Noise compensation methods and systems for increasing the...

Details Noise compensation methods and systems for increasing the... Noise compensation methods and systems for increasing the...

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.

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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.
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