audio codec


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audio codec

(1) (audio enCOder/DECoder) Software that compresses and decompresses a digital audio signal. MP3, Windows Media Audio (WMA), Dolby Digital and DTS are examples of popular codecs that compress and decompress digital audio. The audio codec may also be a hardware circuit. See codec examples, codec, Windows Media formats, QuickTime, audio compression, perceptual audio coding and G. standards.

(2) (audio enCOder/DECoder) A hardware circuit that converts sound waves into PCM digital code and vice versa. The term may refer to only the A/D and D/A conversion, or it may include the compression technique for further reducing the signal (definition #1 above). If the codec is specialized for human voice, it is known as a "speech codec," "voice codec" or "vocoder" (see speech codec). See sampling and codec.
References in periodicals archive ?
To help improve time to market and software quality, the new IDT audio codecs also feature the IDT Smart Configuration Suite, a downloadable universal driver package for easy pin and feature configuration.
AC10 -_ A MetaSound 10kbps audio codec, encoding a 5.
Parametric Stereo from Coding Technologies and Philips again significantly increases the efficiency of audio codecs for stereo signals at low bit rates.
We are pleased to introduce our latest, and world's smallest, audio CODEC LSI of its kind which can limit sound degradation to a minimum, as the audio CODEC can be placed close to the microphone.
As a proven technology Coding Technologies' aacPlus audio codec is already the audio compression format of choice across a variety of industry standards, systems and applications, including MPEG, DVB, DMB and 3GPP.
Coding Technologies' aacPlus audio codec solutions empower some of the world's most demanding and cutting-edge wireless music and television services including, AOL, KDDI, NTT DoCoMo, REAL, Sprint and XM Satellite Radio.
Only a few Audio CODEC manufactures are available in the market, namely TI, AKM and Wolfson.
The company's aacPlus audio codec is the audio compression format of choice across a variety of industry standards, systems and applications, including, MPEG, DVB, DMB, 3GPP.
Until now, the barrier to broadcasters implementing the latest high efficiency aacPlus audio codec for multi-channel HDTV broadcast has been the lack of ability for consumers to decode the surround sound in the home.
Nero's audio codec beats Windows[R] Media Audio and Ogg Vorbis technologies in a recent independent listening test
NASDAQ:SRSL), a leading provider of surround sound, audio and voice technologies, today announced solution support availability for the Window's Vista operating system through partnerships with leading PC audio codec vendors and original equipment manufacturers (OEMs).