Abstract: The present invention is in the field of booster stage circuit for a power amplifier, and an external supply voltage power amplifier comprising said booster stage circuit, such as for amplifying an electronic signal to a speaker system. These amplifiers may be provided with an external supply voltage.
Abstract: The present invention is in the field of an intra ear canal hearing aid, a pair of said hearing aids and use of said hearing aids. Such a hearing aid is designed to improve or support hearing. It typically relates to an electroacoustic device that is capable of transforming sound, thereby reducing noise and typically amplifying certain parts of the audio frequency spectrum. In addition such as hearing aid may improve directional perception of sound.
Type:
Grant
Filed:
March 30, 2018
Date of Patent:
January 11, 2022
Assignees:
AXIGN B.V., NOVIOSOUND B.V.
Inventors:
Jeroen Langevoort, Arthur Perry Berkhoff, Arnoldus Johannes Maria Baltussen, Reinier van 'T Hooft, David George Bradford
Abstract: The present invention is in the field of programmable pulse width modulator (PWM) controller comprising filters and a mixer, such as for use in a digital audio converter and digital amplifier controller, a chip comprising said PWM controller, a device comprising said PWM controller or said chip, as well as uses thereof.