Product category: Design and Development Software
News Release from: Coding Technologies | Subject: MPEG Surround SDK
Edited by the Electronicstalk Editorial Team on 11 September 2006
Kits speed surround-sound development
Software development kits combine MPEG Surround technology with the world's most efficient audio codec MPEG-4 aacPlus
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Coding Technologies has developed software development kits (SDKs) for the brand new MPEG Surround technology combined with the world's most efficient audio codec MPEG-4 aacPlus. Operating on top of the aacPlus codec, MPEG Surround has the unique capability to combine stereo audio with a parameterised representation of the surround sound information.
This unprecedented functionality enables digital broadcasting systems to offer different audio channel configurations from stereo to 5.1 surround and beyond in one single bit stream, without simulcasting.
MPEG has finalised the MPEG-D standard comprising the MPEG Surround technology in July this year.
Only the formal approval by the ISO's national bodies remains in the standardisations process.
Further reading
Surround sound introduced to mobile phones
Coding Technologies' MPEG Surround software development kits (SDKs) for embedded platforms are designed to bring true surround sound to the mobile phone
Enhanced encoder improves audio fidelity
Coding Technologies has announced an upgraded release of its MPEG-4 aacPlus audio encoder engine
No more than two month after the finalisation, Coding Technologies offers SDKs to build decoders for PC platforms, enabling its customers to get first hand on this revolutionary development.
Moreover, MPEG Surround can be combined with virtually any audio codec to upgrade already existing broadcast systems such as DVB-T to surround sound.
The world's first live transmission of MPEG Layer-2 with MPEG Surround over DVB-T was demonstrated as a proof of concept at the German Medientage exhibition in Munich in 2005.
A standard DVB-T set-top-box was used to play back the stereo portion of the Layer-2 MPEG Surround signal, whereas a new MPEG Surround enabled set-top-box played back the full 5.1 surround audio.
Now that the open MPEG-D standard is finalised, interested parties can have immediate access to the technology for evaluation.
'Mainly thanks to the success of the DVD, surround sound is clearly moving mainstream in homes today, and consumers are more and more expecting surround also for broadcasting', says Martin Dietz, CEO and President of Coding Technologies.
'No modern broadcast system can afford to ignore this trend, and MPEG Surround has the unique capability to support both, multichannel and stereo receivers with a single bitstream'.
'This creates totally new use cases and business opportunities'.
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