> > There is a multi-channel bus. Inputs files (-i) are written to the bus > > and output files (-o) are read from the bus. Bus channels are numbered > > from 0 to the greatest channel of all files. The per-file -c option > > specifies which channels of the bus the file will provide or consume. > > Thank you. The following diff attempts to add a short explanation > along these lines to the manpage. (Is it to wordy?)
Sorry, stray left-over line removed now. Index: aucat.1 =================================================================== RCS file: /cvs/src/usr.bin/aucat/aucat.1,v retrieving revision 1.114 diff -u -p -r1.114 aucat.1 --- aucat.1 24 Apr 2017 06:47:41 -0000 1.114 +++ aucat.1 11 Feb 2020 06:45:55 -0000 @@ -79,10 +79,17 @@ The options are as follows: The buffer size of the audio device in frames. Default is 7680. .It Fl c Ar min : Ns Ar max -The range of audio file channel numbers. -The default is -.Cm 0:1 , -i.e. stereo. +The range of audio channels. +For input files, these are the channels the file contributes +to the global multi-channel bus; +for output files, these are the channels the file consumes. +If the file header specifies a number of channels, +.Nm +will use that by default. +Otherwise, +.Cm 0:1 +is the default. .It Fl d Increase log verbosity. .It Fl e Ar enc
