Emmett Caldwell
English (US) · American · male · clear · measured · Naadly Core
Clean explainer and demo voice - clear American voice, measured pace
English (US) · American · male · clear · measured · Naadly Core
Clean explainer and demo voice - clear American voice, measured pace
| Language | English (US) (en_US) |
|---|---|
| Accent | American |
| Delivery | clear, measured |
| Measured pitch | 133.6 Hz · 3.98 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:4681 |
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:4108
Model en_US-libritts_r-medium · speaker
4108
CC BY 4.0 (attribution required)
Pitch 140.4 Hz · 4.74 words/sec · clarity grade A
Fast, upbeat social read
Engine id en_US-libritts_r-medium:3340
Model en_US-libritts_r-medium · speaker
3340
CC BY 4.0 (attribution required)
Pitch 130.5 Hz · 4.8 words/sec · clarity grade A
Everyday narration voice
Engine id en_US-libritts_r-medium:4860
Model en_US-libritts_r-medium · speaker
4860
CC BY 4.0 (attribution required)
Pitch 124.6 Hz · 4.55 words/sec · clarity grade B
Fast, upbeat social read
Engine id en_US-libritts_r-medium:8848
Model en_US-libritts_r-medium · speaker
8848
CC BY 4.0 (attribution required)
Pitch 119.8 Hz · 4.72 words/sec · clarity grade A
Everyday narration voice
Engine id en_US-libritts_r-medium:2473
Model en_US-libritts_r-medium · speaker
2473
CC BY 4.0 (attribution required)
Pitch 112.5 Hz · 4.89 words/sec · clarity grade A
Everyday narration voice
Engine id en_US-libritts_r-medium:1265
Model en_US-libritts_r-medium · speaker
1265
CC BY 4.0 (attribution required)
Pitch 132.0 Hz · 4.44 words/sec · clarity grade A
The free plan gives you 30 minutes of audio a month across 1481 voices in 11 languages. No card.