| 摘要 |
PURPOSE:To obtain the crosstalk sound controller which can omit a microphone used for adaptive control and attenuates a crosstalk sound by small-sized hardware to make a desired sound easy to listen to. CONSTITUTION:This crosstalk sound controller consists of an adaptive filter 1a which performs adaptive control over the signal from a sound source 7a, a delay unit 2a which delays the signal from the sound source 7a, an adaptive filter 1b for adaptive control over the signal from a sound source 7b, a delay unit 2b which delays the signal from the sound source 7b, an adder 3a which adds the outputs of the adaptive filter 1b and delay unit 2a, an adder 3b which adds the outputs of the adaptive filter 1a and delay unit 2b, a speaker 4a which reproduces the output of the adder 3a, an acoustic lens 5a which gives directivity to its reproduced sound, a speaker 4b which reproduces the output of the adder 3b, and an acoustic lens 5b which gives directivity to its reproduced sound. |
