Static SRSensorTelephonySpeechMetrics 

pub unsafe static SRSensorTelephonySpeechMetrics: &'static SRSensor

Telephony sensor stream for Speech Metrics

This stream stores information data about your voice during phone calls including:

   - Tenor, pitch, and cadence
   - Metrics such as average words per minute and average pause length

This steam does not store any raw audio nor any audio or data from other parties.

Fetches from this stream return objects of type SRSpeechMetrics

See also Apple’s documentation