Communication device and output sidetone adjustment method thereof

Telephone apparatus, method of controlling telephone apparatus, and program

Dynamically adjustable sidetone generation

Echo cancellation method and terminal, computer storage medium

Image processing apparatus, control method, and program storage medium that convert gray highlight color values from not targeted to being targeted for background color removal

Image processing apparatus with removal of under-color background image, method of controlling the same, and storage medium

Reduced Acoustic Coupling

Digital audio system of an aircraft

Frequency-dependent sidetone calibration

Earpiece with hollow elongated member having a nonlinear portion

Distributed VAD control system for telephone

METHOD, DEVICE, AND COMPUTER-READABLE STORAGE MEDIUM FOR PRODUCING DIGITAL SIDE TONE

Automatic sidetone control

Method and apparatus for providing sidetone feedback notification to a user of a communication device with multiple microphones

Systems and methods for altering speech during cellular phone use

Combined sidetone and hybrid balance

Telephone line interface, side-tone attenuation circuit and method

Transmitter-receiver

Combined sidetone and hybrid balance