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Enable audio output/input with USB sound card dongle on Amlogic Tv Boxes

Enable audio output/input with USB sound card dongle on Amlogic Tv Boxes

I have installed Armbian community images several times on different tv boxes that have an Amlogic S905x3, and usually there was no sound ♫. I wanted to get sound out of the tv box. So, I purchased a generic USB sound card audio dongle from Aliexpress for about $2 to $3 USD. (see attached photo). The USB audio device is described in Linux as a Texas Instruments PCM2902 Audio Codec (USB PnP Sound Device device 0 USB Audio), and when you run the command lsusb you will see the id numbers 08bb:2902.
The previous post was mostly for slightly older releases of Armbian which includes Ubuntu 23 or Debian 10 and lower releases installed on a Tv Box.   This short guide is for Ubuntu 24.04 and later releases installed on a Tv Box. This guide should also work for latest versions of Debian (but I didn't test it). Get a generic USB "sound card" audio adapter dongle from AliExpress, eBay, Amazon (etc). See the photo posted above (LINK). These gadgets are often between $2 and $5 USD but they