________________ > pulseaudio_ps_do pipacsba 4730 0.3 0.7 405716 27520 ? Ssl 07:08 0:00 /usr/bin/pulseaudio --daemonize=no --log-target=journal pipacsba 5754 0.0 0.0 3532 1792 pts/0 S+ 07:09 0:00 grep pulseaudio ________________ > which pulseaudio /usr/bin/pulseaudio ________________ > pidof pulseaudio 4730 ________________ > pulseaudio --version pulseaudio 16.1 ________________ > pactl info Server String: /run/user/1000/pulse/native Library Protocol Version: 35 Server Protocol Version: 35 Is Local: yes Client Index: 4 Tile Size: 65472 User Name: pipacsba Host Name: yogatab3 Server Name: pulseaudio Server Version: 16.1 Default Sample Specification: s16le 2ch 44100Hz Default Channel Map: front-left,front-right Default Sink: auto_null Default Source: auto_null.monitor Cookie: ccd7:2ab8 ________________ > pactl list Module #0 Name: module-device-restore Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Automatically restore the volume/mute state of devices" module.version = "16.1" Module #1 Name: module-stream-restore Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Automatically restore the volume/mute/device state of streams" module.version = "16.1" Module #2 Name: module-card-restore Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Automatically restore profile of cards" module.version = "16.1" Module #3 Name: module-augment-properties Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Augment the property sets of streams with additional static information" module.version = "16.1" Module #4 Name: module-switch-on-port-available Argument: Usage counter: n/a Properties: module.author = "David Henningsson" module.description = "Switches ports and profiles when devices are plugged/unplugged" module.version = "16.1" Module #5 Name: module-switch-on-connect Argument: Usage counter: n/a Properties: module.author = "Michael Terry" module.description = "When a sink/source is added, switch to it or conditionally switch to it" module.version = "16.1" Module #6 Name: module-udev-detect Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Detect available audio hardware and load matching drivers" module.version = "16.1" Module #7 Name: module-alsa-card Argument: device_id="0" name="pci-0000_00_02.0-platform-hdmi-lpe-audio" card_name="alsa_card.pci-0000_00_02.0-platform-hdmi-lpe-audio" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes avoid_resampling=no card_properties="module-udev-detect.discovered=1" Usage counter: 0 Properties: module.author = "Lennart Poettering" module.description = "ALSA Card" module.version = "16.1" Module #8 Name: module-native-protocol-unix Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Native protocol (UNIX sockets)" module.version = "16.1" Module #9 Name: module-default-device-restore Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Automatically restore the default sink and source" module.version = "16.1" Module #10 Name: module-always-sink Argument: Usage counter: n/a Properties: module.author = "Colin Guthrie" module.description = "Always keeps at least one sink loaded even if it's a null one" module.version = "16.1" Module #11 Name: module-null-sink Argument: sink_name=auto_null sink_properties='device.description="Dummy Output"' Usage counter: 0 Properties: module.author = "Lennart Poettering" module.description = "Clocked NULL sink" module.version = "16.1" Module #12 Name: module-intended-roles Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Automatically set device of streams based on intended roles of devices" module.version = "16.1" Module #13 Name: module-suspend-on-idle Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "When a sink/source is idle for too long, suspend it" module.version = "16.1" Module #14 Name: module-systemd-login Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Create a client for each login session of this user" module.version = "16.1" Module #15 Name: module-position-event-sounds Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Position event sounds between L and R depending on the position on screen of the widget triggering them." module.version = "16.1" Module #16 Name: module-role-cork Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Mute & cork streams with certain roles while others exist" module.version = "16.1" Module #17 Name: module-snap-policy Argument: Usage counter: n/a Properties: module.author = "Canonical