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Principher
11th September 2006, 09:59
As I am working on an MPEG-4 project, I need some documentation... In that respect, I need some texts for the parts I am going to use.

More precisely I am working with MPEG-4 Streaming Text, however I have a problem finding information on this. Of course there are the ISO documents, but I would like something simpler to start out with.

I have been looking for a good book on MPEG-4 in general, but am in doubt which one is best. Any recommendations? Are there any books which also explain subtitles?

For later use, anybody know which ISO documents are needed for a complete understanding of MPEG-4 subtitles? Ofcourse 14496-17 is needed, but are others needed as well?

ac-chan123
12th September 2006, 06:21
Search at the JTC1/SC29/WG11 Motion Picture Expert Group's Homepage for Darfts (http://lucia.itscj.ipsj.or.jp/itscj/servlets/ScmDoc10?Com_Id=29). Also Chiariglione his Homepage have some Documents (e.g. http://www.chiariglione.org/mpeg/working_documents.htm) and becouse MPEG4 Timed Text based on 3GPPs Timed Text Format you can also read her docs on http://www.3gpp.org/ftp/Specs/html-info/26245.htm.

All this is easy to find use the FAQs by Bond or the forums search engine. :mad:

PS: Sorry that i haven't name a Book but i hope the Specifications help the same way ;)

Principher
12th September 2006, 07:08
Thanks for the answer ac-chan123.

I already have several of the draft versions, and they have given me some idea as to how it works. However there are some of the more fundamental things, which I cannot seem to find an answer to in these documents, such as: Are the subtitles multiplexed into the file as a seperate stream, or are they a part of the mpeg-4 Visual?

About the Bond FAQs... Where are they? I have tried searching for FAQ, with bond as user, but get no entries.

I have found a book which I think may be a good starter, "The MPEG-4 Book" (that is the title) is it any good? People seem like it. Can't seem to find out how technical it is, or if it is simply a guided tour through the various parts of mpeg-4...

Selur
12th September 2006, 07:13
http://forum.doom9.org/showthread.php?t=62723

ac-chan123
12th September 2006, 08:16
Read MPEG4 Part1 System. That is the general overview of MPEG4. Every Content get there one streeam in Part 1 is a list of which content type get a streamid in which range. On this way it is easy to they the streamid n is audio or video or picture or metainfo or timed text or what else(there are also private, that can be used "free" for none standard content e.g. jpeg pictures in mp4, abnd reserved ids for future definations e.g. Part10 was).
Also MPEG published an overview(one for every standard). For MPEG4 see http://www.chiariglione.org/mpeg/standards/mpeg-4/mpeg-4.htm

Principher
12th September 2006, 08:38
Thanks both of you. Now to read the FAQ and read the Systems documentation.