Electrical audio signal processing systems and devices – Feedback suppression
Reexamination Certificate
2007-04-25
2011-12-27
Faulk, Devona (Department: 2614)
Electrical audio signal processing systems and devices
Feedback suppression
C381S095000, C381S096000, C381S083000, C381S066000, C381S063000
Reexamination Certificate
active
08085947
ABSTRACT:
A system reduces echoes in an audio system by de-correlating audio signals. Adaptive filters provide compensation based on the de-correlated signals. A controller controls the de-correlation based upon the adaptation state of the adaptive filters.
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Buck Markus
Haulick Tim
Koepf Hans-Joerg
Roessler Martin
Schmidt Gerhard Uwe
Faulk Devona
Monikang George
Nuance Communications Inc.
Sunstein Kann Murphy & Timbers LLP
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