" it is pulseaudio resampler mix I00 and I02 for O02 ( 37.895| 0.000) D: [pulseaudio] resampler.c: Resampler: ( 37.895| 0.000) D: [pulseaudio] resampler.c: rate 44100 -> 44100 (method copy) ( 37.895| 0.000) D: [pulseaudio] resampler.c: format s16le -> s16le (intermediate s16le) ( 37.895| 0.000) D: [pulseaudio] resampler.c: channels 2 -> 3 (resampling 2) ( 37.895| 0.000) D: [pulseaudio] resampler.c: Channel matrix: ( 37.895| 0.000) D: [pulseaudio] resampler.c: I00 I01 ( 37.895| 0.000) D: [pulseaudio] resampler.c: +------------ ( 37.895| 0.000) D: [pulseaudio] resampler.c: O00 | 1.000 0.000 ( 37.895| 0.000) D: [pulseaudio] resampler.c: O01 | 0.000 1.000 ( 37.895| 0.000) D: [pulseaudio] resampler.c: O02 | 0.500 0.500 ( 37.895| 0.000) I: [pulseaudio] remap.c: Using generic matrix remapping ( 37.895| 0.000) D: [pulseaudio] resampler.c: lfe filter activated (LR4 type), the crossover_freq = 120Hz as surround21 seem copy LFE to channel 2 and 3, 0.189| 0.000) I: [pulseaudio] alsa-sink.c: Using hardware mute control. ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: snd_pcm_dump(): ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: Route conversion PCM ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: Transformation table: ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: 0 <- 0 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: 1 <- 1 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: 2 <- 2 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: 3 <- 2 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: Its setup is: ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: stream : PLAYBACK ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: access : MMAP_INTERLEAVED ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: format : S16_LE ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: subformat : STD ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: channels : 3 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: rate : 44100 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: exact rate : 44100 (44100/1) ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: msbits : 16 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: buffer_size : 8192 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_size : 4096 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_time : 92879 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: tstamp_mode : ENABLE ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: tstamp_type : MONOTONIC ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_step : 1 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: avail_min : 7603 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_event : 0 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: start_threshold : -1 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: stop_threshold : 4611686018427387904 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: silence_threshold: 0 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: silence_size : 0 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: boundary : 4611686018427387904 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: Slave: Soft volume PCM ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: Control: PCM Playback Volume ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: min_dB: -51 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: max_dB: 0 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: resolution: 256 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: Its setup is: ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: stream : PLAYBACK ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: access : MMAP_INTERLEAVED ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: format : S16_LE ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: subformat : STD ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: channels : 4 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: rate : 44100 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: exact rate : 44100 (44100/1) ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: msbits : 16 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: buffer_size : 8192 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_size : 4096 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_time : 92879 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: tstamp_mode : ENABLE ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: tstamp_type : MONOTONIC ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_step : 1 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: avail_min : 7603 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_event : 0 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: start_threshold : -1 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: stop_threshold : 4611686018427387904 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: silence_threshold: 0 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: silence_size : 0 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: boundary : 4611686018427387904 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: Slave: Hardware PCM card 1 'HDA Intel PCH' device 0 subdevice 0 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: Its setup is: ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: stream : PLAYBACK ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: access : MMAP_INTERLEAVED ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: format : S16_LE ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: subformat : STD ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: channels : 4 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: rate : 44100 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: exact rate : 44100 (44100/1) ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: msbits : 16 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: buffer_size : 8192 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_size : 4096 ( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_time : 92879