4. Pulse or digital communications
  5. Spread spectrum
  6. Direct sequence

Brant M. Helf

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Far end echo cancellation method and apparatus

Multiplex communications – Wide area network – Packet switching
Patent

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Reduction of background noise for speech enhancement

Electrical audio signal processing systems and devices – Noise or distortion suppression – Interpolation
Patent

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System and method for compressing transmitted or stored data

Pulse or digital communications – Spread spectrum – Direct sequence
Patent

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Profile ID: LFUS-PAI-P-357404

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