Libby

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

AttributeValueInterpretation
age EstimateYoung AdultThe voice sounds like it belongs to a professional in their late 20s to 30s.
genderFemaleThe voice is identified as female based on its pitch and vocal characteristics.
languageEnglishThe primary language spoken is English.
countryUnited KingdomThe speaker's accent is native to the United Kingdom.
language Codeen-GBThis code represents English as spoken in the United Kingdom.
accentBritishThe voice features a standard modern British (RP) accent.
accent StrengthModerateThe accent is distinct and clearly identifiable without being overpowering.
pitchHighThe voice has a higher-than-average pitch for a female, sounding clear and bright.
pitch hz200.35This measurement confirms a vocal pitch in the higher range for female speakers.
wpm152.71The speaking rate is measured and clear, ideal for comprehension.
clarityCrispEach word is articulated precisely, with no mumbling or muffling.
intensityNormalThe voice is delivered at a standard volume, neither too loud nor too soft.
intensity percentage26.08This indicates a controlled and softer vocal delivery on a linear scale.
energy LevelMediumThe voice sounds engaged and pleasant without being overly energetic or flat.
energy Number5.00On a scale of 1-10, the energy is balanced and professional.
breathinessNoneThere is no significant audible air in the voice, contributing to its clarity.
breathiness score0.12The low score confirms a non-breathy, clear vocal quality.
pause FrequencyOccasionalPauses are used naturally between phrases, aiding in the conversational flow.
average Pause Length Ms410.00The pauses are of a standard length for conversational speech.
vocal FrySubtleA slight, almost unnoticeable creaky quality is occasionally present at the end of phrases.
vocal Fry number0.26This low score indicates a minimal presence of vocal fry.
style, , , , , , , , , , , ,

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.

Voice Info

Name: Libby
female
English / United Kingdom
` Voice Provider:` Azure

Voice Profile Stats

Pitch(hz)200.35
Intensity(%)26.08
Energy5/10
Vocal Fry0.258
WPM152.71

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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