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65-764: From the first week in November 2020, the ABC rebranded all of its sports coverage as "ABC SPORT", renaming the ABC Grandstand on digital radio as well as its social media accounts to this name. Sports that covered by the station include Test, Twenty20 and One-Day International cricket (live), rugby league (mostly in Queensland and New South Wales ), the Summer Olympics , Australian Football League games, Australian Open tennis and soccer matches, including games involving

130-502: A patent pool administered by Via Licensing Corporation to provide a single point of license for product makers. Patent licenses are required for end-product companies that make hardware or software products that include HE-AAC encoders and/or decoders. Unlike the MP3 format before April 23, 2017, content owners are not required to pay license fees to distribute content in HE-AAC. HE-AAC profile

195-529: A DMB video sub-channel can easily be added to any DAB transmission - as DMB was designed from the outset to be carried on a DAB subchannel. DMB broadcasts in Korea carry conventional MPEG 1 Layer II DAB audio services alongside their DMB video services. Australia commenced regular digital audio broadcasting using the DAB+ standard on 4 May 2009, after many years of trialling alternative systems. Normal radio services operate on

260-516: A decision on a radio switchover subject to listening and coverage criteria being met. A digital radio switchover would maintain FM as a platform, while moving some services to DAB-only distribution. DAB+ devices in the UK has been available to the public by 2010 The United States has opted for the proprietary HD Radio technology, a type of in-band on-channel (IBOC) technology. According to iBiquity , "HD Radio"

325-463: A few channels. See main WorldSpace article. Each satellite provides three transmission beams that can support 50 channels each, carrying news, music, entertainment, and education, and including a computer multimedia service. Local, regional, and international broadcasters were working with WorldStar to provide services. A consortium of broadcasters and equipment manufacturers are also working to bring

390-513: A fixed directional antenna. Some digital radio systems provide in-band on-channel (IBOC) solutions that may coexist with or simulcast with analog AM or FM transmissions, while others are designed for designated radio frequency bands. The latter allows one wideband radio signal to carry a multiplex of several radio-channels of various bitrates as well as data services and other forms of media. Some digital broadcasting systems allow single-frequency network (SFN), where all terrestrial transmitters in

455-485: A given form of communications: telephone , telegraph , or television , for example. All kinds of digital communications can be multiplexed or encrypted at will. AAC%2B Apple Container ADTS Stream - NOT raw - Contains Headers High-Efficiency Advanced Audio Coding ( HE-AAC ) is an audio coding format for lossy data compression of digital audio defined as an MPEG-4 Audio profile in ISO / IEC 14496–3. It

520-600: A much lower data rate. Both the FM and AM schemes use lossy compression techniques to make the best use of the limited bandwidth . Lucent Digital Radio, USA Digital Radio (USADR), and Digital Radio Express commenced tests in 1999 of their various schemes for digital broadcast, with the expectation that they would report their results to the National Radio Systems Committee (NRSC) in December 1999. Results of these tests remain unclear, which in general describes

585-407: A region sending the same multiplex of radio programs may use the same frequency channel without self- interference problems, further improving the system spectral efficiency . While digital broadcasting offers many potential benefits, its introduction has been hindered by a lack of global agreement on standards and many disadvantages. The DAB Eureka 147 standard for digital radio is coordinated by

650-415: A service. Low-cost DAB radio receivers are now available from various Japanese manufacturers, and WorldSpace has worked with Thomson Broadcast to introduce a village communications center known as a Telekiosk to bring communications services to rural areas. The Telekiosks are self-contained and are available as fixed or mobile units The key breakthrough or key feature in digital radio transmission systems

715-469: A station's analog signal's carrier frequency is 93.3 MHz, the digital signal will fill 93.1–93.2 MHz and 93.4–93.5 MHz within the FM Broadcast Band. Several digital audio streams, or "subchannels", can be carried within this single digital data stream, with the number of audio of subchannels and bandwidth allocations at the choice of the station. On the radio tuner, these will appear as (in

