Audio spatial environment engine
Audio spatial equalization system
Audio spatial localization apparatus and methods
Audio speaker system for automotive vehicle
Audio speaker system for personal computer
Audio surround system with stereo enhancement and directivity se
Audio system
Audio system
Audio system and method
Audio system for a computer display
Audio system for a personal computer
Audio system for improving a signal to noise ratio
Audio system for vehicular applications
Audio user interface
Audio user interface with selective audio field expansion
Audio-band electro-mechanical vibration converter
Auto voice changing apparatus
Automated stereo synthesizer for audiovisual programs
Automatic dimension control for a directional enhancement system
Automatic frequency control circuit in a stereo FM radio receive