[FFmpeg-user] Error decoding DTS-HD MA audio files

[rfischer56 at gmail.com]

Password is 'homer'
Sorry

-----Original Message-----
From: ffmpeg-user <ffmpeg-user-bounces at ffmpeg.org> On Behalf Of Paul B Mahol
Sent: Friday, 26. August 2022 17:21
To: FFmpeg user questions <ffmpeg-user at ffmpeg.org>
Subject: Re: [FFmpeg-user] Error decoding DTS-HD MA audio files

On Fri, Aug 26, 2022 at 4:12 PM <rfischer56 at gmail.com> wrote:

> Hello
>
> Am trying to extract DTS-HD MA audio files from the following Blu-Ray 
> (which I physically purchased)
>
> KARL RICHTER - J.S. Bach: Cantatas - Pure Audio Recordings < 
> https://pureaudiorecordings.com/en/product/karl-richter-j-s-bach-canta
> tas/
> >
>
>
> I am getting the same result both with DVDAE and with MakeMKV / MMH 
> which I believe both use ffmpeg to extract DTS-HD MA. About 80% of the 
> tracks are correctly extracted to 24/192kHz files and around 20% of 
> the tracks are extracted to 24/48kHz files which play back at ¼ speed. 
> I then corrected the speed using
>
>
>
> ffmpeg -i 1.flac -af asetrate=192000 2.flac
>
>
>
> This now works on some of my playback equipment. However when I launch 
> playback of a converted file, it shows 0/192kHz for around 5 seconds 
> and only then locks to the 24/192kHz stream and plays back. This 
> happens with files that were correctly extracted to 192kHz and to 
> those that I had to speed up after the fact. So there seems to be 
> something fundamentally wrong with the ffmpeg extraction of this 
> BluRay
>
>
>
> I have prepared some sample files on one drive
>
> https://1drv.ms/u/s!AmpEbEYrlrk5lWGskTYvPp0iv4L3?e=U7kCRC
>
> Chapter 4 extracts correctly to 192kHz
>
> Chapter 5 extracts to 48kHz
>
> Both flac extract to not play back correctly on dCS Rossini
>
>
>
> Could you please take a look at this? Thanks a lot
>
>
File is password protected.


> Rudi
>
>
>
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