Discover the Voice Development Kit
The world’s simplest solution for enterprises to create an AI voice assistant that keeps their data private. Voice-enable your products and services with the VDK to take your business to the next level.

All-in-One Solution
The power of all voice technologies in a unique software
VDK is the result of years and years of voicetech experience and research. It is the first SDK that gathers a complete set of advanced voice technologies inside a unique tool. It allows companies and developers to create amazing voice experiences and products that work offline, anytime and anywhere, securing data while providing cloud-like performances.
Combining complexity and simplicity
What is the Voice Development Kit made of exactly?

The Studio, an easy-to-use graphical interface
A user-friendly interface that enables to take advantage of the SDK’s capabilities without the coding knowledge it implies. Each technology has its widget and a set of tools to both develop and finetune your bespoke solution.

The SDK, a powerful development tool to create advanced voice-enabled AIs
One SDK that gathers all the technology inside a unique integration platform. Combining R&D and ground-data, we managed to simplify complexity. This is where customization goes far beyond what we can imagine.
Adopting voice AI in your business starts here
Get in touch with our team to shift your company in the Voice First world.
Quick navigation & UI tour
Dive in one of the VDK’s easiest workflow

Start by defining your project's scope

Download resources and start developing

Prototype, test, repeat... until 100% satisfied

Export and embed to voice-enable your device
For developers, by developers
Start developing your voice AI solution with the VDK
1
Sign up to request a free trial
Share your information to access the VDK's evaluation.
2
Develop and test your use cases
Design, create and try all of your features.
3
Export and integrate
Available for Windows, Android or Linux devices.

Voice-enabled use cases
With the VDK, innovations become standards
Based on state-of-the-art technologies that cover all the needs of a modern voice assistant, the VDK has the unique ability to remove complexity. Unlike most voice solution providers, we offer a solution that anyone can use at any level, which also adapts to the customization needs, business models and technical stacks our customers work with.
Features and benefits from the VDK
If you are not already sure that the VDK is made for you

Internet Independent
By embedding our solution, your device doesn't need an Internet connection to run. VDK's technologies are designed to operate without requiring connectivity.

Privacy by Design
Our privacy safeguards at the product, algorithm, and business-model level ensure compliance with the strictest data regulations.

Predictable Costs
Master your budget with a clear pricing supporting your innovation and that adapts to the scalability of your project.

Cross-platform
We adapt to all your use cases with versatility, while being compatible with the largest microprocessor and device manufacturers.

Cloud-like accuracy
Performance and accuracy that meet DeepTech standards, all on the device.

Multilingual Conversations
Technologies inside the VDK understand and respond to you naturally in over 60 languages.
Companies that have chosen our solution
Our customers' feedbacks regarding our solutions

“Vivoka’s technologies have been integrated into our solutions dedicated to Human Factors in industry, guaranteeing performance and data confidentiality.”
Guillaume Jégou
Head of the Human Factors Technology Laboratory

"Vivoka’s solutions can run offline, on-device, to operate anywhere, anytime and with a broad language support capability which is for our products a distinct competitive advantage."
Paul Travers
Chief Executive Officer (CEO)

"We partnered with Vivoka on several innovative projects on embedded Linux system, and delivered, in a very short time, multi-lingual natural voice interactions fully running “at the edge” to our customers."
Cédric Vincent
VP of Technology
Technical requirements
Key specifications to use the VDK
Language count | 41 |
Model + Resource Size | 6 to 15MB |
SDK Code Size | 10 to 65MB |
Platform supported |
Windows - x86_64 Linux - x86_64 | armv7hf | armv8 Android 6.0 (API 23) |
Hardware supported | MPU |
Language count | 41 |
Model + Resource Size | 6 to 15MB |
SDK Code Size | 10 to 65MB |
Platform supported |
Windows - x86_64 Linux - x86_64 | armv7hf | armv8 Android 6.0 (API 23) |
Hardware supported | MPU |
Language count | 5 |
Model + Resource Size | 30 to 50MB |
Platform supported |
Windows - x86_64 Linux - x86_64 | armv7hf | armv8 Android 6.0 (API 23) |
Hardware supported | MPU |
Language count | 65 |
Model + Resource Size | <1MB up to 500MB per voice depending on the quality |
SDK Code Size | 5 to 65MB |
Platform supported |
Windows - x86_64 Linux - x86_64 | armv7hf | armv8 Android 6.0 (API 23) |
Hardware supported | MPU |
Language count | Agnostic |
Model + Resource Size | <1MB to 20MB |
SDK Code Size |
<1MB = 50KB / User registered 20MB = 5KB / User registered |
Platform supported |
Windows - x86_64 Linux - x86_64 | armv7hf | armv8 Android 6.0 (API 23) |
Hardware supported | MPU |
Language count | Agnostic |
Model + Resource Size | None |
SDK Code Size | 3MB |
Platform supported |
Windows - x86_64 Linux - x86_64 | armv7hf | armv8 |
Hardware supported | MPU |
Complementary technologies
Discover the technologies in VDK’s stack
It's always the right time to learn more about voice technologies and their applications
Large Language Models and ChatGPT
Since its launch in November 2022, ChatGPT has become a hot topic and has taken up more and more space in the media sphere. More domains are integrating Large Language Models (LLM) as part of their...

NLU model best practices to improve accuracy

The future of Warehousing: Voice Directed Warehouse Operations

5 business applications to leverage embedded NLU in your products & services

Natural Language Processing – An Overview on what makes an AI “conversational”
