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Exclusively via Phonexia Speech Platform 

Voice Activity Detection
Technology

Voice Activity Detection
Technology

Instantly detect speech and its precise occurrences in audio content.

Instantly detect speech and its precise occurrences in audio content.

On-Premises Security

Private-Cloud Scalability

Easy Integration

Filter Audio Rapidly

Quickly determine whether audio contains speech—efficiently filter through large volumes and instantly flag audio content suitable for further speech processing.

Pinpoint Speech Easily

Seamlessly analyze mass audio content to locate speech segments with precision—skipping non-speech segments and focusing purely on relevant speech.

Optimize Resources

Cut operational costs, hardware needs, and processing time by directing compute-intensive speech processing technologies only to audio with sufficient speech.

Effortless Voice Activity Detection 

Audio Input

Audio Input

Upload audio through Phonexia Speech Platform's intuitive web GUI or REST/gRPC APIs. Ensure a sample rate of 8 kHz or higher for optimal results.

Audio Content Analysis

Audio Content Analysis

The Voice Activity Detection technology analyzes the entire audio, automatically distinguishing between silence and speech, and precisely locates each speech segment.

Voice Detection Result

Voice Detection Result

Receive timestamped speech segments in structured JSON formatview results instantly in the Phonexia Speech Platform web application or integrate them seamlessly into your intelligence and analytics platforms via REST or gRPC APIs.

Robust Versatility

The Voice Activity Detection technology leverages advanced channel compensation techniques for robust performance across various communication channels.

Channel-independent

Language-independent

Text-independent

Ultimate Security for Sensitive Audio 

Ultimate Security for Sensitive Audio 

Available exclusively via Phonexia Speech Platform, our Voice Activity Detection technology is designed for scalable on-premises and private-cloud deployments, giving you full control over audio processing to safeguard national security investigations, law enforcement evidence, and call center insights.

Your sensitive data never leaves your servers.

Seamless Integration

Seamless Integration

Multiple integration options to fit your workflows and technical requirements.

Intuitive GUI

REST API

gRPC API

Access Voice Activity Detection via the web app's intuitive graphical user interface (GUI).

Intuitive GUI

REST API

gRPC API

Access Voice Activity Detection via the web app's intuitive graphical user interface (GUI).

Why Choose Phonexia?

Why Choose Phonexia?

Seamless Technology Stack

Phonexia Voice Activity Detection is built natively into our Phonexia Speech Platform, which offers a unique suite of easy-to-use voice biometrics and speech recognition technologies.

Leading Innovation

Our research and development teams work closely with a NIST-renowned speech research group at Brno University of Technology, applying the latest breakthroughs to our industry-leading software.

Support That Cares

Our Europe-based team of experts is always ready to help with any challenge, because we genuinely care about the success of our customers worldwide who rely on our secure, on-premises technologies.

Trusted by Organizations in Over 60 Countries

Trusted by Organizations in Over
60 Countries

"Phonexia's voice recognition software leads the global market. As a long-term Asian partner, we easily outshine competitors, thanks to Phonexia's innovative engineers and strategic vision."

JaeBum Kim

CEO

"With strong focus on innovation, backed by a close partnership with Brno University of Technology and over 20 years' expertise, Phonexia is committed to being a global leader in voice recognition."

Federico Teveles

ICT Industry Analyst

"Phonexia's voice recognition software leads the global market. As a long-term Asian partner, we easily outshine competitors, thanks to Phonexia's innovative engineers and strategic vision."

JaeBum Kim

CEO

"With strong focus on innovation, backed by a close partnership with Brno University of Technology and over 20 years' expertise, Phonexia is committed to being a global leader in voice recognition."

Federico Teveles

ICT Industry Analyst

Try Voice Activity

Detection in Our
Free Online Demo

Try Voice Activity Detection in Our Free Online Demo 

Get your 30-day access to the Phonexia Speech Platform online demo and experience Voice Activity Detection in action—upload your own audio files or use built-in samples for instant speech detection.

Get your 30-day access to the Phonexia Speech Platform online demo and experience Voice Activity Detection in action—upload your own audio files or use built-in samples for instant speech detection.

Request Access

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Start Demo

+420 511 205 265

info@phonexia.com

Chaloupkova 3002/1a

612 00 Brno

Czech Republic

Company ID: 27680258

VAT ID: CZ27680258