Ltd" module.description = "Ubuntu Snap policy management" module.version = "16.1" Module #18 Name: module-filter-heuristics Argument: Usage counter: n/a Properties: module.author = "Colin Guthrie" module.description = "Detect when various filters are desirable" module.version = "16.1" Module #19 Name: module-filter-apply Argument: Usage counter: n/a Properties: module.author = "Colin Guthrie" module.description = "Load filter sinks automatically when needed" module.version = "16.1" Module #20 Name: module-cli-protocol-unix Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Command line interface protocol (UNIX sockets)" module.version = "16.1" Sink #0 State: SUSPENDED Name: auto_null Description: Dummy Output Driver: module-null-sink.c Sample Specification: s16le 2ch 44100Hz Channel Map: front-left,front-right Owner Module: 11 Mute: no Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB balance 0.00 Base Volume: 65536 / 100% / 0.00 dB Monitor Source: auto_null.monitor Latency: 0 usec, configured 0 usec Flags: DECIBEL_VOLUME LATENCY SET_FORMATS Properties: device.description = "Dummy Output" device.class = "abstract" device.icon_name = "audio-card" Formats: pcm Source #0 State: SUSPENDED Name: auto_null.monitor Description: Monitor of Dummy Output Driver: module-null-sink.c Sample Specification: s16le 2ch 44100Hz Channel Map: front-left,front-right Owner Module: 11 Mute: no Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB balance 0.00 Base Volume: 65536 / 100% / 0.00 dB Monitor of Sink: auto_null Latency: 0 usec, configured 0 usec Flags: DECIBEL_VOLUME LATENCY Properties: device.description = "Monitor of Dummy Output" device.class = "monitor" device.icon_name = "audio-input-microphone" Formats: pcm Client #0 Driver: module-systemd-login.c Owner Module: 14 Properties: application.name = "Login Session 2" systemd-login.session = "2" Client #5 Driver: protocol-native.c Owner Module: 8 Properties: application.name = "pactl" native-protocol.peer = "UNIX socket client" native-protocol.version = "35" application.process.id = "5759" application.process.user = "pipacsba" application.process.host = "yogatab3" application.process.binary = "pactl" application.language = "C" application.process.machine_id = "ee925f5e21ea4b34aff2edc56ed66989" application.process.session_id = "2" Card #0 Name: alsa_card.pci-0000_00_02.0-platform-hdmi-lpe-audio Driver: module-alsa-card.c Owner Module: 7 Properties: alsa.card = "0" alsa.card_name = "Intel HDMI/DP LPE Audio" alsa.long_card_name = "Intel HDMI/DP LPE Audio" alsa.driver_name = "snd_hdmi_lpe_audio" device.bus_path = "pci-0000:00:02.0-platform-hdmi-lpe-audio" sysfs.path = "/devices/pci0000:00/0000:00:02.0/hdmi-lpe-audio/sound/card0" device.bus = "pci" device.vendor.id = "8086" device.vendor.name = "Intel Corporation" device.product.id = "22b0" device.product.name = "Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Integrated Graphics Controller" device.string = "0" device.description = "Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Integrated Graphics Controller" module-udev-detect.discovered = "1" device.icon_name = "audio-card-pci" Profiles: output:hdmi-stereo: Digital Stereo (HDMI) Output (sinks: 1, sources: 0, priority: 5900, available: no) output:hdmi-surround: Digital Surround 5.1 (HDMI) Output (sinks: 1, sources: 0, priority: 800, available: no) output:hdmi-surround71: Digital Surround 7.1 (HDMI) Output (sinks: 1, sources: 0, priority: 800, available: no) output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) Output (sinks: 1, sources: 0, priority: 5700, available: no) output:hdmi-surround-extra1: Digital Surround 5.1 (HDMI 2) Output (sinks: 1, sources: 0, priority: 600, available: no) output:hdmi-surround71-extra1: Digital Surround 7.1 (HDMI 2) Output (sinks: 1, sources: 0, priority: 600, available: no) output:hdmi-stereo-extra2: Digital Stereo (HDMI 3) Output (sinks: 1, sources: 0, priority: 5700, available: no) output:hdmi-surround-extra2: Digital Surround 5.1 (HDMI 3) Output (sinks: 1, sources: 0, priority: 600, available: no) output:hdmi-surround71-extra2: Digital Surround 7.1 (HDMI 3) Output (sinks: 1, sources: 0, priority: 600, available: no) off: Off (sinks: 0, sources: 0, priority: 0, available: yes) Active Profile: off Ports: hdmi-output-0: HDMI / DisplayPort (type: HDMI, priority: 5900, latency offset: 0 usec, not