| 摘要 |
<p>A signal processing circuit, for each string of a musical instrument which string is individually tuned to a frequency, includes a transducer (42) adjacent to the string and an equalizer (44) connected to an output circuit (46). The equalizer (44, 52) is set to emphasize a signal present in a frequency range of the tuned frequency of the string and/or its harmonics. It (44, 50) also de-emphasizes at least low end frequencies below the operating range of the string. A mid-range frequency device (56) is provided in the equalizer to produce characteristic mid-range response for a specific acoustic instrument. If the transducer (42) produces an inherent resonance at a characteristic frequency, the equalizer (44, 58) will also de-emphasize the inherent resonance produced by the transducer at the characteristic frequency of the transducer.</p> |
