印象中還有一個LPCM(Linear PCM)，這個格式是不失真無壓縮的，對於還原度的話，LPCM應該是比較好的。
[GOOGLE找到的資訊]
Linear PCM is an uncompressed audio format. It can have up to 8 channels of audio at 48khz or 96khz sampling frequency and 16, 20 or 24 bits per sample. It has a maximum bitrate of a huge 6.144 MB/s. It's also known as LPCM.