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780-409: A viable alternative. Digital radio deployment was rebooted during 2011 - a joint commission of public and private radio broadcasters decided upon "DAB+" as the new national standard in December 2010. The new station network started as planned on 1. August 2011 with 27 stations with 10 kW each giving a coverage of 70% across the nation. A single "Bundesmux" ("fed-mux": short for "federal multiplex")

845-399: Is wireless digital transmission technologies, i.e. microwave and radio frequency communication standards where analog information signals as well as digital data are carried by a digital signal , by means of a digital modulation method. This definition includes broadcasting systems such as digital TV and digital radio broadcasting, but also two-way digital radio standards such as

910-693: Is a tie between mp3PRO , HE-AAC and Ogg Vorbis . Further controlled testing by 3GPP during their revision 6 specification process indicates that HE-AAC and HE-AAC v2 provide "Good" audio quality for music at low bit rates (e.g., 24 kbit/s). In 2011, a public listening test comparing the two best-rated HE-AAC encoders at the time to Opus and Ogg Vorbis indicated that Opus had statistically significant superiority at 64 kbit/s over all other contenders, and second-ranked Apple's implementation of HE-AAC as statistically superior to both Ogg Vorbis and Nero HE-AAC, which were tied for third place. MPEG-2 and MPEG-4 AAC-LC decoders without SBR support will decode

975-437: Is an extension of Low Complexity AAC (AAC-LC) optimized for low- bitrate applications such as streaming audio . The usage profile HE-AAC v1 uses spectral band replication (SBR) to enhance the modified discrete cosine transform (MDCT) compression efficiency in the frequency domain . The usage profile HE-AAC v2 couples SBR with Parametric Stereo (PS) to further enhance the compression efficiency of stereo signals. HE-AAC

1040-560: Is available for macOS as well as Windows . The 3GPP consortium released source code of a reference HE-AACv2 encoder that appears to offer competitive quality. Winamp Pro also supports ripping music to HE-AAC. Using a transcoding plugin for Winamp's media library, any file can be transcoded to HE-AAC. XLD , a macOS audio encoding program, offers encoding from any of its supported formats to HE-AAC. Nokia PC Suite may encode audiofiles to eAAC+ format before transmitting them to mobile phone. HE-AAC v1 and v2 encoders are provided by

1105-457: Is distinguished by its freedom from FCC censorship in the United States , its relative lack of advertising, and its ability to allow people on the road to listen to the same stations at any location in the country. Listeners must currently pay an annual or monthly subscription fee in order to access the service. Sirius Satellite Radio launched a constellation of three Sirius satellites during

1170-607: Is growing in popularity. In 2012 four digital wireless radio systems are recognized by the International Telecommunication Union : the two European systems Digital Audio Broadcasting (DAB) and Digital Radio Mondiale (DRM), the Japanese ISDB-T and the in-band on-channel technique used in the US and Arab world and branded as HD Radio . An older definition, still used in communication engineering literature,

1235-451: Is handled by Fraunhofer FDK AAC since Android version 4.1. HE-AAC is marketed under the trademark aacPlus by Coding Technologies and under the trademark Nero Digital by Nero AG. Sony Ericsson, Nokia and Samsung use AAC+ to label support for HE-AAC v1 and eAAC+ to label support for HE-AAC v2 on their phones. Motorola uses AAC+ to indicate HE-AAC v1 and "AAC+ Enhanced" to indicate HE-AAC v2. Companies holding patents for HE-AAC have formed

1300-646: Is required audio compression format in 3GPP technical specifications for 3G UMTS multimedia services and should be supported in IP Multimedia Subsystem (IMS), Multimedia Messaging Service (MMS), Multimedia Broadcast/Multicast Service (MBMS) and Transparent end-to-end Packet-switched Streaming Service (PSS). HE-AAC version 2 was standardized under the name Enhanced aacPlus by 3GPP for 3G UMTS multimedia services in September 2004 (3GPP TS 26.401). HE-AAC and HE-AAC v2 audio coding for DVB applications

