Vosk-Browser

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vosk-browser is an open-source speech recognition library that runs in the browser using a WebAssembly build of Vosk. It enables real-time speech-to-text conversion directly within web applications, supporting 13 languages.

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At a glance

Pricing

Open Source

Free tier

Yes

API

Yes

Skill level

Technical

About

What is vosk-browser?

vosk-browser is a speech recognition library designed to run efficiently in web browsers, leveraging a WebAssembly build of Vosk. It provides real-time speech-to-text conversion capabilities, making it suitable for integrating voice control and accessibility features into web applications. The library is built to be easy to use, offering installation via npm or CDN. It explicitly compiles Vosk for use in a WebWorker context, ensuring smooth performance without blocking the main thread. Developers can utilize it for microphone input or audio file processing, with support for 13 languages, and access a live demo to see its functionality.

Best used for

Ideal for developers who need to integrate real-time speech recognition into web applications, process microphone input, and transcribe audio files. Especially valuable for building voice-controlled interfaces or enhancing web accessibility features with an open-source solution.

Common actions

transcribe speech

enable voice control

process audio input

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Capabilities

Key features

WebAssembly build
Real-time speech recognition
WebWorker context
Microphone input processing
Audio file processing
13-language support

Target Audience

web developersfrontend engineerssoftware architects

Integrations

Not yet documented

Pricing & Plans

Open Source

Free

FAQs

What is the primary use case for vosk-browser?

vosk-browser is primarily used for integrating real-time speech recognition into web applications. It allows developers to process audio input from microphones or files directly within the browser, enabling features like voice commands, transcription, and enhanced accessibility without server-side processing.

Does vosk-browser support multiple languages?

Yes, vosk-browser supports speech recognition in 13 different languages. This broad language support makes it a versatile tool for developing global web applications that require multilingual voice interaction or transcription capabilities.

How does vosk-browser handle performance in the browser?

vosk-browser is specifically compiled to run in a WebWorker context. This design choice ensures that the intensive speech recognition processing does not block the browser's main thread, leading to smoother performance and a more responsive user interface for web applications.

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Coding & Development › Frontend & UI

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