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Topic: How to properly downmix 7.1 track (DTS or FLAC) to stereo? (Read 1463 times) previous topic - next topic
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How to properly downmix 7.1 track (DTS or FLAC) to stereo?

Hi guys,

I'm a bit at a loss here. I've always downmixed 5.1 tracks using Channel Mixer in Foobar2000, but it seems it doesn't fit here.

I need some tool or a plugin, which can turn 7.1 track into stereo properly. I searched the internet but I haven't found any suitable variants apart from VST plugin from Waves (DTS Neural pack at exorbitant price).

Can anyone help, please?

Re: How to properly downmix 7.1 track (DTS or FLAC) to stereo?

Reply #1 –
Use "Downmix channels to Stereo" included with every version of foobar2000.

Trim levels for this component (which can't be changed) are -3 dB for Center and -3 dB for Surround (side & back).  -3dB for LFE.  Works pretty good.
 

Re: How to properly downmix 7.1 track (DTS or FLAC) to stereo?

Reply #2 –
Quote from: Chibisteven on
Use "Downmix channels to Stereo" included with every version of foobar2000.

Trim levels for this component (which can't be changed) are -3 dB for Center and -3 dB for Surround (side & back).  -3dB for LFE.  Works pretty good.

Thanks a lot! I never thought that simple plugin was this advanced.

Re: How to properly downmix 7.1 track (DTS or FLAC) to stereo?

Reply #3 –
Quote from: Chibisteven on
Use "Downmix channels to Stereo" included with every version of foobar2000.
Trim levels for this component (which can't be changed) are -3 dB for Center and -3 dB for Surround (side & back).  -3dB for LFE.
From my test it seems that "Downmix channels to stereo" in foobar2000 1.3.15 uses 0 dB for LFE. I created 7.1 file with all channels with level 0% (-∞ dB) except LFE  with level 100% (0 dB), then downmixed it to stereo using "Downmix channels to stereo" in foobar2000 1.3.15. Resulted stereo file has peaks 0 dB in both channels.
 
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