available) Properties: device.icon_name = "video-display" Part of profile(s): output:hdmi-stereo, output:hdmi-surround, output:hdmi-surround71 hdmi-output-1: HDMI / DisplayPort 2 (type: HDMI, priority: 5800, latency offset: 0 usec, not available) Properties: device.icon_name = "video-display" Part of profile(s): output:hdmi-stereo-extra1, output:hdmi-surround-extra1, output:hdmi-surround71-extra1 hdmi-output-2: HDMI / DisplayPort 3 (type: HDMI, priority: 5700, latency offset: 0 usec, not available) Properties: device.icon_name = "video-display" Part of profile(s): output:hdmi-stereo-extra2, output:hdmi-surround-extra2, output:hdmi-surround71-extra2 ________________ > cat /etc/pulse/daemon.conf # This file is part of PulseAudio. # # PulseAudio is free software; you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # PulseAudio is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with PulseAudio; if not, see . ## Configuration file for the PulseAudio daemon. See pulse-daemon.conf(5) for ## more information. Default values are commented out. Use either ; or # for ## commenting. ; daemonize = no ; fail = yes ; allow-module-loading = yes ; allow-exit = yes ; use-pid-file = yes ; system-instance = no ; local-server-type = user ; enable-shm = yes ; enable-memfd = yes ; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB ; lock-memory = no ; cpu-limit = no ; high-priority = yes ; nice-level = -11 ; realtime-scheduling = yes ; realtime-priority = 5 ; exit-idle-time = 20 ; scache-idle-time = 20 ; dl-search-path = (depends on architecture) ; load-default-script-file = yes ; default-script-file = /etc/pulse/default.pa ; log-target = auto ; log-level = notice ; log-meta = no ; log-time = no ; log-backtrace = 0 ; resample-method = speex-float-1 ; avoid-resampling = false ; enable-remixing = yes ; remixing-use-all-sink-channels = yes ; remixing-produce-lfe = no ; remixing-consume-lfe = no ; lfe-crossover-freq = 0 ; flat-volumes = no ; rescue-streams = yes ; rlimit-fsize = -1 ; rlimit-data = -1 ; rlimit-stack = -1 ; rlimit-core = -1 ; rlimit-as = -1 ; rlimit-rss = -1 ; rlimit-nproc = -1 ; rlimit-nofile = 256 ; rlimit-memlock = -1 ; rlimit-locks = -1 ; rlimit-sigpending = -1 ; rlimit-msgqueue = -1 ; rlimit-nice = 31 ; rlimit-rtprio = 9 ; rlimit-rttime = 200000 ; default-sample-format = s16le ; default-sample-rate = 44100 ; alternate-sample-rate = 48000 ; default-sample-channels = 2 ; default-channel-map = front-left,front-right ; default-fragments = 4 ; default-fragment-size-msec = 25 ; enable-deferred-volume = yes deferred-volume-safety-margin-usec = 1 ; deferred-volume-extra-delay-usec = 0 ________________ > cat /etc/pulse/client.conf # This file is part of PulseAudio. # # PulseAudio is free software; you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # PulseAudio is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with PulseAudio; if not, see . ## Configuration file for PulseAudio clients. See pulse-client.conf(5) for ## more information. Default values are commented out. Use either ; or # for ## commenting. ; default-sink = ; default-source = ; default-server = ; default-dbus-server = ; autospawn = yes ; daemon-binary = /usr/bin/pulseaudio ; extra-arguments = --log-target=syslog ; cookie-file = ; enable-shm = yes ; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB ; auto-connect-localhost = no ; auto-connect-display = no ________________ > dot_d_files /etc/pulse/client.conf.d/*.conf /etc/pulse/client.conf.d/01-enable-autospawn.conf ________________ > cat /etc/pulse/client.conf.d/01-enable-autospawn.conf cat: /etc/pulse/client.conf.d/01-enable-autospawn.conf: No such file or directory ________________ > cat /etc/pulse/default.pa #!/usr/bin/pulseaudio -nF # # This file is part of PulseAudio. # # PulseAudio is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # PulseAudio is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with PulseAudio; if not, see . # This startup script is used only if PulseAudio is started per-user # (i.e. not in system mode) .fail ### Automatically restore the volume of streams and devices load-module module-device-restore load-module module-stream-restore load-module module-card-restore ### Automatically augment property information from .desktop files ### stored in /usr/share/application load-module module-augment-properties ### Should be after module-*-restore but before