AirPlay supports Dolby 5.1?

Discussion in 'Apple TV and Home Theater' started by BeachChair, Mar 26, 2011.

  1. BeachChair macrumors 6502a

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    #1
    Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3 like Mac OS X; da-dk) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8F190 Safari/6533.18.5)

    Does AirPlay support Dolby 5.1? For example if I play a video from Air Video (one that doesn't need transcoding) or from YouTube.
     
  2. chunker macrumors member

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  3. waw74 macrumors 68030

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    #3
    YouTube doesn't have 5.1 to begin with.
     
  4. bucksaddle macrumors 6502

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    #4
    AirPlay does support 5.1 but may not through third party apps. For example, if I put a handbrake encoded mp4 on my iPad that includes a 5.1 track and AirPlay that to my Apple TV via the built in iPad Videos App, 5.1 is streamed perfectly.
    However if I try to AirPlay that same file via Air Video, no luck.
     
  5. BeachChair thread starter macrumors 6502a

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    #5
    That's interesting. Thanks.

    A related question: Does Apple TV2 support 6 channel AAC, or only AC3?
     
  6. 3282868 macrumors 603

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    Jan 8, 2009
    #6
    5.1 AC3, no 6-channel and I have been able to use AAC. Also depends on AVR. My Pioneer Elite VSX-33 supports MCACC (ACC) which is rare currently. I rip my DVD's then use Handbrake to convert them into AAC 6-channel, and if I need to I'll make an iDevice friendly version with iSkysoft iMedia Convert or Handbrake, depending on how much time I have.

    If you have HDMI going to your receiver (most new receivers handle the video/audio, mine has 5 HDMI in's and one HDMI out to my 50" Pioneer Elite), the AVR would handle the audio. It is dependent on what the device supports, not sure if ATV2 can pass a 6-channel signal via HDMI to a receiver that supports/transcodes AAC/6-channel discrete, although you probably can't play an m4v with 6-channel audio through ATV2 any ways.
     
  7. newagemac macrumors 68020

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    Mar 31, 2010
    #7
    Unfortunately you are quite wrong sir. :D Yes Airplay does support 5.1 dolby digital surround sound goodness. If the video you are streaming contains 5.1 audio, Airplay will stream 5.1 to your 5.1 capable receiver.
     
  8. newagemac macrumors 68020

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    Mar 31, 2010
    #8
    To be more clear, Airplay does support 5.1 through 3rd party apps. It is the 3rd party app itself that needs to support 5.1 audio. Currently, Air Video does not support 5.1 audio at all so of course it wouldn't work with Airplay either. I hear there are plans to add 5.1 support in Air Video so that might change soon. Until recently, there was no point in them doing it since the only devices they could output to were stereo only.
     

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