Noise suppression apparatus, noise suppression control device, noise suppression program and noise suppression method

摘要

The plural receiving sound sections and the cooperation which output the husband correspondence number on the basis of the sound which receiving sound is done it is possible, the variation guidance section and the degree of variation which guide the degree of variation which digitalizes the variation which is based on the oppression section which oppresses noise by the fact that the noise component of the oppression quantity which is guided on the basis of the plural correspondence numbers where appeals the said receiving sound section appeals and in the noise oppression device which oppresses the noise which is included in the sound which sound is done, is output from the sound section is decreased from the correspondence number and the spectrum which converts the plural correspondence numbers to the component on the frequency axis are above specified variation thresholdThe noise oppression device and the noise suppression control device which try to oppress noise by the fact that it has with the adjustment section which adjusts the oppression quantity according to the decision result of presence of occurrence of the wind noise with the decision section and the decision section which it decides that when, the wind noise due to severe criticism occurs, as for the oppression section, it decreases the noise component from the correspondence number on the basis of the oppression quantity which was adjusted by the adjustment section, noise oppression method and the noise oppression program.