Electrical audio signal processing systems and devices – Binaural and stereophonic
Reexamination Certificate
2006-08-08
2011-10-11
Chin, Vivian (Department: 2614)
Electrical audio signal processing systems and devices
Binaural and stereophonic
C381S093000, C381S094100, C381S098000, C381S017000
Reexamination Certificate
active
08036389
ABSTRACT:
An apparatus and method of canceling a vocal component includes a first vocal canceling unit to delay each of the left and right channel input signals for a predetermined time and to feed-forward cross mix the delayed left and right channel signals with the left and right channel input signals, a sound stage widening unit to delay each of the left and right channel signals output from the first vocal canceling unit for a predetermined time and to feedback cross mix the signal of each delayed channel signals with the left and right channel signals, and a second vocal canceling unit to low-pass filter the left and right channel signals output from the sound stage widening unit and to mix the low-pass filtered left and right low frequency components and a high frequency component of the difference between the left and right channels to cancel the vocal component from an audio signal.
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Search Report dated Apr. 1, 2008, from Dutch Patent Office with respect to Dutch Patent Application No. 1032500.
Chin Vivian
Samsung Electronics Co,. Ltd.
Stanzione & Kim LLP
Zhang Leshui
LandOfFree
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