Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ivan Setiawan0
Yoshihide Iwata0
Ryo Tsutsui0
Date of Patent
March 9, 2010
Patent Application Number
11364116
Date Filed
February 28, 2006
Patent Citations Received
Patent Primary Examiner
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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