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Topic: multichannel flac channel maps (Read 3581 times) previous topic - next topic
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multichannel flac channel maps

I've noticed that when converting DTSHDMA and TrueHD files to FLAC via vidcoder and eac3to, the mediainfo of the file says simply:

Audio
Format                      : FLAC
Format/Info                : Free Lossless Audio Codec
Duration                    : 1h 31mn
Bit rate mode              : Variable
Bit rate                    : 4 210 Kbps
Channel(s)                  : 8 channels
Sampling rate              : 48.0 KHz
Bit depth                  : 24 bits
Stream size                : 2.69 GiB (100%)
Writing library            : libFLAC 1.3.1 (UTC 2014-11-25)

Whereas if you rip to .wav and then encode with flac.exe (win7 PC) you get:

Audio
Format                      : FLAC
Format/Info                : Free Lossless Audio Codec
Duration                    : 1h 31mn
Bit rate mode              : Variable
Bit rate                    : 4 210 Kbps
Channel(s)                  : 8 channels
Channel positions          : Front: L C R, Side: L R, Back: L R, LFE
Sampling rate              : 48.0 KHz
Bit depth                  : 24 bits
Stream size                : 2.69 GiB (100%)
Writing library            : libFLAC 1.3.1 (UTC 2014-11-25)

Which resembles what the mediainfo for both the original codes looks like.

Does this make any difference...are the channels still mapped properly and/or is there any way to test that?

multichannel flac channel maps

Reply #1 –
Without having tested, i'm inclined to think both files are fine. I've never had any problems with eac3to.
I guess to check you could use Foobar2000's bitcompare, or maybe open up each file in Audacity and see if the tracks are in the same order.