Caleb Alcott
English (US) · American · male · balanced · rapid · Naadly Core
Everyday narration voice - balanced American voice, rapid pace
English (US) · American · male · balanced · rapid · Naadly Core
Everyday narration voice - balanced American voice, rapid pace
| Language | English (US) (en_US) |
|---|---|
| Accent | American |
| Delivery | balanced, rapid |
| Measured pitch | 125.3 Hz · 5.11 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:7437 |
Commercial use is included on every plan. Everything generated is watermarked and labelled as AI — the licences in full.
Everyday narration voice
Engine id en_US-libritts_r-medium:5261
Model en_US-libritts_r-medium · speaker
5261
CC BY 4.0 (attribution required)
Pitch 121.8 Hz · 4.83 words/sec · clarity grade A
Everyday narration voice
Engine id en_US-libritts_r-medium:2929
Model en_US-libritts_r-medium · speaker
2929
CC BY 4.0 (attribution required)
Pitch 112.5 Hz · 4.31 words/sec · clarity grade A
Everyday narration voice
Engine id en_US-libritts_r-medium:4257
Model en_US-libritts_r-medium · speaker
4257
CC BY 4.0 (attribution required)
Pitch 147.0 Hz · 5.15 words/sec · clarity grade A
Punchy ad read
Engine id en_US-libritts_r-medium:8592
Model en_US-libritts_r-medium · speaker
8592
CC BY 4.0 (attribution required)
Pitch 130.5 Hz · 4.3 words/sec · clarity grade A
High-energy promo read
Engine id en_US-libritts_r-medium:954
Model en_US-libritts_r-medium · speaker
954
CC BY 4.0 (attribution required)
Pitch 154.2 Hz · 5.13 words/sec · clarity grade B
Everyday narration voice
Engine id en_US-libritts_r-medium:7478
Model en_US-libritts_r-medium · speaker
7478
CC BY 4.0 (attribution required)
Pitch 126.0 Hz · 5.47 words/sec · clarity grade D
The free plan gives you 30 minutes of audio a month across 1481 voices in 11 languages. No card.