Acoustic signal enhancement system

Apparatus for shielding audio signal circuit

Batteryless power supply for transducers

CMOS high impedance circuit

Electro-magnetic microphone

Electromagnetic interference suppressant assembly

Electronic component assembly for an electronic device and metho

FFT-based technique for adaptive directionality of dual...

Method and apparatus for providing multiple output channels...

Method for controlling the sensitivity of a microphone

Microphone

Microphone circuit with mute and keep alive function

Microphone filter and microphone unit

Microphone for hearing aid and communications applications...

Microphone for hearing aid and communications applications...

Microphone for use on location

Microphone with associated amplifier

Multiplexed microphone signals with multiple signal...

Noise canceling microphone with visual feedback

Recording device and adjustment method of recording device