| 摘要 |
A system for the transmission of speech and music to the seats of a bus or coach has, for each seat (2), a programme selector switch (4), an amplifier (5) with a volume control, and a pair of stereo loudspeakers (3). The system also includes similar components at the driver's seat (1), as well as a radio receiver (13), a tape and/or cassette recorder (16), and a microphone or microphones (32, 37, 39). <IMAGE> |
