Realtime TTS-2Inworld
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Related Products
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About
AuthorVoices.ai is an AI-powered audiobook production platform that transforms written manuscripts into retail-ready narrated audio quickly and at a fraction of traditional costs. Users upload their text, choose from a wide variety of professionally generated AI voices, or even clone their own voice, and the system converts the content into smooth, natural-sounding narration with control over tone, pace, accent, and emotion. It supports dozens of languages and accents, giving authors flexibility to match narration style to their book’s genre or audience. The output meets technical requirements for most audiobook retailers (though currently not accepted by Audible/ACX when using AI-generated voices), and users retain full rights to their audio. Production time is dramatically reduced; authors can generate one minute of audio in roughly one minute, with most time spent on proofing rather than recording.
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About
Realtime TTS-2 from Inworld AI is a new generation of voice model built for real-time conversation: a voice model that feels as human as it sounds. It hears the full audio of an exchange, picks up the user’s tone, pacing, and emotional state, then takes voice direction in plain English, the way developers prompt an LLM. Instead of generating speech in isolation, it listens to prior turns of the exchange, so tone and pacing carry forward, and the same line can land differently after a joke than after bad news. Voice Direction lets developers steer delivery like a director would steer a voice actor, using natural-language descriptions rather than fixed emotion presets or sliders. Inline nonverbals like [sigh], [breathe], and [laugh] can be placed inside the text, and the model renders them as audio events. Realtime TTS-2 preserves one voice identity across more than 100 languages, including mid-utterance language switches.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Independent authors, self-publishers, and content creators wanting a tool to convert their books into audiobooks affordably and quickly
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Audience
Voice AI developers building realtime agents, characters, tutors, support systems, and companions that need emotionally aware, multilingual, humanlike speech
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
No information available.
Free Version
Free Trial
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Pricing
$25 per month
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationAuthorVoices.ai
United States
www.authorvoices.ai/
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Company InformationInworld
Founded: 2021
United States
inworld.ai/blog/realtime-tts-2
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Integrations
ChatGPT
Claude
Gemini
Grok
Perplexity
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