Hi,
I have a RME Digiface USB as input to my Mac. This has 32 SPDIF input
channels, of which the first two have an ac3 signal and the others are
not used.
I have been trying to isolate and decode one of the ac3 channels to its
six separate PCM channels but without success.
For example, as one of the many attempts, I tried:
ffmpeg -acodec ac3 -f avfoundation -capture_raw_data true -i :1 \
-map_channel 0.0.0, \
-af 'pan=5.1|c0=c0|c1=-|c2=FC|c3=LFE|c4=BL|c5=BR' \
output.wav
Can someone help me with this?
- Fred
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