1.sox # sudo apt-get install sox # soxi test.wav //查看文件头信息 Input File : 'Faded.wav' Channels : 2 Sample Rate : 44100 Precision : 16-bit Duration : 00:03:32.63 = 9376836 samples = 15947 CDDA sectors File Size : 37.5M Bit Rate : 1.41M Sample Encoding: 16-bit Signed Integer PCM 把pcm转换成wav # sox -t raw -c 1 -e signed-integer -b 16 -r 16000 3.pcm 3.wav 2.audacity # sudo apt-get install audacity 3. # sudo add-apt-repository ppa:shiki/mediainfo # sudo apt-get update # sudo apt-get install mediainfo mediainfo-gui # mediainfo-gui