Airplay Audio Streaming and Mirroring = what about CPU usage?

Discussion in 'OS X Mountain Lion (10.8)' started by fanta, Jun 19, 2012.

  1. fanta macrumors regular

    Jun 2, 2011
    Hello guys...

    for anybody who uses Airplay in ML.

    How much does it use CPU wise

    a) normal Audio-streaming using Airplay as the Audio Device for everything that the mac is playing
    b) when mirroring the display + audio.

    Can somebody say how many miliseconds the latency is when using airplay?
  2. Asmod4n macrumors member

    Jun 18, 2011
    No latency for the Audio, can't check Mirroring because i only have AirServer which doesn't support ML yet.
  3. fanta thread starter macrumors regular

    Jun 2, 2011
    how about cpu usage or temps while using Airplay Mirroring?
  4. mentaluproar macrumors 68000


    May 25, 2010
    Ohio, USA
    I'm very curious about this too. I read somewhere that latency for mirroring was about 100 milliseconds. That's enough to notice, but not enough to matter.

    As for CPU usage, I'm stumped. Supposedly, it will use intel quick sync, which is more efficient and reduces overhead compared to streaming frame-by-frame screen captures. Still, I doubt that it won't have a noticeable overhead.

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