[M4IF Technotes] Regarding AMR data in 3GPP file format

Dave Singer singer apple.com
Wed Mar 5 14:45:34 EST 2003


At 01:07 +0530 3/6/03, Mody, Mihir wrote:
>Hi,
>
>Does any one knows the AMR data format in 3GPP file? Is it AMR 
>Interface Format 1 (AMR IF1) or  AMR Interface Format 2 (AMR IF2) ? 
>I think, it is AMR IF2 as per TS 26.101.  Can anybody  confirm it?

check the specs on the 3G web site 3gpp.org and the IETF RTP payload 
format;  3G uses 'storage format' as defined in the RTP spec. as the 
format stored in 3GPP files.
>
>Regards,
>Mihir Mody,
>Imaging and Audio group,
>Texas Instruments Inc.

-- 
David Singer
Apple Computer/QuickTime
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