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Multiple interfaces into Logic Pro for live performance.

6422 Views 18 Replies Latest reply: Jan 31, 2012 9:56 AM by gwd_boi RSS
  • Pancenter Level 5 Level 5 (7,505 points)
    I can't answer your main questions but there are quite a few here that can... just wanted to mention Logic Pro and Mainstage are two separate applications that run independently. Sounds like you will me using Mainstage.. I think it would be a good idea to copy your question and post it in the Mainstage forum. Logic Studio is a suite of application, Mainstage being one of them.

    pancenter-
    Power PC G5 Dual 1.8GHz, 4GB RAM, Mac OS X (10.5.7), RME Audio - MOTU MIDI, (Logic 8.02), Intel/Windows-7 Quad Core PC
  • dingdangdawg Level 2 Level 2 (455 points)
    I play solo and wanted to record my gigs, while using Logic for plug-in effects and triggered samples. I am having good results using separate interfaces for input, and output (i.e., no aggregate device). I am using a Tascam M-164UF mixer for my live mixing and instrument/mic pres/inputs. The M-164UF sends multichannel digital audio (up to 24-bit, 96K, but I am recording using 16/44.1) via USB 2.0 (Alesis makes similar mixers). The fidelity is "plenty good enough" for live recordings. To prevent overloading the USB buss for simultaneous digital audio and recording, I am using Firewire for both my external recording hard drive (7200 rpm); AND audio output for the plug-in effects and instruments from Logic, routed through a MOTU Ultralite Firewire interface. All this, with 4 GB RAM on a 2.4 GHz MacBook.

    The M164UF is selected in Logic as my audio input, and the Ultralite is selected as my audio output. I then physically wire the Ultralite analog outs to mixer inputs on the M164UF board. So, the Tascam performs as an analog mixer with all its nice faders and pots and knobs and meters, for my "real instruments" and my Logic virtual instruments and effects.

    When performing, I have certain channels in Logic that are performing plug-in effects and instrument functions, set up for Input Monitoring (so they don't record). The channels/strips I want to record (vocal, guitar, sax, etc) are set up for Record. At the start of a set, I begin my recording.

    With the load split between the USB and Firewire busses, I have been able to get the benefits of multi-track recording PLUS Logic's plug-in effects/instruments routed to my analog board inputs with about 10ms total latency, and a surprisingly low CPU hit. Performances have gone without a hitch, and the resulting recordings are more than adequate.
    {Dual 2.0 GHz G5. 2} {MacBook 2.4 GHz Core 2 Duo}, Mac OS X (10.6.4), {4 GB, Apogee Duet} {4 GB, Ultralite mk3}
  • gwd_boi Calculating status...

    fuzzynormal wrote:

     

    Check out the AUDIO-MIDI application that's part of the MacOS and google "aggregate device" for relevant info.

     

    This is the correct answer.

     

    Here is the Kbase help topic:

     

    http://support.apple.com/kb/HT3956

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