Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masaki Matsuoka2
Shigeki Namiki2
Date of Patent
February 18, 2014
Patent Application Number
12681550
Date Filed
September 29, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
An audio signal interpolation device is presented, including an input unit for receiving an input audio signal, a phase splitting unit for splitting the input audio signal, a high range interpolation unit for interpolating a high range component into the signal, a phase combining unit for combining an in-phase component signal with a differential phase component, a high-pass filter for high-pass filtering the audio signal from by the phase combining unit, a delay unit for producing a delayed audio signal, and an addition processing unit for adding the delayed audio signal to the audio signal output from the high-pass filter.
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