Automatic volume controlling apparatus
Autotracking microphone squelch for aircraft intercom systems
Circuit for determining that an audio signal is either speech or
Control circuit
Detecting voice activity
Detection of viewing direction by microphone
Dynamic distortion elimination for output audio
Dynamic power sharing in a multi-channel sound system
Dynamic volume adjustment in a slot machine
Electronic audio device and method of operation
Emergency signal warning system
Emergency signal warning system
Environmental noise monitoring
Equalization of speech signal in mobile phone
Fuzzy logic device for automatic sound control
Gain adjusting method and a gain adjusting device
Gunshot detector
Headset visual feedback system
Headset with ambient sound
Hearing aid method and apparatus