Sound processing apparatus

Details Sound processing apparatus Sound processing apparatus

1994-12-13

1996-10-22

Isen, Forester W.

Electrical audio signal processing systems and devices

Including frequency control

381 56, 381 92, H03G 500

Patent

active

055685595

ABSTRACT:
A sound processing apparatus in which the levels of audio signals from which have been extracted signals of a frequency band lower than a predetermined frequency band are controlled by using signals of the predetermined frequency band extracted from audio signals that are converted from sound waves generated from a sound source and by using signals that are extracted from the above audio signals and are lying within a frequency band lower than the above predetermined frequency band, and the signals of which the levels are controlled and the audio signals are combined together and are output. The sound processing apparatus is capable of removing noise components such as wind noise from the audio signals despite of its simple constitution.

REFERENCES:
patent: 3854117 (1974-12-01), Fothergill
patent: 4195360 (1980-03-01), Fothergill
patent: 5214707 (1993-05-01), Fujimoto et al.

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