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audio codec
(redirected from Audio Decoder)

    Also found in: Wikipedia 0.01 sec.
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.
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Nasdaq: SPRD, "Spreadtrum"), one of China's leading wireless baseband chipset providers, has unveiled its new AVS video / audio decoder chip, the SV6100.
SPREADTRUM UNVEILS NEW AVS VIDEO/AUDIO DECODER CHIP SV6100 by Electro Manufacturing
Tokyo, Japan, Aug 4, 2006 - (JCN) - Seiko Epson released a new voice guidance audio decoder chip for embedded applications on August 3.
Epson Releases Voice Guidance Chip Avoids Need for Studio Recording by JCNN News Summaries
Wavecom selected the MAS 3515G single-chip MIDI synthesizer with speech and compressed audio decoder functions and the DAC 3560C, a high precision stereo digital-to-analog converter.
WAVECOM SELECTS MICRONAS FOR MULTIMEDIA MOBILE PHONE PLATFORMS by Worldwide Telecom
 
 
 
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