1365-462: Is standardized by TS 101 154. AacPlus v2 by Coding Technologies is also standardized by the ETSI as TS 102 005 for Satellite services to Handheld devices (DVB-SH) below 3 GHz. In December 2007, Brazil started broadcasting terrestrial DTV standard called International ISDB-Tb that implements video coding H.264 with audio AAC-LC on main program (single or multi) and video H.264 with audio HE-AACv2 in

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1430-576: Is that they allow lower transmission power, they can provide robustness to noise and cross-talk and other forms of interference, and thus allow the same radio frequency to be reused at shorter distance. Consequently, the spectral efficiency (the number of phonecalls per MHz and base station, or the number of bit/s per Hz and transmitter, etc.) may be sufficiently increased. Digital radio transmission can also carry any kind of information whatsoever — just as long at it has been expressed digitally . Earlier radio communication systems had to be made expressly for

1495-424: Is the company's trade name for its proprietary digital radio system, but the name does not imply either high definition or "hybrid digital" as it is commonly incorrectly referenced. Transmissions use orthogonal frequency-division multiplexing , a technique which is also used for European terrestrial digital TV broadcast ( DVB-T ). HD Radio technology was developed and is licensed by iBiquity Digital Corporation. It

1560-633: Is the core of Dolby Pulse so files and streams encoded in Dolby Pulse will playback on AAC, HE-AAC v1 and v2 decoders. Conversely files and streams encoded in AAC, HE-AAC v1 or v2 will playback on Dolby Pulse decoders. Dolby Pulse provides the following additional capabilities beyond HE-AAC v2: Dolby has additionally released a PC decoder as an SDK suitable for integration into PC applications requiring Dolby Pulse, HE-AAC or AAC playback capabilities. HE-AAC v2 decoders are provided in all versions of Android. Decoding

1625-421: Is the use of digital technology to transmit or receive across the radio spectrum . Digital transmission by radio waves includes digital broadcasting , and especially digital audio radio services . In digital broadcasting systems, the analog audio signal is digitized , compressed using an audio coding format such as AAC+ ( MDCT ) or MP2 , and transmitted using a digital modulation scheme. The aim

1690-399: Is to increase the number of radio programs in a given spectrum, to improve the audio quality, to eliminate fading problems in mobile environments, to allow additional datacasting services, and to decrease the transmission power or the number of transmitters required to cover a region. However, analog radio (AM and FM) is still more popular and listening to radio over IP ( Internet Protocol )

1755-441: Is used in digital radio standards like HD Radio , DAB+ and Digital Radio Mondiale . The progenitor of HE-AAC was developed by Coding Technologies by combining MPEG-2 AAC-LC with a proprietary mechanism for spectral band replication (SBR), to be used by XM Radio for their satellite radio service. Subsequently, Coding Technologies submitted their SBR mechanism to MPEG as a basis of what ultimately became HE-AAC. HE-AAC v1

1820-539: Is widely believed that a major reason for HD radio technology is to offer some limited digital radio services while preserving the relative "stick values" of the stations involved and to ensure that new programming services will be controlled by existing licensees. The FM digital schemes in the U.S. provide audio at rates from 96 to 128 kilobits per second (kbit/s), with auxiliary "subcarrier" transmissions at up to 64 kbit/s. The AM digital schemes have data rates of about 48 kbit/s, with auxiliary services provided at

