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A complete audio decoder IC for US television stereo using serial arithmetic

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8 Author(s)
Dieterich, C.B. ; David Sarnoff Res. Center, Princeton, NJ, USA ; Christopher, T. ; Tamer, G.G. ; Filliman, P.D.
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The Thomson Consumer Electronics (TCE) stereo IC is a mixed digital-analog IC which performs all audio signal processing tasks associated with Broadcast Television Systems Committee (BTSC) multichannel television sound (MTS) decoding. The TCE stereo IC uses a totally digital signal processing system to do all the audio processing tasks. These are performed using a novel, space-efficient, block structured serial arithmetic system called BRECFAST. Signal inputs are digitized by double integration sigma-delta A/D converters and audio outputs are derived from four error-feedback D/A converters. The IC gives superior audio separation and enhanced tone controls, but its key features are its lack of alignments and low cost. This work describes two aspects of the IC: the digital signal processing included in the design and the serial arithmetic system used to implement it

Published in:

Custom Integrated Circuits Conference, 1990., Proceedings of the IEEE 1990

Date of Conference:

13-16 May 1990

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