Audio interface - Wikipedia

Telephone hybrid - Wikipedia

CV/gate - Wikipedia

UI Case Study: Wikipedia :: Behance

Digidesign MBOX 2 USB ProTools Audio Interface

USB - Wikipedia

Sound server - Wikipedia

Audacity (audio editor) - Wikipedia

File:Common Interface structure.svg - Wikipedia

SID - C64-Wiki

Soundkarte – Wikipedia

Sound card mixer - Wikipedia

Sound module - Wikipedia

Acoustic coupler - Wikipedia

Advanced Linux Sound Architecture - Wikipedia

File:M-Audio M-Track Eight 8-channel USB audio interface - angled left - 2014 NAMM Show (by Matt Vanacoro).jpg - Wikimedia Commons