1885-717: The Fraunhofer FDK AAC library in Android 4.1 and later versions. HE-AAC is supported in the open source FAAD/ FAAD2 decoding library and all players incorporating it, such as VLC media player , Winamp , foobar2000 , Audacious Media Player and SonicStage . The Nero AAC Codec supports decoding HE and HEv2 AAC. HE-AAC is also used by AOL Radio and Pandora Radio clients to deliver high-fidelity music at low bitrates. iTunes 9.2 and iOS 4 include full decoding of HE-AAC v2 parametric stereo streams. Dolby released Dolby Pulse decoders and encoders in September 2008. HE-AAC v2

1950-749: The HE-AACv 2 audio coding format, also known as eAAC+ . Also being adopted are the MPEG Surround format, and stronger error correction coding called Reed–Solomon coding. The update has been named DAB+ . Receivers that support the new DAB standard began being released during 2007 with firmware updated available for some older receivers. DAB and DAB+ cannot be used for mobile TV because they do not include any video codecs. DAB related standards Digital Multimedia Broadcasting (DMB) and DAB-IP are suitable for mobile radio and TV both because they have MPEG 4 AVC and WMV9 respectively as video coding formats . However

2015-616: The MPEG-4 based standard aacPlus to code the music and CELP or HVXC for speech programs. At present these are priced too high to be affordable by many in the third world, however. Take-up of DRM has been minuscule and many traditional Shortwave broadcasters now only stream on Internet, use fixed satellite (TV set-boxes) or Local Analogue FM relays to save on costs. Very few (expensive) DRM radio sets are available and some Broadcasters (RTE in Ireland on 252 kHz) have ceased trials without launching

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2080-477: The S band range, around 2.3 GHz. Terrestrial broadcasting has advantages in being free and local. Satellite radio is neither of these things; however, in the early 21st century it has grown by providing uncensored content (most notably, the crossover of Howard Stern from terrestrial radio to satellite radio) and commercial-free, all-digital music channels that offer similar radio formats to local stations. The "HD Radio" signal of an FM broadcast station in

2145-536: The Socceroos and the A-League competition. ABC Grandstand has been broadcasting cricket since the 1930, and is the only national Australian radio station to broadcast live Test, One Day and domestic cricket . The lead ABC cricket commentators are as follows: Other notable callers include Andrew Moore, Kristen Beams , Dirk Nannes , and Stuart Clark . Grandstand Rugby League is the ABC's flagship NRL programme in

2210-582: The United States as Worldspace transmits on the L-band and would interfere with USA military as mentioned above. . in its heyday provided service to over 170,000 subscribers in eastern and southern Africa, the Middle East, and much of Asia with 96% coming from India. Timbre Media along with Saregama India plan to relaunch the company. As of 2013 Worldspace is defunct, but two satellites are in orbit which still have

2275-550: The World DMB Forum . This standard of digital radio technology was defined in the late 1980s, and is now being introduced in some European countries. Commercial DAB receivers began to be sold in 1999 and, by 2006, 500 million people were in the coverage area of DAB broadcasts, although by this time sales had only taken off in the UK and Denmark . In 2006 there are approximately 1,000 DAB stations in operation. There have been criticisms of

2340-489: The 10% power level fits within the FCC spectral mask." HD Radio HD Radio#cite note-14 . "HD Radio" allows each existing broadcast station to add additional "channels" in the US by transmitting a digital signal on both sides of its channel, just beyond their existing analog Frequency Modulation signal. The HD Radio signal occupies the 0.1 MHz that begins 0.1 MHz above and below the carrier frequency station. For instance, if

2405-431: The 2013/14 season, ABC Grandstand began covering every match of the A-League live on either local radio, digital radio, or via a dedicated mobile app. Simone Thurtell was a presenter for Grandstand. She formerly shared the hosting of the summer Grandstand program with others, including Karen Tighe , Tracy Holmes and Peter Walsh . She was ABC's around-the-ground reporter during international cricket matches played at

