SYSTEM AND METHOD FOR STEREO SOUND FIELD EXPANSION
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United States of America Patent
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Issued Date -
Jul 10, 2008
app pub date -
Jan 5, 2007
filing date -
Jan 5, 2007
priority date (Note) -
Abandoned
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Abstract
A system and method for enhancing the stereo sound effect produced by speaker systems having two or more speakers fed by two or more channels or audio, respectively. Second-order high pass filtering is applied to first and second audio signals of a stereo signal. A phase shift of approximately 180 degrees is applied to the resulting signals. A mixer mixes the processed first audio signal with the original second audio signal and mixes the processed second audio signal with the original first audio signal, whereby an expanded stereo sound field effect is created.
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