Mono playing reverse stereo audio is completely muted |
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Issue descriptionVersion: 51.0.2693.0 OS: Platform 8111.0.0 (Official Build) dev-channel veyron_jerry test What steps will reproduce the problem? (1) Switch to mono mode, to manually start it is "dbus-send --system --type=method_call --print-reply --dest=org.chromium.cras /org/chromium/cras org.chromium.cras.Control.SetGlobalOutputChannelRemix int32:2 array:double:0.5,0.5,0.5,0.5" (2) Playing a reverse stereo audio in the attachment, it is completely muted. Reference: http://www.audiocourses.com/2012/02/10/mono-compatibility-and-phase-cancellation/
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Mar 30 2016
I am curious is there a way to do phase alignment firstly before mixing?
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May 9 2016
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Dec 27 2017
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Jan 10 2018
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Jan 10 2018
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Jan 10
This issue has been Available for over a year. If it's no longer important or seems unlikely to be fixed, please consider closing it out. If it is important, please re-triage the issue. Sorry for the inconvenience if the bug really should have been left as Available. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Yesterday
(36 hours ago)
warx@, if possible, could you confirm whether this issue has been addressed? Thanks.
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Yesterday
(26 hours ago)
I suggest this is closed as Won't Fix. I can't think of a situation when this is a practical problem. As indicated by the link in the bug description, for sound engineers it is pretty much "Mixing 101" to mono-check their work before distribution, as all manner of things can happen at the playback side. Stereo as well as surround material utilise phase differences and inter-channel delays to produce spacious sounding audio. If we were to apply processing to align phases, those effects would to some extent be cancelled (and we'd introduce other artefacts too). |
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Comment 1 by hychao@chromium.org
, Mar 30 2016