deceived by 5.1?

[uglijimus]

I have a TV series on DVD that is in stereo and 5.1. I wanted to separate the dialogue from the music/sound fx, so I demuxed the vob files with Pazera into an AC3. I then added a plug in to audacity and put the AC3 in there and got 6 separate channels.

My friend has the same TV series by a different company. He sent me over an ISO of one of the discs so I could compare it to mine (the sound fx are supposed to be different). I could not load the ISO through Daemon Tools (there was some kind of a problem) but I was at least able to open up the video files and see the .vob files in daemon tools. I could play 4 out of the 7 vob files (each vob files was an episode) with VLC player with no problem. The other ones had bad sector errors for whatever reason.

I took one of the playable vob files and went through the same demux/extraction process to get the 6 channels. But there were only two(?!). I thought that maybe Pazera couldn't handle this kind of vob and I tried with pgcdemux, vobedit and vobrator. But they all produced AC3's that had only two files (dialogue, sound fx and music on both-stereo).

Is it possible there was something corrupt in the file that was taking out the extra channels? this seems unlikely to me or else I wouldn't have been able to play any of the vob files I would think. Are the extra channels hiding somewhere??

[redwudz]

The 5.1 was probably just downmixed to stereo by the program your friend used.

[hech54]

You are not going to "separate the dialogue from the music/sound fx" anyway so don't worry about it.

[sambat]

I record 'Grimm' OTA and find the music channels very intrusive.
By using Audacity to save only the centre channel the dialog isn't overwhelmed.

[uglijimus]

The 5.1 was probably just downmixed to stereo by the program your friend used.

I've never heard of a ISO creator that did something like that, but I guess there is a first time for everything. I'm asking him to send over just one of the vob files and I am going to try that instead.