Conceptual
Login

Why F0 Exists Only on Voiced Frames

Pitch is undefined during silence and during voiceless sounds, so any pitch measure over connected speech is already a decision about which frames count. This is the hinge between pitch algorithms and the sustained-vowel versus connected-speech comparison, and it explains why a pitch track has holes.

Questions this Concept answers

  • Why is a single pitch number for a stretch of speech already a measurement decision?