Cepstral David Voice Work Jun 2026

| Metric | Target for “David” | |--------|--------------------| | Cepstral Distance (CD) to reference | < 4 dB | | Mel Cepstral Distortion (MCD) | < 3 dB for naturalness | | Pitch correlation (quefrency peak) | 0.85–0.95 | | Formant deviation (F1–F3) | < 10% relative |

a tele-operated robot used to assist older adults with Alzheimer's. Virtual Human Prototypes cepstral david voice work

He was the Cepstral David voice.