Lisa

Voice Assistant Explainer Videos Corporate Training IVR Systems
speechify.comEnglishFemale Iconfemale

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Voice Summary

A fast, clear, and friendly female American voice with a professional and helpful tone. Its high pitch and medium energy make it ideal for voice assistant, tutorial, and explainer video applications.

Voice Attribute Summary

age Estimate
Young Adult

The voice sounds like it belongs to a person in their 20s or 30s.

pitch
High

The voice has a high-pitched tone, which often sounds friendly and clear.

intensity
Normal

The voice is delivered at a standard volume, neither too soft nor overpowering.

energy Level
Medium

The voice sounds engaged and alert without being overly energetic or subdued.

breathiness
Mild

A slight airy quality is present, which adds to the friendly, natural tone.

pause Frequency
Occasional

Pauses are used naturally and at a standard rate for conversational speech.

average Pause Length Ms
350

The average pause length is typical for a natural, flowing speaking style.

vocal Fry
Subtle

A small, barely perceptible amount of vocal fry is present, adding a relaxed feel.

Voice Analysis Breakdown

With a Words Per Minute (WPM) of 211.48, this voice speaks at a very fast pace, significantly quicker than the average conversational speed. This makes it highly effective for delivering information quickly and efficiently in contexts like tutorials or announcements.

The fundamental frequency of 186.91 Hz places this voice in the higher pitch range for a female speaker. This higher pitch enhances the voice's perceived clarity and friendliness, making it sound engaging and approachable.

An intensity level of 65.83% indicates a well-modulated, normal volume. The voice is consistently clear and audible without being loud or aggressive, projecting an air of calm professionalism.

An energy number of 6 out of 10 reflects a moderately energetic and positive delivery. The voice is alert and engaging, striking a balance that is professional enough for corporate content but friendly enough for customer-facing applications.

Recommended For

  • Best for modern voice assistant and IVR systems that require a clear, fast, and helpful persona.
  • Best for corporate e-learning and training tutorials where information needs to be conveyed with professional clarity.
  • Best for explainer videos and product demos that benefit from a confident, friendly, and trustworthy narrator.
  • Best for in-app guides and customer support prompts due to its conversational and efficient tone.

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