Article August 1, 2010

The CALO meeting assistant system

The CALO Meeting Assistant (MA) provides for distributed meeting capture, annotation, automatic transcription and semantic analysis ofmultiparty meetings, and is part of the larger CALO personal assistant system. This paper...

Article July 1, 2010

EduSpeak®: A Speech Recognition and Pronunciation Scoring Toolkit for Computer-Aided Language Learning Applications

SRI International’s EduSpeak® system is a software development toolkit that enables developers of interactive language education software to use state-of-the-art speech recognition and pronunciation scoring technology. Automatic pronunciation scoring allows...

Conference Paper June 1, 2010

Improving language recognition with multilingual phone recognition and speaker adaptation transforms

We investigate a variety of methods for improving language recognition accuracy based on techniques in speech recognition, and in some cases borrowed from speaker recognition. First, we look at the...

Article March 1, 2010

Speaker Adaptation of Language and Prosodic Models for Automatic Dialog Act Segmentation of Speech

Conference Paper March 1, 2010

Acoustic front-end optimization for bird species recognition

The goal of this work was to explore the optimization of the feature extraction module (front-end) parameters to improve bird species recognition. We explored optimizing the spectral and temporal parameters...

Conference Paper March 1, 2010

A comparison of approaches for modeling prosodic features in speaker recognition

Prosodic information has been successfully used for speaker recognition for more than a decade. The best-performing prosodic system to date has been one based on features extracted over syllables obtained...

Conference Paper March 1, 2010

Comparing the contributions of context and prosody in text-independent dialog act recognition

Automatic segmentation and classification of dialog acts (DAs; e.g., statements versus questions) is important for spoken language understanding (SLU). While most systems have relied on word and word boundary information,...

Journal Article September 1, 2009

An anticorrelation kernel for subsystem training in multiple classifier systems

We present a method for training support vector machine (SVM)-based classification systems for combination with other classification systems designed for the same task. Ideally, a new system should be designed...

Conference Paper September 1, 2009

Feature-based and channel-based analyses of intrinsic variability in speaker verification

We explore how intrinsic variations (those associated with the speaker rather than the recording environment) affect textindependent speaker verification performance. In a previous paper we introduced the SRI-FRTIV corpus and...

Conference Paper September 1, 2009

Modeling other talkers for improved dialog act recognition in meetings

Automatic dialog act (DA) modeling has been shown to benefit meeting understanding, but current approaches to DA recognition tend to suffer from a common problem: they under-represent behaviors found at...

Conference Paper September 1, 2009

Does Session Variability Compensation in Speaker Recognition Model Intrinsic Variation Under Mismatched Conditions?

Conference Paper August 1, 2009

Genre Effects on Automatic Sentence Segmentation of Speech: a Comparison of Broadcast News and Broadcast Conversations

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