Serious Voices

Serious Voices

For compliance and legal reads the goal is that exact wording lands, not that the voice sounds grave. A speed near 0.9 improves intelligibility more than any casting choice.

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Serious ai voice
AndreiVerified
Russian · Male · Young
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NikolaiVerified
Russian · Male · Young
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AtharvaVerified
Indian · Male · Young
India flagHindi
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FranciscoVerified
European · Male · Young
United States flagEnglish
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EkaterinaVerified
Russian · Female · Young
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StijnVerified
Dutch · Male · Young
Netherlands flagDutch
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AndreiVerified
Russian · Male · Young
Russia flagRussian
Use voice
NikolaiVerified
Russian · Male · Young
Russia flagRussian
Use voice
AtharvaVerified
Indian · Male · Young
India flagHindi
Use voice
FranciscoVerified
European · Male · Young
United States flagEnglish
Use voice
EkaterinaVerified
Russian · Female · Young
Russia flagRussian
Use voice
StijnVerified
Dutch · Male · Young
Netherlands flagDutch
Use voice

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Narration is the one job where a voice has to hold up for hours rather than seconds. 163 of the 244 voices here carry the narration tag, the largest group in the catalog, across English, Hindi and nine other Indic languages.

1500+ voices to explore

Browse our full voice library and find the right tone, accent, and personality for your agent.

Model Specifications

Streaming transports

WebSocket, HTTP chunked transfer

WebSocket, HTTP chunked transfer

Output formats

.ulaw, .alaw, PCM 16-bit, .wav, .mp3

.ulaw, .alaw, PCM 16-bit, .wav, .mp3

Speed range

0.5× – 2.0×, set per request

0.5× – 2.0×, set per request

Sample rate

44.1 kHz native, resampled to 8 kHz for telephony

44.1 kHz native, resampled to 8 kHz for telephony

Latency

~200 ms to first byte (p50, warm region)

~200 ms to first byte (p50, warm region)

Clarity before tone

For compliance, legal and safety material the objective is that exact wording lands, not that the voice sounds grave. A speed near 0.9 improves intelligibility measurably and usually matters more than which voice reads it. Speed is also the only delivery control available.

Wording that cannot drift

Regulatory language has to be reproduced exactly. Pronunciation dictionaries fix terms and product names once so they stay consistent across a whole library, and the 250 character request cap encourages the short declarative sentences that survive being heard once.

Drawn from the working pools

There is no seriousness tag, so this set comes from the educational and Voice Agent groups and rests on listening. The emotion data in the catalog covers only 36 voices and includes values unsuitable for a product context, so it was not used to build this list.

Coverage for regional compliance

Nine Indic languages carry recommended voices. For financial and insurance disclosures aimed at Indian markets, delivering compliance material in a customer's own language is often a requirement rather than a preference, and 144 voices in the catalog carry an Indic recommendation.

Popular voices

Frequently asked questions

Selected by ear from the educational and voice agent pools, since seriousness is not a tagged attribute. Erica and Blofeld in English, Aditi and Aarushi in Hindi. For compliance and legal reads, a speed of 0.9 improves intelligibility, which usually matters more than the choice of voice.