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An Ultra Low-power Programmabl
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2010-07-01
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Abstract
This paper describes an application specific
signal processor (ASSP) designed for
miniature, ultra low-power, audio signal
processing applications. The ASSP includes
a high-fidelity weighted overlap-add
(WOLA) filterbank, a 16-bit DSP core, two
14-bit A/D converters, a 14-bit D/A con-
verter and a flexible set of peripherals. This
design excels in applications that require
efficient frequency-domain processing of
one or two audio signals.
This paper describes an application specific
signal processor (ASSP) designed for
miniature, ultra low-power, audio signal
processing applications. The ASSP includes
a high-fidelity weighted overlap-add
(WOLA) filterbank, a 16-bit DSP core, two
14-bit A/D converters, a 14-bit D/A con-
verter and a flexible set of peripherals. This
design excels in applications that require
efficient frequency-domain processing of
one or two audio signals.
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