| 摘要 |
<p>A portable communication device for conference calls, comprising at least first and second speech encoder paths with first and second inputs (2a, 2b, 3) for connection to first and second recording devices (4, 5), respectively, and at least one support (6, 7) connected to signal processor means (8; 8') for receiving and processing first and second electronic signals from said recording devices (4, 5) via said first and second speech encoder paths for transmission to a transmitter/receiver (10) operatively connected to said signal processor means (8, 8'), wherein said apparatus is adapted to receive said first and second electronic signals simultaneously even if the signals are different, and said apparatus comprise a summator (8; 27) adapted to sum said first and second electronic signals into a sum signal for transmission to said transmitter/receiver (10).</p> |
