Quote:
Originally Posted by martin53
Depending on the player - if it transposes the audio frequencies or just compresses them
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Yes, but the YouTube example requires timestretching the audio, no? It needs the 2x duration with the original pitch; it then skips samples on 2x playback.
Code:
I found the original video I watched to learn how to do the Youtube trick, so maybe it will explain things better.
https://www.youtube.com/watch?v=EsBXYHfYgmI
In this video, this is exactly what is done (using Audacity), so I think my suggestion of using TimeStretch is appropriate.
I do not see any way (or any sense) of doing this "without YouTube" (or some other HTML5 player), however.