Quantization on ITOHI — Open-Source Hardware, Embedded Systems & DIY Buildshttps://itohi.com/tags/quantization/Recent content in Quantization on ITOHI — Open-Source Hardware, Embedded Systems & DIY BuildsHugo -- gohugo.ioen2022 @ ITOHI - All rights reservedMon, 13 Jul 2026 00:00:00 +0000Training a Neural Network to Detect Shaheds and Quads from Audiohttps://itohi.com/fpv/drone-detector-nn/Mon, 13 Jul 2026 00:00:00 +0000https://itohi.com/fpv/drone-detector-nn/ <p><em>Live demo: <a href="https://drone-detector.sintra.site">drone-detector.sintra.site</a></em></p> <p> <figure> <picture> <img loading="lazy" decoding="async" alt="Drone Audio Detector — live inference in browser, IDLE state. FP32 model, 10 classes, per-class calibrated thresholds. RMS −40.6 dB / Peak −18.2 dB from office ambient. Spectrogram shows dual ARGMAX/SOFTMAX output." class="image_figure image_internal image_processed" width="1066" height="1714" src="https://itohi.com/fpv/drone-detector-nn/drone-detector-ui-idle.png" /> </picture> </figure> </p> <p>A note before the technical content: the staggered training protocol described in this article was developed with significant help from <a href="https://sintra.ai">Sintra AI</a>. What started as a series of questions about why the naive P1→P2 schedule kept plateauing turned into a structured debugging conversation that identified the calibrated checkpointing problem and shaped the cycle logic.</p>