Class

SFVoiceAnalytics

A collection of vocal analysis metrics.

Declaration

@interface SFVoiceAnalytics : NSObject

Topics

Analyzing Voice

SFAcousticFeature

The value of a voice analysis metric.

voicing

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

pitch

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

jitter

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

shimmer

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

Relationships

Inherits From

See Also

Analyzing Voice

voiceAnalytics

An analysis of the transcription segment’s vocal properties.