Publications
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Thermal insulator transition induced by interface scattering
We develop an effective medium model of thermal conductivity that accounts for both percolation and interface scattering.
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What it takes to create linked learning: A report on lessons learned from evaluating the approach in practice
The evaluation has surfaced a set of strategies that promote successful implementation of Linked Learning by both school districts and individual pathways.
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Professional Development to Support Instructional Improvement: Lessons from Research
This paper acknowledges the issue of nonstrategic use of professional development resources and describes lessons from research on how professional development could be better designed to achieve desired impacts on…
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Electron beam pumping for high power deep-UV emitters
This presentation will discuss the challenges, illustrate the current status of materials/device development, and describe the necessary building blocks, which include highly conductive p-type cladding layers, sophisticated electron-blocking layers, and…
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Polymer Spray Deposition: A Novel Aerosol-Based, Electrostatic Digital Deposition System for Additive Manufacturing
In order to create a feedstock aerosol for electrostatic deposition, PARC has developed the filament extension atomizer (FEA) which is capable of producing monodisperse small droplets from thermoplastics.
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The 2016 Speakers in the Wild Speaker Recognition Evaluation
This article provides details of the SITW speaker recognition challenge and analysis of evaluation results. We provide an analysis of some of the top performing systems submitted during the evaluation and…
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The SRI CLEO Speaker-State Corpus
We introduce the SRI CLEO (Conversational Language about Everyday Objects) Speaker-State Corpus of speech, video, and biosignals.
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Unsupervised Learning of Acoustic Units Using Autoencoders and Kohonen Nets
This work investigates learning acoustic units in an unsupervised manner from real-world speech data by using a cascade of an autoencoder and a Kohonen net.
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On the Issue of Calibration in DNN-Based Speaker Recognition Systems
This article is concerned with the issue of calibration in the context of Deep Neural Network (DNN) based approaches to speaker recognition. We propose a hybrid alignment framework, which stems…
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Fusion Strategies for Robust Speech Recognition and Keyword Spotting for Channel- and Noise-Degraded Speech
Current state-of-the-art automatic speech recognition systems are sensitive to changing acoustic conditions, which can cause significant performance degradation.
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Intelligent Coaching Systems in Higher-Order Applications: Lessons from Automated Content Creation Bottlenecks
This presentation describes two projects for interactive training that developed prototypes for automated content creation plus a third project that illustrates a suite of learning object libraries to support engineering…
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The SRI speech-based collaborative learning corpus
We introduce the SRI speech-based collaborative learning corpus, a novel collection designed for the investigation and measurement of how students collaborate together in small groups.