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Optimizing design of MPEG-1 layer 3 decoding based on ARM
Author(s): 
Pages: 33-35
Year: Issue:  4
Journal: ELECTRONIC MEASUREMENT TECHNOLOGY

Keyword:  ARM霍夫曼改进的反向离散余弦变换子带合成优化算法信噪比;
Abstract: 针对ARM的解码空间局限,通过扩充霍夫曼表节点数,采用改进的反向离散余弦变换等方法提出了一种基于ARM的MP3解码优化设计方法.这种方法可以使解码时频率降到40MIPS以下,信噪比大于90dB,同时大大缩小了程序段、静态表的空间.
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