Patent ID: 8767976
Filing Date: 2014-07-01
Classification: H04N,H04R,H04S

Abstract:
1. A sound pickup device comprising: a first housing; a second housing coupled to the first housing and configured to change a position of the second housing with respect to the first housing; a first microphone mounted on the first housing and configured to output a first audio signal based on sound picked up by the first microphone a second microphone mounted on the second housing and configured to output a second audio signal based on sound picked up by the second microphone; a detection unit configured to detect the position of the second housing with respect to the first housing; a control unit connected to the detection unit and configured to determine a plurality of control details for changing directional characteristics of the first and second microphones based on the position of the second housing detected by the detection unit; and a directional control unit connected to the first and second microphone and configured to perform signal processing on the first and second audio signals based on the control details, the signal processing including changing a delay amount according to a change of the position of the second housing with respect to the first housing, the delay amount being n determined based on a difference between a time when a sound reaches the first microphone and a time when the sound reaches the second microphone.