Open back acoustic speaker module
Open ear canal hearing aid system
Open fit canal hearing device
Open-type magnetic circuitry of loudspeaker
Openable eyewear temple structure
Operating apparatus of an audio mixer
Operating device for a hearing aid
Operating device of an electronic equipment mounted on a motor v
Operation panel structure and control method and control...
Optical data cards for operating sound synthesizer system
Optical microphone/sensors
Optical sensing in a directional MEMS microphone
Optically coupled headset and microphone
Optimal sonic separator and multi-channel forward imaging system
Optimal source distribution
Optimized low frequency response of loudspeaker systems having m
Optimized moving-coil loudspeaker
Optimized sound components for hair dryer stereo system
Optimized speech recognition system and method
Optimum driver spacing for a line array with a minimum...