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Page
38
18.05.2006
Angelo Farina
© UNIPR (2006)
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ll Rights Reserved
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Confidential
Example for a 4-channel mike
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DPA-4 A-format microphone
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4 closely-spaced cardioids
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A set of 4x4 filters is required
for getting B-format signals
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Global approach for
minimizing errors over the
whole sphere