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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 Azure AI Speech?

Accelerate the creation of voice-enabled applications confidently by leveraging the Speech SDK. This powerful tool enables accurate speech-to-text transcription, produces lifelike text-to-speech results, facilitates spoken language translation, and provides speaker recognition capabilities within conversations. You can customize your applications by employing tailored models through Speech Studio. Experience state-of-the-art speech recognition, realistic text-to-speech synthesis, and award-winning speaker identification technology, all while ensuring your data privacy, as no speech input is recorded during processing. Additionally, you can personalize voices, add specific terms to your vocabulary, or craft your own distinctive models. The Speech SDK is versatile enough to be used in various settings, such as cloud platforms and edge containers. With impressive accuracy, you can transcribe audio in more than 92 languages and dialects. This technology enhances customer comprehension via call center transcriptions, improves user experiences with voice-activated assistants, and captures important discussions in meetings, among other applications. Utilize the text-to-speech features to create applications and services that communicate in a natural manner, offering a selection of over 215 voices across 60 languages, which greatly enhances the engagement and versatility of your projects. The combination of these extensive capabilities empowers developers to innovate effortlessly while significantly enhancing user interactions and satisfaction.

Media

No images available

Media

Integrations Supported

Hugging Face

Integrations Supported

Azure Marketplace
Blabby
Crestwood Cloud
Custom Neural Voice
Fleece AI
Lont
MAI-Voice-2.1
Microsoft 365
Microsoft Azure
OpenAI Whisper
Openlayer
PyGPT
Restack

API Availability

Has API

API Availability

Pricing Information

Pricing not provided
Free Version

Pricing Information

Pricing not provided
Free Trial Offered?

Supported Platforms

Android
iPhone
iPad
Windows
Mac
On-Prem
Linux

Supported Platforms

SaaS

Customer Service / Support

Not specified

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub
On-Site Training

Company Facts

Organization Name

Gradium

Date Founded

2025

Company Location

France, United States

Company Website

gradium.ai/phonon

Company Facts

Organization Name

Microsoft

Date Founded

1975

Company Location

United States

Company Website

azure.microsoft.com/en-us/products/ai-services/ai-speech

Categories and Features

Categories and Features

AI Voice Generators

Not specified

Speech Recognition

Not specified

Speech to Text

Not specified

Text to Speech

Not specified

Transcription

Not specified

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