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24 tracks an hour long ?

546 Views 15 Replies Latest reply: Feb 11, 2013 7:15 PM by Pancenter RSS
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cowbell bill Level 1 Level 1 (40 points)
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Feb 7, 2013 12:05 PM

Basically thats the question. Can logic handle it ? A friend asked me to mix his live gig.  Oh and the dude who recorded it. Recorded it slow. About 3/4 of a step flat. He would like me to bring it back up to 440.

  • Pancenter Level 5 Level 5 (7,505 points)
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    Feb 7, 2013 12:45 PM (in response to cowbell bill)

    Recorded it slow?

     

    On a tape machine?

     

    Are you sure it's being played back at the correct sample rate?

     

    48kHz played back at 44.1 will be flat.

     

    My old PPC G5 would handle 24 mono tracks no sweat so I imagine a more recent machine would have no problems.. you have a separate audio drive right?

  • Pancenter Level 5 Level 5 (7,505 points)
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    Feb 7, 2013 4:45 PM (in response to cowbell bill)

    Are these mono or stereo tracks, mono I'm guessing.

     

    Make sure he's sounding you a copy of the original files as the difference in pitch is about what you would exxpect playing a 48kHz file at 44.1. You don't want files he's resaved with the pitch difference.

     

    Personally, I would use the Mac Pro and if possible, but put more RAM in it. You want to keep long audio files off the system drive as the operating system does quite a bit of writing to sys drive. I would use an external drive with Journaling disabled.

     

    That's many, many GB of files to downloard, good luck.

  • Pancenter Level 5 Level 5 (7,505 points)
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    Feb 7, 2013 6:57 PM (in response to cowbell bill)

    To get the slower playback I'm pretty sure the files were originally 48kHz. An hour long mono 48k/24-bit audio file is going to be around 525 megabytes per file.

     

    You can download them anywhere that's convenient and then create a folder on the external drive with the name of the project and move them there, or create the folder first and download to there, that would save time.

     

    To Disable Journaling on a drive, open Disk Utility, select the drive, hold down the Option key and mouse up to the "File" menu, you should see it there.

  • kcstudio Level 4 Level 4 (1,600 points)
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    Feb 7, 2013 10:19 PM (in response to cowbell bill)

    One little point of notice, if I may. Make sure to get the audio format you can handle, meaning that if the project was for instance recorded on a Tascam X-48 then the project audio needs to be converted for Logic to be recognized as audio at all. No way around this, except to get hold of a Tascam machine.

    Have a nice day!

  • Pancenter Level 5 Level 5 (7,505 points)
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    Feb 10, 2013 10:44 AM (in response to cowbell bill)

    Follow this order.

     

    1. Go to your Audio device's (Duet?) software applet, change the sample rate to 48kHz.

     

    2. Open Logic, set the sample rate to 48k (Settings/Audio)
    2a. (Go back and check the Apogee hardware to make sure you're at 48)

    3. Open the Audio Bin window and import (Add Audio File) a single test file from the files you've received.

     

    Where do you stand now?

     

    Using the Audio bin you can multi-select files and import all at once.

  • Pancenter Level 5 Level 5 (7,505 points)
    Currently Being Moderated
    Feb 11, 2013 2:19 PM (in response to cowbell bill)

    Bill, no, I don't think Bounce in Place will do what you want with Varispeed.

     

    You may have to Bounce each Track separately, I know that works.

  • Pancenter Level 5 Level 5 (7,505 points)
    Currently Being Moderated
    Feb 11, 2013 4:07 PM (in response to cowbell bill)

    I guess you could over-write each of the old files.

     

    Varispeed is working on on the whole project, as a result it can only be accessed through the Master Out.

     

    However, Bounce does work, offline bounce will work fine.

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