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
Delay interferometer using magneto-optic effect of a variable faraday rotator
Small molecule inhibitors of kynurenine-3-monooxygenase
Mitigating single point failure of devices in an analyte monitoring system and methods thereof
Wind driven generator for vehicles
Cosmetic product including vegetable oil blend
Delivery of captions, content advisory and other data through digital interface
Vehicle control apparatus
  Randomly Featured Patents
Electric discharge machine including electrode configuration sensor
Microtunneling systems and methods of use
Communication device
Foldable crates
Vehicle door lock with a centrally-operated locking unit
Structural framework detailing tool
Method and apparatus for validating and configuring database transaction requests from multiple clients
Container opening apparatus
Connector plate for fabricating buildings
Method for melt-molding water-soluble vinyl alcohol polymers