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What is Phonon?

Phonon is an open-weight text-to-speech (TTS) model and inference runtime that caters to developers who wish to integrate speech generation into applications with local and offline audio functionalities. This cutting-edge system converts written text into spoken words and can stream speech in real-time as it is generated. It provides interfaces for programming languages such as Rust and Python, includes a Swift package for iOS and macOS, offers JavaScript support for web browsers, and has libraries available for Android; it can also operate as a self-hosted server compatible with OpenAI's API. The model is designed to support various languages, including English, French, German, Spanish, and Portuguese, depending on the specific variant employed. Phonon is ideal for developers looking to embed speech capabilities into mobile, desktop, web, embedded, and server applications, particularly in situations that prioritize offline use or require enhanced privacy. The English model is comprised of 31 million parameters and is licensed under Apache 2.0, while the language-specific and multilingual models, with 40 million parameters, are available under CC BY-NC 4.0. Furthermore, the runtime's source code is offered under either the Apache 2.0 or MIT licenses, ensuring it is accessible for diverse development requirements. This adaptability and extensive support position Phonon as a highly versatile option for speech synthesis across a variety of platforms, making it a valuable asset for developers in the field.

What is MAI-Voice-2?

MAI-Voice-2 stands as a testament to Microsoft AI's cutting-edge progress in text-to-speech innovation, offering an extraordinarily expressive and realistic audio experience tailored for numerous production contexts where high-quality and emotionally resonant communication is vital for user engagement. This sophisticated model serves a wide array of functions, such as virtual assistants, customer support, audiobooks, assistive technologies, gaming, podcasts, educational content, simulations, and artistic endeavors, where the pursuit of a fluid and natural voice remains crucial. Originally focused on English, it has now expanded to support a total of 15 languages while maintaining its hallmark of naturalness and expressiveness, including Italian, French, German, Hindi, Spanish, Portuguese, Korean, Chinese, Turkish, Russian, Thai, Dutch, Romanian, and Hungarian. Furthermore, MAI-Voice-2 incorporates advanced emotion control using specific tags like sad, whispered, and excited, along with role-specific expressive speech, making it adaptable for applications ranging from motivational speaking to sports commentary and character portrayals. The model's remarkable versatility ensures it can fulfill the distinct demands of diverse sectors, significantly enhancing the integration of voice technology into daily life. By continually evolving and expanding its capabilities, MAI-Voice-2 sets a new standard for the future of interactive audio experiences.

Media

No images available

Media

Integrations Supported

Hugging Face

Integrations Supported

Microsoft Azure
Microsoft Foundry

API Availability

Has API

API Availability

Pricing Information

Pricing not provided
Free Version

Pricing Information

Pricing not provided

Supported Platforms

Android
iPhone
iPad
Windows
Mac
On-Prem
Linux

Supported Platforms

SaaS

Customer Service / Support

Not specified

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Gradium

Date Founded

2025

Company Location

France, United States

Company Website

gradium.ai/phonon

Company Facts

Organization Name

Microsoft AI

Date Founded

2024

Company Location

United States

Company Website

microsoft.ai/news/mai-voice-2expressive-speech-in-10-languages/

Categories and Features

Categories and Features

AI Models

Not specified

AI Voice Models

Not specified

Text to Speech

Not specified

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