Method and apparatus for decorrelating audio signals
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United States of America Patent
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Jan 16, 2001
Grant Date -
N/A
app pub date -
Jul 9, 1999
filing date -
Jul 9, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method are described for rendering a left rear surround input signal at a left rear virtual speaker location and rendering a right rear surround input signal at a right rear virtual speaker location. The method includes phase shifting the left rear surround input signal by a first phase shift. The right rear surround input signal is phase shifted by a second phase shift. The phase shifted left rear surround input signal is phase shifted using an HRTF selected to render the left rear surround input signal at the left rear virtual speaker location. The phase shifted right rear surround input signal is transformed using an HRTF selected to render the right rear surround input signal at the right rear virtual speaker location.
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