[Xiph-Advocacy] example of lossless fade out

xiphmont at xiph.org xiphmont at xiph.org
Tue Jul 7 14:31:12 PDT 2009


> long frames) within the same file. In the transition between two short
> or two long frames, the overlap is complete, but in the transition
> between a short and a long frame, a part of the long frame is copied 1:1
> into the output, causing the fade to be interrupted by a constant

You're conflating the floor and the window.  Long frames are still
multiplied by the floor, even if the window is a different shape.

So Vorbis can be faded losslessly, but the fades will be 'chunky'
where the attenuations will be modulated by the output window and the
long windows are 2ms or so.

Monty


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