2470-637: The AAC-LC part of the audio, resulting in audio output with only half the sampling frequency, thereby reducing the audio bandwidth. This usually results in the high-end, or treble , portion of the audio signal missing from the audio product. Orban Opticodec-PC Streaming and File Encoders were the first commercially available encoders supporting AAC-LC /HE-AAC back in 2003. They are now deprecated and replaced with StreamS Encoders from StreamS/Modulation Index with many more features, including support xHE-AAC / Unified Speech and Audio Coding . They are now in use at some of

2535-497: The AM and FM bands, as well as four stations (ABC and SBS) on digital TV channels. The services are currently operating in the five state capital cities: Adelaide , Brisbane , Melbourne , Perth and Sydney , and is being trialled in Canberra and Darwin . Canada has begun allowing experimental HD Radio broadcasts in December 2012 and digital audio subchannels on a case-by-case basis, with

2600-524: The Eureka 147 standard and so a new ' DAB+ ' standard has been introduced. The DRM standard has been used for several years to broadcast digitally on frequencies below 30 MHz (shortwave, mediumwave and longwave). Also there is now the extended standard DRM+, which is designed for VHF bands. Tests of DRM+ has been made in countries such as in Brazil, Germany, France, India, Sri Lanka, the UK, Slovakia, Italy (incl.

2665-486: The FCC approved voluntary all-digital AM operation nationwide. Digital radio is now being provided to the developing world. A satellite communications company named WorldSpace was setting up a network of three satellites, including "AfriStar", "AsiaStar", and "AmeriStar", to provide digital audio information services to Africa , Asia , and Latin America . AfriStar and AsiaStar are in orbit. AmeriStar cannot be launched from

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2730-807: The SCG. She is probably best known for her Grandstand Active Show , which featured regular guests, including Kerry O'Keeffe , Geoff Huegill and Al Baxter , and covered the sporting issues of the day, overnight scores and live crosses to sport. Thurtell initially worked for ABC TV Sport, before switching into the ABC Radio Grandstand team. She covered major events such as the 2000 Sydney Olympics and 2006 Commonwealth Games in New Delhi . She called many sports, particularly netball . She presented Drive on 1233 ABC Newcastle in 2007 and 2008, before returning to Grandstand in 2009. Digital radio Digital radio

2795-551: The US has a limited listening distance from the broadcast tower site. FCC regulations currently limit the power of the digital part of the station's transmission to 10% of the existing analog power permitted the station. Even at this power level, the presence of the digital signal right next to the station's analog signal can result in older radios picking up noise due to trouble rejecting the adjacent digital signal. "There are still some concerns that HD Radio on FM will increase interference between different stations even though HD Radio at

2860-515: The Vatican), as well as Sweden. DRM+ is regarded as a more transparent and less costly standard than DAB+ and thus a better choice for local radio ; commercial or community broadcasters. Although DAB+ has been introduced in Australia the government concluded in 2011 that a preference for DRM and DRM+ above HD Radio could be used to supplement DAB+ services in (some) local and regional areas. To date

2925-477: The above case) "93.3-2", "93.3-3", and so on. The frequencies that are used do not change as more channels are added to the one radio station (93.3 MHz in the example above). Instead, a fixed total amount of bandwidth is simply reallocated across the audio streams such that each now receives less bandwidth, and therefore lower audio quality, than before. There is no federally mandated transition to HD Radio for both FM and AM stations. However, on October 27, 2020,

2990-473: The benefits of digital broadcasting to the radio spectrum currently used for terrestrial AM radio broadcasts, including international shortwave transmissions. Over seventy broadcasters are now transmitting programs using the new standard, known as Digital Radio Mondiale (DRM), and / commercial DRM receivers are available (though there are few models on the DRM website and some are discontinued). DRM's system uses

3055-518: The big cities. Portugal and Finland abandoned DAB. Finland is requesting the EU to mandate that automakers support FM similarly to DAB. Japan has started terrestrial sound broadcasting using ISDB-Tsb and MobaHO! 2.6 GHz Satellite Sound digital broadcasting In the United Kingdom , 44.3% of the population now has a DAB digital radio set and 34.4% of listening is to different digital platforms. Because of

