CODEWITHSUNDEEP
ffmpegsox
Vasyl Shumskyi
Vasyl Shumskyi

Reputation: 143

Trim off N samples from audio file using SoX / FFmpeg etc

Is there a way to trim off N samples from audio file using SoX / FFmpeg or the likes of?

Upvotes: 5

Views: 3561

Answers (2)

Vasyl Shumskyi
Vasyl Shumskyi

Reputation: 143

Using SoX trim :

sox in.wav out.wav trim 0s 1000s

Trims first 1000 samples with 0 samples offset.

's' here means 'sample', not 'second'. To trim by 'seconds' you should remove 's'

To trim specified range of sample(s): 

sox in.wav out.wav trim 5000s 100s

Trims 100 samples, from 5000 to 5100 (5000s - samples offset, 100s - number of samples to trim after offset)

sox in.wav out.wav trim 123456788s 1s

Trims 123456789-nd sample (123456788s - samples offset, 1s - number of samples to trim after offset)

Upvotes: 9

llogan
llogan

Reputation: 134313

Use the atrim filter:

ffmpeg -i input -af atrim=start_sample=65614:end_sample=102400 output

  • start_sample - The number of the first sample that should be output.

  • end_sample - The number of the first sample that should be dropped.

Upvotes: 3

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