What is the Apple TV h.264 spec?
Is it mainline or baseline only?
Where is it on the Apple site?
Excuse my ignorance.
Thanks
joly
But also bear in mind that the tone of that email suggests Apple is
desperate to get people
to move beyond 320x240 more, as that low a res starts to look
What is the Apple TV h.264 spec?
Is it mainline or baseline only?
Where is it on the Apple site?
Excuse my ignorance.
from their website: http://www.apple.com/appletv/specs.html
* H.264 and protected H.264 (from iTunes Store): Up to 5 Mbps,
Progressive Main Profile (CAVLC) with
revisiting the great apple tv debate once more..
I have spend the past few days experimenting with recompressing my
35 files- tricky because they are large files with a lot of
movement and not a ton of light (I know! I know! lets not go
there!)... what seems to work best for me is
--- In videoblogging@yahoogroups.com, Kathryn Jones [EMAIL PROTECTED] wrote:
revisiting the great apple tv debate once more..
I have spend the past few days experimenting with recompressing my
35 files- tricky because they are large files with a lot of
movement and not a ton of light
thanks cammack
done!
K
On Feb 22, 2008, at 2:44 PM, Bill Cammack wrote:
--- In videoblogging@yahoogroups.com, Kathryn Jones
[EMAIL PROTECTED] wrote:
revisiting the great apple tv debate once more..
I have spend the past few days experimenting with recompressing my
35 files-
Thanks, Markus, for your kind words. I'm glad my videos are providing
some entertainment! I've yet to get up the nerve to do mostly
narrated, camera-pointed-at-myself vlog posts, and still stick with
simple montages. And I appreciate your note that it looks good on
your monitor. Because I am
640x360 is a good compromise resolution, not a bad balance between res, bitrate
filesize, and device compatibility.
It will be passable to many people on a larger screen via Apple TV, but your
720p version
should be noticably better.
There are still some users devices that will struggle
I got a Mac Mini instead of the Apple TV. Much more versatile, but still far
from perfect.
For instance you should be able to browse for new content from your couch, you
can't you
need to add the content to another computer in your house to get it to your TV.
Thats the
main issue I've had
To: videoblogging@yahoogroups.com
Subject: [videoblogging] Re: Apple TV dead?
I got a Mac Mini instead of the Apple TV. Much more versatile, but still far
from perfect.
For instance you should be able to browse for new content from your couch,
you can't you
need to add the content to another
Yeah, I was reall suprised to read this...
http://www.popularmechanics.com/technology/reviews/4236755.html?page=9
Popular Mechanics actually put forth the effort to name Apple Tv the
second worst gadget of the year...and to think I almost bought one.
First of all most of my movies I've ripped
this is sort of a refrain for me this time of year, but wait until macworld
It may be they will introduce a new model then. And they don't have a
ton of inventory, so they're not promoting it.
Though it would have made sense to introduce a new model before xmas
On the other hand, jobs has said
Had it not required me to buy some gawdawful widescreen LCD TV I can't
afford and have it sit there all ugly and shiny on my wall I would
have considered buying an Apple TV. I like the concept. But my 25 year
old 4:3 TV hidden away in a cabinet looks better, even w/the low res
of letterboxing,
Hey everybody,
Excuse me if this has already been covered on this topic - I haven't
had time to read all.
Handbrake recently released a new update which allows 640x480 H264
iPod compatible conversion, so I asked them what the secret sauce was
for their ffmpeg.
They pointed me to the post
It certainly seems like a hack of this kind is possible to get around
the 640x480 baseline low-complexity limitation of the iPod and iTunes.
What to do with that code escapes me, though. And I don't know whether
it can be used with the Windows version.
I'd like to hear back from someone who
Message-
From: videoblogging@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of wazman_au
Sent: Monday, April 23, 2007 1:29 PM
To: videoblogging@yahoogroups.com
Subject: [videoblogging] Re: Apple TV and iPod clash
Mike,
Great. How about sharing the secret with those
I had no problems making a 640x480 h.264 ipod compatable with Videora,
my problem is that it constanly unsynchs the audio. Its fine to begin
with but drifts by up to 5 or 6 seconds of lag by the end of the show.
I'm going to play with it some more, try out the avisyth profiles.
I'll let you guys
Hi,
Great!
