[Mp4-tech] Re: RE: AMR Speech Encoder

[sakthi narayanan]

Hi all,
 Can u give me the link for download the AMR Speech Encoder Standard
Documents with functional block diagram.
With Regards,
sakthi  
On Mon, 18 Apr 2024 Sassan Pejhan wrote :
>Hi Mayank,
>
>The headers for MPEG-4 Part2 and H.263 are defined
>in their respective specs (ISO/IEC 14496-Part 2 and ITU-T
>Recommendation H.263, respectively).
>
>The header sequences are not identical although MPEG-4 Part2
>is backwards compatible with H.263 baseline (i.e. the 1996
>version of H.263 which did not include additions in the
>later H.263+ and H.263++ versions) - and is referred to
>as VOP Plane with Short Headers in the MPEG-4 specs.
>
>For code on packing MPEG-4 bitstreams into RTP packets
>per RFC 3016, take a look at the MPEGIP web page
>(www.mpeg4ip.net). You may also want to look at the ISMA 1.0 specifications (avaliable from www.isma.tv) for more elaborate documentation.
>
>Regards,
>Sassan
>
>-----Original Message-----
> From: mayank agarwal [mailto:may_ank77 yahoo.com]
>Sent: Sunday, April 17, 2024 9:06 PM
>To: mp4-tech lists.mpegif.org
>Subject: [Mp4-tech] MPEG4 header
>
>
>
>Hi all,
>  I have the following doubts regarding MPEG-4 header
>1.What is the standard header bit sequence of MPEG4
>visual simple profile.
>2.Is header for MPEG-4 video or H.263 is same or
>different.
>3.Is header in encoded bit stream of MPEG-4 same for
>frame based encoding and packet based encoding.
>4.What is the standard bit sequence of header of H263.
>
>How to convert the frame based encoding in MPEG4 to
>packet based encoding according to RTP rfc 3016 format
>Is there any document or code sequence available which
>tells how to do that.
>
>         Many thanks in advance.
>                                   Regards,
>                                   Mayank
>
>
>
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