| 摘要 |
FIELD: medicine. SUBSTANCE: device has microphone, amplifier, compressor, frequency component analyzing unit, and electromechanical transducers, as well as n power amplifiers. Each of band-pass filters is series-connected to respective electromechanical transducer through amplitude detector, modulator and power amplifier. Modulator control inputs are connected to pulse generator. EFFECT: extended range of frequency component conversion. 1 dwg
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