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User Interface Service Software Developerís Guide - Hitech Projects

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January 2008<br />

Public<br />

1 Speech based <strong>Interface</strong><br />

1.1 Component Overview<br />

The overall functional architecture of the Speech based interface has been described in<br />

deliverable D4.1 and D4.2. The Voice interface service consists of the following main<br />

components: Explicit Speech Interaction service, Speaker Recognition <strong>Service</strong> and Implicit<br />

Speech Input <strong>Service</strong>.<br />

The introduced main components and their subcomponents are further treated in this<br />

document.<br />

1.1.1 Voice <strong>Service</strong><br />

1.1.1.1 Speaker Recognition Component<br />

Provider<br />

SingularLogic S.A.<br />

Introduction<br />

Speaker recognition component provides two basic functionalities: enrollment of new users<br />

and recognition of enrolled users.<br />

- Enrollment happens when a new user joins the system – a person speaks and the<br />

application builds a voiceprint model for that person.<br />

- Recognition happens in the future whenever the application wants to ensure the identity of a<br />

speaker – the user speaks and the speech is compared to existing voiceprint models. If the<br />

comparison scores above a predefined threshold, the identity is validated; otherwise the<br />

identity claim is rejected.<br />

Speaker recognition component includes: speaker recognition engine and speaker recognition<br />

server.<br />

Development status<br />

Speaker recognition engine software is available as WIN32 dynamic linked library (DLL).<br />

Speaker recognition server is deployed as an autonomous executable in .NET framework.<br />

Final versions available at INRIA Gforge repository.<br />

Intended audience<br />

Project partners<br />

License<br />

Speaker recognition engine:<br />

SingularLogic S.A. owns the IPR for speaker recognition engine software. Licensing<br />

negotiable with separate agreement.<br />

Amigo IST-2004-004182 6/114

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