Recycling DCT/IDCT integrated circuit apparatus using a single multiplier/accumulator and a single random access memory

Recycling DCT/IDCT integrated circuit apparatus using a single multiplier/accumulator and a single random access memory

A discrete cosine transform/inverse discrete transform or DCT/IDCT integrated circuit capable of performing both DCT and IDCT, includes a processor for processing DCT/IDCT data including, input buffer and arithmetic logic unit for processing incoming data and first pass pre-processed data, multiplie...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FRIEDLANDER, RAMI, RETTER, RAFI
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
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Beschreibung
Zusammenfassung:A discrete cosine transform/inverse discrete transform or DCT/IDCT integrated circuit capable of performing both DCT and IDCT, includes a processor for processing DCT/IDCT data including, input buffer and arithmetic logic unit for processing incoming data and first pass pre-processed data, multiplier and accumulator unit for performing mathematical operations on DCT/IDCT data, and output buffer and arithmetic logic unit for processing first pass pre-processed data and outgoing data. Also provided is an interleaved random access memory for storing DCT/IDCT data during various stages of processing.