Products

Solutions

Resources

About Us

Exclusively via Phonexia Speech Platform 

Speaker Diarization
Technology

Speaker Diarization
Technology

Effortlessly label who spoke when in audio based on their voices. 

Effortlessly label who spoke when in audio

based on their voices. 

Effortlessly label who spoke when in audio based on their voices. 

On-Premises Security

Private-Cloud Scalability

Easy Integration

Investigate Faster

Turn hours of intercepted calls or interviews into clear, timestamped speaker labels—letting investigative teams focus on evidence instead of manual listening.

Streamline Workflows

Integrate precise diarization via APIs into existing platforms, empowering analysts with clear "who spoke when" insights while keeping sensitive data under control.

Boost Call Analytics

Automatically separate agent and customer voices in recordings—unlock faster quality checks, better training, and richer speech analytics for measurable ROI.

Effortless Speaker Diarization

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 performance.

Speaker Labeling

The Speaker Diarization technology analyzes voice(s) in the audio and automatically labels each speaker segment based on language- and text-independent voice biometrics (no referential voiceprints needed).

Diarization Result

The output delivers timestamped speaker labels in structured JSONviewable in the intuitive Phonexia Speech Platform web application or seamlessly integrated into your intelligence and analytics platforms via REST or gRPC APIs.

Robust Versatility

Our Speaker Diarization 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 Speaker Diarization 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

Multiple integration options to fit your workflows and technical requirements.

Intuitive GUI

REST API

gRPC API

Access Speaker Diarization via the web app's intuitive graphical user interface (GUI).

Intuitive GUI

REST API

gRPC API

Access Speaker Diarization via the web app's intuitive graphical user interface (GUI).

Why Choose Phonexia?

Why Choose Phonexia?

Seamless Technology Stack

Phonexia Speaker Diarization 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 Speaker Diarization in Our
Free Online Demo 

Try Speaker Diarization in Our
Free Online Demo 

Try Speaker Diarization in Our

Free Online Demo 

Get your 30-day access to the Phonexia Speech Platform online demo and experience our Speaker Diarization technology in action—upload your audio files or use built-in samples for instant speaker-labeling results.

Get your 30-day access to the Phonexia Speech Platform online demo and experience our Speaker Diarization technology in action—upload your audio files or use built-in samples for instant speaker-labeling results.

Get your 30-day access to the Phonexia Speech Platform online demo and experience our Speaker Diarization technology in action—upload your

audio files or use built-in samples for instant

speaker-labeling results.

Request Access

Receive Email

Start Demo

Try Speaker Diarization in Our
Free Online Demo 

+420 511 205 265

info@phonexia.com

Chaloupkova 3002/1a

612 00 Brno

Czech Republic

Company ID: 27680258

VAT ID: CZ27680258