Will sound mixing in protools recmpress the video? at DVinfo.net

Ben Gurvich · April 15th, 2004, 03:13 AM

Just wonderin if sound mixing in sound forge, will recompress my video and create more artifacts.

What program would i use to make a 5.1 soundtrack?

Rob Lohman · April 15th, 2004, 03:25 AM

I'm not sure what you are getting at here. Normally you don't
have video in an audio application unless you want it there to
guide you in your music creation. Normally you then use a low
resolution proxy instead of the full file.

Why are you worrying about video in an audio application? Make
your audio track and export it as uncompressed WAV in how
many different tracks you want. Then import that into your NLE
(editor) and output to your final format (I presume DVD due to
you mentioning 5.1). For DVD you create an AC3 file and MPEG2
video file (you might even be able to create the AC3 file in
Sound Forge and bypass audio creation in the NLE?) and load
that up in a DVD authoring package to create your DVD structure.

Then either your authoring program burns the DVD as well or
you can have some other burning program do that.

Your main issue is the MPEG2 video compression with whatever
codec you use (Premiere 6.5 & Pro come with their own, as does
Vegas, but you can also go down the standalone encoder route
through program likes Canopus ProCoder or TMPGEnc).

Ben Gurvich · April 15th, 2004, 03:45 AM

Thanks fr the info Rob, still leabes me wondering where can i do a 5.1 mix? Also do most people just edit the sound in the NLE? or do they export the tracks to something like SoundForge, id prefer to do it all in premiere 6.5, but how do i go from say 3 audio tracks to 5.1?

Glenn Chan · April 15th, 2004, 03:34 PM

SoundForge is an audio editor that handles noise reduction, dialogue editing, but not multitracking (have multiple tracks of audio like your NLE does). You'll need a program like Adobe Audition for that (Audition should be bundled with Premiere Pro). I'm not sure if Audition can handle 5.1.

2- You probably don't need 5.1. What are you trying to do (overall with your sound)?

April 15th, 2004, 03:13 AM	#1
Ben Gurvich Major Player Join Date: Dec 2003 Location: Australia Posts: 329	Will sound mixing in protools recmpress the video? Just wonderin if sound mixing in sound forge, will recompress my video and create more artifacts. What program would i use to make a 5.1 soundtrack?

April 15th, 2004, 03:25 AM	#2
Rob Lohman RED Code Chef Join Date: Oct 2001 Location: Holland Posts: 12,514	I'm not sure what you are getting at here. Normally you don't have video in an audio application unless you want it there to guide you in your music creation. Normally you then use a low resolution proxy instead of the full file. Why are you worrying about video in an audio application? Make your audio track and export it as uncompressed WAV in how many different tracks you want. Then import that into your NLE (editor) and output to your final format (I presume DVD due to you mentioning 5.1). For DVD you create an AC3 file and MPEG2 video file (you might even be able to create the AC3 file in Sound Forge and bypass audio creation in the NLE?) and load that up in a DVD authoring package to create your DVD structure. Then either your authoring program burns the DVD as well or you can have some other burning program do that. Your main issue is the MPEG2 video compression with whatever codec you use (Premiere 6.5 & Pro come with their own, as does Vegas, but you can also go down the standalone encoder route through program likes Canopus ProCoder or TMPGEnc). __________________ Rob Lohman, visuar@iname.com DV Info Wrangler & RED Code Chef Join the DV Challenge \| Lady X Search DVinfo.net for quick answers \| Buy from the best: DVinfo.net sponsors

April 15th, 2004, 03:45 AM	#3
Ben Gurvich Major Player Join Date: Dec 2003 Location: Australia Posts: 329	Thanks fr the info Rob, still leabes me wondering where can i do a 5.1 mix? Also do most people just edit the sound in the NLE? or do they export the tracks to something like SoundForge, id prefer to do it all in premiere 6.5, but how do i go from say 3 audio tracks to 5.1?

April 15th, 2004, 03:34 PM	#4
Glenn Chan Inner Circle Join Date: Jun 2003 Location: Toronto, Canada Posts: 4,750	SoundForge is an audio editor that handles noise reduction, dialogue editing, but not multitracking (have multiple tracks of audio like your NLE does). You'll need a program like Adobe Audition for that (Audition should be bundled with Premiere Pro). I'm not sure if Audition can handle 5.1. 2- You probably don't need 5.1. What are you trying to do (overall with your sound)?