4. Dynamic information storage or retrieval
  5. Combined independent audio systems
  6. Changeover between audio systems

David L. Ham

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Automated digital broadcast system

Dynamic information storage or retrieval – Combined independent audio systems – Changeover between audio systems
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Constant power ratio automatic gain control

Electrical audio signal processing systems and devices – Including amplitude or volume control – Automatic
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Profile ID: LFUS-PAI-P-737124

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