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A DSP with Integrated CODEC for Home Entertainment and Car Audio Applications

A 25 MIP DSP/CODEC is described featuring two ADCs and six DACs. The DSP core consists of large on-chip data and program memories, a 24x24 multiply-accumulate unit and dual 48-bit accumulators. The high performance CODEC employs 1-bit delta-sigma modulation and digital filtering techniques. The IC provides a fully integrated solution for Digital Dolby Prologic, automotive audio signal processing, musical instrument digital signal processing, effects processing for Dolby Digital (AC3) and digital Karaoke entertainment systems.

Authors: Lin, Kun; Nohrden, Jim; Welser, Joseph; Mayer, Jonathan; Rhode, Jason; Sculley, Terry
Affiliation: Crystal Semiconductor Corporation, Austin, TX
AES Convention:103 (September 1997) Paper Number:4532 Import into BibTeX
Subject:Signal Processing and Conversion

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