The human voice is a powerful tool. SRI’s speech and language technologies not only allow us to interact more naturally with computing applications—they also provide a wealth of actionable information about our intentions, health and emotional state.
WIlliam Mark
President, Information and Computing Sciences
Dimitra Vergyri
Director, Speech Technology and Research Laboratory (STAR)
Featured researchers
Our work
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Press release
Nuance Partners with SCIENTIA Puerto Rico
SRI spin-out Nuance Communications to expand access its Dragon Medical One for the island’s physicians and nurses
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Press release
Aaron Lawson talks about the STAR Lab at SRI
Aaron Lawson is Assistant Lab Director at SRI’s Speech Technology and Research (STAR) lab. STAR lab brings together a multidisciplinary mix of engineers, computer scientists and linguists. Together their experts build systems for a wide range of applications including signal processing; data indexing and mining; and computer-aided learning. Join us to learn about how STAR […]
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Press release
Faking videos is easy, deep nostalgia shows
Lifewire features SRI’s STAR Lab in a discussion around AI and techniques powering deepfakes
Core technologies and applications
SRI’s Speech Technology and Research (STAR) Laboratory brings together a multidisciplinary mix of engineers, computer scientists and linguists. Together our experts build systems for a wide range of applications including signal processing; data indexing and mining; and computer-aided learning.
Speech recognition
Noise robustness
Speech production and perception-based features
Keyword spotting
Prosodic modeling and disfluencies
Speech & audio analytics
Voice biometrics
Language/accent identification
Speaker and speaker-state characterization
Audio event detection
Speaker diarization
Machine translation
Speech-to-Speech translation
Cross-lingual information retrieval
Machine-mediated cross-lingual communication
Natural language understanding
Human-computer interaction
Dialog systems and virtual personal assistants (VPAs)
Error detection and recovery
Semantic and syntactic parsing
Information extraction
Multi-lingual information extraction
Topic and event identification
Summarization;
Question answering
Platforms
Open Language Interface for Voice Exploitation (OLIVE)
Novel speech processing technology leverages AI algorithms to enable speech activity detection in high levels of noise and distortion.
SenSay
Real-time speaker state platform estimates speaker state—such as emotion, sentiment, cognition, health, mental health and communication quality—in a range of end applications.
DynaSpeak® speech recognition engine
Small-footprint, high-accuracy engine incorporates patented techniques that increase recognition performance using speaker adaptation, microphone adaptation, end-of- speech detection, distributed speech recognition and noise robustness.
EduSpeak® speech recognition toolkit
Toolkit specifically designed for language-learning applications and other educational and training software. Works for both adult and child voices, it excels at recognizing native and non-native speakers.
SRI Language Modeling (SRILM)
Toolkit helps build and apply statistical language models for speech recognition, statistical tagging and segmentation, and machine translation. Can be downloaded and used free of charge.
Publications
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“I love to work here because SRI International is a place where you find people smarter and nicer than you. They keep me pushing in the right direction and challenging me every day, but with respect and kindness. What else can you ask for?”
Diego Castan-Lavilla
Advanced Computer Scientist, Information & Computer Science Division
