ADAPTIVE MICROPHONE SAMPLING RATE TECHNIQUES
First Claim
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1. An apparatus for adjusting a microphone sampling rate, the apparatus comprising:
- an input to receive an audio signal from a microphone; and
a front-end processing module to;
generate a plurality of frames from the audio signal received by the microphone;
determine a noise profile using the plurality of frames; and
adjust a sampling rate of the microphone based on the determined noise profile.
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Abstract
An apparatus for adjusting a microphone sampling rate, the apparatus including an input to receive an audio signal from a microphone and a front-end processing module. The front-end processing module is to generate a plurality of frames from the audio signal received by the microphone, determine a noise profile using the plurality of frames, and adjust a sampling rate of the microphone based on the determined noise profile.
38 Citations
25 Claims
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1. An apparatus for adjusting a microphone sampling rate, the apparatus comprising:
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an input to receive an audio signal from a microphone; and a front-end processing module to; generate a plurality of frames from the audio signal received by the microphone; determine a noise profile using the plurality of frames; and adjust a sampling rate of the microphone based on the determined noise profile. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for adjusting a microphone sampling rate, the method comprising:
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receiving an audio signal from a microphone; generating a plurality of frames from the audio signal received by the microphone; determining a noise profile using the plurality of frames; and adjusting a sampling rate of the microphone based on the determined noise profile. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A machine-readable medium including instructions for adjusting a microphone sampling rate, which when executed by a processor, cause the processor to perform operations comprising:
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receiving an audio signal from a microphone; generating a plurality of frames from the audio signal received by the microphone; determining a noise profile using the plurality of frames; and adjusting a sampling rate of the microphone based on the determined noise profile. - View Dependent Claims (22, 23, 24, 25)
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Specification