Instance Property

shimmer

The variation in vocal volume stability (amplitude) in each frame of a transcription segment, expressed in decibels.

Declaration

@NSCopying var shimmer: SFAcousticFeature { get }

See Also

Analyzing Voice

class SFAcousticFeature

The value of a voice analysis metric.

var voicing: SFAcousticFeature

The likelihood of a voice in each frame of a transcription segment, expressed as a probability in the range [0.0, 1.0].

var pitch: SFAcousticFeature

The highness or lowness of the tone (fundamental frequency) in each frame of a transcription segment, expressed as a logarithm.

var jitter: SFAcousticFeature

The variation in pitch in each frame of a transcription segment, expressed as a percentage of the frame’s fundamental frequency.