[FFmpeg-user] How to correctly set "-audio_service_type hi"?

[Mark Filipak]

On 11/22/2019 06:05 AM, André Weidemann wrote:
> Hi,
> 
> I'd like to transcode a TS file containing several streams. There is one 
> video, 3 audio and one subtitle stream.
> 
> I'm using ffmpeg version 3.4.6-0ubuntu0.18.04.1
> 
> One of the audio streams is descriptive audio for the hearing impaired.
> Now I'd like to mark it as such in the newly created mkv file. ffmpeg 
> only flags the subtitle stream as hearing impaired, but this was marked 
> in the input file already...
> 
> Does anyone know how to specifiy the stream that should be marked?
> I'd like to mark stream 0:2.

Hi André,

Not an ff solution, but I've successfully changed the names of '.mkv' 
audio & subtitle streams with a tool named MKVToolNix.

HTH,
Mark Filipak.