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AppleTV via optical music stutters

626 Views 7 Replies Latest reply: Feb 14, 2012 3:19 PM by Winston Churchill RSS
Tom Nash Calculating status...
Currently Being Moderated
Feb 14, 2012 8:24 AM

So I thought it would be a good idea to use an AppleTV to Receiver via optical to stream music from our ipad or Macbook.  No TV.  The problem I have (besides the quality of the sound which I'm not sure if that's the iPad or ATV/Airtunes) is that it keeps stuttering.  Starts and stops and will sometimes then just go on to the next song.  It's pretty regular but sometimes will start up after it's been playing for a couple of songs.

 

At first I thought it was an issue with our wifi (airport extreme) being too far away from both the ipad and the ATV. (airport is downstairs) So I bought an airport express to use as a bridge.  Then when upstairs (in theory) the ipad and appletv would be on the bridge.  Same problem though.   Sometimes I think an AppleTV restart helps but I can't really be sure.

 

Any ideas? 

 

At this point I can just use the Airport Express instead of AppleTV which I will test next.

 

Also, does anyone know if streaming from iPad to AppleTV or AirportExpress is just a bad idea from a sound quality standpoint anyway.  Is it at least CD quality?

 

Tom

Apple TV (2nd generation)
  • Alley_Cat Level 6 Level 6 (16,620 points)
    Currently Being Moderated
    Feb 14, 2012 12:05 PM (in response to Tom Nash)

    This sounds very suspicious of either a wifi LAN bandwidth issue or wifi interference.

     

    I used to get stuttering playing from macs to Express until I changed router (or perhaps it was teh channel settings) - microwave was a common cause of interference.

     

    Current Express maxes out at CD quality 16 bit 44.1 kHz.

     

    AppleTV2 apparently upsamples to 16 bit 48 kHz fro some odd reason.

     

    I don't think we know enough about Airplay internal working to know if it preserves audio quality or adapts to lower speeds by downgrading quality.  In theory I would expect it to preserve CD quality from lossless rips but there are many factors at play.

     

    An option I would consider would be hooking up the Macbook to the reciever via optical/Toslink to miniToslink, then using the iPad Remote app to control itunes on the Macbook.

     

    Add something like BitPerfect app, Fidelia or Audirvarna app into the eqaution to improve the sound quality if uisng analogue out instead.  Not tried to see if it improves optical jitter.

     

    AC

  • Winston Churchill Level 10 Level 10 (81,650 points)
    Currently Being Moderated
    Feb 14, 2012 2:15 PM (in response to Tom Nash)

    When you added the express, did you set it up to bridge the network or as an extended WDS network.

  • Winston Churchill Level 10 Level 10 (81,650 points)
    Currently Being Moderated
    Feb 14, 2012 2:47 PM (in response to Tom Nash)

    There have been quite a few reported issues with people using WDS and the Apple TV, are you able to bridge the network with the express.

  • Winston Churchill Level 10 Level 10 (81,650 points)
    Currently Being Moderated
    Feb 14, 2012 3:19 PM (in response to Tom Nash)

    Yes it should have.

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