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Topic: Omnisphere CPU usage oddities

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  1. #1

    Omnisphere CPU usage oddities

    Although I'm getting generally good performance out of Omnisphere (on an 8-core 2.8Ghz Mac), I occasionally come across a parameter that maxes out the cpu even with one note. A repeatable example is to add a wah-wah effect on part A and try to modulate the frequency parameter with an LFO; instant glitching even with a simple single oscillator sound.

    Anyone else notice such inconsistencies?

    Steve

    P.S. Wish list: Being able to engage the arpeggiator on parts A or B individually.

  2. #2

    Re: Omnisphere CPU usage oddities

    That parameter uses a lot of cpu when modulated. But, the Wah effect has a built in LFO on page 2 that you can use instead.

    - Glenn

  3. #3

    Re: Omnisphere CPU usage oddities

    Another CPU inquiry:
    When I use the "High Church - Use Live Mode" multi, my CPU hits between
    29% and 38% with a 4-note chord in the Live mode, but it hits 100% in
    the Mixer. Should there be a difference? Does the Mixer use so much
    more of the CPU?

    My system: Dell XPS P4, 3.2 GHz, 4GB RAM (3.25 recognized). For the most part, Omnisphere runs quite well on this archaic system if I ignore the long load times.

  4. #4

    Re: Omnisphere CPU usage oddities

    Sorry, I don't understand your question. The meters on the mixer page are volume levels, not cpu usage.

    - Glenn

  5. #5

    Re: Omnisphere CPU usage oddities

    Quote Originally Posted by GlennO View Post
    Sorry, I don't understand your question. The meters on the mixer page are volume levels, not cpu usage.

    - Glenn
    Hi Glenn,
    I'm testing the CPU usage in Windows Task Manager. When I switch back and forth between Mixer and Live, the same patch or multi uses a higher percentage of my CPU in the Mixer than in Live mode. For example, when I switch back and forth between Mixer and Live, the "High Church - Use Live Mode" multi causes my CPU to spike in the Mixer and distort, but not in Live, where the sound is clean.

  6. #6

    Re: Omnisphere CPU usage oddities

    What host are you using?

    - Glenn

  7. #7

    Re: Omnisphere CPU usage oddities

    Quote Originally Posted by GlennO View Post
    What host are you using?

    - Glenn
    Cubase SX 3.1.1.944

  8. #8

    Re: Omnisphere CPU usage oddities

    Using SX4, playing "High Church - Use Live Mode", I don't see any difference in cpu usage between the Live and Mixer pages. If that persists, contact tech support with the details and they'll help you out.

    - Glenn

  9. #9

    Re: Omnisphere CPU usage oddities

    Quote Originally Posted by Steve555 View Post
    P.S. Wish list: Being able to engage the arpeggiator on parts A or B individually.
    You can do this by stacking parts. Each part has it's own arpeggiator and you can create the types of sounds you are looking for by using Stack mode.

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