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Activity Forums Compression Techniques Convert MOV. to AVI

  • Daniel Low

    May 20, 2010 at 9:44 pm

    H.264 is a video codec. AAC is the audio part. Although you can wrap H.264 + AAC in AVI it’s not recommended.

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  • Susan Forste

    May 20, 2010 at 10:04 pm

    Well, unfortunately, I’m not in a position to influence what they’re doing, but I’d like to know what you would recommend. Also, can you recommend what software to use (even for a suspect conversion)?

    Thanks, I appreciate your responses.

  • Craig Seeman

    May 20, 2010 at 10:51 pm

    A radio site using AVI online?
    I’d use MP3. maybe AAC, maybe WMA

    If they’re saying H.264 for audio in an AVI wrapper you’d better be in a position to tell them what to do or you may find yourself in the position to be blamed.

    I’d consider Telestream Episode or Sorenson Squeeze.

  • Daniel Low

    May 20, 2010 at 10:52 pm

    It’s not a question of influencing what they are doing, it’s a question of asking them what they are doing and what they need to enable them to do it!

    If I asked you to ‘fix this problem’, what would your answer be?

    You haven’t even told me what computer system you have/use or what they use or what the video is for or what format of video you work with, what frame size, frame rate, data rate, PAL or NTSC etc etc etc

    How am I ever going to even start to help you if you don’t give me any information whatsoever!

    __________________________________________________________________
    Sent from my iPad Nano.

  • Daniel Low

    May 20, 2010 at 11:02 pm

    [Craig Seeman] “I’d consider Telestream Episode or Sorenson Squeeze. “

    Don’t bother with Squeeze IMHO.

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  • Craig Seeman

    May 20, 2010 at 11:08 pm

    Well I was just trying to be fair. Squeeze does some things OK . . . some things.

  • Susan Forste

    May 21, 2010 at 12:02 am

    I’ve been asked to make brief intro and closing video segments for a streamed radio show. (Although it’s a radio show, it’s also videotaped.) My segments will be integrated with the live video by the producer of the show. I asked the producer the requirements for the video segments, and he said he needs 340×280 AVI files and that they are using the H.264 codec. I’m a Mac user and haven’t dealt with AVI files until now, so I’m just trying to find out how one goes about converting to AVI. What I was expecting was a software recommendation. And I didn’t think you’d need to know so many details for that purpose.

    I’m using Final Cut on a Macbook Pro running 10.5.8. The format will probably be HDV at 29.97.

  • Craig Seeman

    May 21, 2010 at 2:28 am

    [Susan Forste] ” he said he needs 340×280 AVI files and that they are using the H.264 codec.”
    It sounds like pieces to a jigsaw puzzle but you may be turning it into scrambled eggs.

    My guess he’s EDITING in AVI wrapper and STREAMING with the H.264 codec. Unless you find out all WE can do is GUESS.

    I’d still recommend Telestream Episode but unless someone fills in the blanks, you’ll be blamed for not delivering what he needs. Episode can do MPEG4 AVI but I don’t know what does H.264 AVI.

    It might be easier to ask what program he’s using to do the editing. They you can find out what codecs it can handle.

    See this
    https://en.wikipedia.org/wiki/Comparison_of_container_formats
    and does say

    AVI
    Almost anything through VFW; H.264/AVC is problematic due to the limited B-frame support[4]
    [4] Through an updated x264/ffdshow filter it is possible to view H.264 in an AVI file.

    See this too
    https://forums.animesuki.com/showthread.php?t=34490
    excerpt of question

    … was happy/interested to see that more releases were coming out in h.264. However, upon checking some of them out, I’m seeing that a number of them are h.264 inside of an .avi container.

    … I’ve read has said that putting MPEG4 AVC into .avi can be bad news a lot of the time, and from what I know, I can’t understand why anybody would use .avi over .mp4, as it offers no outright benefits (that I’m aware of) and .mp4 is the official container for h.264.

    and some responses

    The reason for H.264 in AVI? Unfortunately there isn’t one. It is just plain newbosity working at its best. For any groups that you find releasing H.264 in AVI be sure to show them your full disapproval and constant scornful remarks
    …..
    Personally I think it’s a really dumb idea.
    …..
    There is no reason for it other than ignorance. Either ignorance on the part of the encoder, or ignorance on the part of the leechers that the group is trying to avoid.
    …..
    one contributing reasons as to why people put h264 in AVI seems to be that they don’t know what’s wrong with it – after all, to the casual user it seems to work well enough. In fact, the only h.264 feature that really doesn’t fit into AVI is the b-pyramid. So to the newbies, it seems to work fine – in their view, H.264 is just another codec that should work in AVI.
    The fact that most features do “work” in AVI is not a reason to use it, however… H.264 in AVI is still evil, still prone to breakage, and just plain WRONG, no matter what the VfW trolls on doom9 think about it.
    …..
    Another reason might be ignorance/newbness. Not all encoders know that H.264 in AVI (or rather H.264 hacked for VfW compatability) is bad.

  • Craig Seeman

    May 21, 2010 at 2:33 am

    Well Perian will play H.264 AVI on Mac.

  • Carlos Giraldo

    May 22, 2010 at 2:35 am

    just try the free aplication “MPEG STREAMCLIP”

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