Telephonic communications – Substation or terminal circuitry – Noise suppression
Reexamination Certificate
2006-03-07
2006-03-07
Kuntz, Curtis (Department: 2643)
Telephonic communications
Substation or terminal circuitry
Noise suppression
Reexamination Certificate
active
07010118
ABSTRACT:
The amount of noise compensation applied to a signal is controlled by a system operating as both a noise-adaptive expander and compressor based on far-end and near-end noise level estimates.
REFERENCES:
patent: 4628526 (1986-12-01), Germer
patent: 5107539 (1992-04-01), Kato et al.
patent: 5509081 (1996-04-01), Kuusama
patent: 5524148 (1996-06-01), Allen et al.
patent: 5526419 (1996-06-01), Allen et al.
patent: 5553134 (1996-09-01), Allen et al.
patent: 5909489 (1999-06-01), Matt et al.
Thomas, I.B. and R.J. Niederjohn, “Enhancement of speech intelligibility at high noise levels by filtering and clipping”, J. of the Aud. Eng. Soc. of Am., vol. 16, 1968, pp. 412-415.
Niederjohn, R.J., and J.H. Grotelueschen, “The Enhancement of Speech Intelligibility in High Noise Levels by High-Pass Filtering Followed by Rapid Amplitude Compression,”, IEEE Trans. on Acoustice, Speech and Signal Proc., vol. ASSP-24, No. 4, Aug. 1976, pp. 277-282.
Kretsinger, E.A. and N.B. Young, “The use of fast limiting to improve the intelligibility of speech in noise,”, Speech Monoger, vol. 27, 1960, pp. 63-69.
Stikvoort, E.F., “Digital dynamic range compressor for audio”, J. Audio Eng. Soc., vol. 34, No. 1/2, Jan./Feb. 1986, pp. 3-9.
Agere Systems Inc.
Jamal Alexander
Kuntz Curtis
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