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![output to input audio loopback pulseaudio output to input audio loopback pulseaudio](https://rogueamoeba.com/support/manuals/loopback/images/index-title@2x.png)
Pacmd set-card-profile alsa_card.pci-0000_00_1b.0 output:analog-surround-51 pactl – Control a running PulseAudio sound server pactl list sources Pavucontrol has one general source-ouput for every source + 1 source-output per sink-input… pactl list source-outputs shortġ6đĕ1 protocol-native.c float32le 1ch 25Hzġ7Ēĕ1 protocol-native.c float32le 1ch 25Hzġ8Ēĕ1 protocol-native.c float32le 1ch 25Hzġ9Ēĕ1 protocol-native.c float32le 1ch 25HzĢ0Ēĕ1 protocol-native.c float32le 1ch 25Hz Commands pacmd – Reconfigure a PulseAudio sound server during runtime pacmd -help Stream going out of a Pulseaudio source to an application reading it.Įx: application recording/reading something, Pavucontrol connected to the source to read/set the recording volume (so, information is coming from this source towards Pavucontrol). Then using the monitor of this sink, we have a source which can be recorded from. It is possible, though, to record the output of an audio application by creating a sink for this application to input into (we connect them through a sink-input). the monitor of the main sound card (acting as a pactl list sources shortġ alsa_b-046d_HD_Pro_Webcam_C920_F2CFBFEF-02.analog-stereo module-alsa-card.c s16le 2ch 32000Hz RUNNINGġ3 alsa_output.pci-0000_0d_00.4.analog-surround-51.monitor module-alsa-card.c s16le 6ch 44100Hz RUNNING Why isn’t an application producing sound a source ?īecause the audio is not coming from a card.In the following example, there are two sources that an application could record from: pactl list sink-inputs shortġ55đ2Ė6 protocol-native.c s16le 2ch 44100Hz SourcesĪudio streams entering Pulseaudio, “what you read/record from”. It’s an application (Quod Libet) inputting audio into the only one sink (“alsa_output.pci-0000_0d_00.4.analog-surround-51”). In the following example, there’s only one sink-input. pactl list sinks shortġ2 alsa_output.pci-0000_0d_00.4.analog-surround-51 module-alsa-card.c s16le 6ch 44100Hz RUNNING Sink-Input In the following example, there is only a single sink: all audio goes to the main sound card. Where an audio stream can be routed, “what you write/input into”.Įvery sink has a monitor that can be used as a source (for loopback and routing). Pacmd set-card-profile alsa_card.pci-0000_00_1b.0 output:analog-surround-51 Clients pactl list clients short Pacmd set-card-profile index|name profile-name 2 the sound card on the motherboard (can input and pactl list cards shortĠ alsa_card.pci-0000_0b_00.1 module-alsa-card.cġ alsa_b-046d_HD_Pro_Webcam_C920_F2CFBFEF-02 module-alsa-card.cĢ alsa_card.pci-0000_0d_00.4 module-alsa-card.cĮach card has one or more profiles.1 is a webcam that can record sound (input).0 is sound getting through HDMI, generally to an audio equipped display (output).In the following example, I have three cards.
![output to input audio loopback pulseaudio output to input audio loopback pulseaudio](https://gavv.github.io/articles/pulseaudio-under-the-hood/screenshots/pavucontrol_playback_ann.png)
Pulse-cli-syntax - PulseAudio Command Line Interface Syntax Concepts Cards If Pulseaudio works system-wide and not per-user. nf - PulseAudio client configuration file nf - PulseAudio daemon configuration file
![output to input audio loopback pulseaudio output to input audio loopback pulseaudio](https://i.stack.imgur.com/Fnpc0.png)
Pactl set-default-source Restart the pulseaudio daemon pulseaudio -k Configuration files default.pa - PulseAudio Sound Server Startup Script Pactl set-default-sink pactl list short sources Tasks set the default sink/source pactl list short sinks pactl – Control a running PulseAudio sound server.pacmd – Reconfigure a PulseAudio sound server during runtime.Why isn’t an application producing sound a source ?.