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Apple's Got a New Video Format: iFrame
Giz Explains: Every Video Format You Need to Know

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ericpete
10/13/09

In reply to Apple's Got a New Video Format: iFrame
So, did anyone else notice that it is 1/4th of a 1080p frame? (1/2 width and height)

Odd.
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dagamer34
10/13/09

@ericpete:

Yep, that's the same resolution that HD discs allow when a Bluray PC player is connected to a non-HDCP display.
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deanbmmv
10/13/09

In reply to Apple's Got a New Video Format: iFrame
What was wrong with MOV?

Also why 540p? Thats like the ginger kid of 1080i

Currently this new 'standard' is sounding unnecessary.
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drakino
10/13/09

@deanbmmv: MOV is just a container, like AVI, MKV and so on. You have to put some sort of video (In this case h.264) and audio (AAC) into it.
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deanbmmv
10/13/09

@drakino: And iframe is also a container...for the same codecs too.
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drakino
10/15/09

@deanbmmv: It's more then a container, it's a branding and fixed settings of the H.264/AAC codecs. Devices and software can say they are iFrame compatible to help avoid confusion on if something will work with something else.

If it works or not, only time will tell. Basically think of it like MP3. That name became the easier way of knowing if something worked with MPEG1 Layer 3 Audio encoded at a constant bitrate up to a maximum of 320kbit. #iframevideo
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aec007
10/13/09

In reply to Apple's Got a New Video Format: iFrame
Personally, I think there nothing better in quality and file size (when comparing bitrate,fps and image size) than good'ol MPG2.
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deanbmmv
10/13/09

@aec007: Mpeg 4?
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Monty
10/13/09

In reply to Apple's Got a New Video Format: iFrame
Isn't the question whether this really is a new standard that Apple just "made up", or because it is based on other industry standards does that make it an industry standard by default? Confused yet? I am.
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jamjen
10/13/09

@Monty: Sounds like it's a standardized standard. Using H.264 at a specific res. H.264 does not have a standard res
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kingbob337
10/13/09

In reply to Apple's Got a New Video Format: iFrame
This is stupid. Why not make it 720p?
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OrenDolabella
11/20/08

In reply to Giz Explains: Every Video Format You Need to Know
"(All of the MPEG codecs we talk about, btw, will have an associated layer, since the video section is only part of the full standard, which includes audio and other stuff. MPEG-1 Layer 3, you probably know, is MP3.) "

You've got the wrong terminology there buddy. Part 2 of the MPEG-1 specification is indeed for video and part 3 is for audio, but part 3 and layer 3 are not the same. The MPEG-1 Part 3 audio specification includes three layers of audio formats, layers 1, 2 and 3 â each one building upon the other. Thus, layer 3 includes all the elements of layers 1 and 2 plus some new stuff. This is actually a bit inefficient because of the layering, but it was ultimately decided to implement the specification in this manner to allow for the greatest compatibility. The OGG audio codec is actually very similar to MP3, just without the layer 1 and 2 compatibility â hence it is marginally better than MP3.
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matt buchanan
11/20/08

@OrenDolabella: No they're not. The layer/part mixup was an editing error. I swear I had it right originally!
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scarbrtj
11/20/08

In reply to Giz Explains: Every Video Format You Need to Know
All the Blu-ray AVC, VC-1, and MPEG-2 codecs are wrapped inside MPEG-2 transport stream containers (.m2ts). The HDDVD VC-1 and AVC codes were wrapped inside .EVO containers.
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Curves
11/20/08

In reply to Giz Explains: Every Video Format You Need to Know
I just want to find a free converter from AVI to MP4 since AVIs are too big to e mail and I am too lazy to look.
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TechSurfer
11/20/08

@Curves: free converter on what OS?
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Curves
11/20/08

@TechSurfer: I am a self confessed WinXP lover. I am seeking help and the fanbois are trying to convert (pervert) me, but so far, I am still a PC.
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Jrsy Devil's Advocate®
11/20/08

@Curves: 'PC' as in...

Pretty Cool

Poetically Curvacious

Perfectly Capable

Perversely Corrupt

Pleasant Company

I could go on but I'm sure you've heard, or read enough already.... ;)
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ripfire
11/20/08

@Curves: You can use Media Encoder 9 to create WMVs.
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Geisrud
11/20/08

In reply to Giz Explains: Every Video Format You Need to Know
Luv me some giz 'splains goodness.
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combat chuck
11/20/08

In reply to Giz Explains: Every Video Format You Need to Know
Mmm... pancakes.
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ripfire
11/20/08

@combat chuck: Now this I can agree on!
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teexcue
11/20/08

In reply to Giz Explains: Every Video Format You Need to Know
Can we please stop using the mkv container? It's the most resource hungry format I've ever encountered. Thus, it ends up taking ~100min to convert an hour of HD video to play on the Apple TV. And Boxes can't even handle mkv files.
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scarbrtj
11/20/08

@teexcue:
MKV has nothing to do with your encoding/transcoding times. It's just a wrapper, or container. What governs your computational time is what's inside that wrapper. Admittedly, most MKV files on the web contain heavily compressed H264 video streams, which are very resource-intensive. But, that's not MKV's fault. If the MKV file were to contain an equivalently long and resolutioned MPEG-2 stream, it would be much faster to convert.
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dc-united
11/20/08

In reply to Giz Explains: Every Video Format You Need to Know
Nice article. Great summary.
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EBone
11/20/08

@dc-united: Agreed. Nice article.
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xsecretfiles2
11/20/08

In reply to Giz Explains: Every Video Format You Need to Know
I love my .avi files!
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Eruanno
11/20/08

@xsecretfiles2: I love my .mkv files, because that means I can turn off those annoying subtitles without having to have a separate file.

Also, they are usually at a better quality than those shabby .avi's (of course, all my .mkv's usually say 720p so that's probably why xD)

Oh, also. VLC laughs at those codecs! In a smug, french way. No-ho-ho-ho!
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ripfire
11/20/08

@Eruanno: How would a container format affect quality? Did you not read the article?
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