Hi John,
Not sure exactly what is going on. I'm a re-recording mixer and I've made thousands of mono stems. -6 dB is the correct setting for this. If you are seeing -23 dB on your dBFS meters, then you are looking at the result of your mono stem being panned to the left and the right channels. The correct way to check your stem is to bus the mono stem to both the left and right channels independently. Do not pan the mono stem to the left and right channels. The result will be an attenuation of the audio signal the amount of the pan law, which is variable in pro tools version 9 and up. Let me know if you need any additional information.
Best,
Brandon Howlett
Brandonx1@yahoo.com
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From: John Moore bigfish@pacbell.net>
To: Avid L2 Avid-L2@yahoogroups.com>
Sent: Friday, January 18, 2013 3:31 PM
Subject: [Avid-L2] Audio mixdown of stereo tracks to Mono -6db or -3db?
I've posted about this before but in my experience and understanding when I take a pair of stereo tracks like music or EFX and do a mono mixdown to create a mono stem I set the audio mixer to -6db to account for the doubling up of the tracks. This is the math and approach I've used successfully in the past. Today I took a stereo EFX pair and mixed down to mono and when I set it to -6db the tone section at the head is playing back at -3db below the standard -20 for reference tone. WTF? Has the audio mixdown matrix changed in V 6? I seem to recall there are some audio settings to do with how much attenuation in a cross fade or pan senario. Do these controls effect a mono multing in an audio mixdown? I'm confused -6db has always worked and I've had my protools mixers confirm that is the proper setting. What am I missing here? Why is -3db now seem to be the magic number? Is tone fooling me?
John Moore
Barking Trout Productions
Studio City, CA
bigfish@pacbell.net
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