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To use USB mini microphone on Raspbian - Wiki
http://wiki.sunfounder.cc/index.php?title=To_use_USB_mini_microphone_on_Raspbian#:~:text=Test%3A%20You%20can%20open%20the%20Terminal%20and%20enter,the%20command%3A%20arecord%20-D%20plughw%3A1%2C0%20-d%203%20test.wav
Testing Audio | USB Audio Cards with a Raspberry Pi ...
https://learn.adafruit.com/usb-audio-cards-with-a-raspberry-pi/testing-audio
speaker-test -c2. Which will play white noise through the left and right 'speakers' on the audio card. Once you've got something coming out, try to play an audio file with speaker-test (for WAV files, not MP3) speaker-test -c2 --test=wav -w /usr/share/sounds/alsa/Front_Center.wav. If you want to play a stream of music, you can try
Raspberry Pi: Test Sound Output - tinkerBOY
https://www.tinkerboy.xyz/raspberry-pi-test-sound-output/
If you’re wondering how to test the left and right audio channel of your Raspberry Pi whether using an external USB sound device or the builtin audio you’ve come to the right place. Connect to your Raspberry Pi via SSH or open the Terminal application. The simplest way to test the sound is to use the speaker-test command. Enter the following to test sound from your …
Connect, Configure and Test USB Microphone and …
https://iotbytes.wordpress.com/connect-configure-and-test-usb-microphone-and-speaker-with-raspberry-pi/
Using a USB Audio Device With a Raspberry Pi
https://computers.tutsplus.com/articles/using-a-usb-audio-device-with-a-raspberry-pi--mac-55876
Now that I’ve set the USB audio device as the default audio output for the Raspberry Pi, it’s time to test it to ensure it is working. Connect a set of speakers to the USB audio device and then start playing audio through them. Raspian includes a number of test sound clips I can use to check that everything is working properly.
Configure Raspberry pi with USB Audio · GitHub
https://gist.github.com/rnagarajanmca/63badce0fe0e2ad126041c7c139970ea
#-D - Device #-c Channels pi@raspberrypi: ~ $ speaker-test -t wav -c 2 -D hw:0 speaker-test 1.0.28 Playback device is hw:0 Stream parameters are 48000Hz, S16_LE, 2 channels WAV file(s) Rate set to 48000Hz (requested 48000Hz) Buffer size range from 96 to 262144 Period size range from 48 to 131072 Using max buffer size 262144 Periods = 4 was set period_size = …
Use USB Sound Card in Raspberry Pi : 5 Steps - …
https://www.instructables.com/Use-USB-Sound-Card-in-Raspberry-Pi/
The Raspberry Pi should detect the USB Sound Card and load the kernel module (device driver) automatically. However, this is not guaranteed. So I need to check. Open terminal: sudo tail -f /var/log/messages. Refer to screenshot. The lines are irrelevent because I have not connected the USB Sound Card to Raspberry Pi yet.
Using a USB Audio Device with the ... - Raspberry Pi Spy
https://www.raspberrypi-spy.co.uk/2019/06/using-a-usb-audio-device-with-the-raspberry-pi/
At this point we know that the device has been detected, is a C-Media type and is considered “card 1” by the audio sub-system. Set USB Audio as Default Audio Device. The USB sound device can be made the default audio device by editing a system file “alsa.conf” : sudo nano /usr/share/alsa/alsa.conf. Scroll and find the following two lines:
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