Title:
VOICE SIGNAL PROCESSING DEVICE
Document Type and Number:
Japanese Patent JP2017125937
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a voice signal processor that enables a user to hear only needed voices by restraining influences of noise.SOLUTION: A voice signal processing device 100 is equipped with sound insulators 14L and 14R that restrain inflow of external sounds 500 into the user's external auditory canals, a microphone 21 that collects external sounds 500 and outputs collected sound signals, a first signal processor 23A that removes noise from the collected sound signals and extracts only needed voice signals 502, a second signal processor 23B that generates a cancellation signal 503 for cancelling transmitted sounds 501 not restrained by sound insulators 14L and 14R and transmitted to the external auditory canals from sound signals collected by the microphone 21, and output units 28A and 28B to which a converter that converts the cancellation signal 503 and the needed voice signals 502 into physical vibration and outputs it is connected.SELECTED DRAWING: Figure 4
Inventors:
ASAHI YASUHIKO
Application Number:
JP2016004878A
Publication Date:
July 20, 2017
Filing Date:
January 14, 2016
Export Citation:
Assignee:
YAMAHA CORP
International Classes:
G10K11/178; H04R1/00; H04R1/10; H04R3/00
Attorney, Agent or Firm:
Tatsuichi Murakami