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
Process for manufacturing a self-sealing composition
Vacuum cleaner
Continuous geospatial tracking system and method
Lettuce sister lines PX06514083, PX06514153, PX06514201 and PX06514204
Orbing and lighting systems
Controller with screen
Vibration power generator and vibration power generation device, and communication device and electronic equipment with vibration power generation device
  Randomly Featured Patents
Narrow band laser with fine wavelength control
Cartridge and method for the preparation of beverages
Hand sign
Alphanumeric keypad
Diagnostic method of selecting appropriate cancer treatments and screening method of measuring reagents and curative medicines for cancer patients
Remote-control system for closures
Prioritization and queuing of media requests
Blind spot monitoring system
Coextruded film for chub packages
Multi-lumen coaxial catheter and method for making same