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AiVoxta • Neural Speech & Agent Voice Studio

AiVoxta: Speech synthesis. With soul.

Studio-grade neural voice generation with living human inflection. Expressive performance tags, curated multilingual voices, and zero-shot voice cloning in your browser.

Launch Studio
Explore 37+ Voices
Ethan (Energetic American Male)
Ethan (Energetic American Male)English • American
● STUDIO PRO

Welcome to Voxta. [excited] Creating natural-sounding neural speech with human emotion has never been this seamless.

Try Tags:
Interactive Audio Demo0:00 / 0:06 • 128kbps MP3
PRODUCT SHOWROOM • 18 SECONDS

See speech synthesis with soul. In 18 seconds.

Experience living human inflection, inline emotion tags ([whisper], [excited]), and 37+ multilingual voices in action.

AiVoxta Launch Film
Turn Sound On
0:18
Deep Learning Acoustics

Neural Speech Architecture.

Broadcast-quality speech synthesis trained on diverse multi-lingual datasets with zero robotic artifacts.

Sub-Second Latency

Stream audio chunks with chunk-based inference algorithms optimized for real-time applications and conversational voice agents.

44.1kHz Studio Fidelity

Full dynamic frequency response with crystal clear highs and deep lows, ensuring natural breathing and pitch modulation.

Zero-Shot Cloning

Clone any voice timbre in seconds using Fish Audio reference IDs or 10-second reference audio recordings.

Performance Control

Direct the voice.
Down to the breath.

The neural voice engine interprets inline performance cues. Add bracketed directives directly inside your dialog to modulate whispers, laughter, hesitation, and excitement.

[whisper] for intimate narrative moments
[excited] & [dramatic] for promo climaxes
[pause] & [sighs] for natural conversational pacing
Test in Studio
Script Performance AnnotationsNeural Directives
Storytelling

[whisper] Listen closely... [dramatic] The truth has been hidden in plain sight.

Podcast Announcement

Welcome back! [excited] Today we are announcing our biggest release yet.

Conversational

I wasn't sure at first [chuckles], but after testing it, I was completely blown away.

100% Private Architecture

Bring Your Own Key.

Voxta runs as a stateless client application. Your Fish Audio and OpenRouter keys are stored exclusively in your browser and never retained on any server database.

Local-First Storage

Credentials are stored in your device's encrypted browser storage. No accounts, no password leaks, and no intermediate logins.

Direct Provider Relay

All voice requests communicate directly with Fish Audio's high-speed synthesis endpoints over TLS 1.3 encryption.

Open SDK Compatibility

Easily export your generated synthesis parameters into standard cURL commands, Node.js, and Python scripts.

Curated Voices Library

Voices for every story.

Explore 37+ pre-tuned speaker profiles optimized for conversational warmth, audiobook narration, news broadcast, and anime dialog.

Ethan (Energetic American Male)
Ethan (Energetic American Male)en • male
conversational

A youthful and energetic American male voice with a clear, dynamic delivery for announcements and tutorials.

Use in Studio
Aarav (Energetic Indian Male)
Aarav (Energetic Indian Male)hi • male
conversational

Clear, enthusiastic, and confident Indian male voice with an engaging tone, perfect for tutorials and promos.

Use in Studio
Aoi (Cute Japanese Anime Girl)
Aoi (Cute Japanese Anime Girl)ja • female
character

Soft, breathy young Japanese female voice with a gentle, playful tone for anime and character stories.

Use in Studio
Open Voice Library in Studio+35 More
Showing 3 of 38 curated voice models
Developer Ready

Integrate in minutes.

Clean, standard HTTP REST & WebSocket streaming interfaces. Export directly from your studio session into production code.

curl -X POST https://api.fish.audio/v1/tts \
  -H "Authorization: Bearer YOUR_FISH_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "text": "Hello world! [excited] Speech synthesis with Voxta is incredible.",
    "reference_id": "802e3bc2b27e49c2995d23ef70e6ac89",
    "format": "mp3",
    "mp3_bitrate": 128,
    "latency": "normal"
  }' \
  --output speech.mp3
View Full Interactive API Docs
Architectural Deep Dive & Platform Overview

State-of-the-Art Neural Speech Synthesis for Modern Creators.

