Acoustic DSP in Speech Training: How Micro-Tremors Reveal Hidden Nervousness
Digital Signal Processing (DSP) can detect 8–12 Hz micro-tremors in human voice streams long before nervousness becomes conscious. Discover how acoustic AI trains vocal steadiness.
Vishal VermaCTO & Co-Founder, Dehurdle
August 02, 20254 min read
The Acoustic Signal Pipeline
Dehurdle's audio DSP pipeline extracts fundamental frequency ($F_0$), spectral flux, and energy distribution in 20ms frames, detecting vocal instability and coaching steady resonance.
The 2-Minute Practice Drill
2-Minute Spoken Drill
The 2-Minute Practice Drill
Check your acoustic frequency stability in Dehurdle's Vocal Biometrics Diagnostic.