usb audio class 2 dac design - SERP Analysis

https://forum.headphones.com/t/mis-understanding-usb-audio/6719

https://www.cambridgeaudio.com/usa/en/blog/our-guide-usb-audio-why-should-i-use-it

https://www.reddit.com/r/audiophile/comments/12lapka/wha_usb_specification_do_most_dacs_use/

https://summivox.wordpress.com/2017/02/23/making-myself-a-usb-dac-headphone-amp-usb-interface/

https://www.avrfreaks.net/s/topic/a5C3l000000UKEJEA4/t091557

https://www.zorloo.com/ztella%3Fsrsltid%3DAfmBOoryvnV7MIj5dXE6EMZ-pCK4GZwmE0s5nhlI4LDfTlVyXZu0VwNJ

https://www.diyaudio.com/community/threads/looking-to-design-usb-dac.219223/

https://source.android.com/docs/core/audio/usb

https://www.eevblog.com/forum/microcontrollers/usb-audio-class-2-0-on-a-microcontroller/

https://www.audiosciencereview.com/forum/index.php%3Fthreads/understanding-usb-interface-performance-limitations.17254/