Technique to Improve Speech Intelligibility in Noise by Normalizing Signal Energy Over Time
Invention type: Technology
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Case number: #17626
An approach to audio processing aims to improve intelligibility by amplifying time segments of an input signal when the level of the signal falls below a long-term average level of the input signal, for instance, introducing a time-varying gain such that the signal level of the amplified segment matches the long-term average level.
Researchers
Charlotte Reed
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Louis Braida
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Joseph Desloge
Departments: Research Laboratory of Electronics
Technology Areas: Computer Science: Networking & Signals / Sensing & Imaging: Acoustics
Impact Areas: Connected World
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normalizing signal energy for speech in fluctuating noise
United States of America | Granted | 10,149,070
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