Daniel Chirigiu

Computer Engineering @ Concordia University

Building AI systems that respect privacy — from research to real systems running 24/7.

Featured Projects

  • DFT signal analysis — frequency-domain plot of clarinet harmonics

    DFT Signal Analysis

    Discrete Fourier analysis of clarinet harmonics across 177k data points.

    • 177k data points analyzed
    • Harmonic decomposition of woodwind timbre
    • Recognized among top course papers
    View Case Study
  • JARVIS voice assistant chat interface on a phone

    JARVIS: Self-Hosted AI Assistant

    Privacy-first voice assistant running 24/7 on a Raspberry Pi.

    • 24/7 uptime on a Raspberry Pi 4
    • Sub-second voice replies (warm TTS worker)
    • Local RAG search over a 626-chunk note index
    View Full Case Study
  • CNN music genre classification — confusion matrix heatmap

    CNN Music Genre Classification

    From-scratch convolutional network reaching 79% genre accuracy.

    • 79% accuracy, implemented from scratch
    • Recognized on "Ivanov's Top Papers of the Decade"
    • Led to a programming assistant job offer
    View Case Study

By the Numbers

3Research Projects
24/7Uptime Systems
4Languages Fluent
OpenSource Contributor
Co-opProgram Member
LinuxDaily Driver