[Mp4-tech] Regarding HE AAC

Mon Feb 9 12:05:22 EST 2004

Dear Mihir,
"Mody, Mihir" wrote:
> 
> Hi,
> 
> Does any one know when ISO specs will get updated for conformance test
> vectors (ISO/IEC 14496-4) and reference software (ISO/IEC 14496-5) of
> HE AAC profile of MPEG4?
> 
> Regards,
> Mihir

For the latest status of MPEG specs under development, see "Programme of
Work allocated to WG11" on http://www.sc29.org/ ... which currently
lists:
MPEG-4 Part 5: Reference software AMENDMENT 6: Advanced Video Coding and
audio SBR reference software
ISO/IEC 14496-5:2001/PDAM 6
MPEG-4 Part 4: Conformance testing AMENDMENT 8: Conformance sequences
for  bandwidth extension, BIFS and structured audio
ISO/IEC 14496-4:200X/PDAM 8
As you can see, both docments are in "PDAM" status at the moment (with
the drafts available for download from sc29.org). The next draft, i.e.
FPDAM, of the reference software was just completed and will likely be
available on sc29.org very soon. A draft version of the actual
conformance bitstream set for HE-AAC is expected to be available on
ftp://mpaudconf:[email protected]/ prior to the next MPEG meeting
mid March in Munich.
Best regards
     Heiko
_______________________________________________________________________
Heiko Purnhagen                    |
Senior Research Engineer           | Coding Technologies
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