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Description
The Azure Voice Live API offers a comprehensive, managed platform for creating high-quality, low-latency speech-to-speech agents, all through a single, unified interface. By integrating speech recognition, generative AI, and text-to-speech capabilities, it enables developers to effortlessly send audio inputs and receive synchronized audio outputs, along with avatar visuals and action triggers, while eliminating the need for separate backend orchestration or model deployment. This robust solution supports over 140 speech-to-text languages and features more than 600 standard voices across 150+ text-to-speech languages, providing options for custom speech, phrase lists, unique voices, and avatars that align with brand identities. Developers have the flexibility to select from various generative AI models, such as GPT-Realtime, GPT-5, GPT-4.1, GPT-4o, Phi, and other compatible bring-your-own models, tailored to meet specific needs for intelligence, speed, and latency. The API also incorporates advanced conversational features like noise suppression, echo cancellation, effective interruption detection, and end-of-turn detection, enhancing the overall user experience and ensuring smoother interactions. With these capabilities, developers can create more engaging and lifelike conversational agents that cater to diverse applications.
Description
At Cepstral, we concentrate solely on Text-to-Speech technology. Our mission is to develop lifelike synthetic voices capable of delivering messages with personality and flair, regardless of the platform. Whether it’s a compact device or an extensive installation, our voices transform content into engaging audio experiences on demand. By converting text into clear and natural speech, Cepstral enhances your ability to communicate effectively. Our text-to-speech solutions are designed for seamless integration with your existing systems and software architecture. Additionally, our dedicated support team is available to assist you with any inquiries. We invite you to reach out and discover how we can support your needs. Cepstral specializes in providing advanced speech technologies and services that facilitate the spoken transmission of information. Our high-quality, natural-sounding voices are developed for a variety of applications, including handheld devices, desktops, and servers. The ease of integration and efficient memory use of our technology make it a versatile choice for developers. Moreover, we have pioneered innovative methods for creating both general-purpose and specialized "domain voices," enabling the spoken output to be customized to suit specific applications. This flexibility ensures that your audio content resonates with your audience in a meaningful way.
API Access
Has API
API Access
Has API
Integrations
GPT-4.1
GPT-4o
GPT-5
MAI-Voice-2-Flash
Microsoft Azure
Phi-4
TextSpeech Pro
gpt-realtime
Integrations
GPT-4.1
GPT-4o
GPT-5
MAI-Voice-2-Flash
Microsoft Azure
Phi-4
TextSpeech Pro
gpt-realtime
Pricing Details
No price information available.
Free Trial
Free Version
Pricing Details
No price information available.
Free Trial
Free Version
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Vendor Details
Company Name
Microsoft
Founded
1975
Country
United States
Website
learn.microsoft.com/en-us/azure/ai-services/speech-service/voice-live
Vendor Details
Company Name
Cepstral
Country
United States
Website
www.cepstral.com/en
Product Features
Text to Speech
API
Adjust Speaking Rate / Pitch
Audio Optimization
Custom Lexicons
Different Voice Choices
Multi-Language Support
Synchronize Speech
Product Features
Text to Speech
API
Adjust Speaking Rate / Pitch
Audio Optimization
Custom Lexicons
Different Voice Choices
Multi-Language Support
Synchronize Speech