US Patent 7676043 Audio bandwidth expansion
Patent 7676043 was granted and assigned to Texas Instruments on March, 2010 by the United States Patent and Trademark Office.
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Patent abstract
Bandwidth expansion for audio signals by frequency band translations plus adaptive gains to create higher frequencies; use of a common channel for both stereo channels limits computational complexity. Adaptive cut-off frequency determination by power spectrum curve analysis, and bass expansion by both fundamental frequency illusion and equalization.
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Patent Inventor Names
Ivan Setiawan0
Ryo Tsutsui0
Yoshihide Iwata0
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US Patent 07676043 Audio bandwidth expansion US Patent 7676043 Audio bandwidth expansion
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Patent Number
07676043
Patent Number
7676043
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Official Website
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US Patent 07676043 Audio bandwidth expansion
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Is a
Current assignee
Patent jurisdiction
Patent number
07676043
Date of patent
March 9, 2010
Patent application number
11364116
Date Filed
February 28, 2006
Patent primary examiner
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