Guide system and method with translation function based on radio
A technology of radio and tour guide, applied in the field of tour guide system
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[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0015] Such as figure 1 As shown, a circuit block diagram of an existing radio is provided, which includes an input tuning circuit 12, a high-frequency amplifier circuit 13, a detection circuit 14, a low-frequency amplifier circuit 15, and a loudspeaker 16; the tuning circuit 12 is used to adjust the received radio frequency, In order to switch between different FM stations, the detection circuit 14 is used to modulate the audio signal from the high-frequency narrow-wave signal so as to restore the original signal. The high-frequency amplifier circuit 13 amplifies the received high-frequency signal for demodulation by the detection circuit 14 . The low-frequency amplifying circuit 15 is used for amplifying the demodulated signal, and inputting the amplified signal into the speaker 16 for playback. The input tuning circuit 12 is provided with a variabl...
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