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DECODING MS

Discussion in 'Pro Audio Equipment' started by bingo, Aug 14, 2005.

  1. bingo

    bingo Guest

    Hi,
    Can anyone suggest an editing programme capable of decoding MS WAV files recorded on a Nagra V.
    Many Thanks,
    Bingo.
     
  2. TeddyG

    TeddyG Well-Known Member

    I'm not sure what you mean by "decoding"?

    If you mean making use of the BWF's(Broadcast Wave Files) the Nagra V(According to the Nagra website) makes while recording, I would suggest a LynxTwo sound card and Steinberg Wavelab 5, for editing/mixing, though Wavelab works only on PC. Others would have to recommend software for Apple machines.

    A Nagra/Lynx combo would be about as "pro" as it has to be...


    Teddy G.
     
  3. David French

    David French Well-Known Member

    Decoding means resolving into stereo. This can be done by duplicating the 'S' track, phase inverting the copy, then panning the original hard left and the copy hard right. Now play these with the 'M' track et voila. Just about any old program will do this.
     
  4. TeddyG

    TeddyG Well-Known Member

    Continue David... I am now completely lost. Why would the Nagra V not sort've by default, play in stereo, if so recorded? Why would "decoding" be neccessary? Does one always have to do this to get stereo from the Nagra? Was something improperly set on recording? I'm surely missing alot here... What?

    ThankYOU!

    TG
     
  5. Matt_Trix

    Matt_Trix Guest

    Eh.. Teddy do a search on MS microphone techniques.. also known as "Sum Difference" by some, although technically that refers to the process that David described of converting between MS and XY stereo.

    Anyway, there is also a useful set of FREE vst plugs by "MDA". One of them is called "mda Image" and you can use it to do sum-difference processing. So in other words, if you strap the plugin over a stereo wave file it will convert it.. so if your left channel is M and right is S then the plugin will convert it "on the fly" so that it will output in XY stereo.. or vice-versa. It's quite a nice plug and doesn't seem to colour the sound too much.

    Can't remember the link but i'm sure a google on "mda image" would come up trumps.

    Cheers,
    Matt
     
  6. David French

    David French Well-Known Member

    Teddy, I suppose he recorded an MS array's two channels to the Nagra's hard drive and now has those two tracks on a PC. The Nagra does have a n MS decoder built in, but i'm guessing he is without the Nagra now.
     
  7. ghellquist

    ghellquist Member

    Hmm.

    Could MS stand för Microsoft? As in Microsoft Wav file format?

    Gunnar
     
  8. David French

    David French Well-Known Member

    Oh now that would be embarrasing! Thanks Gunnar.
     

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