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Creating a 5.1 file?
Hey, I have a quick (hopefully) question. I have 4 audio files that together make up 6 channels of audio. There are 2 stereo files that contain front left and right channels, and rear left and right channels, then there are 2 mono files which contain the center and sub channels. I’d like to know how to, in Vegas 8.1, put those together into 1 5.1 channel audio file. I’ve never really messed with any of the surround sound options in Vegas before, but I know they exist in Project Settings. How can I take those 4 files and combine them into 1 AC3 5.1 channel file?
Thanks in advance for any help!
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10 Replies
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Set your project audio for 5.1 Surround. Then drop the audio files into the project and double-click on the surround pan in the track header to bring up the big Surround Panner window and enable the speakers you want the track to play through.
~jr
http://www.johnrofrano.com
http://www.vasst.com -
How do I disable or enable certain speakers? For me I can only move the little diamond around.
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Nevermind, I’m stupid. One more question though, what format do I render it into? All 4 of the files together are 108 MB but when I rendered to an AC3 file using the Doly Digital AC-3 Studio plugin with the 5.1 Surrond DVD preset, I got a 10.5 MB file that, when played in Windows Media Player, wasn’t 5.1. What do I do?
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It sounds like you did everything correctly. Does Windows Media Player support Dolby Digital AC-3 5.1 Surround? (i don’t know) Is your default windows audio device set to 5.1 surround? If not, WMP might be downsampling to stereo on the fly. Try other players that support 5.1 as well.
~jr
http://www.johnrofrano.com
http://www.vasst.com -
Well originally it defaulted opening in Quicktime, but quicktime wouldn’t play it. It said it needed some plugin and took me to a page to download it but there was no plugin there for AC3. I thought that it was supposed to be uncompressed, why would it go from 108 MB total for all 4 original files to 10.5 MB for the AC3? That’s compression.
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> I thought that it was supposed to be uncompressed, why would it go from 108 MB total for all 4 original files to 10.5 MB for the AC3? That’s compression.
Yes, indeed. AC-3 is highly compressed. I’m not sure why you though it would be uncompressed. WAV files are uncompressed. AC-3 is a codec, and codecs compress and decompress. 😉
~jr
http://www.johnrofrano.com
http://www.vasst.com -
Do I lose sound quality? Is AC-3 a good intermediate file for use with bluray and dvd authoring? Is there a better format to use to get the 5.1 surround? Is WAV capable of 6 channels? I heard that AAC was 5.1 capable.
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Yes, Dolby Digital AC-3 is exactly what you should be using for DVD and Blu-ray.
~jr
http://www.johnrofrano.com
http://www.vasst.com -
Ive mixed in 5.1 several times in sony vegas and now the option to turn an audio track over to the audio bus. isn’t working the blue and white small box is simply not there. Not sure what happened. Any help would be great
Thank you
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Ok, thank you very much. I just wasn’t sure if the compression was going to cause a loss of quality, but if it’s what I should be using then I guess I will!
Thanks for the help!
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