AI Text-to-Speech

Convert Text into Natural, Human-Like Speech

Transform written content into expressive, high-quality speech with Raritone's Text-to-Speech platform. Create realistic audio for applications, videos, podcasts, audiobooks, customer support, and enterprise solutions using advanced AI speech technology.

70+

Languages

48kHz

Audio

<300ms

Latency

4.9/5·Trusted by 12,000+ teams
Text-to-Speech illustration with text being converted to audio
Synthesis · 48kHz
TTS-0421
script.txt

Welcome to Raritone TTS

voice · aria
ENHello

Coverage

70+ languages

One API call. Studio-quality speech.

tts.raritone / studio
Text-to-speech workspace converting text blocks into voice waveforms

Card No. 001

Text-to-Speech Console

v4.2

Approved

2026 · TTS

InputEN-US

“Welcome to Raritone — your text, spoken beautifully.”

Output0:04

Voices

120+ Models

Overview

AI-Powered Text-to-Speech for Every Industry

Raritone enables businesses, developers, and creators to convert text into clear, natural-sounding audio in multiple languages and accents. Whether you're building voice-enabled applications or producing professional content, our platform delivers fast, reliable, and scalable speech generation.

DevelopersEnterprisesCreatorsPublishers

Realistic

Pronunciation

Multilingual

Engine

Scalable

Cloud

Key Features

Everything you need to turn text into voice

Studio-grade controls, expressive output, and infinite scale — wrapped in a single, friendly canvas.

06 capabilitiesStudio · Expressive · Fast
01

Natural Speech Synthesis

Generate realistic speech with human-like pronunciation, rhythm, and intonation.

02

Multiple Voices

Choose from a growing library of male and female AI voices for different use cases.

03

Multilingual Support

Convert text into speech across multiple languages and regional accents.

04

Custom Speech Controls

Adjust speech speed, pitch, pauses, and pronunciation for greater control.

05

High-Quality Audio

Generate clear audio suitable for commercial, educational, and enterprise applications.

06

Fast Cloud Processing

Create speech in seconds with scalable cloud-based AI infrastructure.

How it works

From text to human-like speech in 5 simple steps

From a blank page to broadcast-ready audio — see exactly what happens at each step.

01
02
03
04
05
  1. Step 01~5 sec
    PasteTypeUpload
    Step 01~5 sec

    Enter or paste your text

    Type, paste, or upload paragraphs, scripts, dialogues, or full chapters.

    PasteTypeUpload
    script.txt · 142 words
    > Welcome to Raritone Text-to-Speech.
    > Today, we're launching multilingual synthesis
  2. Step 02~10 sec
    200+ voices70+ langsAccents
    Step 02~10 sec

    Select your preferred voice and language

    Choose a persona from the voice library, then language, accent, and style.

    200+ voices70+ langsAccents
    🇺🇸AriaEN-US
    🇪🇸SofiaES-MX
    🇯🇵KenjiJA-JP
  3. Step 03Optional
    SpeedPitchPauses
    Step 03Optional

    Customize speech settings

    Tweak speed, pitch, pauses, and pronunciation to match your brand.

    SpeedPitchPauses
    Speed
    1.0×
    Pitch
    +2
    Volume
    −3 dB
  4. Step 04<300ms
    AI synthesis48 kHz24-bit
    Step 04<300ms

    Generate natural AI speech

    One click — our AI renders crystal-clear, expressive speech in seconds.

    AI synthesis48 kHz24-bit

    Rendering…

    aria_v2 · 24.0s

    87%
    Streaming218 ms · p95
  5. Step 05Instant
    WAVMP3Stream API
    Step 05Instant

    Preview, download, or stream

    Preview, download as WAV/MP3, or integrate via the Raritone API.

    WAVMP3Stream API

    aria_tts.mp3

    1.24 MB · 48 kHz · 24-bit

    DownloadStream

That's it — 5 steps, studio-quality speech

Use Cases

One TTS engine, countless applications

From cozy podcast booths to enterprise call centers — Raritone fits wherever your audience listens.

