https://sudonull.com/npu-on-mcu-for-speech-stm32n6-and-acoustics
Acoustic speech recognition model on STM32N6 with NPU: PER 5.3%, 0.2 W, real time. Comparison, metrics, application for developers. Study the implementation.
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In this project
https://sudonull.com/acoustic-drone-detection-on-esp32-s3
Implement local quadcopter detection with ESP32 and ICS-43434 microphone. Goertzel algorithm for real-time frequency analysis. Instructions for developers: schematic, calibration, comparison with ML. Start your prototype for 15$.
https://sudonull.com/knn-prefiltering-manticore-search-with-acorn-1
KNN Search Optimization in Manticore: HNSW Prefiltering, ACORN-1 and fullscan. Automatic Strategy Selection for Filters of Any Selectivity. Speed Up Vector Search — Read Details.
https://sudonull.com/drums-in-the-studio-midi-and-vst-approaches
Setting up drums in a home studio for composers: dead, semi-live, live options. Workflow with Addictive Drums, references and edits. Get organic parts without acoustics — read the guide.
https://sudonull.com/binaural-sound-from-stereo-schematic-and-implementation
Set up your stereo system for immersive binaural sound without headphones. Schematics, MK-233 microphones, adaptation for cinema. Instructions for audio developers — test it yourself.
From other projects
https://ymaho.com/sexual-health-and-sleep-key-topics-of-acog-2026
75% of menopausal women suffer from sleep disorders. ACOG 2026 called for integrating sleep screening into gynecology. Learn about market redistribution and new drugs.
https://ymaho.com/laser-acoustic-imaging-safety-of-surgical-robots
Photoacoustics builds 3D maps of nerves in real time, reducing the risk of complications. Learn how the technology is changing laparoscopy. Read an expert review.
https://ymaho.com/laser-acoustic-imaging-how-the-technology-will-change-robotic-surgery
Photoacoustic imaging allows the surgeon to see nerves and blood vessels through tissues in real time. Learn how this will reduce the risk of complications and who will benefit from its adoption.
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