Method and apparatus for filtering and compressing sound...

Method and apparatus for replacing a voice with an original lead

Method and system for selectively and variably attenuating...

Method for noise reduction of a FM signal

Method for noise reduction of a FM signal

Method for preventing an output device from being damaged

Method of and apparatus for extending the useful dynamic range o

Method to electronically clarify sound or picture information an

Microphone expander

MOSFET analog signal squaring circuit

Multi-band audio compressor with look-ahead clipper

Multi-band programmable compression system

Multi-channel audio signal limiter with shared clip detection

Multipoint communication apparatus with reduced number of audio