[Webkit-unassigned] [Bug 77856] Have the DynamicsCompressorNode support multi-channel data

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sun Feb 5 23:42:50 PST 2012


--- Comment #1 from Raymond <rgbbones at gmail.com>  2012-02-05 23:42:50 PST ---
Created an attachment (id=125583)
 --> (https://bugs.webkit.org/attachment.cgi?id=125583&action=review)
compressor result

This attached img show case a stereo sound with sin wave in left and right channel with a PI phase difference.

up part is wave form before compress, down part is wave form after compress. (with audio route: source->analyser->compressor->analyser2->destination)

In the image the delay should be introduced by compressorNode's predalay, while you can see the sin wave get wrongly compressed. ( when left and right channel have the same phase, the output will be perfectly compressed)

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