[Alsa-user] Read and write of HID (Human Interface Devices) command using ALSA

Dear community, I am currently controlling the speaker/headset using the ALSA library, like aplay and arecord. As the speaker/headset is connected through USB port, I am wondering does ALSA support HID communication to the speaker/heaset? Thanks! Best regards, Hui

Re: [Alsa-user] arecord with mutiple aplay

s play worked fine, but when adding new channels shows issues. I since then moved to a new HW (a PC in my case) and been able to cope with 3 simultaneous channels with one play and one record on each. Best, Alexandre Le ven. 2 avr. 2021 à 14:46, Zhou, Hui via Alsa-user mailto:alsa-user@lists.sourc

[Alsa-user] arecord with mutiple aplay

Dear community, I am currently working on streaming one input audio to multiple output speakers. Here is the procedures: mkfifo audio.wav arecord -D "input device" audio.wav aplay -D "speaker1" audio.wav aplay -D "speaker2" audio.wav The problem is once I run the "aplay -D "speaker2"