[Bug 1654480]

[Plurtu]

Created attachment 9115722
sequence-size-comparisons.zip

(In reply to alex.korchemniy from comment #23)
> The waveforms at 3x are identical to 1x for about 45ms. Then it skips and copies another 45ms.

This is because the default sequence size at 2x speed is 40ms with some
variation due to 15ms seek window and 8ms overlap. I made a build with a
10ms sequence size that produces similar results to Chrome up to 4x
speed, 1ms produces slighter better results but the difference is
subtle. According to documentation, a smaller sequence is more
computationally expensive but I have been unable to detect any
significant difference myself. I think 10ms is a good middle ground,
below which there are diminishing returns. The seek window and overlap
can be left alone as these values help smooth out irregularities quite
well.

Example video used in comparison:
https://www.youtube.com/watch?v=fDek6cYijxI

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

Title:
  HTML5 sound choppy when played at 4x

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