Henry Choi

Apr 28, 2016

Noise cancelling with dual omni directional microphones

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Good bye Steve, I'll miss you The Jawbone Noise-Assassin product lines (ERA, etc.) were category-creating.  When I got to Jawbone in S...
Mar 5, 2016

QPN DPP FW on Dialog DA14580

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I ported the QPN-QK (QPC-nano: a bare metal, hard real-time C framework) for the Dialog's BLE chip DA14580 basic dev kit.  DA14580 has 8...
Feb 28, 2016

SNR considerations in wearable bio-optical sensor

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I recently looked into the low-level (AKA front-end--vs. statistical algorithmic, which sits at the backend) problems of optical (vs. electr...
Jan 30, 2016

Mainline uClinux on STM32F429-discovery

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In a previous blog, I explored the mainline U-Boot on the stm32f429-discovery eval board.  The mainline kernel now supports the same board, ...
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Henry Choi
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