module-*-detect load-module module-switch-on-port-available ### Use hot-plugged devices like Bluetooth or USB automatically (LP: #1702794) .ifexists module-switch-on-connect.so load-module module-switch-on-connect .endif ### Load audio drivers statically ### (it's probably better to not load these drivers manually, but instead ### use module-udev-detect -- see below -- for doing this automatically) #load-module module-alsa-sink #load-module module-alsa-source device=hw:1,0 #load-module module-oss device="/dev/dsp" sink_name=output source_name=input #load-module module-oss-mmap device="/dev/dsp" sink_name=output source_name=input #load-module module-null-sink #load-module module-pipe-sink ### Automatically load driver modules depending on the hardware available .ifexists module-udev-detect.so load-module module-udev-detect .else ### Use the static hardware detection module (for systems that lack udev support) load-module module-detect .endif ### Automatically connect sink and source if JACK server is present .ifexists module-jackdbus-detect.so .nofail load-module module-jackdbus-detect channels=2 .fail .endif ### Automatically load driver modules for Bluetooth hardware .ifexists module-bluetooth-policy.so load-module module-bluetooth-policy .endif .ifexists module-bluetooth-discover.so load-module module-bluetooth-discover .endif ### Load several protocols .ifexists module-esound-protocol-unix.so load-module module-esound-protocol-unix .endif load-module module-native-protocol-unix ### Network access (may be configured with paprefs, so leave this commented ### here if you plan to use paprefs) #load-module module-esound-protocol-tcp #load-module module-native-protocol-tcp #load-module module-zeroconf-publish ### Load the RTP receiver module (also configured via paprefs, see above) #load-module module-rtp-recv ### Load the RTP sender module (also configured via paprefs, see above) #load-module module-null-sink sink_name=rtp format=s16be channels=2 rate=44100 sink_properties="device.description='RTP Multicast Sink'" #load-module module-rtp-send source=rtp.monitor ### Load additional modules from GSettings. This can be configured with the paprefs tool. ### Please keep in mind that the modules configured by paprefs might conflict with manually ### loaded modules. .ifexists module-gsettings.so .nofail load-module module-gsettings .fail .endif ### Automatically restore the default sink/source when changed by the user ### during runtime ### NOTE: This should be loaded as early as possible so that subsequent modules ### that look up the default sink/source get the right value load-module module-default-device-restore ### Make sure we always have a sink around, even if it is a null sink. load-module module-always-sink ### Honour intended role device property load-module module-intended-roles ### Automatically suspend sinks/sources that become idle for too long load-module module-suspend-on-idle ### If autoexit on idle is enabled we want to make sure we only quit ### when no local session needs us anymore. .ifexists module-console-kit.so load-module module-console-kit .endif .ifexists module-systemd-login.so load-module module-systemd-login .endif ### Enable positioned event sounds load-module module-position-event-sounds ### Cork music/video streams when a phone stream is active load-module module-role-cork ### Block audio recording for snap confined packages unless they have ### the "pulseaudio" or "audio-record" interfaces plugged. .ifexists module-snap-policy.so load-module module-snap-policy .endif ### Modules to allow autoloading of filters (such as echo cancellation) ### on demand. module-filter-heuristics tries to determine what filters ### make sense, and module-filter-apply does the heavy-lifting of ### loading modules and rerouting streams. load-module module-filter-heuristics load-module module-filter-apply ### Make some devices default #set-default-sink output #set-default-source input ### Allow including a default.pa.d directory, which if present, can be used ### for additional configuration snippets. ### Note that those snippet files must have a .pa file extension, not .conf .nofail .include /etc/pulse/default.pa.d ________________ > dot_d_files /etc/pulse/default.pa.d/*.pa ________________ > cat /etc/pulse/system.pa #!