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teejee2008 / selene

Advanced audio-video converter for Linux with support for modern audio and video formats like HEVC, OPUS, WEBM, etc. Can be used in scripted mode, or by running the GTK frontend.

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Having the possibility to add other parameters such as --no-phase-inv for Opus

dok-prog opened this issue · comments

commented

Hi!
I am a fan of the Opus format but the problem that we may encounter with this format is when downmixing to mono (in the case of a bluetooth speaker for example), the phase inversion that is used sometimes gives us a messed up mono signal in the high frequency. The solution to this problem is to add "--no-phase-inv" when encoding.

https://www.opus-codec.org/docs/opus-tools/opusenc.html
--no-phase-inv : Disable use of phase inversion for intensity stereo. This trades some stereo quality for a higher quality mono downmix, and is useful when encoding stereo audio that is likely to be downmixed to mono after decoding.

Request : is it possible to have a checkbox for the --no-phase-inv parameter for the opus format ?