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Fast Method for Compression in MPEG Audio LayerⅢ by Digital Signal Processor

Dou Weipei Yang Xueshi Dong Zaiwang  
MPEG audio Layer III compression algorithm is a high efficiency and Hi-Fi compression coding of digital audio specified by ISO11172-3 standard. Since the algorithm is high complexity and time consuming, implementation of the coding algorithm is considered, especially for the real time application. Several fast methods such as Huffman coding, iteration of bit allocation are presented and also the key points to realize them on the fixed point DSP chip-DSP2181.
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