Advanced speech recognition
Use Speech to Text—part of the Speech service—to swiftly convert audio into text from a variety of sources. Customize models to overcome common speech recognition barriers, such as unique vocabularies, speaking styles, or background noise. Make audio more accessible by helping everyone follow and engage in conversations in real-time.
Breakthrough innovation
Benefit from leading-edge speech recognition accuracy powered by deep neural network models.
Real-time engagement
Transcribe audio to text in real time so that all participants in a conversation can fully engage.
Customized speech recognition
Tailor speech recognition to speaking styles and domain-specific terminology.
Flexible deployment
Run Speech to Text anywhere—in the cloud, on-premises or on the edge in containers.
Use breakthrough speech technology
Enhance your apps with speech capabilities powered by decades of breakthrough research. Microsoft was the first to reach human parity on the Switchboard conversational speech recognition task, and continues to drive cutting-edge research in speech recognition.
Learn more about advancements in speechTo try out the demo with your own voice using a microphone, please change to a different browser with WebRTC support, for example a recent version of Microsoft Edge, Firefox or Chrome.
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Optimize speech recognition with tailored models
Customize your speech recognition models to overcome common speech recognition barriers. Tailor your language models to adapt to users' speaking styles, accents, or unique vocabulary, like place names, products, and industry-specific expressions. Automatically generate custom models using your Office 365 data to optimize speech recognition accuracy for organization-specific terms.
Sample Sentences
Baseline
Custom Speech
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Gain insights from your conversations
Transcribe multi-user conversations in real time, allowing participants to focus on the discussion. Identify who said what, when, and quickly follow up on next steps. Optimize the experience for multi-microphone devices. Enable analytics on your transcribed text to extract further insights from your conversations.
Learn more about the Conversation Transcription capabilityDeploy anywhere, from the cloud to the edge
Run Speech to Text in the cloud or on premises with containers for scenarios where data security and low latency are paramount.
Learn more about Speech in containersSecurity for the enterprise
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Get the power, control, and customization you need with flexible pricing
Pay only for what you use, with no upfront costs. With Speech to Text, you pay as you go, based on hours of audio transcribed.
See Speech to Text pricingGet started with Speech to Text in three steps
Developer resources for Speech to Text
Documentation and tutorials
Get started with Speech to Text.
Use cases
Learn more about scenarios for Speech to Text, such as conversation and call center transcription.
Frequently asked questions about Speech to Text
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For a full list of languages supported by Speech to Text, see our documentation.
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Easily capture audio from a microphone, read from a stream, or access audio files from storage with the Speech SDK and REST APIs. The Speech SDK supports WAV/PCM 16-bit, 16 kHz/8 kHz, single-channel audio for speech recognition. Additional audio formats are supported using the speech-to-text REST endpoint or the batch transcription service.
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Check the regional availability.