Dr Ladan Baghai-Ravary

Aculab PLC

Dr. Ladan Baghai-Ravary is an expert on speech technology. She has worked both in industry and in academia since the 1990''s, including, most recently, 7 years at the University of Oxford. She has authored many publications, including a book on the use of voice and speech analysis over the telephone, and numerous papers in academic journals and conferences. She has worked on a number of speech and biometric related projects, including “Mining a Year of Speech” which analysed the largest corpus of speech recorded “in the wild”, the British National Corpus.
She is currently the Advanced Speech Processing Team Leader at Aculab PLC, where she is working on various projects centred on biometric applications of speech technology, including Speaker Verification, Speech Recognition and Telehealth Speech analysis. She also organised the collection and analysis of a large multi-national database of telephone speech from 25,000 speakers, for research into voice characteristics.

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VoiSentry: Flexible, Scalable, Speaker Verification with Integrated Multi-Factor Authentication.

VoiSentry is Aculab''s new Speaker Verification system featuring an integrated multi-factor authentication capability. We show how this can increase security and mitigate against spoofing. Its flexible architecture can be exploited to build a complete authentication solution, which is able to cope with even narrowband telephone speech. VoiSentry also employs a scalable, multi-tenant system framework, allowing resources to be shared between clients, while keeping the data private.