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A VLSI implementation of a 16-kbps waveform coder using adaptive vector quantization

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3 Author(s)
Ardalan, S.S. ; North Carolina A&T State Univ., Greensboro, NC, USA ; Foster, J. ; Tzung-Kwang Wang

The development of an adaptive vector quantizer (AVQ) CODEC chip using open architecture silicon implementation system (OASIS) tools is presented. The goal of this effort is development of a 16-kbps AVQ coder prototype system which can be used as an alternative to the currently used 32-kbps adaptive delta pulse code modulation (ADPCM). The AVQ semi-custom chip layout uses 1.2-μm SCMOS technology and consists of over 157000 transistors. The AVQ system is being designed with Mentor Graphics tools and is a 4-layer PC board encompassing over 50 analog and digital components

Published in:

Acoustics, Speech, and Signal Processing, 1992. ICASSP-92., 1992 IEEE International Conference on  (Volume:5 )

Date of Conference:

23-26 Mar 1992

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