Send filter for an echo canceler
Signal capture for telecommunications switch
Signal processing
Single-ended echo cancellation system and method
Single-sided subband filters
Small array microphone for acoustic echo cancellation and...
Software-based bridging system for full duplex audio telephone c
Solid state isolation device using opto-isolators
Solid state isolation device using opto-isolators
Sound event processing with echo analysis
Speaker-phone system change and double-talk detection
Speakerphone having improved outbound audio quality
Spectrum-based adaptive canceller of acoustic echoes arising...
Speech signal processing with combined noise reduction and...
Stable adaptive filter and method
Stable adaptive filter and method
Statistical adaptive-filter controller
Step size convergence control
Structure and method for echo reduction without loss of...
Subband acoustic echo canceller