Digital multi-channel voice processor for artificial cochlea
A voice processor and cochlear implant technology, applied in the fields of electronic information technology and medical equipment, can solve the problems of low integration, complex structure, simple function of voice processor, etc., and achieve the effect of reducing complexity and improving performance
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[0016] The digital multi-channel speech processor for cochlear implant that the present invention proposes, its structural block diagram is as follows figure 1 As shown, it includes: a voice acquisition circuit composed of two microphones, used to collect two channels of voice or one voice and one noise signal; an automatic gain control circuit, used to adjust the dynamic range of the above voice signal; an analog-to-digital converter, used Convert the voice signal into a digital signal, digitize the modulated signal and feed it back to the digital signal processor; the digital signal processor is used to process the digital signal to generate a coded modulated signal; the modulator is used to Modulate the above modulated signal onto the set carrier frequency signal, and perform power amplification; the comparator is used to digitize the signal output by the modulator and feed it back to the signal processor; the computer interface circuit is used for the voice processor and C...
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