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
Washing machine
Eyeglasses
Compact bus bar assembly, switching device and power distribution system
Illuminating waveguide fabrication method
Nanoparticle entrapment of materials
Satellite mounting pole
Communication apparatus, communication method, and program for exchanging data with a target
  Randomly Featured Patents
Safety railing post and brackets therefor
Method and apparatus for securing an air bag
System and methods for indel identification using short read sequencing
Surface acoustic wave device
Generation of a phase locked loop output signal having reduced spurious spectral components
Continuous business forms assembly
Fungicidal compositions
Combined manual and power starting device for gasoline engines
Antisense oligonucleotide inhibition of papillomavirus
Detergent compositions