[Bug 1654480]

Alex Korchemniy alex.korchemniy at gmail.com
Fri Dec 13 15:23:38 UTC 2019


Thanks. The patch is a significant improvement!

At 4x with 10ms window, it's easy to comprehend speech. There is some
slightly noticeable choppiness in some videos. I'm not an audio expert,
but I tried to do some analysis using Audacity + Gimp. I plotted both
track as Mel Spectrograms, took a screenshot, aligned the two graphs in
Gimp, set the layer mode to difference. There are some noticeable
periodic artifacts. Perhaps related to the "sliding" part of the
algorithm.

I'll try 1ms later today.

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https://bugs.launchpad.net/bugs/1654480

Title:
  HTML5 sound choppy when played at 4x

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