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Old Jan 13, 2013, 02:19 PM   #1
Coarse
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Apple TV, iTunes, streaming regular and hd movies

I have aplle TV hooked up to my 1080p TV, streaming a hd movie from iTunes. The Internet speed is between 15-20 Mbps. How many megabytes/ gigabytes should be chewed up for a 2 hour movie? How many gigabytes for a regular movie?
Appreciate if someone can tell me how to calculate that in general?
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Old Jan 13, 2013, 03:50 PM   #2
TJ61
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Not sure exactly what you're asking, are you asking what's the minimum speed to stream an HD or SD movie?

At a GB per hour, the speed would be (1000MB / 3600s) x 8 b/B = 2.2 Mbps

HD movies are probably about twice that, and SD may be a little under that.

If the movie is already in iTunes, it's not your internet speed that matters, but your wifi speed (or is that what you meant?).

Regards,
Tom
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Old Jan 13, 2013, 03:58 PM   #3
musicpenguy
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Just look on your Mac or Windows box - the download size is the streaming size. So 3-10GB for HD movies 1-3 GB for SD.
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Old Jan 13, 2013, 07:24 PM   #4
Coarse
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Quote:
Originally Posted by TJ61 View Post
Not sure exactly what you're asking, are you asking what's the minimum speed to stream an HD or SD movie?

At a GB per hour, the speed would be (1000MB / 3600s) x 8 b/B = 2.2 Mbps

HD movies are probably about twice that, and SD may be a little under that.

If the movie is already in iTunes, it's not your internet speed that matters, but your wifi speed (or is that what you meant?).

Regards,
Tom
All I wanted to know is how many gigabytes should a movie chew up from say an 80 gb allowable limit
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Old Jan 13, 2013, 07:37 PM   #5
wharzhee
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Quote:
Originally Posted by Coarse View Post
All I wanted to know is how many gigabytes should a movie chew up from say an 80 gb allowable limit
It varies.

eg1: JAWS [HD] ~2hrs05mins is abt ~4.6gb(1080p) : so 80gb limit would give u about 17movies
eg2: Five Year Engagement[SD] ~2hrs05mins is abt ~1.9gb: so 80gb limit would give u about 42movies

Does that answer ur q?

Last edited by wharzhee; Jan 13, 2013 at 07:43 PM.
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Old Jan 14, 2013, 10:05 AM   #6
TJ61
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Quote:
Originally Posted by Coarse View Post
All I wanted to know is how many gigabytes should a movie chew up from say an 80 gb allowable limit
Ahhh, your internet speed was the red herring, I guess.

Anyway, if you look on iTunes on your desktop (not on the iPad, it seems), it will tell you exactly how many GB a movie is in HD AND SD, so no guessing is required. But, if you don't have a particular movie in mind, the answer was still there: about 1GB/hour for SD, and 2GB/hour HD.

Regards,
Tom
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Old Jan 14, 2013, 10:20 AM   #7
Ratatapa
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Quote:
Originally Posted by Coarse View Post
All I wanted to know is how many gigabytes should a movie chew up from say an 80 gb allowable limit
SD movies usually taake 400mb-1.5gb
720P between 1.5-5 gig
and 1080 3.5-10gig

Depend on the movie compression
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Old Jan 14, 2013, 05:02 PM   #8
Coarse
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Quote:
Originally Posted by wharzhee View Post
It varies.

eg1: JAWS [HD] ~2hrs05mins is abt ~4.6gb(1080p) : so 80gb limit would give u about 17movies
eg2: Five Year Engagement[SD] ~2hrs05mins is abt ~1.9gb: so 80gb limit would give u about 42movies

Does that answer ur q?
It gives me a pretty good idea, thanks

----------

Quote:
Originally Posted by Ratatapa View Post
SD movies usually taake 400mb-1.5gb
720P between 1.5-5 gig
and 1080 3.5-10gig

Depend on the movie compression

Ok, thanks
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