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Thursday 26.12.2024 / 13:29
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afterdawn.com > forums > digital audio > high resolution audio > am i waisting my time with 5.1 sound?
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Am I waisting my time with 5.1 sound?
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suunto
Newbie
_ 		24. March 2008 @ 17:44 _ Link to this message    Send private message to this user   
I have just started to convert my Ripped DVD collection to Xvid but I have a question about my audio playback.

When I ripped my DVD's and then copied them onto DVD using DVD Shrink I would always choose the 5.1 audio option over the 2.1 audio. Even though I have a "bog standard" telly with cheap built in speakers I was thinking of possibly buying 5.1 speakers in the future. SO far this hasn't happened and probably never will however I may connect a good set of 2.1 speakers in the near future.

At the moment I am converting my VOBs to Xvid and I'm trying to include the AC3 audio format in the hope that I will keep the 5.1 surround sound.

Now here's my question. If I'm probably never going to have a 5.1 Surround Sound system am I wasting my time doing this?

My next question is if I ditch the AC3 and convert to MP3 sound quality would I still have a sterio effect if I ever want to attach a 2.1 sound system?

Would I actually make any savings in overall file size of the AVI file swapping from movies with AC3 and movies with MP3 audio.

Cheers
[ + quote]
wilkes
Senior Member
_ 		28. March 2008 @ 12:04 _ Link to this message    Send private message to this user   
Firstly, you are really in completely the wrong forum for this question. This is for High Resolution Audio - which Dobly Dirgital & MP3 are most decidedly not. They are as piss-poor in terms of quality as it is possible to get, IMHO.
I'll try to deal with the question though.
Trying to go from AC3 (Dobly) to MP3 is a pointless thing to do. For a couple of reasons.
1 - an AC3 5.1 stream will probably contain a downmix. Converting this to a stereo MP3 will save you so little space it is futile trying, and the resulting quality drop from expanding a massively reduced file like AC3 to WAV and back to MP3 again will give you a horrible audio quality.
2 - At best, you will get a downmix. At worst, you will get the L & R streams only, and lose the rest.

Don't bother. It's not worth your time spent doing it.
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