The electronic tour guide system is composed of transmitter and multiple receivers. The transmitter is equipped with a lap-clip microphone or a headset microph...

  The scenic spot identification with audio video guide system player of electronic tour guide is set in the relevant scenic spot to send the identification...

 Compared with the general museum explainer, the second generation of explainer used in the museum is less influenced by the environment and is suitable for indoor us...

  Audio Equipment difference between Analog And Digital Signals An analog signal is a constantly changing physical quantity representation of...

The digital audio wireless tour guide system is composed of transmitter and multiple receivers. The transmitter is equipped with a lap-clip microphone or a headset microph...