Electret-condenser microphone

Electroacoustic transducer and a method for manufacturing thereo

Electroacoustic transducer of digital type

Electroacoustic transducer system

Electroacoustic transducer with piezoelectric diaphragm

Electronic device accessory

Electronic driving circuit for directing an audio signal...

Electrostatic transducer unit

Electrostatic transducer, driving circuit of capacitive...

Electrostatic ultrasonic transducer drive control method,...

Fluidic acoustic transducer

Fluidic acoustic transducer

Fully integrated amplified loudspeaker

Harmonic amplifier and corresponding electro-acoustic...

High noise suppression microphone

Hybrid loudspeaker system for converting digital signals to acou

Impedance converter for a condenser microphone

Integrated amplifier and speaker system with improved cooling ef

Integrated audio codec with silicon audio transducer

Interfacing circuit for a removable microphone