Acoustic apparatus and method of controlling an acoustic...

Acoustic coupler for skin contact hearing enhancement devices

Acoustic device with means for being secured in a human ear

Acoustic feedback cancelling electro-acoustic transducer network

Acoustic module for a hearing aid device

Acoustic module for a hearing aid device

Acoustic speaker device with a diaphragm having a spider web typ

Acoustical receiver housing for hearing aids

Acoustical receiver housing for hearing aids

Acoustical ribbon transducer loudspeaker system

Acoustical switch for a directional microphone

Acoustics conditioner

Active noise suppression for a hearing aid device which can...

Actuator for an active noise control system

Adaptive cross correlator apparatus comprising adaptive controll

Adaptive dynamic range of optimization sound processor

Adaptive dynamic range optimization sound processor

Adaptive filter including a far end energy discriminator

Adaptive gain and filtering circuit for a sound reproduction sys

Adaptive speech coder having code excited linear prediction