Wyatt Caldwell
English (US) · American · male · warm · measured · Naadly Core
Friendly course narration - warm American voice, measured pace
English (US) · American · male · warm · measured · Naadly Core
Friendly course narration - warm American voice, measured pace
| Language | English (US) (en_US) |
|---|---|
| Accent | American |
| Delivery | warm, measured |
| Measured pitch | 119.2 Hz · 3.97 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:8772 |
Commercial use is included on every plan. Everything generated is watermarked and labelled as AI — the licences in full.
Clean explainer and demo voice
Engine id en_US-libritts_r-medium:439
Model en_US-libritts_r-medium · speaker
439
CC BY 4.0 (attribution required)
Pitch 120.5 Hz · 3.94 words/sec · clarity grade A
Everyday narration voice
Engine id en_US-libritts_r-medium:4945
Model en_US-libritts_r-medium · speaker
4945
CC BY 4.0 (attribution required)
Pitch 109.7 Hz · 4.94 words/sec · clarity grade A
Punchy ad read
Engine id en_US-libritts_r-medium:6574
Model en_US-libritts_r-medium · speaker
6574
CC BY 4.0 (attribution required)
Pitch 121.2 Hz · 4.5 words/sec · clarity grade B
Punchy ad read
Engine id en_US-libritts_r-medium:711
Model en_US-libritts_r-medium · speaker
711
CC BY 4.0 (attribution required)
Pitch 117.9 Hz · 4.14 words/sec · clarity grade B
Everyday narration voice
Engine id en_US-libritts_r-medium:2999
Model en_US-libritts_r-medium · speaker
2999
CC BY 4.0 (attribution required)
Pitch 116.4 Hz · 4.11 words/sec · clarity grade B
Everyday narration voice
Engine id en_US-libritts_r-medium:639
Model en_US-libritts_r-medium · speaker
639
CC BY 4.0 (attribution required)
Pitch 120.2 Hz · 4.96 words/sec · clarity grade A
The free plan gives you 30 minutes of audio a month across 1481 voices in 11 languages. No card.