/usr/bin/pulseaudio -nF # # This file is part of PulseAudio. # # PulseAudio is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # PulseAudio is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with PulseAudio; if not, see . # This startup script is used only if PulseAudio is started in system # mode. ### Automatically restore the volume of streams and devices load-module module-device-restore load-module module-stream-restore load-module module-card-restore ### Automatically load driver modules depending on the hardware available .ifexists module-udev-detect.so load-module module-udev-detect .else ### Use the static hardware detection module (for systems that lack udev/hal support) load-module module-detect .endif ### Load several protocols .ifexists module-esound-protocol-unix.so load-module module-esound-protocol-unix .endif load-module module-native-protocol-unix ### Automatically restore the default sink/source when changed by the user ### during runtime ### NOTE: This should be loaded as early as possible so that subsequent modules ### that look up the default sink/source get the right value load-module module-default-device-restore ### Make sure we always have a sink around, even if it is a null sink. load-module module-always-sink ### Automatically suspend sinks/sources that become idle for too long load-module module-suspend-on-idle ### Enable positioned event sounds load-module module-position-event-sounds ### Allow including a system.pa.d directory, which if present, can be used ### for additional configuration snippets. ### Note that those snippet files must have a .pa file extension, not .conf .nofail .include /etc/pulse/system.pa.d ________________ > ls -alt /dev/snd/* crw-rw---- 1 root audio 116, 4 Apr 18 07:08 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 3 Apr 18 07:08 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 2 Apr 18 07:08 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 5 Apr 18 07:02 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 1 Apr 18 07:02 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Apr 18 07:02 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Apr 18 07:02 . drwxr-xr-x 3 root root 180 Apr 18 07:02 .. lrwxrwxrwx 1 root root 12 Apr 18 07:02 pci-0000:00:02.0-platform-hdmi-lpe-audio -> ../controlC0 ________________ > lsof /dev/snd/* lsof: WARNING: can't stat() tracefs file system /sys/kernel/debug/tracing Output information may be incomplete. COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME pulseaudi 4730 pipacsba 18u CHR 116,5 0t0 981 /dev/snd/controlC0 ________________ > jacks_do card=0 numid=5,iface=CARD,name='HDMI/DP,pcm=0 Jack' ; type=BOOLEAN,access=r-------,values=1 : values=off numid=10,iface=CARD,name='HDMI/DP,pcm=1 Jack' ; type=BOOLEAN,access=r-------,values=1 : values=off numid=15,iface=CARD,name='HDMI/DP,pcm=2 Jack' ; type=BOOLEAN,access=r-------,values=1 : values=off ________________ > aplay -L null Discard all samples (playback) or generate zero samples (capture) default Playback/recording through the PulseAudio sound server lavrate Rate Converter Plugin Using Libav/FFmpeg Library samplerate Rate Converter Plugin Using Samplerate Library speexrate Rate Converter Plugin Using Speex Resampler jack JACK Audio Connection Kit oss Open Sound System pulse PulseAudio Sound Server speex Plugin using Speex DSP (resample, agc, denoise, echo, dereverb) upmix Plugin for channel upmix (4,6,8) vdownmix Plugin for channel downmix (stereo) with a simple spacialization hw:CARD=Audio,DEV=0 Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi Direct hardware device without any conversions hw:CARD=Audio,DEV=1 Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi Direct hardware device without any conversions hw:CARD=Audio,DEV=2 Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi Direct hardware device without any conversions plughw:CARD=Audio,DEV=0 Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi Hardware device with all software conversions plughw:CARD=Audio,DEV=1 Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi Hardware device with all software conversions plughw:CARD=Audio,DEV=2 Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi Hardware device with all software conversions sysdefault:CARD=Audio Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi Default Audio Device hdmi:CARD=Audio,DEV=0 Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi HDMI Audio Output hdmi:CARD=Audio,DEV=1 Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi HDMI Audio Output hdmi:CARD=Audio,DEV=2 Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi HDMI Audio Output dmix:CARD=Audio,DEV=0 Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi Direct sample mixing device dmix:CARD=Audio,DEV=1 Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi Direct sample mixing device dmix:CARD=Audio,DEV=2 Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi Direct sample mixing device usbstream:CARD=Audio Intel HDMI/DP LPE Audio USB Stream Output ________________ > arecord -L null Discard all samples (playback) or generate zero samples (capture) default Playback/recording through the PulseAudio sound server lavrate Rate Converter Plugin Using Libav/FFmpeg Library samplerate Rate Converter Plugin Using Samplerate Library speexrate Rate Converter Plugin Using Speex Resampler jack JACK Audio Connection Kit oss Open Sound System pulse PulseAudio Sound Server speex Plugin using Speex DSP (resample, agc, denoise, echo, dereverb) upmix Plugin for channel upmix (4,6,8) vdownmix Plugin for channel downmix (stereo) with a simple spacialization usbstream:CARD=Audio Intel HDMI/DP LPE Audio USB Stream Output ________________ > alsa_info_do dmesg: read kernel buffer failed: Operation not permitted upload=true&script=true&cardinfo= !!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Thu Apr 18 05:09:53 UTC 2024 !!Linux Distribution !!------------------ Ubuntu Noble Numbat (development branch) \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu Noble Numbat (development branch)" PRETTY_NAME="Ubuntu Noble Numbat (development branch)" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=noble LOGO=ubuntu-logo !!DMI Information !!--------------- Manufacturer: Intel Corporation Product Name: CHERRYVIEW D1 PLATFORM Product Version: Blade3-10A-001 Firmware Version: CHTTYOGA.X64.R514.R15.1701241022 System SKU: System SKUNumber Board Vendor: Intel Corp. Board Name: Cherry Trail Tablet !!ACPI Device Status Information !!--------------- /sys/bus/acpi/devices/80860F14:00/status 15 /sys/bus/acpi/devices/80860F14:02/status 15 /sys/bus/acpi/devices/8086228A:00/status 15 /sys/bus/acpi/devices/8086228A:01/status 15 /sys/bus/acpi/devices/8086228E:00/status 15 /sys/bus/acpi/devices/8086228E:01/status 15 /sys/bus/acpi/devices/8086228E:02/status 15 /sys/bus/acpi/devices/808622C1:00/status 15 /sys/bus/acpi/devices/808622C1:01/status 15 /sys/bus/acpi/devices/808622C1:02/status 15 /sys/bus/acpi/devices/808622C1:03/status 15 /sys/bus/acpi/devices/808622C1:04/status 15 /sys/bus/acpi/devices/808622C1:05/status 15 /sys/bus/acpi/devices/808622C1:06/status 15 /sys/bus/acpi/devices/ACPI0003:00/status 15 /sys/bus/acpi/devices/ACPI0011:00/status 15 /sys/bus/acpi/devices/ATML1000:01/status 15 /sys/bus/acpi/devices/BCM4752:00/status 15 /sys/bus/acpi/devices/BCM4752:01/status 15 /sys/bus/acpi/devices/INT33A4:00/status 15 /sys/bus/acpi/devices/INT33BE:01/status 15 /sys/bus/acpi/devices/INT33D5:00/status 15 /sys/bus/acpi/devices/INT33FB:00/status 15 /sys/bus/acpi/devices/INT33FF:00/status 15 /sys/bus/acpi/devices/INT33FF:01/status 15 /sys/bus/acpi/devices/INT33FF:02/status 15 /sys/bus/acpi/devices/INT33FF:03/status 15 /sys/bus/acpi/devices/INT33FF:04/status 15 /sys/bus/acpi/devices/INT3400:00/status 15 /sys/bus/acpi/devices/INT3403:00/status 15 /sys/bus/acpi/devices/INT3403:01/status 15 /sys/bus/acpi/devices/INT3403:03/status 15 /sys/bus/acpi/devices/INT3406:00/status 15 /sys/bus/acpi/devices/INT3407:00/status 15 /sys/bus/acpi/devices/INT3409:01/status 15 /sys/bus/acpi/devices/INT34D3:00/status 15 /sys/bus/acpi/devices/INTCF1C:00/status 15 /sys/bus/acpi/devices/INTL9C60:00/status 15 /sys/bus/acpi/devices/INTL9C60:01/status 15 /sys/bus/acpi/devices/LNXPOWER:00/status 15 /sys/bus/acpi/devices/LNXPOWER:07/status 2 /sys/bus/acpi/devices/LNXPOWER:08/status 2 /sys/bus/acpi/devices/LNXPOWER:09/status 2 /sys/bus/acpi/devices/LNXPOWER:0a/status 2 /sys/bus/acpi/devices/LNXPOWER:0b/status 2 /sys/bus/acpi/devices/LNXPOWER:0d/status 15 /sys/bus/acpi/devices/LNXPOWER:21/status 2 /sys/bus/acpi/devices/LNXPOWER:22/status 2 /sys/bus/acpi/devices/PNP0103:00/status 15 /sys/bus/acpi/devices/PNP0501:00/status 15 /sys/bus/acpi/devices/PNP0C0F:00/status 9 /sys/bus/acpi/devices/PNP0C0F:01/status 9 /sys/bus/acpi/devices/PNP0C0F:02/status 9 /sys/bus/acpi/devices/PNP0C0F:03/status 9 /sys/bus/acpi/devices/PNP0C0F:04/status 9 /sys/bus/acpi/devices/PNP0C0F:05/status 9 /sys/bus/acpi/devices/PNP0C0F:06/status 9 /sys/bus/acpi/devices/PNP0C0F:07/status 9 /sys/bus/acpi/devices/TXN24292:00/status 15 /sys/bus/acpi/devices/device:02/status 15 /sys/bus/acpi/devices/device:0b/status 15 /sys/bus/acpi/devices/device:13/status 15 /sys/bus/acpi/devices/device:17/status 15 /sys/bus/acpi/devices/device:1a/status 15 /sys/bus/acpi/devices/device:33/status 15 /sys/bus/acpi/devices/device:34/status 15 !!Kernel Information !!