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
Secure Flash-based memory system with fast wipe feature
Digital photographing apparatus and control method for evaluating validity of an auto-focus operation
Solid-state imaging device and electronic apparatus with antireflection structure
Resist underlayer film forming composition for lithography, containing aromatic fused ring-containing resin
Detecting mirrors on the web
Image forming apparatus
Wideband antenna
  Randomly Featured Patents
Method for separating and recovering nickel and lithium
Optical modulator, optical waveguide device and acousto-optic tunable filter apparatus
Method of positioning plate cylinders in a multi-color rotary printing machine
Method and system to improve the transport of compressed video data
Chromanone derivatives and compositions containing them
Adjustable shelving
Tub enclosure
Image processing apparatus and control method thereof
Marker assembly
Test socket for an IC device