| 摘要 |
<p>Present invention relate to an audio conference system, the system comprising: a plurality of operator interface devices (102,104,106,) each operator interface device being connected to an internet protocol (IP) network (110); and an audio mixing and routing hub (108), the hub (108) being connected to each operator interface device (102,106,108) through a duplex internet protocol audio channel over the IP network. The hub (108) is configured to: receive at least a first primary audio stream from at least one of the operator interface devices; mix the primary audio streams to produce a first mixed audio stream; and transmit the first mixed audio stream to at least one of the operator interface devices.</p> |
