Play and encode audio in reverse?

Using tools available to Trusty Tahr how can I play audio files in reverse (play them backwards)? I would also like to know of tools that will allow me to save or create such reversed audio files...

1 Answer

From GUI with Audacity -

Reversing audio can be done using Audacity Effect > Reverse. After reversing we can choose to just playback or to export in any codec supported.

From CLI with Sox -

On the command line we can reverse audio with sox option reverse:

sox input.wav output.wav reverse ## for conversion
play input.wav output.wav reverse ## for playback

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