Voice activation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Jul 20, 2006
app pub date -
Jul 19, 2005
filing date -
Jan 14, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A circuit and a method are given, to realize a very flexible voice activation system using a modular building block approach, that is adaptively tailored to handle certain relevant and case specific operational characteristics describing most of the possible acoustical differing environmental cases to be found in the field of speech recognition. Included are determinations of 'Noise estimation and 'Speech estimation' values, done effectively without use of Fast Fourier Transform (FFT) methods or zero crossing algorithms only by analyzing the modulation properties of human voice. Said circuit and method are designed in order to be implemented with a very economic number of components, capable to be realized with modern integrated circuit technologies.
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