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Large vocabulary continuous speech recognition systems show a signicant decrease in performance if a users pronunciation diers largely from those observed during system training. This can be considered as the main reason why most commercially available systems recommend | if not enforce | the individual end user to read an enrollment script for the speaker(More)
Repetitive Stress Injury (RSI), a disorder that curtails repetitive movements such as typing and poses a potentially career-ending problem for people who write for a living, motivated our development of the StoryWriter editor. This editor accepts speech and keyboard input for text creation and six types of input for application control functions (speech,(More)
This paper describes the current status of the IBM Train-able Speech Synthesis System. The system is a state-of-the-art, trainable, unit-selection based concatenative speech synthesiser. The system uses hidden Markov models (HMMs) to provide a phonetic transcription and HMM state alignment of a database of single-speaker continuous-speech training data. The(More)
In this paper, we review the design of a common phone alphabet for up to fifteen languages and describe its application in two important components of a seamless multilingual conversational system, namely speech recognition and synthesis. We report on experiments that demonstrate the advantages of multilingual acoustic models both for the recognition of(More)
Multilingual access to information and services is a key requirement in any pervasive or ubiquitous computing environment. In this paper we review the design of a common alphabet for up to fifteen languages and describe its application to multilingual speech recognition in low-resource devices in real-time. We give an overview of the special requirements(More)
We use photoinduced absorption (PIA) spectroscopy to investigate pathways for photocurrent generation in hybrid organic/inorganic quantum dot bulk heterojunction solar cells. We study blends of the conjugated polymer poly(2,3-bis(2-(hexyldecyl)quinoxaline-5,8-diyl-alt-N-(2-hexyldecyl)dithieno[3,2-b:2',3'-d]pyrrole) (PDTPQx-HD) with PbS quantum dots and find(More)