[Matroska-users] codec id for AMR

Kao minglinkao at instekdigital.com
Tue Mar 22 08:17:57 CET 2011

Thanks for your anwser.

I'v tried to use "A_AMR/NB" and "A_AMR" as codec ids to mux amr stream.  But
both of them can't be played by "Media Player Classic" (K-Lite Codec Pack

Moreover, I am not sure if I did everything right because amr codec is not
mentioned in the document of codec private.(http://haali.su/mkv/codecs.pdf)

Ming-Lin Kao

----- Original Message ----- 
From: "Steve Lhomme"
Sent: Sunday, March 20, 2011 6:45 PM

What happens when you try to mux such a file in Matroska using ffmpeg ?

If it doesn't use anything (or work) I'd vote for "A_AMR/NB" and
"A_AMR/WB" (apparently WB+ is compatible with WB).

2011/3/18 Kao :
> Hi all,
> I am trying to pack A/V streams into a .mkv file with libmatroska. But I
> don't know how to handle AMR audio. I don't find any "audio codec id" for
> AMR. How could I do for this?
> Thanks in advance.
> Ming-Lin Kao
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Steve Lhomme
Matroska association Chairman

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