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Wrong Clock Rate In Audio Settings?

292 Views 1 Reply Latest reply: Aug 31, 2013 2:38 PM by Pancenter RSS
rastro4 Level 1 Level 1 (0 points)
Currently Being Moderated
Aug 31, 2013 1:49 PM



I am using Logic Pro 9.1.8 and my audio interface is an M-Audio ProFire 2626. The M-Audio is the master clock for my system. It slaves to the Apogee Rosetta 200 via Word Clock.


I have my clock rate set on the Apogee for 48 kHz, and I the ProFire is locked to the Apogee.


However, when I start a new session in Logic, the default in Settings/Audio seems to be 44.1. Why doesn't Logic automatically set the clock rate based on the ProFire? It seems unnecessary (and somewhat risky) to have to manually set the clock rate every time I start a new session. I discovered this by accident when I exported some audio files and they were at the wrong sample rate. Any help would be appreciated.





Mac Pro, Mac OS X (10.7.5), 2 x 2.66 Quad-Core Intel Xeon
  • Pancenter Level 5 Level 5 (7,505 points)
    Currently Being Moderated
    Aug 31, 2013 2:38 PM (in response to rastro4)

    Technically: If the M-Audio slaves to the Rosetta the Rosetta is the Master Digital Clock period.


    In Logic's Audio Prefs you have the M-Audio set as Input/Output device, correct?

    In the M-Audio software applet it shows the sample rate as 48kHz ?


    Most DAW Application will detect a sample rate difference, Cubase/Nuendo will halt the program before loading a project and ask the user if they wish to adjust sample rate to the hardware.


    If you look in Settings/Synchronization you should see a check box that says Auto Enable External Sync, is this enabled? 


    Settings are not global, they are per project, If you're using a default project to start with set the sync defaults you require and resave the project.


    The RME hardware I use works in the opposite manner, it syncs to the DAW's sampel rate.


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