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I have some sound positioning issues with AAC multichannel playback ?

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  • Ultima risposta di guigs

Sacharoze
Sacharoze
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Since the last updates and the use of html5 for YouTube I noticed some changes on how sound the video playback. I'm using a 5.1 configuration and I did felt quite like things where not at the right place somehow. So I checked, switching between flash and html5, Firefox and IE, with various files audio files or webpage, for example : https://www2.iis.fraunhofer.de/AAC/multichannel.html

Using Firefox and playing those mp4 or wav files I get all those channels messed up, same thing using html5 embedded video, which does not occurs using IE or using whatever player like vlc.

Since the last updates and the use of html5 for YouTube I noticed some changes on how sound the video playback. I'm using a 5.1 configuration and I did felt quite like things where not at the right place somehow. So I checked, switching between flash and html5, Firefox and IE, with various files audio files or webpage, for example : https://www2.iis.fraunhofer.de/AAC/multichannel.html Using Firefox and playing those mp4 or wav files I get all those channels messed up, same thing using html5 embedded video, which does not occurs using IE or using whatever player like vlc.

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guigs
guigs
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So this is what I have for troubleshooting general audio issues:

Does it also happen on different audio devices?

However since you have an example, I also have tested this in beta, but on a Mac and did not hear the same issue. If you can also produce this on another computer with the same OS, I would recommend filing an audio bug for wav files in bugzilla.mozilla.org.