[FFmpeg-user] wav concat woes

[Moritz Barsnick]

On Mon, Apr 28, 2014 at 07:24:14 +0100, RDP wrote:
> >> > cat 01_list.txt
> >> > file '01/01.01_test.wav'
> >> > file '01/01.02_test.wav'
> >> > file '01/01.03_test.wav'
> >> > file '01/01.04_test.wav'
> >> >
> >> > ffmpeg  -f concat -i 01_list.txt -vn -c:a libfdk_aac    -profile:a aac_he
> >> > -b:a 48k -ac 1 -signaling implicit    test2.m4a 2> ffmpeg.out
> >> > And I can run the command on each individually.

> I was specifically targetting the quoted use of the cat command here,
> not ffmpeg.
> cat does exactly what it says on the tin, i.e. joins files together.
> cat does not diffentiate between types of file, other than text and
> binary, and therefore has no knowledge of format of a wave file.

Chris, where do you see the use of 'cat' to combine files in the
original request? Sean used 'cat' only to show the content of the file
handed to ffmpeg's concat muxer. It's all about ffmpeg here.

Moritz