3120-424: The course of 2000. The satellites were built by Space Systems/Loral and were launched by Russian Proton boosters. As with XM Satellite Radio, Sirius implemented a series of terrestrial ground repeaters where satellite signal would otherwise be blocked by large structures including natural structures and high-rise buildings. XM Satellite Radio has a constellation of three satellites, two of which were launched in

3185-564: The early success of the old DAB standard, the transition to the more efficient DAB+ takes more time. If DAB was switched off, older receivers would become worthless. In 2020, about half of the stations in the UK use DAB+. 26 million people, or 39.6% of the population of 65.64 million, now tune into digital radio each week, up 2.6 million year on year, according to RAJAR in Q1 2013. But FM listening has increased to 61% and DAB decreased to 21% DAB listeners may also use AM & FM too. The UK currently has

3250-768: The first stations in the country being CFRM-FM in Little Current , CING-FM in Hamilton , and CJSA-FM in Toronto (with a fourth, CFMS-FM in the Toronto suburb of Markham applying to operate HD Radio technology), all within the province of Ontario. In 2020, DAB+ signals cover more than 90% of Germany. A national multiplex contains three public stations by Deutschlandfunk and 12 commercial stations. In most areas, additional multiplexes with public broadcasters and regional commercial stations are available. The first DAB station network

3315-570: The following standards have been defined for one-way digital radio: See also software radio for a discussion of radios which use digital signal processing . Digital Audio Broadcasting (DAB), also known as Eureka 147, has been adopted by around 20 countries worldwide. It is based on the MPEG-1 Audio Layer II audio coding format and this has been co-ordinated by the WorldDMB . WorldDMB announced in November 2006 that DAB would be adopting

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3380-572: The game. An introduction in 2008 was the Sunday Inquisition with Gerard Whateley highlighting the good and the bad of the AFL games for the past week. Coverage preference is given to local teams in their state. National coverage for games outside the home state is determined by the match with the highest appeal. ABC's coverage of the 2024 AFL season included: Play-by-play commentators Special comments Boundary riders Journalists Beginning in

3445-484: The largest content providers, and are considered to be the standard of the industry for live encoding. Sony supports HE-AAC encoding since SonicStage version 4. iTunes 9 supports HE-AAC encoding and playback. Nero has released a free-of-charge command line HE-AAC encoder, Nero AAC Codec , and also supports HE-AAC inside the Nero software suite. Sorenson Media's Squeeze Compression Suite includes an HE-AACv1 encoder and

3510-484: The northern states. The programme calls every game live each week of the season including the State of Origin series and Finals with in depth previews and reviews, analysis, extensive talkback and interviews, and live score updates of other matches. Grandstand AFL is the ABC's flagship sports programme in the southern states. The programme calls six AFL games live a week with further match preview, analysis, and talkback of

3575-555: The second generation ( 2G ) cell-phones and later, short-range communication such as digital cordless phones , wireless computer networks , digital micro-wave radio links, deep space communication systems such as communications to and from the two Voyager space probes , etc. Digital audio radio service standards may provide terrestrial or satellite radio service. Digital radio broadcasting systems are typically designed for handheld mobile devices, like mobile-TV systems and unlike other digital TV systems which typically require

3640-451: The spring of 2001, with one following later in 2005. The satellites are Boeing 702 comsats, and were put into orbit by Sea Launch boosters. Back-up ground transmitters ( repeaters ) will be built in cities where satellite signals could be blocked by big buildings. On February 19, 2007, Sirius Satellite Radio and XM Satellite Radio merged, to form Sirius XM Radio . The FCC has auctioned bandwidth allocations for satellite broadcast in

