Harper Thornton
English (US) · American · female · clear · measured · Naadly Core
Clean explainer and demo voice - clear American voice, measured pace
The facts
| Language | English (US) (en_US) |
|---|---|
| Accent | American |
| Delivery | clear, measured |
| Measured pitch | 222.7 Hz · 3.6 words per second |
| Quality | Best · clarity grade A |
| Tier | Naadly Core — on every plan, including free |
| Licence | CC BY 4.0 (attribution required — how we credit it) |
| Engine id | en_US-libritts_r-medium:6637 |
Commercial use is included on every plan. Everything generated is watermarked and labelled as AI — the licences in full.
Voices that sound like Harper
Everyday narration voice
Technical details
Engine id en_US-libritts_r-medium:598
Model en_US-libritts_r-medium · speaker
598
CC BY 4.0 (attribution required)
Pitch 220.5 Hz · 3.92 words/sec · clarity grade A
Punchy ad read
Technical details
Engine id en_US-libritts_r-medium:4967
Model en_US-libritts_r-medium · speaker
4967
CC BY 4.0 (attribution required)
Pitch 216.2 Hz · 4.38 words/sec · clarity grade A
Punchy ad read
Technical details
Engine id en_US-libritts_r-medium:5583
Model en_US-libritts_r-medium · speaker
5583
CC BY 4.0 (attribution required)
Pitch 237.1 Hz · 4.44 words/sec · clarity grade A
Clean explainer and demo voice
Technical details
Engine id en_US-libritts_r-medium:6189
Model en_US-libritts_r-medium · speaker
6189
CC BY 4.0 (attribution required)
Pitch 218.3 Hz · 3.78 words/sec · clarity grade A
Fast, upbeat social read
Technical details
Engine id en_US-libritts_r-medium:9023
Model en_US-libritts_r-medium · speaker
9023
CC BY 4.0 (attribution required)
Pitch 222.7 Hz · 5.25 words/sec · clarity grade C
Punchy ad read
Technical details
Engine id en_US-libritts_r-medium:8573
Model en_US-libritts_r-medium · speaker
8573
CC BY 4.0 (attribution required)
Pitch 237.1 Hz · 4.66 words/sec · clarity grade A
Say your own words in this voice
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