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
Display sheet, display device, and electronic apparatus
Mobile device case with storage compartment
Simultaneous enhancement of transmission loss and absorption coefficient using activated cavities
Vehicle lamp component
Technique for manufacturing bit patterned media
Round carrying case
Providing a multi-tenant knowledge network
  Randomly Featured Patents
Resistor anode assembly
Penile prosthesis
Pharmaceutical compositions containing N-propargylphentermine and related analogs to treat neurodegeneration and/or depression
Device for use with a packaging machine for continuous singulating of a packaging container chain
Additive process for manufacturing a mask for use in X-ray photolithography and the resulting mask
Synthesis of acyclic nucleoside derivatives
Current limiter
Grain moisture sensor
Non-volatile memory technology suitable for flash and byte operation application
Method of forming composite wound structure