Patent ID: 7151838
Filing Date: 2006-12-19
Classification: H04R

Abstract:
1. A digital hearing aid for conserving a life of a battery comprising: an audio input device that receives audio signals from the environment; a processor that processes the audio signals; an audio amplification circuit; and a controller that communicates with the audio input device, the processor, and the audio amplification circuit and that determines a magnitude of the audio signals, wherein the controller adjusts parameters of at least one of the audio input device, the processor and the audio amplification circuit if the magnitude of the audio signals is less than a predetermined threshold for a first period; and wherein the controller multiplexes the processor between a power-saving state and a sound-processing state in which said audio signals from the environment are processed, and further multiplexes the power-saving state into a first portion in which power to the processor is reduced and a second portion in which the power to the processor is maintained to allow the processor to perform tasks other than processing said audio signals from the environment.