it is bug in pa mixing. the mono should be 0.5 of left and 0.5 of the right channel
thread.gmane.org/gmane.comp.audio.pulseaudio.general/13415
D: [pulseaudio] module-device-restore.c: Database contains invalid data for key: sink:alsa_output.pci-0000_04_02.0.analog-mono:null D: [pulseaudio] module-suspend-on-idle.c: Sink alsa_output.pci-0000_04_02.0.analog-mono becomes idle, timeout in 5 seconds. I: [pulseaudio] resampler.c: Forcing resampler 'copy', because of fixed, identical sample rates. D: [pulseaudio] resampler.c: Channel matrix: D: [pulseaudio] resampler.c: I00 I01 D: [pulseaudio] resampler.c: +------------ D: [pulseaudio] resampler.c: O00 | 1.000 1.000 I: [pulseaudio] remap.c: Using generic matrix remapping
it is bug in pa mixing. the mono should be 0.5 of left and 0.5 of the right channel
thread. gmane.org/ gmane.comp. audio.pulseaudi o.general/ 13415
D: [pulseaudio] module- device- restore. c: Database contains invalid output. pci-0000_ 04_02.0. analog- mono:null suspend- on-idle. c: Sink pci-0000_ 04_02.0. analog- mono becomes idle, timeout in 5
data for key: sink:alsa_
D: [pulseaudio] module-
alsa_output.
seconds.
I: [pulseaudio] resampler.c: Forcing resampler 'copy', because of
fixed, identical sample rates.
D: [pulseaudio] resampler.c: Channel matrix:
D: [pulseaudio] resampler.c: I00 I01
D: [pulseaudio] resampler.c: +------------
D: [pulseaudio] resampler.c: O00 | 1.000 1.000
I: [pulseaudio] remap.c: Using generic matrix remapping