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Re: M&S Decoding

Subject: Re: M&S Decoding
From: Clifford Caruthers <>
Date: Sat, 14 Feb 2004 11:37:26 -0800
Rob -

You're forgetting one vital step to decoding m/s in protools - you must
flip the polarity of track 3, the duplicate of the side track.  I
usually do this by loading a one band eq on the track and using the
polarity flip button.  If you're doing this properly, you can pan
tracks 1 and 3 to one side and they will completely cancel.  Depending
on the system you have you may need to load the eq plugin on track 1 as
well to align the samples.  Without this step you are not hearing a
true stereo representation.

Best,

Cliff Caruthers
Resident Sound Designer
Theatreworks, Palo Alto, CA

On Feb 14, 2004, at 4:54 AM,  wrote:

>> Dear All,
>>
>> Can anybody direct me to any previous discussions on how , if at all
>> possible, can I set up CEP 2 or Audition to decode M&S files.
>>
>> Also does anybody know of ant decent DX plug ins that do the business.
>>
>> Roger C Boughton
>>
>> [Non-text portions of this message have been removed]
>>
>
> There are plugs that do it but none I've tried are more flexible than
> what I can do in a simple multi-track track mixing app like ProTools
> Free (PTF).
>
> Save your interleaved stereo .wav file as a Split Stereo file. Place
> the left (mid) channel in Track #2 of  PTF.  Place the Right (side)
> channel in tracks 1 and 3 of PTF. Pan Tracks 1 and 3 hard left and
> right.  Pan track #2 in the middle.  Match the levels at desired
> output on Tracks 1 and 3 and experiment with how much Track 2
> Mid-gain produces the stereo image you want. The volume of the middle
> will affect the image on the sides too. You may like that you can
> insert some EQ that differs from the sides and middle too. Rob D.
>
> --
> Rob Danielson
> Film Department
> University of Wisconsin-Milwaukee



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