audio_core: Preserve front channel volume after 6 to 2 downmix

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Many games report 6 channel output while only providing data for 2. We only output 2-channel audio regardless, and in the downmixing, front left/right only provide 36% of their volume. This is done assuming all of the other channels also contain valid data, but in many games they don't. This PR alters the downmixing to preserve front left/right, so volume is not lost.

This improves volume in Link's Awakening, New Super Mario Bros U, Disgaea 6, Super Kirby Clash.

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This commit is contained in:

Kelebek1 2021-07-07 14:56:23 +01:00

parent 2eb018c80f

commit 7636fefb71

5 changed files with 81 additions and 75 deletions

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