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What is Piper TTS?

Piper is a high-speed, localized neural text-to-speech (TTS) system specifically designed for devices such as the Raspberry Pi 4, with the goal of delivering exceptional speech synthesis capabilities independent of cloud services. By utilizing neural network models created with VITS and later converted to ONNX Runtime, it ensures both efficient and lifelike speech generation. The system supports a wide range of languages including English (US and UK variations), Spanish (from Spain and Mexico), French, German, and several others, along with options for downloadable voices. Users can interact with Piper through command-line interfaces or easily incorporate it into Python applications using the piper-tts package, allowing for versatile usage. Features like real-time audio streaming, the ability to process JSON inputs for batch tasks, and support for multi-speaker models further enhance its functionality. In addition, Piper leverages espeak-ng for phoneme generation, converting text into phonemes prior to speech synthesis. Its versatility is evident in its applications across multiple projects such as Home Assistant, Rhasspy 3, and NVDA, showcasing its adaptability to various platforms and scenarios. By prioritizing local processing, Piper is particularly appealing to users who value privacy and efficiency in their speech synthesis applications. Its capability to operate seamlessly across different environments makes it a powerful tool for developers and users alike.

What is ONNX?

ONNX offers a standardized set of operators that form the essential components for both machine learning and deep learning models, complemented by a cohesive file format that enables AI developers to deploy models across multiple frameworks, tools, runtimes, and compilers. This allows you to build your models in any framework you prefer, without worrying about the future implications for inference. With ONNX, you can effortlessly connect your selected inference engine with your favorite framework, providing a seamless integration experience. Furthermore, ONNX makes it easier to utilize hardware optimizations for improved performance, ensuring that you can maximize efficiency through ONNX-compatible runtimes and libraries across different hardware systems. The active community surrounding ONNX thrives under an open governance structure that encourages transparency and inclusiveness, welcoming contributions from all members. Being part of this community not only fosters personal growth but also enriches the shared knowledge and resources that benefit every participant. By collaborating within this network, you can help drive innovation and collectively advance the field of AI.

Media

Media

Integrations Supported

Azure SQL Edge
Cirrascale
Flyte
Groq
Higson
Intel Open Edge Platform
JSON
LaunchX
ML.NET
OpenVINO
Python
Qualcomm AI Hub
Qualcomm Cloud AI SDK
SiMa

Integrations Supported

Azure SQL Edge
Cirrascale
Flyte
Groq
Higson
Intel Open Edge Platform
JSON
LaunchX
ML.NET
OpenVINO
Python
Qualcomm AI Hub
Qualcomm Cloud AI SDK
SiMa

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Rhasspy

Company Location

United States

Company Website

github.com/rhasspy/piper

Company Facts

Organization Name

ONNX

Company Website

onnx.ai/

Categories and Features

Text to Speech

API
Adjust Speaking Rate / Pitch
Audio Optimization
Custom Lexicons
Different Voice Choices
Multi-Language Support
Synchronize Speech

Categories and Features

Machine Learning

Deep Learning
ML Algorithm Library
Model Training
Natural Language Processing (NLP)
Predictive Modeling
Statistical / Mathematical Tools
Templates
Visualization

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