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介绍了音频编码的一般原理和常用的音频压缩方法,并简要论述了AAC编解码过程中要用到的感觉模型、TDAC技术和Huffman编解码。
The general principles of audio coding and the commonly used audio compression methods are introduced. The sensory model, TDAC technology and Huffman codec used in AAC coding and decoding are briefly discussed.