HANDHELD DEVICE WITH MICROPHONE
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United States of America Patent
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Issued Date -
Jan 5, 2017
app pub date -
Feb 2, 2015
filing date -
Feb 4, 2014
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Abstract
A handheld device comprises a microphone (12) for converting speech into an audio signal. The device also comprises an audio signal amplifier (13) for amplifying the audio signal, and means (14) for adjusting the gain of the audio signal amplifier. The device further comprises means (15) for determining an orientation of the device with respect to a horizontal plane. The device is configured to adjust the gain of the audio signal amplifier in a dependence on the determined orientation of the device. The device is further configured to adjust the gain of the audio amplifier to a first value when the device is oriented essentially horizontal and to a second value when the device is oriented essentially vertical, the first value being higher than the second value.
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