ffmpeg convert audio

使用ffmpeg转换音频采样率

最新推荐文章于 2024-06-07 11:12:38 发布

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本文介绍了如何使用ffmpeg工具来转换音频的采样率。通过`-ar`选项可以设置音频的采样率，例如将44.1kHz的立体声.wav文件转换为48kHz的立体声.wav文件。此外，还提到了其他音频相关的参数，如音频质量、通道数等。

The ffmpeg option for audio is as following

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Audio options:
-aframes number set the number of audio frames to record
-aq quality set audio quality (codec-specific)
-ar rate set audio sampling rate (in Hz)
-ac channels set number of audio channels
-an disable audio
-acodec codec force audio codec ('copy' to copy stream)
-vol volume change audio volume (256=normal)
-newaudio add a new audio stream to the current output stream
-alang code set the ISO 639 language code (3 letters) of the current audio stream

Advanced Audio options:
-atag fourcc/tag force audio tag/fourcc
-sample_fmt format set sample format, 'list' as argument shows all the sample formats supported
-absf bitstream_filter
-apre preset set the audio options to the indicated preset