[FFmpeg-user] MXF encoding, right audio channel delayed

Alex doenerbudenchef at yahoo.de
Thu Oct 9 13:05:26 CEST 2014

I have a big problem: We use ffmbc to encode proes files to mxf with
dedicated mono audio channels:

-ss 00:00:00 -i "<FullSourceFileName>" -target xdcamhd422 -an
"<OutputPath><OutputFileName>_MXF.mxf" -acodec pcm_s24le -ar 48000 -newaudio
-acodec pcm_s24le -ar 48000 -newaudio -map_audio_channel 0:0:0:0:1:0
-map_audio_channel 0:0:1:0:2:0

I have noticed that the right audio channel is delayed by 1586 samples, or
about 38 ms. Why does this happen? Is there any chance to fix this issue
without reencoding the complete file?


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