------------------ Kernel release: #22-Ubuntu SMP PREEMPT_DYNAMIC Thu Apr 4 22:30:32 UTC 2024 Operating System: GNU/Linux Architecture: x86_64 Processor: x86_64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.8.0-22-generic Library version: 1.2.11 Utilities version: 1.2.9 !!Loaded ALSA modules !!------------------- snd_hdmi_lpe_audio (card 0) !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- 0 [Audio ]: HdmiLpeAudio - Intel HDMI/DP LPE Audio Intel HDMI/DP LPE Audio !!PCI Soundcards installed in the system !!-------------------------------------- 00:15.0 Multimedia audio controller [0401]: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series Low Power Engine Audio [8086:22a8] (rev 34) Subsystem: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series Low Power Engine Audio [8086:7270] !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_usb_audio: index=-2 snd_usb_caiaq: index=-2 snd_usb_ua101: index=-2 snd_usb_us122l: index=-2 snd_usb_usx2y: index=-2 snd_cmipci: mpu_port=0x330 fm_port=0x388 snd_pcsp: index=-2 snd_usb_audio: index=-2 !!Loaded sound module options !!--------------------------- !!Module: snd_hdmi_lpe_audio id : (null) index : -1 single_port : N !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/hdmi-lpe-audio Tree: /sys/class/sound/card0 |-- controlC0 | |-- dev | |-- device -> ../../card0 | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- device -> ../../../hdmi-lpe-audio |-- id |-- input6 | |-- capabilities | |-- device -> ../../card0 | |-- event6 | |-- id | |-- inhibited | |-- modalias | |-- name | |-- phys | |-- power | |-- properties | |-- subsystem -> ../../../../../../../class/input | |-- uevent | `-- uniq |-- input7 | |-- capabilities | |-- device -> ../../card0 | |-- event7 | |-- id | |-- inhibited | |-- modalias | |-- name | |-- phys | |-- power | |-- properties | |-- subsystem -> ../../../../../../../class/input | |-- uevent | `-- uniq |-- input8 | |-- capabilities | |-- device -> ../../card0 | |-- event8 | |-- id | |-- inhibited | |-- modalias | |-- name | |-- phys | |-- power | |-- properties | |-- subsystem -> ../../../../../../../class/input | |-- uevent | `-- uniq |-- number |-- pcmC0D0p | |-- dev | |-- device -> ../../card0 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- pcmC0D1p | |-- dev | |-- device -> ../../card0 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- pcmC0D2p | |-- dev | |-- device -> ../../card0 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- power | |-- async | |-- autosuspend_delay_ms | |-- control | |-- runtime_active_kids | |-- runtime_active_time | |-- runtime_enabled | |-- runtime_status | |-- runtime_suspended_time | `-- runtime_usage |-- subsystem -> ../../../../../../class/sound `-- uevent !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 5 Apr 18 07:02 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 2 Apr 18 07:08 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 3 Apr 18 07:08 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 4 Apr 18 07:08 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 1 Apr 18 07:02 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Apr 18 07:02 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Apr 18 07:02 . drwxr-xr-x 3 root root 180 Apr 18 07:02 .. lrwxrwxrwx 1 root root 12 Apr 18 07:02 pci-0000:00:02.0-platform-hdmi-lpe-audio -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Audio [Intel HDMI/DP LPE Audio], device 0: HdmiLpeAudio [Intel HDMI/DP LPE Audi] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: Audio [Intel HDMI/DP LPE Audio], device 1: HdmiLpeAudio [Intel HDMI/DP LPE Audi] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: Audio [Intel HDMI/DP LPE Audio], device 2: HdmiLpeAudio [Intel HDMI/DP LPE Audi] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card Audio Card sysdefault:0 'Audio'/'Intel HDMI/DP LPE Audio' Mixer name : '' Components : '' Controls : 15 Simple ctrls : 0 !!Alsactl output !!