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No. 706Problem statementHealth and wellbeing

Active Repetitive Noise Reduction Adapter (ARNA) for Helicopter Cockpit and Cabin

Source

Source summary

Develop an active noise-reduction adapter for helicopter cabins and cockpits using adaptive processing, microphones, speakers and DSP/FPGA controllers. It targets repetitive noise to improve speech clarity and reduce fatigue. The claimed benefits remain aims rather than measured outcomes.