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AC-center clipper for noise and echo suppression in a...

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Acoustic echo canceler

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Acoustic echo canceler with a peak impulse response detector

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Acoustic echo processing system

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Adaptive analog echo/NEXT cancellation

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Adaptive echo canceler undoing adaptations made during...

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Adaptive filter and echo canceller using the same

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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ADAPTIVE FILTER FOR ECHO CANCELLATION, METHOD FOR OPERATING...

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Adaptive filter for network echo cancellation

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Adaptive filter utilizing proportional affine projection...

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Adaptive scaling and echo reduction

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Apparatus and method for controlling acoustic echo...

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Apparatus and method for echo cancellation

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Apparatus and method for echo cancellation

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Apparatus and method for echo control

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Apparatus and method for echo-cancellation

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Apparatus and method for time-alignment of two signals

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Apparatus and method of time delay estimation

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Apparatus for removing echo from speech signals with...

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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Apparatus for sidetone damping

Telephonic communications – Echo cancellation or suppression – Using digital signal processing
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