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Speaker recognition

A Speech service feature that verifies and identifies speakers

Determine who is speaking

Accurately verify and identify speakers by their unique voice characteristics.

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Speaker verification

Use voice to verify speakers.

Speaker identification

Identify individual speakers within a group.

Built-in security

Secure your speech data with enterprise-grade security and compliance.

Enable frictionless, secure customer experiences

Improve the customer experience by streamlining verification processes. Use voice to verify individuals for secure, frictionless customer engagements in a wide range of solutions, from web applications to call centers. Speaker verification can use either passphrases or free-form voice input.

Unlock value from scenarios with multiple speakers

Determine a speaker’s identity from within a group of enrolled speakers. Speaker identification enables you to attribute speech to individual speakers, support multiuser voice recognition for personalized interactions, and more.

User enrollment, audio capture, speaker recognition and output

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Learn 5 key ways your organization can get started with AI to realize value quickly.

The report titled Fuel Application Innovation with Specialized Cloud AI Services from Forrester

Comprehensive privacy and security

  • The Speech service, part of Azure AI Services, is certified by SOC, FedRamp, PCI, HIPAA, HITECH, and ISO.

  • Backed by Azure infrastructure, the Speech service offers enterprise-grade security, availability, compliance, and manageability.

  • You control your data. Create, update, or remove enrollment data for individual speakers at any time.

Comprehensive security and compliance, built in

  • Microsoft invests more than USD$1 billion annually on cybersecurity research and development.

A user authorizing Microsoft Defender for DevOps and creating a GitHub connection in Azure
  • We employ more than 3,500 security experts who are dedicated to data security and privacy.

A user authorizing Microsoft Defender for DevOps and creating a GitHub connection in Azure
  • Azure has more certifications than any other cloud provider. View the comprehensive list.

  • Flexible pricing gives you the power and control you need

    Pay only for what you use, with no upfront costs. With Speaker Recognition, you pay as you go based on your number of transactions.

Get started with an Azure free account


Start free. Get USD$200 credit to use within 30 days. While you have your credit, get free amounts of many of our most popular services, plus free amounts of 55+ other services that are always free.


After your credit, move to pay as you go to keep building with the same free services. Pay only if you use more than your free monthly amounts.


After 12 months, you'll keep getting 55+ always-free services—and still pay only for what you use beyond your free monthly amounts.

Documentation and resources

Get started

Explore code samples

Check out our sample code

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