MPEG1+MPEG2+H.264+AAC specification download

1.Encoding/Decoding MPEG1

4.AAC specification can download from

(this is the Third edition. 2004-10-15 ):

detail explaination is:

ISO/IEC 13818-7 Part 7: Advanced Audio Coding (AAC)

the lastest version is 2006

but we could not find the free one on internet,but only find another version :

Third edition 2004-10-15

the full name is :

Information technology — Generic coding of moving pictures and associated audio information — Part 7: Advanced Audio Coding (AAC)

its download address:

also ,above page ,you can download other specification :

that is :

[ ] 13818-7.pdf             27-Jan-2005 15:33 1.2M
[ ] 14496-3.pdf             27-Jan-2005 15:33   52M
[ ] 14496-10.pdf            27-Jan-2005 15:33 1.9M
[ ] CM_product.pdf          27-Jan-2005 14:51   13M

you can see many other specification lists of ISO/IEC in this page:

5.Other MPEG related meterials can be accessed in:

6.and H.222 H.264 and so on ,you can access and download in :

7. reference MPEG encoder and decoder ,you can access and download from :

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