MICROPHONE ARRAYS AND MICROPHONE ARRAY ESTABLISHING METHODS
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United States of America Patent
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Issued Date -
Feb 21, 2013
app pub date -
Aug 16, 2011
filing date -
Aug 16, 2011
priority date (Note) -
Abandoned
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Abstract
A microphone array is provided. The microphone array is disposed on an electrical device, and includes: at least one built-in microphone, being built in the electrical device, having a first frequency spectrum; and an audio processor, coupled to the built-in microphone, for coupling to an external transducer, including: a spectrum estimation unit for estimating a second frequency spectrum of the external transducer.
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