Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Echo canceler










Image Number 6 for United States Patent #8130941.

An echo canceler 10 generates an echo elimination signal by filtering through adaptive filters 101 and 102 reference signals input from sound sources causing echoes. It includes a sound source number detecting unit 103 for detecting the number of the sound sources causing echoes from the reference signals, and a control unit 105 for making the number of taps of the adaptive filters 101 and 102 variable in accordance with the number of the sound sources detected by the sound source number detecting unit 103.








 
 
  Recently Added Patents
Modular microscope construction
Storing a location within metadata of visual media
RF/optical shared aperture for high availability wideband communication RF/FSO links
Primed stem cells and uses thereof to treat inflammatory conditions in joints
Products for animal use including humans having a certificate verifying at least one of efficacy or safety, and methods of providing such certificates
Semiconductor device manufacture in which minimum wiring pitch of connecting portion wiring layer is less than minimum wiring pitch of any other wiring layer
Method of predicting a motion vector for a current block in a current picture
  Randomly Featured Patents
Method to detect and mitigate unsolicited exotherms in a diesel aftertreatment system
Device and method for controlling the filling of a cup by a vending machine
Speed and torque sensitive clutch assembly
Apparatus for the extension and retraction of a peripheral device
Tunable multiwalled nanotube resonator
Method of treating mites in poultry
Recording medium having recorded thereon coded information using plus and/or minus rounding of images
Resin-metal-ligand composition
Optical module and optical connector having same
Toner dispensing control