[FFmpeg-user] [ffmpeg-user] Transcode to high bitrate of Dolby TrueHD or DTS-HD Master

Andy Furniss adf.lists at gmail.com
Mon Jan 5 20:53:24 CET 2015

Xuebing Wang wrote:
> Hi community,
> ffmpeg options are a bit daunting for me. Can anyone teach me how to
> transcode to high bitrate of Dolby TrueHD or DTS-HD Master?
> I download testing samples from here:
> http://www.demo-world.eu/2d-demo-trailers-hd/
> Cavalcade (Lossless) (DTS-HD MA 5.1), ffplay can play it with no
> problem, ffplay shows its audio bitrate is 1536 kb/s.
> Can someone teach me how to transcode this .m2ts file to high
> bitrate audio (e.g. max 24.5 Mbps for 5.1 channels, 192k sampling
> rate, 24 bits, 5.1 channels) (i: still attain the video stream, ii,
> audio only)?

There isn't support for DTS-HD MA currently. ffmpeg/play will use the
normal DTS core.

TrueHD is supported, though I think you will get full dynamic range,
which is not ideal. The same seems to be true for DTS.

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