An audio system for multimedia computer systems and method for use are provided including an audio module having speakers, a microphone and associated circuitry. The audio module is adapted to be interposed between a monitor and a monitor pedestal such that the audio module swivels and tilts...http://www.google.com.hk/patents/US5701347?utm_source=gb-gplus-share專利 US5701347 - Audio system for a personal computer
