On Sun, Sep 13, 2020 at 05:18:23PM +0000, guest271314 wrote: > This project started attempting to capture the output of > window.speechSynthesis.speak(). > > Consider https://stackoverflow.com/a/43553706. > > If run $ pacmd list-sink-inputs will get > > index: 219 > driver: <protocol-native.c> > flags: > state: RUNNING > sink: 4 <alsa_output.pci-0000_00_14.2.analog-stereo> > volume: mono: 64460 / 98% / -0.43 dB > balance 0.00 > muted: no > current latency: 0.00 ms > requested latency: 0.59 ms > sample spec: s16le 1ch 22050Hz > channel map: mono > Mono > resample method: speex-float-1 > module: 14 > client: 192 <speech-dispatcher-espeak-ng> > properties: > media.name = "playback" > application.name = "speech-dispatcher-espeak-ng" > native-protocol.peer = "UNIX socket client" > native-protocol.version = "33" > application.process.id = "45464" > application.process.user = "ubuntu-studio" > application.process.host = "ubuntu-studio" > application.process.binary = "sd_espeak-ng" > application.language = "C" > window.x11.display = ":0.0" > application.process.machine_id = "<id>" > application.process.session_id = "<id>" > module-stream-restore.id = > "sink-input-by-application-name:speech-dispatcher-espeak-ng" > > $ pacmd list-sources > > 2 source(s) available. > * index: 4 > name: <alsa_input.usb-046d_0804_0B17FC60-02.mono-fallback> > driver: <module-alsa-card.c> > flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY > DYNAMIC_LATENCY > state: RUNNING > suspend cause: (none) > priority: 9040 > volume: mono: 0 / 0% / -inf dB > balance 0.00 > base volume: 20724 / 32% / -30.00 dB > volume steps: 65537 > muted: yes > current latency: 4.60 ms > max rewind: 0 KiB > sample spec: s16le 1ch 48000Hz > channel map: mono > Mono > used by: 1 > linked by: 1 > configured latency: 40.00 ms; range is 0.50 .. 2000.00 ms > card: 1 <alsa_card.usb-046d_0804_0B17FC60-02> > module: 8 > properties: > alsa.resolution_bits = "16" > device.api = "alsa" > device.class = "sound" > alsa.class = "generic" > alsa.subclass = "generic-mix" > alsa.name = "USB Audio" > alsa.id = "USB Audio" > alsa.subdevice = "0" > alsa.subdevice_name = "subdevice #0" > alsa.device = "0" > alsa.card = "1" > alsa.card_name = "USB Device 0x46d:0x804" > alsa.long_card_name = "USB Device 0x46d:0x804 at > usb-0000:00:12.0-1.4, high speed" > alsa.driver_name = "snd_usb_audio" > device.bus_path = "pci-0000:00:12.0-usb-0:1.4:1.2" > sysfs.path = > "/devices/pci0000:00/0000:00:12.0/usb1/1-1/1-1.4/1-1.4:1.2/sound/card1" > udev.id = "usb-046d_0804_0B17FC60-02" > device.bus = "usb" > device.vendor.id = "046d" > device.vendor.name = "<vendor>" > device.product.id = "0804" > device.product.name = "<name>" > device.serial = "046d_0804_0B17FC60" > device.form_factor = "webcam" > device.string = "hw:1" > device.buffering.buffer_size = "192000" > device.buffering.fragment_size = "96000" > device.access_mode = "mmap+timer" > device.profile.name = "mono-fallback" > device.profile.description = "Mono" > device.description = "<description>" > module-udev-detect.discovered = "1" > device.icon_name = "camera-web-usb" > ports: > analog-input-mic: Microphone (priority 8700, latency offset 0 > usec, available: unknown) > properties: > device.icon_name = "audio-input-microphone" > active port: <analog-input-mic> > > One part of what am trying to do is create a virtual microphone that > takes input from speech-dispatcher-espeak-ng persistently or route > output from speech-dispatcher-espeak-ng to the microphone, so that > when capture the microphone the output will be from speech-dispatcher. > How to achieve that? $ pacmd load-module module-null-sink sink_name=feed_espeak_to_me $ pacmd update-sink-proplist feed_espeak_to_me device.description="\"Feed Espeak\"" $ pacmd update-source-proplist virtual_mic_espeak_output device.description="\"ESpeak output virtual mic\"" Point Espeak's output to the "Feed Espeak" sink, and point your recording application at the "ESpeak output virtual mic". --Sean _______________________________________________ pulseaudio-discuss mailing list pulseaudio-discuss@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss
