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How to change audio frequency?

Fresh7 days ago
Mar 15, 202632206 views
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Problem

I want to change the frequency of an audio file. Meaning: the whole file should sound (say) one octave higher or lower. How to do it? Using or other command line open source tool would be preferable.

Error Output

ffmpeg

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Fix for: How to change audio frequency?

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With ffmpeg: Here, 1/2 is the pitch factor. See the other answer for more details. If you need a GUI, use Audacity, it's a free, open source, cross platform audio editing tool. Features: Change the pitch without altering the tempo, or vice-versa. As…

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