Audio conferenceing system

摘要: A computer workstation receives multiple audio input streams over a network in an conference. The are kept separate by storing them different queues. Digital samples from each of the queues transferred to adapter card 28 for output. digital signal processor 46 on multiplies stream its own weighting parameter, before summing together Thus relative volume output can be controlled. For block data, is calculated and displayed user, allowing user see independently. also provided with control stream, which effectively adjusts thereby alter volumes speaker