Title:
SOUND PICKUP SYSTEM COMPRISING VIDEO SYSTEM FOR PARAMETER SETTING AND ITS SETTING METHOD
Document Type and Number:
Japanese Patent JP3575775
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a sound pickup system combined with a video aiming system and a setting method for a characteristic parameter for sound pickup.
SOLUTION: This system is provided with a control unit 300, a means 400 for setting a characteristic parameter, a video camera 100, a picture screen 200 and a means 500 for connecting this screen to a characteristic parameter setting means of each sound reception channel 400 other than a sensor network 600 and can control parameter setting for a position and size of sound source by overlapping pictures. A setting method for a characteristic parameter for the sound pickup makes linear execution of a digital filter coefficient interpolation possible in relation to time. It is applicable to the sound pickup system for a conference room.
Inventors:
Eve Grunier
Application Number:
JP34988495A
Publication Date:
October 13, 2004
Filing Date:
December 21, 1995
Export Citation:
Assignee:
FRANCE TELECOM
International Classes:
H04N5/225; G09G5/00; H03H21/00; H04R1/40; H04R3/00; (IPC1-7): H04R3/00; H03H21/00; H04N5/225; H04R1/40
Domestic Patent References:
| JP6303692A | ||||
| JP6269082A | ||||
| JP6261388A |
Attorney, Agent or Firm:
Takashi Koshiba