SOLVED USB Audio Codec i have a behringer Xenyx Q502USB mixer and sound prefrences recognizes that there is an output there, but it doesn't recognize that there is an input. When I unplug the USB port whilst Youtube is playing, sound. Microphone 2- USB Audio CODEC driver is a windows driver. For years, Sony has always equipped its Walkman players with the proprietary WM port for connecting to a PC. For more information, see Codecs, frequently asked questions. This program plays a WAV file pre-loaded into the RAM.
