Libby

E-Learning & Training Voice Assistant / IVR Corporate Narration Explainer Videos
azure.microsoft.comEnglishFemale Iconfemale


Sentence 1 of 0
Current: 0Sample Limit: 170Full Limit: 1000

Voice Summary

A friendly and professional British female voice with excellent clarity. Its calm, conversational pace makes it ideal for instructional content, voice assistants, and corporate narration.

Voice Attribute Summary

age Estimate
Young Adult

The voice sounds like it belongs to a professional in their late 20s to 30s.

pitch
High

The voice has a higher-than-average pitch for a female, sounding clear and bright.

intensity
Normal

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

energy Level
Medium

The voice sounds engaged and pleasant without being overly energetic or flat.

breathiness
None

There is no significant audible air in the voice, contributing to its clarity.

pause Frequency
Occasional

Pauses are used naturally between phrases, aiding in the conversational flow.

average Pause Length Ms
410

The pauses are of a standard length for conversational speech.

vocal Fry
Subtle

A slight, almost unnoticeable creaky quality is occasionally present at the end of phrases.

Voice Analysis Breakdown

With a WPM of 153, this voice speaks at a clear and comfortable pace, similar to a natural conversation and making it very easy for listeners to follow along.

The voice's average pitch of 200 Hz sits in a standard, approachable female range that is pleasant and clear, preventing listening fatigue.

At 26% intensity, the voice is delivered with a soft and controlled volume, creating a calm, professional, and non-intrusive listening experience.

An energy level of 5 out of 10 gives this voice a balanced and professional quality—engaging enough to hold attention but calm enough for instructional content.

Recommended For

  • Ideal for voice assistant and IVR applications, providing clear and friendly guidance to users.
  • Well-suited for e-learning modules and corporate training videos, thanks to its professional tone and excellent clarity.
  • A great choice for audiobook narration or documentaries that require a warm, trustworthy, and engaging voice.
  • Perfect for explainer videos and product demos, where a conversational and confident tone builds trust with the audience.

Similar Voices

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Libby's Top 100 Highlight Reel

Explore recently shared scripts where this voice ranked among the top 100 matches