Support reading multi-channel formats such as 5.1 channel MP4 audio and 5.1 channel FLAC from USB files. FLAC actually allows up to 8 channels for 7.1 audio too.
Moderator: Currently only stereo file formats are read. Surround sound can be optionally be synthesized. originally called Dolby Surround, current cars use Immersive Sound, which is quite a bit better.