linux alsa asoc summary

1. Introduction In the absence of computers, such as the radio that was heard when young, it received electromagnetic waves and demodulated the modulated sound signals. The sound signal was converted to analog electrical signals, and amplified by a suitable amplifying circuit, it could be sent directly to the headset or loudspeaker. The follo ...

Posted on Tue, 28 Sep 2021 04:46:34 -0400 by rledieu

Introduction to controls in alsa

mixer Mixer control is used for routing control of audio channel. It is composed of multiple inputs and one output. Multiple inputs can be freely mixed together to form a mixed output: For the mixer control, we can think of it as a combination of multiple simple controls. Usually, we will define a single simple control for each input end o ...

Posted on Thu, 23 Sep 2021 07:30:04 -0400 by figment