3705-493: The status of the terrestrial digital radio broadcasting effort in North America . While traditional terrestrial radio broadcasters are trying to "go digital", most major US automobile manufacturers are promoting digital satellite radio . HD Radio technology has also made inroads in the automotive sector with factory-installed options announced by BMW, Ford, Hyundai, Jaguar, Lincoln, Mercedes, MINI, and Volvo. Satellite radio

3770-446: The time, Coding Technologies had already begun using the trade names AAC+ and aacPlus for what is now known as HE-AAC v1, and aacPlus v2 and eAAC+ for what is now known as HE-AAC v2. Testing indicates that material decoded from 64 kbit/s HE-AAC does not quite have similar audio quality to material decoded from MP3 at 128 kbit/s using high quality encoders. The test, taking bitrate distribution and RMSD into account,

3835-616: The world's biggest digital radio network, with about 500 transmitters, two nationwide DAB ensembles and 48 local and regional DAB ensembles, broadcasting over 250 commercial and 34 BBC radio stations ; about 100 stations can be received in London . On DAB digital radio most listeners can receive around 30 additional stations. Digital radio stations are also distributed on digital television platforms such as Sky, Virgin Media and Freeview, as well as internet radio . The Government will make

3900-518: Was created on band 5C as a single-frequency network on channel 5C (see [1] ). With the initial market success of DAB+ the contractors decided on an expansion of the digital radio station network in November 2012. On 1 December 2005 South Korea launched its T-DMB service which includes both television and radio stations. T-DMB is a derivative of DAB with specifications published by ETSI . More than 110,000 receivers had been sold in one month only in 2005. Hong Kong replaced DAB with DVB-T2 Lite. Norway

3965-578: Was deployed in Bavaria since 17 October 1995 until full coverage in 1999. Other states had funded a station network but the lack of success led them to scrap the funding - the MDR switched off in 1998 already and Brandenburg declared a failure in 2004. Instead Berlin/Brandenburg began to switch to digital radio based on an audio-only DVB-T mode given the success of the DVB-T standard in the region when earlier analogue television

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4030-530: Was first standardized in ISO/IEC 14496-3:2001/Amd 1:2003. HE-AAC v2 profile (HE-AAC with Parametric Stereo) was first specified in ISO/IEC 14496-3:2005/Amd 2:2006. The Parametric Stereo coding tool used by HE-AAC v2 was standardized in 2004 and published as ISO/IEC 14496-3:2001/Amd 2:2004. The current version of the MPEG-4 Audio (including HE-AAC standards) is published in ISO/IEC 14496-3:2009. Enhanced aacPlus

4095-462: Was standardized as a profile of MPEG-4 Audio in 2003 by MPEG and published as part of the ISO/IEC 14496-3:2001/Amd 1:2003 specification. The HE-AAC v2 profile was standardized in 2006 as per ISO/IEC 14496-3:2005/Amd 2:2006. Parts of the HE-AAC specification had previously been standardized and published by various bodies in 3GPP TS 26.401 , ETSI TS 126 401 V6.1.0 , ISO/IEC 14496-3:2001/Amd.1:2003 and ISO/IEC 14496-3:2001/Amd 2:2004 . At

4160-846: Was switched off in August 2003 (being the first region to switch in Germany). During that time the DVB-H variant of the DVB family was released for transmission to mobile receivers in 2004. During 2005 most radio stations left the DAB network with only one public service broadcaster ensemble to remain in the now fully state-funded station network. At last the KEF ( commission to determine the financial needs of broadcasters ) blocked federal funding on 15. July 2009 until economic viability of DAB broadcasting would be proven - and pointing to DVB-T as

4225-518: Was the first country where analog FM radio was switched off in 2017 being replaced by nationwide DAB+ distribution. Local stations can continue broadcasting in FM. With DAB being available across Belgium, Netherlands, Switzerland, Denmark, Norway and Northern Italy there is good coverage across the European Backbone area (see countries using DAB/DMB ) indicating a sufficient momentum on the market. France, Spain, Sweden and Poland use DAB+ only in

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