Transcoding only multichannel dsf files

[simoncn]

For multiple filters, you don't repeat -af but instead create a filter chain by connecting the filters with commas. The following should work:

convOut=-af "volume=+6dB, pan=5.0| c0=c0 | c1=c1 | c2=c2 | c3=c4 | c4=c5"