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Apple TV Discussion of Apple TV, the new revolution in watching television.

Airplay - issues with video jumping and losing audio


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KatH_1967

 
Member Since: Dec 23, 2011
Location: Toronto
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Mac Specs: 15" MacBook Pro OS X Mountain Lion, 22GHz, i7, 4GB 1333 MHz DDR3

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Hi all. I have a late 2011 MacBook Pro - I bought an ATV box today and upgraded to Mountain Lion. I have everything up and running and it's all working beautifully, including the Airplay mirror monitor on my TV, except for one problem. When I play a YouTube video from the internet on my laptop (i.e., not from the YouTube feature in ATV), the streaming is poor - it keeps freezing, jumping, and losing audio. I have zero problems with streaming on anything else through ATV including Netflix, videos stored on my hard drive, etc.

Has anyone else experienced this and can someone tell me what I need to do to fix this?

Thanks so much!
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cwa107

 
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Member Since: Dec 20, 2006
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So, there's a tremendous amount of bandwidth being consumed when you do AirPlay and are streaming at the same time. Assuming you're using a wireless network, you may be at the limits of the available bandwidth by doing both simultaneously.

What kind of wireless network do you have? If it's 802.11b or g-based, you may need to upgrade. If it's 802.11n, and it's working on b/g compatibility mode, it may have stepped down to least common denominator status, to accommodate one of your older network devices.

Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!
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KatH_1967

 
Member Since: Dec 23, 2011
Location: Toronto
Posts: 15
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Mac Specs: 15" MacBook Pro OS X Mountain Lion, 22GHz, i7, 4GB 1333 MHz DDR3

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Hi there. Thanks so much for the reply. I just checked and I have an SMC8014W-G and when I google the specs, it says it's 802.11g which according to your answer, I may have to upgrade. This unit comes from my cable/high-speed provider (as part of my monthly package), so perhaps I should return it to them and buy something better. I will also check with them and see if they have something newer I can trade for because this one is two years old, they probably use a better one now.

Thanks very much!
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cwa107

 
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So, that's an all-in-one modem and router combo. I would check with your ISP about getting a normal modem and then get a standalone wireless router.

802.11g operates at a peak rate of 54Mb/s. That's under ideal conditions with only one device using the bandwidth. When you start dividing it up and introducing walls, you're probably looking at just a 10Mb/s or so.

That's probably not enough to do reliable streaming of video both from Netflix and from AirPlay to Apple TV.

I would look at a dual-band 802.11n router. Even Apple's $99 AirPort Express would be a better option (although it has just one wired Ethernet jack). Personally, I use a D-Link DIR-655 that I am still thrilled with after years of reliable service. I'm thinking of upgrading to something that is dual-band though... not sure what my next router will be.

Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!
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KatH_1967

 
Member Since: Dec 23, 2011
Location: Toronto
Posts: 15
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Mac Specs: 15" MacBook Pro OS X Mountain Lion, 22GHz, i7, 4GB 1333 MHz DDR3

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Awesome, thanks for the suggestions, looks like I have a little upgrading to do :-)
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