An in-depth technical exploration of Voxta's latent audio diffusion engine, expressive acoustic modeling, multilingual phonetic fidelity, client-side privacy, and scalable developer infrastructure.

Next-Gen Latent Audio Diffusion & Acoustic Fidelity

Voxta is built upon a revolutionary transformer-based latent diffusion architecture trained across millions of hours of diverse, multi-speaker conversational audio. Unlike legacy concatenative or early parametric TTS systems that sound robotic, flat, and disjointed, Voxta synthesizes 44.1kHz studio-master acoustic waveforms with authentic human breath mechanics, natural rhythmic pauses, subtle micro-intonations, and organic vocal timbre across every syllable.

Sub-150ms Latency • 44.1kHz Studio Master

Expressive Emotion Tags & Natural Prosody Modulation

Traditional speech synthesis requires complex, brittle XML-based SSML markup that disrupts the creative writing process. Voxta eliminates this friction by pioneering intuitive, inline performance directives like [whispering], [excited], [dramatic], [sighs], [laughter], and [terrified]. The neural speech engine dynamically interprets these performance cues in real-time, modulating pitch contours, vocal tract acoustics, speech rate, and breath intensity without unnatural artifacts.

18+ Neural Tags • Real-Time Prosody Modulation

Native Multilingual Phonetics (Hindi, English, Japanese)

Engineered for global reach, Voxta delivers native-level phonetic intelligence across major world languages. In Hindi, the engine handles complex Devanagari conjuncts, colloquial Hinglish phrasing, and nuanced regional inflections effortlessly. In Japanese, it preserves pitch-accent contours and theatrical anime vocal tropes with pristine accuracy, while delivering crisp, natural prose across American, British, and global English dialects.

Multilingual Lexicon • Native Accent Fidelity

Zero-Retention Security & Client-First BYOK Privacy

Your creative manuscripts, voice cloning references, and proprietary scripts belong exclusively to you. Voxta is architected around a transparent Bring Your Own Key (BYOK) security model. API tokens are stored securely in local browser storage and never retained or logged on intermediary servers. Audio synthesis streams directly to your client via stateless proxies with zero permanent database storage, ensuring strict data privacy compliance.

End-to-End Encryption • Client-Side Token Caching

Tailored for Creators, Studios & Indie Game Developers

Whether mastering high-volume audiobook chapters, localizing YouTube videos for international audiences, producing expressive video game NPC voice acting, or designing responsive conversational AI agents, Voxta eliminates thousands of dollars in studio recording overhead. Export your audio takes in high-fidelity MP3, uncompressed WAV, Opus, or raw PCM formats with customizable sample rates and fine-grained pitch controls.

MP3 / WAV / Opus / PCM • Batch Export Capability

High-Throughput REST APIs & Low-Latency Streaming SDKs

Seamlessly integrate studio-grade voice synthesis directly into your automated production pipelines, backend microservices, or interactive applications. Voxta provides standard HTTP REST endpoints and low-latency chunked WebSocket streams, accompanied by production-ready code examples in Python, TypeScript, Node.js, Next.js, and cURL, enabling developers to deploy cutting-edge AI speech features in minutes.

OpenAPI Compatible • Python & TypeScript SDKs
The Evolution of AI Speech Technology

Bridging the Gap Between Robotic Synthesis and Authentic Human Articulation

For decades, automated text-to-speech struggled with the "uncanny valley" of digital audio. Synthetic voices sounded stiff, stumbled over natural multilingual idioms, and failed to convey dramatic tension. Voxta represents a fundamental paradigm shift. By integrating self-supervised neural speech representations and diffusion-based acoustic decoding, the platform generates voice outputs with unprecedented emotional fidelity, continuous intonation curves, and context-aware pronunciation.

Whether you are an independent creator producing high-definition podcasts, an enterprise localizing global learning materials into Hindi and Japanese, or a game developer scripting interactive character interactions, Voxta provides a zero-compromise acoustic canvas. With 37+ curated speaker profiles and unlimited custom voice models, creators can produce broadcast-ready speech directly from any web browser without specialized hardware.

Ready to generate studio-grade speech in seconds?

Experience the future of neural voice synthesis on AiVoxta. Choose from 37+ curated speaker models across Hindi, English, and Japanese or paste any custom voice model ID to get started immediately.

Open Studio