A Transceiver for Two-way Voice Signal Simultaneous Interpretation
A voice signal, transceiver technology, applied in transmission systems, electrical components, etc., can solve problems such as complex circuits and unstable operation, and achieve the effect of enhancing error correction capabilities and saving frequency band resources
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[0019] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0020] figure 1 Shown in is the circuit block diagram of the transmitter part of the present invention. The microphone ① generates a voice signal with a frequency of 300Hz-3.4KHz and transmits it to the signal intelligent control module ① for digital up-conversion to realize the up-conversion of the voice signal to 7KHz to generate a signal with a frequency of 7.3KHz-10.4KHz. The signal intelligently controls Module ① can choose the development board integrated with FPGA chip. The microphone ② generates another voice signal of 300Hz~3.4KHz, which is transmitted together with the up-converted signal generated by the signal intelligent control module ① to the dual-channel mixing module to generate a signal with an amplitude and a peak value of 3V. The mixing module can choose a two-way audio mixing mixing board. The mixed signal is collected by...
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