[Mp4-tech] [HE-AAC]PS syntax requirements

[Schneider, Andreas]

Hi Andy,
For PS all conctraints on the bitstream elements are in conformance (14496-4:2004 / Amd.11) and corrigenda 1 and 3.
/Andreas
Andreas Schneider
Staff Customer Support Engineer
Dolby Germany GmbH
Deutschherrnstr. 15 - 19            
90429 Nuernberg, Germany           
http://www.dolby.com
+ 49 911 928 91 - 26 (phone)
+ 49 911 928 91 - 99 (fax)
mailto:Andreas.Schneider dolby.com
HRB 17557, Amtsgericht Nürnberg,
GF: Dipl.Ing. Martin Dietz (Managing Director)   
> -----Original Message-----
> From: mp4-tech-bounces lists.mpegif.org 
> [mailto:mp4-tech-bounces lists.mpegif.org] On Behalf Of Andy Quan
> Sent: Tuesday, May 27, 2024 3:11 PM
> To: mp4-tech lists.mpegif.org
> Subject: [Mp4-tech] [HE-AAC]PS syntax requirements
> 
> All,
> I am reading through AAC+v2 ISO specification (ISO/IEC 14496-3 AMD 2).
> Are there any chapters explaining requirements that 
> legal/compliant PS bitstream must follow like data range of 
> certain syntax, dependency between 2 values or assert conditions.
> 
> I need these requirements to enable my codec's capability of 
> illegal stream detection. Actually I have done this for the 
> SBR part according to 4.6.18.3.6 in 14496-3 AMD 1. So I just 
> think there must be the same thing in PS specification but 
> have not found yet. (Hope I am not reading the wrong documentation:))
> 
> Thanks in advance.
> 
> --
> Regards,
> Andy Quan
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