Patent ID: 9361902
Filing Date: 2016-06-07
CPC Classification: G10K,G10L,H04R

Claim Text:
1. An earhole-wearable sound collection device comprising: an attachment unit having at least a portion to be inserted into an earhole portion, the attachment unit forming a substantially sealed internal space therein when attached to the earhole portion, the internal space connecting to an ear canal; an internal microphone configured to collect emitted speech voice that is emitted by a wearer and propagates through the ear canal when the attachment unit is attached to the earhole portion, the internal microphone being located in the internal space of the attachment unit; an equalizing unit configured to perform an equalizing process of a high-frequency emphasizing type on a sound collection signal from the internal microphone; a speaker located in the internal space of the attachment unit; and a noise cancelling unit configured to cause the speaker to output noise cancelling sound based on a sound collection signal from a microphone provided for the attachment unit, the noise cancelling sound being output to reduce noise that propagates in the internal space of the attachment unit.