Fw: RE: [Mp4-tech] pce() byte alignment inside LOAS/LATM

[Alexander Groeschel]

Hi,
no; the byte alignment is relative to the beginning of the 
AudioSpecificConfig() containing the PCE.
This has been unclear in the standard but was corrected (or is about to) 
in 14496-3, Subpart 4.
best,
alex.
mp4-tech-bounces lists.mpegif.org wrote on 07/12/2023 06:18:28 AM:
> Hello,
> 
> The PCE is byte-aligned relative to the starting of the header(LOAS/LATM
> starting point).
> 
> Regards,
> Ameet U Kalagi
> 
> -----Original Message-----
> From: mp4-tech-bounces lists.mpegif.org
> [mailto:mp4-tech-bounces lists.mpegif.org] On Behalf Of Danijel Domazet
> Sent: Tuesday, July 10, 2023 9:47 PM
> To: mp4-tech lists.mpegif.org
> Subject: [Mp4-tech] pce() byte alignment inside LOAS/LATM
> 
> 
> Hi,
> Another question related to the byte alignent inside LOAS/LATM transport
> for 
> AAC audio:
> 
> program_config_element() (pce for short) is called somewhere within 
> LOAS/LATM. pce() is byte-aligned at its end.
> 
> Can someone explain if this alignment is related:
> 
> 1.) only to the bits inside pce()
> or
> 2.) to the LOAS/LATM starting point?
> 
> 
> Thanks,
> Danijel Domazet
> 
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_________________________________
Alexander Gröschel
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