Coded data generation or conversion – Quantizer
Patent
1987-05-26
1989-05-16
Shoop, Jr., William M.
Coded data generation or conversion
Quantizer
341118, 341155, H03M 134
Patent
active
048313823
ABSTRACT:
An analog-to-digital converter having adaptable quantizing levels which compensate for unintended variations in the analog input signal amplitude. Variations in the amplitude range over which the quantizing levels extend is determined from an examination of preselected bits of the analog-to-digital converter output.
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patent: 4193066 (1980-03-01), Morrison et al.
patent: 4642694 (1987-02-01), Yamagishi et al.
The Engineering Staff of Digital Equipment Corporation, "Analog-Digital Converson Handbook," 1964, pp. 20-22.
Sklar, "2's Complement Arithmetic Operations," Computer Design, May 1972, pp. 115 & 116.
Orbach, Zvi, "New Types of Adaptive Quantizers," IEEE Transactions on Acoustics, Speech, and Signal Processing, vol. ASSP-32, No. 5, Oct. 1984, pp. 1006-1013.
Debus, Jr. Walter
Stenger Gerhard W.
American Telephone and Telegraph Company
AT&T Bell Laboratories
Padnes David R.
Shoop Jr. William M.
Young Brian K.
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