Musical sound reproduction controller with two-stage adjustment

Noise reduction system for binaural hearing aid

Non-occludable transducers for in-the-ear applications

Omnidirectional hearing aid

Online karaoke system with flying start performance

Parallel channel multi mode music amplifier

Pickup amplifier system for public address system

Pitch and rate modifications of audio signals utilizing differen

Pitch changer with glitch minimizer

Power amplifier with clipping level control

Power efficient hearing aid

Power efficient hearing aid

Press-fit ear wax barrier

Processing audio signals with head related transfer function...

Programmable digital hearing aid

Programmable digital hearing aid system

Programmable hearing aid

Programmable hearing aid

Programmable hearing aid

Programmable hearing aid means worn in the auditory canal