Video Narration01
Creator

Video Narration

Create professional voiceovers for marketing videos, tutorials, and presentations.

Learn moreLive demo
Audiobooks02
Publishing

Audiobooks

Convert books, articles, and documents into engaging spoken audio.

Learn moreLive demo
Podcasts03
Audio

Podcasts

Produce high-quality podcast narration without recording equipment.

Learn moreLive demo
E-Learning04
Education

E-Learning

Generate educational content and online course narration.

Learn moreLive demo
Customer Support05
Enterprise

Customer Support

Power IVR systems, AI assistants, and automated voice responses.

Learn moreLive demo
Accessibility06
Inclusive

Accessibility

Improve accessibility by converting written content into natural speech for users who prefer or require audio.

Learn moreLive demo
Customization

Personalize every voice output

Personalize every voice output with flexible controls.

Voice Studio

Mixer · Nova (EN-GB)

Live preview
L
72%
R
64%
Lo
38%
Hi
56%
Gain
Reverb
EQ
Comp
Pan
Voice SelectionNova · Crisp Female
ABC
Language & AccentBritish (UK)
ABC
Speaking StyleNarrative
ABC
Speech Speed1.15×
Pitch Control+1 semitone
Volume Adjustment−1.5 dB
Pronunciation EditorIPA · Lexicon
ABC
Pause Control0.35s · soft
ABC

EQ Curve

Studio · Narrative

+2.4 dB @ 4 kHz
20Hz250Hz1kHz4kHz16kHz

Style preset

1 of 4

Now Playing

Nova · English (UK)

0:14
0:24218ms

Sample

48 kHz

Bit depth

24-bit

Channels

Stereo

8 Pro
Controls
Built-in
Supported Languages

Speak the world's languages naturally

Generate speech for global audiences with support for multiple languages and regional accents.

70+Languages200+Voices24/7Translation
Helloनमस्तेHolaBonjourHalloOláこんにちは안녕하세요مرحباCiaoПривет你好MerhabaHallåHejสวัสดีXin chàoHaloHelloनमस्तेHolaBonjourHalloOláこんにちは안녕하세요مرحباCiaoПривет你好MerhabaHallåHejสวัสดีXin chàoHalo

Live Translation

4 languages · streaming

Live
🇺🇸
ENHello, world.
12:04
ESHola, mundo.
12:04
🇪🇸
🇯🇵
JAこんにちは、世界。
12:04
HIनमस्ते दुनिया।
12:05
🇮🇳
🇫🇷
Auto-translate218ms
Live
in 70+
Languages
🇺🇸

Hello

/həˈloʊ/

English
🇮🇳

नमस्ते

namaste

Hindi
🇪🇸

Hola

/ˈo.la/

Spanish
🇫🇷

Bonjour

/bɔ̃.ʒuʁ/

French
🇩🇪

Hallo

/ˈha.lo/

German
🇵🇹

Olá

/oˈla/

Portuguese
🇯🇵

こんにちは

kon'nichiwa

Japanese
🇰🇷

안녕하세요

annyeonghaseyo

Korean
🇸🇦

مرحبا

marhaban

Arabic
🇮🇹

Ciao

/ˈtʃa.o/

Italian
+60

Voice library

more languages & accents

Browse the full library →

Why Choose Raritone Text-to-Speech

The TTS engine teams actually trust

Picked by creators and shipped at enterprise scale — Raritone balances expressive output with the reliability you need in production.

12k+

Devs

4.9

G2 score

250M+

API calls

Customer success team
Text-to-Speech product preview
Enterprise operations room
Loved
By
Teams
SOC 2 Type IIGDPRISO 27001HIPAA-ready
08 ReasonsThe full set

Natural AI Voices

Lifelike intonation, breath, and pacing — not robotic.

