Pulseaudio Hardware Mixer | Audio-Digital.net

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What PulseAudio does to your low-level mixer controls

https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/PulseAudioStoleMyVolumes/

What PulseAudio does to your low-level mixer controls. Since PulseAudio 0.9.16 we merge the capabilities of all hardware mixer controls that are in the mixer pipeline between the application writing the PCM audio and the speakers actually synthesizing the audio waves into one powerful synthetic control, and expose this as our user volume control.

GitHub - Rahix/pavu-mixer: "Hardware Mixer" for PulseAudio

https://github.com/rahix/pavu-mixer

Pavu Mixer. Pavu Mixer is a hardware mixing desk for controlling PulseAudio streams on a connected computer. Think of it as a hardware version of pavucontrol. More pictures in Eyecandy/.. Hardware. The Pavu Mixer is currently just a PCB fitted as the front plate of a console enclosure.This remedies the need for a custom front plate. Beneath it, an STM32F3DISCOVERY …

amixer, multiple sound cards, PulseAudio | HiFiBerry

https://www.hifiberry.com/docs/software/amixer-multiple-sound-cards-pulseaudio/

amixer, multiple sound cards, PulseAudio. To change the volume controls or other settings of most HiFiBerry sound cards, you can use the tool “alsamixer”. However, if you want to debug the settings, the command line tool “amixer” is often the better choice. If everything is just working fine, you can simply run the command “amixer ...

pulseaudio - What is the alsamixer of Pulse Audio? - Unix ...

https://unix.stackexchange.com/questions/58484/what-is-the-alsamixer-of-pulse-audio

Pulseaudio uses Alsa in quite some extent and you could say it's a layer on top of Alsa. There's pavucontrol (on Debian/Ubuntu also the package name). It allows you to do a little bit more configuration on the Pulseaudio server and Pulseaudio-managed things like Bluetooth audio profile selection.

[Solved] PulseAudio does not use hardware volume control ...

https://bbs.archlinux.org/viewtopic.php?id=260104

Unfortunately PulseAudio doesn't use hardware volume control for my USB soundcard (Apogee Groove). The HW_VOLUME_CTRL flag is not listed when I run pacmd list-cards. I can change the hardware volume using alsamixer and then selecting the Groove sound card. Apparently PulseAudio is not able to detect the hardware volume mixer:

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