Noise canceling microphone
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 24, 2007
Grant Date -
Jan 5, 2006
app pub date -
Jun 29, 2005
filing date -
Oct 24, 2000
priority date (Note) -
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Abstract
An improved noise canceling microphone is provided including robust design features and advanced noise control and speech discrimination convergence characteristics. Two adaptive controllers are used to ensure robust performance in quickly changing acoustic environments ensuring an acceptable minimum performance characteristic. Additionally, a new real-time spectral estimation procedure is applied to a noise canceling communications microphone platform that permits continued and optimal adaptation of non-voice bandwidth frequencies during speech transients.
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