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Callista (Aura 2)
Voice Assistant E-Learning Customer Support Explainer Videos
English
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Voice Summary
A fast-paced, high-pitched female American voice that sounds exceptionally clear, friendly, and professional. Its energetic and confident delivery is perfect for voice assistants, e-learning, and customer support applications.
Voice Attribute Summary:
| Attribute | Value | Interpretation |
|---|---|---|
| age Estimate | Young Adult | The voice sounds youthful, clear, and energetic, typical of a young adult speaker. |
| gender | Female | The voice has vocal characteristics typically associated with a female speaker. |
| language | English | The voice is speaking in the English language. |
| country | United States | The accent and linguistic patterns are consistent with those from the United States. |
| language Code | en-US | This code specifies the language as English and the region as the United States. |
| accent | American | The voice uses a standard, neutral American accent. |
| accent Strength | None | The accent is a standard, non-regional American accent without distinct regionalisms. |
| pitch | High | The voice's high pitch sounds bright and engaging, often associated with helpfulness. |
| pitch hz | 219.35 | This specific high pitch contributes to a very bright and clear vocal quality. |
| wpm | 206.09 | This very fast speaking rate is excellent for delivering information efficiently and clearly. |
| clarity | Crisp | The voice is exceptionally sharp and easy to understand, with no background noise or muffling. |
| intensity | Normal | The voice is delivered at a standard volume, ensuring it is clear without being loud. |
| intensity percentage | 65.13 | This moderate intensity level is loud enough to be easily understood without being overpowering. |
| energy Level | High | The voice sounds very lively and dynamic, driven by its fast pace and high pitch. |
| energy Number | 8.00 | An energy level of 8/10 indicates a very engaging and upbeat delivery that holds attention. |
| breathiness | None | The voice has a solid, clear tone with no audible airiness or breathy quality. |
| breathiness score | 0.05 | A very low breathiness score signifies a firm vocal fold closure, creating a direct and clear sound. |
| pause Frequency | Occasional | The voice uses natural but infrequent pauses, maintaining a fluid and fast-paced flow. |
| average Pause Length Ms | 310.00 | Pauses are brief, which contributes to the overall high-speed delivery of the speech. |
| vocal Fry | Subtle | There is a minimal, barely perceptible amount of vocal fry, adding a touch of naturalness. |
| vocal Fry number | 0.25 | This low score indicates a minimal presence of vocal fry, contributing to a smooth vocal delivery. |
| style | , , , , , , , , , , | |
Voice Analysis Breakdown
At 206 words per minute, this voice speaks at a very fast pace. This is significantly quicker than average conversational speech (around 150 WPM), making it ideal for efficiently conveying information in tutorials or support responses.
With an average pitch of 219.35 Hz, this female voice falls into the higher end of the typical range. This high pitch gives the voice a bright, clear, and energetic quality, often perceived as friendly and helpful.
An intensity of 65.13% on a linear scale indicates a normal, clear volume. It's loud enough to be easily understood in various environments without sounding aggressive or overly forceful, striking a balance between presence and comfort.
Scoring an 8 out of 10 in energy, this voice is highly dynamic and engaging. The combination of a fast speaking rate and high pitch creates a lively, upbeat delivery that captures and holds the listener's attention.
Voice Info
Name: Callista (Aura 2)
female
English / United States
Voice Provider:` 
Deepgram-A2
Voice Profile Stats
Pitch(hz)219.35
Intensity(%)65.13
Energy8/10
Vocal Fry0.251
WPM206.09
Voice Styles & Applications
Recommended For
- Best for modern voice assistant and IVR applications requiring a friendly and efficient persona.
- Best for corporate e-learning and training modules where clarity and a fast pace keep learners engaged.
- Best for explainer videos and product demos that need to convey information quickly and confidently.
- Best for customer support bots that aim to provide solutions with a helpful and professional tone.
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