On Sat, 19 Jan 2019 11:05:37 +0000 (UTC) Long Wind <longwind2@yahoo.com> wrote: > thanks! > pulseaudio caused trouble for some recording program in the past, i > have removed it. > > cli for aumix doesn't seem to be able to do such job.i think amixer > in alsa-utils can do > Alsamixer in a terminal does it for me. -- Joe