[REQ] audio injector soundcard

Please add support for audio injector soundcards http://www.audioinjector.net/

setup

Stereo soundcard http://www.flatmax.org/phpbb/viewtopic.php?f=5&t=3
Octo Sound Card http://www.flatmax.org/phpbb/viewtopic.php?f=9&t=1222
Ultra Sound Card http://www.flatmax.org/phpbb/viewtopic.php?f=11&t=5678