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How to test microphone with Audio Linux Sound Architecture ...
https://linuxconfig.org/how-to-test-microphone-with-audio-linux-sound-architecture-alsa
How to test microphone step by step instructions. First step is obtain a list of all microphone devices. To do so execute: # arecord -l **** List of CAPTURE Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: ALC662 rev3 Analog [ALC662 rev3 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 2: ALC662 rev3 Alt Analog …
Media Support/Linux/Audio Tests - The Document …
https://wiki.documentfoundation.org/Media_Support/Linux/Audio_Tests
Media Support/Linux; Media Support/Linux#Audio and Video Support; Audio Test Results Audio: 4.2.3. Notes from Jay's testing in tdf#79468: Did extensive testing of all video formats on a clean installation of Ubuntu 14.04 with the only installation being the ubuntu-restricted-extras package from the software center (list of package dependencies). Testing was done by converting a …
Troubleshooting Linux Sound
http://troubleshooters.com/linux/sound/sound_troubleshooting.htm
The penny test is a test to test your speakers, from the plug that goes into your sound card right through the electronics and speaker drivers. Here's the penny test: Unplug your speakers from the computer (but not from the wall), and rub an American penny or other copper coin along the side of the speaker plug.
speaker-test(1) — Arch manual pages - Arch Linux
https://man.archlinux.org/man/extra/alsa-utils/speaker-test.1.en
Produce 4 speaker sound from two stereo jacks: speaker-test -Dplug:surround40 -c4. Produce 5.1 speaker sound from three stereo jacks: speaker-test -Dplug:surround51 -c6. To send a nice low 75Hz tone to the Woofer and then exit without touching any other speakers: speaker-test -Dplug:surround51 -c6 -s1 -f75. To do a 2-speaker test using the spdif (coax or optical) output: …
How to write a c application code to test a linux audio ...
https://stackoverflow.com/questions/22087822/how-to-write-a-c-application-code-to-test-a-linux-audio-driver
I have an audio driver present in linux kernel that i have. Using alsa utilities like aplay, set and get i want to write a c application to test driver's functionalities like playback, set volume and get volume. I have a confusion that how to use aplay and other alsa commands in a c code. I am doing it for the very first time.
Detect Sound Output in Linux and Use It to Call a Program ...
https://howchoo.com/linux/how-to-detect-that-audio-is-currently-being-output-in-linux-and-use-it-to-call-a-program
How to Detect Sound Output in Linux and Use It to Call a Program (Or Drive a Motor!) Create an audio output monitor script. Connect to your Pi (or other Linux machine) and create the following file. The... Create a script to run as a daemon. This script will start the audio monitor script. ... ...
Speaker-test - Independent ALSA and linux audio support site
https://alsa.opensrc.org/Speaker-test
now in order to test the specific card and device type commands like: speaker-test -Dsurround51:Live -c6 -twav. or you can use something like this. mplayer -ao alsa:device=hw=Live.0 /1.mp3 -af channels=6:2:0:1:0:2. this means:
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