Multi-channel wireless radio system
A wireless broadcasting and multi-channel technology, which is applied in the combined audio-visual advertising or display field, can solve the problems of lack of completeness and continuity of voice explanations, unclear sound quality of explanations, high work pressure of tour guides, etc., and achieve high-fidelity and clear sound quality , Play the effect of clear sound
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[0026] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0027] Such as figure 1 Shown is a schematic diagram of the framework of the internal circuit of the multi-channel wireless broadcasting system of the present invention. A multi-channel wireless broadcasting system of the present invention includes a wireless explanation player with 64 to 256 channels and a wireless explanation controller. The wireless explanation controller It includes a housing and a control circuit arranged in the housing. The control circuit includes a power supply circuit, a radio frequency identification module, a key decoding circuit, a FLASH memory, a CPU, an audio decoding circuit, a D / A conversion unit and an audio amplifier. The radio frequency identification The module receives the frequency signal sent by the wireless explanation player to stimulate the CPU to call out the audio content of the FLASH memory, and...
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