Quote:
Originally Posted by Anakunda
Maybe someone else can explain why the 8channels aac sound so distorted.
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As mentioned in the comment by Boulder, you need to make sure that isn't just your decoder making things sound ugly. Aside from that, I propose that you separate your command line into two steps and use an intermediate WAV file and play that back to verify that it's not eac3to that's making your audio sound ugly (remove the -full switch if you don't have enough free space).
Code:
eac3to "Source.dtshd" "Intermediate.wav" -normalize -full
qaac --ignorelength -o "Destination.m4a" "Intermediate.wav"
Also, I don't know how qaac works, so make sure that it's getting the input it expects (e.g. don't give it floating point data when it expects integer).