. This song was also used as a soundtrack in the popular football video game by EA Sports , FIFA 17 . Four days before the release of the album, on 22 August, the band released a third single, "Season 2 Episode 3", about
7440-660: The stage for decades of radio broadcasting from William Paterson. During the 1970s WPSC-AM broadcast on campus, both over the air and piped into various buildings on campus while the quest for an FM frequency in the very crowded NY/NJ market began. For a time (1972–1974) WPSC also had an arrangement with WFMU to broadcast a weekly 2-hour pre-recorded program on WFMU. Between 1974 and 1978, programming expanded to include hourly newscasts, live sports events, campus and community affairs, celebrity interviews, radio plays, alternative comedy, live concerts and other events all created and produced in house. Programming hours increased from 12 hours
7533-474: The station's website. In 2015, WPSC-FM received their first nomination for the prestigious NAB Marconi Award for Non-commercial station of the year. After another nomination in 2017, WPSC-FM won the notable award in 2018. In 2021, WPSC-FM won their second Marconi Award for College Radio Station of the Year. In 2022, WPSC-FM became nominated for Best College Radio Station in the Nation (over 10,000 students enrolled) by
7626-526: The students, who were in favor of the current format, and the Communication Department, who wanted a more traditional college radio environment. An alternative and college rock format. Originally under the leadership of Ken Nagelburg, then Ron Stotyn. In the late 2000s, the format took on a Loud Rock and Punk lean, a significant change from the LaserHits! format the station flipped to in 1988. With
7719-460: The summer of 1993. The tightly programmed Hot Adult Contemporary format was to mimic a commercial station. Music rotation consisted of Top 30 hits from 1970-current with a heavy focus on local news, sports, and community affairs. Also known by the slogans "Your Constant Music Source," "North Jersey's Number One," and "The Spirit Of North Jersey." The format ended in June 1998 after a bitter battle between
7812-462: The switching harmonics. Converting the multiplex signal back into left and right audio signals 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
7905-462: The transmitted signal. Because transmitted FM signals use significantly more bandwidth than AM signals, this form of modulation is commonly used with 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,
7998-616: 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
8091-518: 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
8184-574: Was included on the FIFA 22 soundtrack. After a record-breaking 59-week climb on the US Billboard Hot 100 , "Heat Waves" topped the chart for the week ending 12 March 2022. In February 2024, posters began to appear in major cities that read "I love you so f***ing much". Around this same time, the Glass Animals website changed from the Dreamland computer to a dark screen with a dolphin next to
8277-581: Was introduced to rotation, with early adds like Glass Animals , Phantogram , The 1975 , and Coast Modern . Following the station's win for Best College Radio Station (over 10,000 students enrolled) in March 2017, the station dropped "WP88.7" and "FM" from its branding, leaving just Brave New Radio. This shift was the first step in moving WPSC into the 21st century of media by making the brand more dynamic and fluid across all platforms, digital and FM. Throughout much of 2017, programming and music selection remained
8370-498: Was predominantly a Top 40 format. The oldest music in rotation reached back only through the mid 1970s with specialty and non-format programming running during late nights and weekends only. This format ran under the direction of John Kiernan and Drew Jacobs. A programming shift in October 1992, brought the station to a more Alternative lean, running a loose Alternative rock format under the direction of general manager Drew Jacobs through
8463-505: Was rejected due to lack of high frequency stereo separation and reduction in 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,
8556-565: 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
8649-446: Was used in the earliest days of FM broadcasting. According to a BBC report from 1946, 100 μs was originally considered in 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
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