4. Electrical audio signal processing systems and devices
  5. One-way audio signal program distribution
  6. Public address system

Subrata K. Das

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Adaptive automatic discrete utterance recognition

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent

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Apparatus, program storage device and method for testing...

Data processing: speech signal processing – linguistics – language – Speech signal processing – Recognition
Reexamination Certificate

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Wind/breath screen for a microphone

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent

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Profile ID: LFUS-PAI-P-1371919

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