-------------- --startcollapse-- state.Audio { control.1 { iface PCM name 'IEC958 Playback Mask' value ffffffff00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 comment { access read type IEC958 count 1 } } control.2 { iface PCM name 'IEC958 Playback Default' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.3 { iface PCM name ELD value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } control.4 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 value.2 0 value.3 0 value.4 0 value.5 0 value.6 0 value.7 0 comment { access read type INTEGER count 8 range '0 - 36' } } control.5 { iface CARD name 'HDMI/DP,pcm=0 Jack' value false comment { access read type BOOLEAN count 1 } } control.6 { iface PCM device 1 name 'IEC958 Playback Mask' value ffffffff00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 comment { access read type IEC958 count 1 } } control.7 { iface PCM device 1 name 'IEC958 Playback Default' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.8 { iface PCM device 1 name ELD value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } control.9 { iface PCM device 1 name 'Playback Channel Map' value.0 0 value.1 0 value.2 0 value.3 0 value.4 0 value.5 0 value.6 0 value.7 0 comment { access read type INTEGER count 8 range '0 - 36' } } control.10 { iface CARD name 'HDMI/DP,pcm=1 Jack' value false comment { access read type BOOLEAN count 1 } } control.11 { iface PCM device 2 name 'IEC958 Playback Mask' value ffffffff00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 comment { access read type IEC958 count 1 } } control.12 { iface PCM device 2 name 'IEC958 Playback Default' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.13 { iface PCM device 2 name ELD value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } control.14 { iface PCM device 2 name 'Playback Channel Map' value.0 0 value.1 0 value.2 0 value.3 0 value.4 0 value.5 0 value.6 0 value.7 0 comment { access read type INTEGER count 8 range '0 - 36' } } control.15 { iface CARD name 'HDMI/DP,pcm=2 Jack' value false comment { access read type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8250_dw acpi_pad acpi_thermal_rel aesni_intel async_memcpy async_pq async_raid6_recov async_tx async_xor autofs4 binfmt_misc blake2b_generic bq25890_charger bq27xxx_battery bq27xxx_battery_i2c brcmfmac brcmfmac_wcc brcmutil btrfs cec cfg80211 coretemp crc32_pclmul crct10dif_pclmul cryptd crypto_simd dm_multipath dmi_sysfs dptf_power drm_buddy drm_display_helper dw_dmac dw_dmac_core efi_pstore extcon_intel_cht_wc ghash_clmulni_intel gpio_keys hid hid_generic hid_sensor_accel_3d hid_sensor_als hid_sensor_custom hid_sensor_custom_intel_hinge hid_sensor_gyro_3d hid_sensor_hub hid_sensor_iio_common hid_sensor_incl_3d hid_sensor_magn_3d hid_sensor_rotation hid_sensor_trigger i2c_algo_bit i2c_cht_wc i2c_hid i2c_hid_acpi i915 industrialio industrialio_triggered_buffer int3400_thermal int3403_thermal int3406_thermal int340x_thermal_zone intel_atomisp2_pm intel_cstate intel_hid intel_int0002_vgpio intel_ish_ipc intel_ishtp intel_ishtp_hid intel_powerclamp intel_rapl_common intel_rapl_msr intel_soc_dts_iosf intel_soc_pmic_bxtwc intel_xhci_usb_role_switch ip_tables irqbypass kfifo_buf kvm kvm_intel leds_cht_wcove libcrc32c lpc_ich mac_hid mc mei mei_hdcp mei_pxp mei_txe mmc_block msr mtd nfnetlink nls_iso8859_1 ov5693 polyval_generic processor_thermal_device processor_thermal_device_pci_legacy processor_thermal_mbox processor_thermal_power_floor processor_thermal_rapl processor_thermal_rfim processor_thermal_wt_hint processor_thermal_wt_req punit_atom_debug qrtr raid0 raid1 raid10 raid456 raid6_pq rc_core rfkill_gpio sdhci sdhci_acpi sha1_ssse3 sha256_ssse3 snd snd_hdmi_lpe_audio snd_pcm snd_rawmidi snd_seq snd_seq_device snd_seq_midi snd_seq_midi_event snd_timer soc_button_array soundcore sparse_keymap spi_intel spi_intel_platform spi_nor spi_pxa2xx_platform tls ttm v4l2_async v4l2_cci v4l2_fwnode video videodev wmi x_tables xhci_pci xhci_pci_renesas xor !!ALSA/HDA dmesg !!-------------- !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.5.1-2 all ALSA topology configuration files ii alsa-ucm-conf 1.2.10-1ubuntu5 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.9-1ubuntu5 amd64 Utilities for configuring and using ALSA