4. Television
  5. Two-way video and voice communication
  6. Remote control

Charn Leung (David) Lo

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Detecting acoustic echoes using microphone arrays

Electrical audio signal processing systems and devices – Directive circuits for microphones
Reexamination Certificate

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System and method of self-discovery and self-calibration in...

Television – Two-way video and voice communication – Remote control
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Profile ID: LFUS-PAI-P-3133200

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