Extract PCM
ffmpeg -i buweishui.mp3 -ar 48000 -ac 2 -f s16le 48000_2_s16le
ffmpeg -i buweishui.mp3 -ar 48000 -ac 2 -sample_fmt s16 out_s16.wav
ffmpeg -i buweishui.mp3 -ar 48000 -ac 2 -codec:a pcm_s16le out2_s16le.wav
ffmpeg -i buweishui.mp3 -ar 48000 -ac 2 -f f32le 48000_2_f32le
ffmpeg -i test.mp4 -t 10 -vn -ar 48000 -ac 2 -f f32le 48000_2_f32le_2
I recommend a Lingsheng Academy project class. I personally think the teacher taught it well. I would like to share it with you:
Lingsheng Platinum Learning Card (including infrastructure/high-performance storage/golang cloud native/audio and video/Linux kernel)
https://xxetb.xet .tech/s/VsFMs