If your format is definitely H.264, 640x480 and you have actually seen
it working on a video iPod then I'm interested in your settings ... if
you don't mind sharing! Or point me towards the video and I'll try it
myself.
Without wanting to sound patronising: It is possible that you've
No it was H.264. Here are the settings I used in Videora
Videora ipod converter v. 2.11 (make sure you have the iPod converter
as they have several different versions)
Go to settings make sure the device is iPod (should be default)
for simplicity sake select the drop down profile for
H.264 VGA
File size is always an issue. Especially so if you think a 10 min. 120
megabyte file ain't no thing.
With a 1.5 megabit connection the download will take 10:40 - ASSUMING you
can use all your available bandwidth for the download (not going to
happen).
More realistically you will get
I'm not debating *anything* with you. :) You have some kind of
problem, and we're trying to find out how to solve it for you. Don't
interpret my questions to you as being against what you're saying.
I'm trying to understand it so I can give you an answer that helps you
out.
So far, my original
The effect of changing framerate isnt quite that straightforward, as
most web formats use temporal compression. Instead of each frame being
compressed in full, only keyframes contain the full image info. The
frames that arent keyframes, just contain info about what has changed
since the previous
The difference in framerate was HUGE for our show.
We do a lot of high energy, high velocity action footage.
I thought it looked good on 15fps, but then someone here said that
moving to 29.97 wouldn't double the file size, or double the bitrate
(I think it was you Elbows...). I did and our
Thanks for posting the comparison, the difference is certainly clear.
AS you know, you are benefiting a lot because youve got camera pans,
zoom fast motion going on, and all of those look nicer with the
higher framerate. Although all of those also reduce the efficiency of
temporal compression, so
-
From: videoblogging@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of wazman_au
Sent: Monday, April 23, 2007 1:29 PM
To: videoblogging@yahoogroups.com
Subject: [videoblogging] Re: Apple TV and iPod clash
Mike,
Great. How about sharing the secret with those of us who'd like
I can accept that as an alternative.
Instead of changing FPS, change the rate of keyframe appearance.
--
Bill C.
BillCammack.com
--- In videoblogging@yahoogroups.com, Steve Watkins [EMAIL PROTECTED] wrote:
The effect of changing framerate isnt quite that straightforward, as
most web formats
[mailto:[EMAIL PROTECTED] On Behalf Of wazman_au
Sent: Monday, April 23, 2007 1:29 PM
To: videoblogging@yahoogroups.com
Subject: [videoblogging] Re: Apple TV and iPod clash
Mike,
Great. How about sharing the secret with those of us who'd like to
encode the vids ourselves???
What sort
BTW, Today's http://Galacticast.com :
AppleTV version = 203 mb.
iPod version = 98 mb.
3gp version = 17 mb.
--
Bill C.
BillCammack.com
--- In videoblogging@yahoogroups.com, Andreas Haugstrup Pedersen
[EMAIL PROTECTED] wrote:
File size is always an issue. Especially so if you think a 10 min.
What matters is mb per min what's the math with division involved?
jen
On Apr 24, 2007, at 7:11 pm, Bill Cammack wrote:
BTW, Today's http://Galacticast.com :
AppleTV version = 203 mb.
iPod version = 98 mb.
3gp version = 17 mb.
--
Bill C.
BillCammack.com
--- In
Guys guys guys,
Are you really content with imposing such a bloated file format on
your viewers?
Does 120MB for a 10-minute episode seem reasonable, for example?
Not to me it doesn't, when it's about six times the size of what I've
been putting out so far - and when my source videos aren't
I have not used Export to iPod either, for the same reason.
My custom settings have worked fine for 320x240; it's the change to
640x480 that is the problem. In short, in QT Pro you can't do a
customised file at these dimensions that will work on the iPod -
because it requires the use of the
I see it as an expansion of the subject, to 'how to get round ipod
h264 640x480 issues and be in control of bitrate at the same time.
Ive already answered with more than enough waffle, I think you are
reliant on Apple changing something in future to make this possible
with quicktime, or use one
Oops that was supposed to read 'for 10 minutes footage'.
Also when it comes to whats 'fair' for viewers I certainly think its
unfair that there is so much dedication to providing compatibiltiy
with Apple devices compared with many other devices.
So for example I will report back when the XBox360
due
to demand.
