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Re: [microsound] Help: 5.1 Surround mixdown



hi greg

dolby suround is a suround system that is stereo compatible. it used to be the standard for cinemas. it works in the way that signals embedded in the stereo mix that are out of phase are forced out of the suround channels - giving you the ability to "space things out". When you do your mix you encode it with hardware from dolby (i bet you can get pluins theese days, which will do the job for you - i can ask my coleage if your interested.) and you end up with a stereo signal. when the mix is played back, you decode it (e.g. dvdplayers has the decoder built in) and you get your suround mix

when you mix 5.1 in logic you are mixing 6 discrete channels. this will never be stereo compatible - unless you convert it to dolby suround (which again i guess you can get plugins to do for you.)


regards
bård


On Jul 2, 2008, at 12:45 AM, g d wrote:

Hello All,

I'm attempting to mix down 15 tracks into Dolby 5.1 Surround Sound using Logic Pro 7.2.3. The panning is all set and I can bounce the tracks, but the result of bouncing is two aiff files labled "[title]-L" and "[title]-R". I
found a Dolby Labs publication that descibes these as the two-channel
mix-down of a 5.1 format. However, the publication says that these can be
decoded into 5.1 audio: how does this work?

My question is this: are these two audio files all that is needed to
playback my composition in 5.1 Surround? Do I have to make a final mix of the two files to get one 5.1 compatible audio file, if so how do I do that?

Obviously, this is my first attempt at Surround Sound mixing. Any advice is
greatly appreciated.

Thanks,
-greg d.



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