Sadie Lockhart
English (US) · American · female · clear · measured · Naadly Core
Clean explainer and demo voice - clear American voice, measured pace
English (US) · American · female · 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 | 162.1 Hz · 4.02 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:593 |
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:3389
Model en_US-libritts_r-medium · speaker
3389
CC BY 4.0 (attribution required)
Pitch 151.0 Hz · 5.72 words/sec · clarity grade A
Fast, upbeat social read
Engine id en_US-libritts_r-medium:3835
Model en_US-libritts_r-medium · speaker
3835
CC BY 4.0 (attribution required)
Pitch 153.1 Hz · 5.04 words/sec · clarity grade A
Everyday narration voice
Engine id en_US-libritts_r-medium:6956
Model en_US-libritts_r-medium · speaker
6956
CC BY 4.0 (attribution required)
Pitch 160.9 Hz · 4.86 words/sec · clarity grade A
Everyday narration voice
Engine id en_US-libritts_r-medium:1313
Model en_US-libritts_r-medium · speaker
1313
CC BY 4.0 (attribution required)
Pitch 150.5 Hz · 4.94 words/sec · clarity grade A
Everyday narration voice
Engine id en_US-libritts_r-medium:6550
Model en_US-libritts_r-medium · speaker
6550
CC BY 4.0 (attribution required)
Pitch 144.1 Hz · 4.19 words/sec · clarity grade A
Fast, upbeat social read
Engine id en_US-libritts_r-medium:3521
Model en_US-libritts_r-medium · speaker
3521
CC BY 4.0 (attribution required)
Pitch 148.0 Hz · 4.76 words/sec · clarity grade A
The free plan gives you 30 minutes of audio a month across 1481 voices in 11 languages. No card.