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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 CosyVoice?

CosyVoice is an advanced model for voice cloning and speech synthesis created by Qwen Cloud, which belongs to the CosyVoice series and focuses on improving professional text-to-speech applications by significantly enhancing audio quality, naturalness, expressiveness, and accuracy in voice cloning. This innovative model can produce a customized voice that closely matches the reference audio with just a short recording period of 10–20 seconds of clear speech for optimal results, although it is essential to provide a minimum of five seconds of uninterrupted speech. Additionally, it features capabilities for real-time streaming of text-to-speech synthesis, allowing applications to effectively process text and generate audio with minimal initial delays. The model supports a range of languages, including Chinese, English, French, German, Japanese, Korean, and Russian, and it provides language suggestions during the enrollment phase to aid in accurate voice identification. Accepted recording formats include WAV, MP3, or M4A, with a requirement for the speech to be clear and free from background noise, music, or other speakers to achieve the best results. In summary, CosyVoice emerges as a robust solution for crafting personalized voice experiences across various languages and contexts, making it an essential tool for those in need of high-quality voice synthesis. Its versatility and advanced features make it an attractive option for both personal and professional applications alike.

Media

Media

Integrations Supported

JSON
Python
Qwen
Qwen Studio
QwenCloud

Integrations Supported

JSON
Python
Qwen
Qwen Studio
QwenCloud

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Version
Free Trial Offered?

Pricing Information

$0.26 per 10,000 characters
Free Version
Free Trial Offered?

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

Alibaba

Date Founded

1999

Company Location

China

Company Website

www.qwencloud.com/models/cosyvoice-v3-plus

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

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