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问 MP3解码流程
1.Begin
2.Get bit stream, find header
3.Decode side information
4.Decode scale factors
5.Decode Huffman Data
6.Requantize spectrum
7.Reorder spectrum
  if(window_switching_flag) and (block_type==2)
8.Joint stereo processing
  (if applicable)
9.Alias reduction
10. Synthesize via IMDCT & overlap-add
  (IMDCT either 18 of 6.6.6 depending on  
   window_switching_flag and block_type)
11. Synthesize via polyphase filterbank
12.Output PCM samples
13.End 答 1: 这做什么?? 我以前贴过哦简单哦 答 2: pp