Delia Caldwell
English (US) · American · female · balanced · rapid · Naadly Core
Everyday narration voice - balanced American voice, rapid pace
The facts
| Language | English (US) (en_US) |
|---|---|
| Accent | American |
| Delivery | balanced, rapid |
| Measured pitch | 239.7 Hz · 4.74 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:1061 |
Commercial use is included on every plan. Everything generated is watermarked and labelled as AI — the licences in full.
Voices that sound like Delia
Clean explainer and demo voice
Technical details
Engine id en_US-libritts_r-medium:5029
Model en_US-libritts_r-medium · speaker
5029
CC BY 4.0 (attribution required)
Pitch 247.8 Hz · 3.99 words/sec · clarity grade A
Punchy ad read
Technical details
Engine id en_US-libritts_r-medium:4356
Model en_US-libritts_r-medium · speaker
4356
CC BY 4.0 (attribution required)
Pitch 239.7 Hz · 4.11 words/sec · clarity grade A
Snappy reels and shorts voice
Technical details
Engine id en_US-libritts_r-medium:2775
Model en_US-libritts_r-medium · speaker
2775
CC BY 4.0 (attribution required)
Pitch 216.2 Hz · 4.53 words/sec · clarity grade A
Fast, upbeat social read
Technical details
Engine id en_US-libritts_r-medium:4899
Model en_US-libritts_r-medium · speaker
4899
CC BY 4.0 (attribution required)
Pitch 253.4 Hz · 4.96 words/sec · clarity grade A
Everyday narration voice
Technical details
Engine id en_US-libritts_r-medium:1335
Model en_US-libritts_r-medium · speaker
1335
CC BY 4.0 (attribution required)
Pitch 242.3 Hz · 3.97 words/sec · clarity grade A
Fast, upbeat social read
Technical details
Engine id en_US-libritts_r-medium:1509
Model en_US-libritts_r-medium · speaker
1509
CC BY 4.0 (attribution required)
Pitch 229.7 Hz · 4.76 words/sec · clarity grade A
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