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ffmpeg设置输出的采样率和声道数参数 - Joyber 的博客

原始音频信息，采样率44100 Hz，双声道stereo

  Duration: 00:11:23.60, start: 0.025057, bitrate: 128 kb/s
    Stream #0:0: Audio: mp3, 44100 Hz, stereo, fltp, 128 kb/s

转码命令

ffmpeg -i C:\Users\Administrator\Desktop\materials\蕊希.mp3 -ac 1 -ar 48000 -y test.mp3

其中：

-ac 1 设置声道数为1
-ar 48000 设置采样率为48000Hz

转码后的音频，采样率48000 Hz，单声道mono

  Duration: 00:11:23.59, start: 0.023021, bitrate: 64 kb/s
    Stream #0:0: Audio: mp3, 48000 Hz, mono, fltp, 64 kb/s

版权属于：Joyber

本文链接：https://blog.qqvbc.com/default/1176.html

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