Audi B&O system not decoding 4.0 FLAC Properly

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thalter

New member
Joined
May 28, 2020
Messages
5
Location
Ohio
I have a 2017 Audi A3 with the Bang and Olufsen MMI system, and I’ve noticed for a while that the sound is a little ”off” when listening to quadraphonic (4.0) FLAC encoded material, so I did a little testing. I used as 4.0 test file, and sure enough, nothing comes out of the back right speaker when playing a 4.0 FLAC file.

This problem does not seem to happen when playing 5.0 or 5.1 encoded FLAC files, so I did a little experiment: I opened one of my quad FLAC files in ocenaudio and inserted a completely silent center track to convert it to 5.0, and now it plays back perfectly!

Has anyone else experienced this problem?
 
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