Sent via CrackBerry
-Original Message-
From: Steve Watkins [EMAIL PROTECTED]
Date: Mon, 23 Apr 2007 01:29:38
To:videoblogging@yahoogroups.com
Subject: [videoblogging] Re: Apple TV and iPod clash
I think people stick to 4:3 most often because
Hey Steve,
I would not be entirely averse to using another encoder. I have tried
Videora iPod converter in the past with little success, but may give
it another go since there's a new version out.
I would also mess around with ffmpeg if I could find any for dummies
documentation - and an
, 2007 1:29 PM
To: videoblogging@yahoogroups.com
Subject: [videoblogging] Re: Apple TV and iPod clash
Mike,
Great. How about sharing the secret with those of us who'd like to
encode the vids ourselves???
What sort of file size are we talking? Let's talk megabytes per minute
at 640x480.
Waz
23, 2007 1:29 PM
To: videoblogging@yahoogroups.com
Subject: [videoblogging] Re: Apple TV and iPod clash
Mike,
Great. How about sharing the secret with those of us who'd like to
encode the vids ourselves???
What sort of file size are we talking? Let's talk megabytes per minute
Why exactly is it that you're worried about file size?
If you're talking about a 120mb file, and it's a 10-minute episode,
it's NOT going to take 10 minutes to download the 120 megs, so there's
no significant loss in the viewer's quality of experience.
Are you concerned that the file won't play
Bill, it all depends on the speed of your internet connection, now doesn't it?
The fact is I _am_ concerned about file size, and the bandwidth consumption
imposed on
viewers. And I also want to have control over the parameters of an exported
file. Whereas
you don't see the issue. So there's
Bill,
Can't see how that would work, because Apple TV syncs with iTunes on
your computer, which means your iPoddable feed.
You could have a separate feed but this would effectively be a
separate podcast - and would you expect your viewers to subscribe to both?
Waz
--- In
I guess the assumption would be that your viewers would subscribe to
one feed or the other, depending on which hardware they owned.
Its not ideal but it may be ideal for some viewers, depending on how
fussy they are about getting the best possible qualiy on their device.
Unfortunately these
Steve,
My plan at this stage is to have 640x480 going out in the feed (ie
iTunes) and 320x240 at the website. With the aid of Blip's multiple
file hosting!
I think people are more amenable to downloading large files in iTunes
because they let it download automatically or while doing something
Steve,
Can you do anything with this?
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2006-September/015930.html
Key line: Baseline Low-Complexity is something they made up. It
basically means Baseline with 1 reference frame.
Can this be dealt with within QuickTime?
I expect a knock on my
not sure if any posted this yet.. but this is from Apple:
---
Greetings from the iTunes Podcasting Team:
Apple TV is here, and podcasts are making a big move into the living room. We
want all of
them to look as good as possible, so we have three video formatting
recommendations for
you.
I think people stick to 4:3 most often because they are shooting in
that aspect ratio. And whilst its true that it seems a shame to waste
the screen real-estate of th widescreen devices out there, 16:9 stuff
on a 4:3 display like the built in ipod could also be seen as wastefu
and selfish because
Unfortunately I dont think so, I saw that stuff earlier when I was
searching, later in the conversation other people are disputing the
differences he discovered. There is a proper spec somewhere for what
low-complexity is but it doesnt help the quicktime issue, there simply
arent the options
for low and high speed networks due to demand.
Sent via CrackBerry
-Original Message-
From: Steve Watkins [EMAIL PROTECTED]
Date: Mon, 23 Apr 2007 01:29:38
To:videoblogging@yahoogroups.com
Subject: [videoblogging] Re: Apple TV and iPod clash
I think people stick to 4:3 most often
Steve: That's precisely what I was thinking. Subscribe to the feed
that works for you. http://JetSetShow.com , for instance has about 6
feeds.
Waz: Personally, if I were concerned about a video being playable on
iPods as well as AppleTV and having only one feed for the reasons you
mentioned, I'd
My video feed enclosures support ipod,iphone,itv and quicktime.. I just use
iPod .m4v
format. So in quicktime export to ipod and get a 640x480 video that anyone can
watch.
The only thing that *might be worth while to instead of .m4v would be .mp4
video that
you can play in all of apples
Thanks for the info!
