APPARATUS WITH A SPEAKER USED AS SECOND MICROPHONE
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United States of America Patent
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Issued Date -
May 21, 2015
app pub date -
Nov 19, 2014
filing date -
Nov 20, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An apparatus comprising at least a first microphone with a first acoustic sensitivity to provide a first microphone signal and a second microphone with a lower second acoustic sensitivity to provide a second microphone signal, that apparatus furthermore comprises a signal processor that is built to process the first microphone signal to be recorded and/or transmitted and an overload detector to detect an overload of the first microphone signal and wherein the signal processor in case of a detected overload is built to process the second microphone signal to substitute the first microphone signal to be recorded and/or transmitted during the time period in which the overload of the first microphone signal is detected, which apparatus furthermore comprises at least a first speaker built to receive a first speaker signal and transform it into acoustic sound, in a speaker mode of the first speaker, while the apparatus is built to use the first speaker as second microphone, in a microphone mode of the first speaker.
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