Dual-multiply-accumulator operation optimized for even and odd multisample calculations
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United States of America Patent
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Jun 17, 2014
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app pub date -
Oct 31, 2011
filing date -
Apr 16, 2004
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Abstract
According to some embodiments, a device is configured to perform a dual multiply-accumulate operation. In one embodiment, the device includes a functional unit configured to calculate, in parallel, a first multiplication product of a first coefficient and a first sample; and a second multiplication product of the first coefficient and a second sample. The first sample is an (n)th sample and the second sample is an (n+2)th sample in a plurality of sequential samples. The functional unit outputs and stores the first multiplication product and the second multiplication product in different storage locations in at least one storage device.
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