Alias-free subband processing

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United States of America Patent

PATENT NO 9754597
SERIAL NO

15343088

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Abstract

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A digital signal is processed by splitting it into at least two frequency subbands and the two subband signals are downsampled. A filter is applied in at least one of the subband signals. At least one of the phase and magnitude of the subband filtered signals is matched in the transition frequency band between the two subbands.

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Patent Owner(s)

Patent OwnerAddress
CREATIVE TECHNOLOGY LTD609921 SINGAPORE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chorn, Michael Longmont, US 2 79
Goodwin, Michael M Scotts Valley, US 57 1456
Jot, Jean-Marc Aptos, US 115 3211
Laroche, Jean Santa Cruz, US 48 2080
Phillips, Mark Broomfield, US 71 1728
Walsh, Martin Scotts Valley, US 51 1986

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