98% lifelike

High-Quality Audio Output

Studio 48kHz · 24-bit fidelity, broadcast-ready.

48kHz · 24-bit

Fast Speech Generation

Sub-second rendering for production workflows.

<300ms p95

Multiple Languages & Accents

70+ languages, region-specific accents, neural voices.

70+ langs

Flexible Voice Controls

Speed, pitch, volume, pauses, pronunciation — all yours.

8 controls

Developer-Friendly API

Clean REST + streaming SDKs in every major language.

6 SDKs

Enterprise-Ready Infrastructure

SLAs, dedicated capacity, regional deployments.

99.99% SLA

Secure Cloud Platform

Encrypted in transit & at rest, SOC 2 / GDPR aligned.

SOC 2 · GDPR

Talk to us

Need enterprise scale or a custom TTS voice?

Contact sales
Developer API

Add Text-to-Speech to ANY APP in minutes

Integrate Text-to-Speech capabilities directly into your applications using the Raritone API.

sdks
NodePythonGoRubyJavaREST
  • 01Text-to-Speech API
  • 02Audio Generation
  • 03Streaming Support
  • 04Authentication
  • 05Voice Management
  • 06Usage Analytics
POST · /v1/tts/synthesizeHTTP/2
REQUESTrequest.sh
# Synthesize speechcurl -X POST \  https://api.raritone.ai/v1/tts/synthesize \  -H 'Authorization: Bearer $RT_KEY' \  -H 'Content-Type: application/json' \  -d '{    "text": "Hello, world.",    "voice": "aria",    "language": "en-US",    "format": "mp3"  }'# → audio bytes streaming…
audio bytes
live
RESPONSEstream.ndjsonstreaming
{ "event": "audio.start",  "voice": "aria" }{ "event": "audio.chunk",  "seq": 1,  "bytes": "UklGRiQAAA…" }{ "event": "audio.chunk",  "seq": 2 }{ "event": "audio.end",  "format": "mp3",  "duration": 1.42 }
successtext="Hello, world." · voice=aria · en-US · mp313.1 KB
tts.stream.logchunks5SSE
+00.012s OPEN session=ws_8f2 · codec=mp3 · 48kHz+00.046s CHUNK seq=001 · 4.2 KB · phonemes=Hə-loʊ+00.094s CHUNK seq=002 · 5.1 KB · word=&apos;world&apos;+00.142s CHUNK seq=003 · 3.8 KB · prosody=natural+00.188s CLOSE total=13.1 KB · 1.42s audio · done
200 OK
latency142 ms
Frequently Asked

Questions, answered.

Everything you need to know about Raritone Text-to-Speech — from voice controls to commercial licensing.

FAQ · 05···Updated monthly
Raritone Text-to-Speech support
Raritone
Reply < 5m24/7
Talk to us

“The voices sound so natural — we shipped narrated lessons in three days, not three months.”

— Product Lead · E-Learning startup

Text-to-Speech (TTS) is an AI technology that converts written text into natural-sounding spoken audio.

Was this helpful?Read full guide
Updated 3 days ago·12 discussions

Yes. Raritone provides a selection of AI voices with different languages, accents, and speaking styles.

Was this helpful?Read full guide
Updated 3 days ago·16 discussions

Yes. The platform supports multiple languages and regional accents, with ongoing expansion.

Was this helpful?Read full guide
Updated 3 days ago·20 discussions

Yes. Developers can integrate TTS capabilities using the Raritone API and supported SDKs.

Was this helpful?Read full guide
Updated 3 days ago·24 discussions

Commercial use depends on your subscription plan and compliance with the platform&apos;s licensing terms.

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Updated 3 days ago·28 discussions

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Transform Text into Realistic AI Speech

Create high-quality voiceovers, automate speech workflows, and deliver engaging audio experiences with Raritone's Text-to-Speech platform.

No credit card required10K free characters / mo70+ languages