(and I'll be sure to check the back of the projector for the right
connections before I buy!)
Bekah
--- In videoblogging@yahoogroups.com, Rupert [EMAIL PROTECTED] wrote:
Weird that. You'd think they'd be wanting to sell the home cinema
dream.
It will work fine. It
I'd gladly pick up some overtime to buy one of these puppies, but we
don't actually own a television set. Anyone know whether I can add
Apple TV to our lives with an InFocus digital projector?
I feel so strongly that it would work (that might just be the power
of The Wish) but the Apple site
Weird that. You'd think they'd be wanting to sell the home cinema
dream.
It will work fine. It has a component video out and standard RCA
audio outputs as well as HDMI, if you have compatibility for that on
your projector.
I got my brother in law kitted up with a Windows Media Center this
Nice writeup, Ryan.
Is anyone planning to change the specs on their videoblog because of
Apple TV? According to The Apple Store http://tinyurl.com/372a86,
it accepts H.264 up to 5Mbps at 1280x720 @ 24fps.
--
Bill C.
http://TheLab.ReelSolid.TV
--- In videoblogging@yahoogroups.com, Ryan Ozawa
Good call, Sull. I didn't even know about that. I went right to
quicktime player, and the option's right there. :/
--
Bill C.
http://ReelSolid.TV
--- In videoblogging@yahoogroups.com, sull [EMAIL PROTECTED] wrote:
I'm getting more interested since my friend blogged this point
Im guessing those sorts of resolutions and bitrates will cause files
to be too large for most to consider, so I doubt the masses will
change to a higher res/bitrate, but hopefulyl a few vlogs that
specialise in HD will offer such versions.
The stuff about 1280x only working at 24fps is a little
Be careful because there are a lot of projects that dont have DMI or
component inputs, depends how old they are and whether they were
designed for home cinema or business presentation projection.
The wii controller thing is going fine, just need a cheap USB
bluetooth dongle and a few bits of
That's kind of what I was thinking... that only the shows that are
already shooting in HD will bother with the spec at all.
--- In videoblogging@yahoogroups.com, Steve Watkins [EMAIL PROTECTED] wrote:
Im guessing those sorts of resolutions and bitrates will cause files
to be too large for
Oops sorry about the typos in that message, I meant projector and HDMI.
Oooh I wasnt at all interested in an Apple TV for myself due to not
wanting to have to reencode other formats before being able to watch
them, but the wikipedia entry for Apple TV has this line...
Shortly after Apple TV was
http://docs.info.apple.com/article.html?artnum=304974
--- In videoblogging@yahoogroups.com, J. Rhett Aultman [EMAIL PROTECTED]
wrote:
What resolution should we be resizing to if we want to work with Apple TV?
Gary Rosenzweig wrote:
On 3/25/07, Tim Street [EMAIL PROTECTED] wrote:
iTunes Store purchased video: 320 by 240 pixels or 640 by 480
pixels. Neither of which are widescreen, unless letterboxed.
320x240 must look not-very-great stretched out on a screen, unless
it's played at original size on black bg? Is it?
640x480 probably looks OK, does it - still a bit
The real question is have you watched LO-FI SAINT LOUIS on Apple TV
yet? Huh? Didn't think so.
--- In videoblogging@yahoogroups.com, Tim Street [EMAIL PROTECTED] wrote:
So has anyone got your mits on an Apple TV yet?
Do you like it?
Have you watched Rocket Boom or Ask a Ninja on Apple
--- In videoblogging@yahoogroups.com, sull [EMAIL PROTECTED] wrote:
also noteworthy via Zadi:
http://zadidiaz.com/blog/2007/03/jetset_on_appletv.html
sull
On 3/26/07, sull [EMAIL PROTECTED] wrote:
I'm getting more interested since my friend blogged this point
Here's the current text on encoding for iPod / Apple TV, from a
forthcoming version of the podcasting technical spec. Details may
change slightly, so check the technical spec page for anything new:
http://www.apple.com/itunes/store/podcaststechspecs.html
=
Formatting Video for the iPod or
Here's the current text on encoding for iPod / Apple TV, from a
forthcoming version of the podcasting technical spec. Details may
change slightly, so check the technical spec page for anything new:
http://www.apple.com/itunes/store/podcaststechspecs.html
=
Formatting Video for the iPod or
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