[Mp4-tech] 20 bits in AAC

[Regis Rossi A. Faria]

Dear Schuyler,
Thanks for the references. ;)
I wonder if there is an interest or not moving towards 20 bit (or 
higher) quality for next generation of codecs, for consumer applications.
Regards,
Regis
Schuyler Quackenbush escreveu:
> Dear Regis,
>
> The AAC specification does not by itself set an output word length, in that it is not a bit-exact decoding specification. The MPEG-2 and MPEG-2 Conformance specs for AAC do discuss a procedure to follow to claim that a decoder has "N-bit compliance" as far as output word length.
>
> Best,
> Schuyler
>  
> ----- Original Message ----
> From: Regis Rossi A. Faria <regis lsi.usp.br>
> To: Mp4-tech Audio <mp4-tech lists.mpegif.org>
> Sent: Wednesday, August 22, 2023 11:43:58 PM
> Subject: [Mp4-tech] 20 bits in AAC
>
> Hi all,
>
> I have not found in MPEG-4 AAC references to sample bit depth, does 
> anyone can help provide references and information on restrictions and 
> bit depth implementation guidelines regarding 20 bits and more?
>
> Thanks in advance,
>
> Regis R A Faria
> LSI-TEC/LSI-Univ. Sao Paulo
> _______________________________________________
> NOTE: Please use clear subject lines for your posts. Include [audio, [video], [systems], [general] or another apppropriate identifier to indicate the type of question you have.
>
> Note: Conduct on the mailing list is subject to the Antitrust guidelines found at http://www.mpegif.org/public/documents/vault/mp-out-30042-Antitrust.php
>
>
>
>