Selective enabling of a component by a microphone circuit

摘要

A microphone circuit includes a microphone configured to generate a microphone signal. The microphone circuit also includes a processor configured to perform sound detection based on the microphone signal and to determine whether to enable a component based on the sound detection. For example, the processor may be a digital signal processor (DSP) of the microphone circuit and the component may be external to the microphone circuit, such as a coder/decoder (CODEC), another DSP, and/or an application processor.

主权项

1. An apparatus comprising:
a microphone of a microphone circuit, the microphone configured to generate a microphone signal; and a processor of the microphone circuit, the processor configured to perform sound detection based on the microphone signal, to generate an enable signal based on a result of the sound detection, and to transmit the enable signal to enable a coder/decoder (CODEC).