A simultaneous interpretation device based on visible light communication technology and its working method
A technology of visible light communication and simultaneous interpretation, applied in transmission systems, natural language translation, free space transmission, etc., can solve problems such as inability to choose languages independently, poor security, poor anti-interference ability, etc. Strong, avoid the effect of wiring
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[0052] The present invention will be further elaborated and illustrated below in conjunction with the accompanying drawings and specific examples.
[0053] The present invention proposes a simultaneous interpretation device based on visible light communication technology and its working method, such as figure 1 Shown, including sending module and receiving module. The sending module includes four digital audio acquisition units, data integration unit, LDPC encoding unit, PPM modulation unit, rate control unit, LED light emitting unit; the receiving module includes light detection unit, PPM demodulation unit, LDPC decoding unit, RAM storage unit , logic control unit, digital audio output unit.
[0054] The digital audio collection unit collects the analog audio signals in four languages translated by four interpreters through four microphones, and performs analog-to-digital conversion to output digital audio signals; the digital audio signal output by the digital audio colle...
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