Acoustic Signal & Spectrogram Workbench
FFT Size:
0.00s / 4.50s
Time-Domain Waveform & RMS Envelope
FFT Spectrogram & F0 Contour Trail
0s
4.5s
Hold 'A' vowel for 3-5s
None
Frame-Level Acoustic Telemetry Stream
F0 Pitch (Hz)
RMS Envelope
Centroid
Acoustic Stability Radar
Tremor / Hypophonia Profile
Composite Stability Score
62%
Moderate Vocal Micro-Tremor Detected
Pitch SD ($F_0$ Hz)
18.4 Hz
High Pitch Variability
RMS Decay Rate
0.38 /s
Hypophonia Decay
Spectral Centroid Mean
1850 Hz
Mid-Range Drift
Spectral Flatness
0.042
Tonal / Harmonic
Realtime Frame Extractor
Frame: 0/180
RMS Power: 0.000
F0 Frequency: 0.0 Hz
ZCR Index: 0
MFCC-1 Dist: 0.00
Export Diagnostic Telemetry Report:
Diagnostic Interpretation Guide:
Sustained phonation (e.g., holding /a/) in neurodegenerative conditions like Parkinson's often manifests high micro-pitch fluctuation ($F_0$ SD > 12Hz) and rapid vocal intensity decay (hypophonia).