Blog
Using amixer
With the introduction of PulseAudio in Raspberry Pi OS the Raspberry Pi foundation decided to make the system easier to use for normal desktop use cases. However, this added layer in the audio processing creates new problems for users that simply want to change the hardware volume controls of a sound card. We have created a small document that shows how to use the “amixer” command line tool, even if the HiFiBerry mixer controls seem to be hidden.
November 30, 2021