Speech Analytics
Updated on
September 7, 2026
1
min

Why SESTEK in Speech Analytics Solutions

Sestek Team
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Key Takeaways
  • SESTEK invests 40%+ of revenue into R&D and operates two R&D centers with 100+ engineers, contributing to Horizon, Eurostars, Eureka, and other international AI research programs.
  • SESTEK's speech recognition engine achieves market-leading 97% accuracy — the accuracy of the underlying SR engine directly determines the quality of all speech analytics outputs built on top of it.
  • Knovvu Analytics offers AI-driven sentiment analysis without pre-defined categories, plus speaker diarization, multilingual identification, and acoustic parameter measurement.
  • The solution supports both on-premises and cloud deployment via containerized architecture with multi-tenancy — adaptable to regulated industries with strict data residency requirements.
  • 25+ years of voice and AI expertise in call center contexts means SESTEK understands industry-specific requirements that newer analytics vendors entering on LLM tooling alone cannot replicate.

Speech Analytics is leading the transformation in call center operations by providing key insights into customer experience, call center efficiency, agent performance, and much more. However, to achieve these benefits, it is essential to deploy the right speech analytics solution in your call center operations.

Why is it Crucial to Choose the Right Speech Analytics Solution?

With advancements in Conversational AI and Large Language Models (LLMs), analytics technologies have evolved. To maximize the benefits of speech analytics software, it is essential to choose a technology provider that not only offers exceptional pre-sales and post-sales services but also stands out with best-in-class technical features. SESTEK's speech analytics solution, Knovvu Analytics, meets all your needs for excellent call center operations.

Driving Technological Progress Through R&D

At SESTEK, R&D has always been at the core of our operations. In our two R&D centers located in Istanbul and Ankara, our team of over 100 expert engineers develops tailored technologies for industries such as finance, healthcare, and robotics. We invest over 40% of our revenue into R&D and contribute to national and international projects like Horizon, Eurostars, Eureka, TrustED, and Globalstars.

Unmatched Expertise in Speech Analytics Projects

SESTEK brings over 25 years of experience in voice and AI technologies, with a strong focus on call center solutions, including speech analytics. Our extensive experience means we have mastered this domain and know how to help our customers see improvements from day one.

Market-Leading Technology at the Heart of Solution

The functionality of speech analytics largely depends on the speech recognition engine it uses. At SESTEK, our speech recognition engine boasts a market-leading 97% accuracy rate. This high level of accuracy ensures not only the success of our speech analytics platform but also guarantees the success of all our voice-enabled projects.

Exploring Essential Technical Features

SESTEK's Knovvu Analytics stands out from its competitors with comprehensive technical features:

  • High Performance: Faster response times and prompt query results, ensuring users can obtain insights more rapidly for faster decision-making.
  • In-Depth Analysis with Voice Features: Speaker diarization, multilingual identification, and AI-driven sentiment analysis without the need for pre-defined categories.
  • Advanced Agent Performance Management: Measures silence duration, monotonicity, and interruptions. Offers a self-practice module for agents and real-time triggers for supervisors.
  • Ease of Use: Pre-built categories generated by AI-driven topic categorization and visual query design with no coding requirements.
  • Customizable to Different Needs: Deployed both on-premises and in the cloud via containerized architecture, with multi-tenancy support.
  • Advanced Training and Support: Comprehensive onboarding training, access to resources such as user guides and knowledge bases, and ongoing technical support.

Selecting the right speech analytics solution is crucial for enhancing call center performance. Discover how SESTEK outperforms its competitors. Calculate the potential savings using our speech analytics cost savings calculator. Request a demo today.

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