Dr.-Ing. Dmitry Zaykovskiy

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PhD Thesis

Topic

Optimising Client-Server Architectures for Spoken Language Dialogue Systems

Status

completed

Description

The subject of this thesis is centred around optimising spoken language dialogue systems (SLDSs) architectures. The study builds upon previous work in the areas of speech signal coding, information transmission, automatic speech recognition and spoken natural language understanding. It aims at improving both the performance of the speech processing components and the upstream data transmission channel. The topic is motivated by an increasing use of the SLDSs technology in all (especially mobile) situations of life and for increasingly resource-consuming speaker-independent and large-vocabulary applications. This implies that the main processing steps of SLDSs are shifted from the client-side (e.g. Personal Digital Assistants - PDAs and mobile phones) to a powerful server computer. However, such a paradigm shift requires investigating data pre-processing, transmission and speech processing techniques that are optimally and mutually tuned.

In order to achieve the goal of an optimum overall SLDSs architecture, an experimental set-up containing a simulated speech data transmission channel front-end and a speech processing back-end including components for stochastically-based speech recognition and spoken natural language understanding are established. The major task of the thesis work consists of adapting and optimising the individual component approaches of the set-up so as to obtain an optimum overall system performance in terms of high accuracy and low transmission costs.

The utility of the developed approaches is illustrated and evaluated with real user data on applications for information retrieval and transaction services. The thesis is carried out in cooperation with the Information Transmission Group of the ITUU Department.

Embedded Aigaion Query 2009

Z. Kayikci, D. Zaykovskiy, H. Markert, W. Minker and G. Palm
Distributed Architecture for Speech Controlled Systems Based on Associative Memories
Wiley-VCH, Weinheim (Germany), In: Mathematical Analysis of Evolution, Information, and Complexity, pp. 197-217, 2009
Link to Document
Bibtex

W. Minker, T. Heinroth, P. Strauss and D. Zaykovskiy
Interaction in intelligent environments
Elsevier, In: Human-Centric Interfaces for Ambient Intelligence, Chapter 18, 2009
Link to Document
Bibtex

A. Schmitt, D. Zaykovskiy and W. Minker
Speech Recognition for Mobile Devices
International Journal of Speech Technology, Vol. 11, Num. 2, pp. 63--72, 2009
Link to Document
DOI
Bibtex

2008

D. Zaykovskiy and A. Schmitt
Java vs. Symbian: A Comparison of Software-based DSR Implementations on Mobile Phones
4th IET International Conference on Intelligent Environments, Seattle (USA), July 2008
Link to Document
Bibtex

D. Zaykovskiy and A. Schmitt
Deploying DSR Technology on Today's Mobile Phones: A Feasibility Study
4th IEEE Tutorial and Research Workshop Perception and Interactive Technologies for Speech-Based Systems, Irsee (Germany), June 2008
Link to Document
Bibtex

2007

D. Zaykovskiy, A. Schmitt and M. Lutz
New Use of Mobile Phones: Towards Multimodal Information Access Systems
3rd IET International Conference on Intelligent Environments, Ulm (Germany), September 2007
Link to Document
Bibtex

D. Zaykovskiy and A. Schmitt
Java to Micro Edition Front-End for Distributed Speech Recognition Systems
The 2007 IEEE International Symposium on Ubiquitous Computing and Intelligence (UCI'07), Niagara Falls (Canada), May 2007
Link to Document
Bibtex

2006

W. Minker, A. Albalate, D. Bühler, A. Pittermann, J. Pittermann, P. Strauss and D. Zaykovskiy
Recent Trends in Spoken Language Dialogue Systems
ITI 4th International Conference on Information and Communications Technology (ICICT 2006), Cairo (Egypt), pp. 1-2, December 2006
Link to Document
Bibtex

D. Zaykovskiy
Survey of the Speech Recognition Techniques for Mobile Devices
11th International Conference on Speech and Computer (SPECOM), St. Petersburg (Russia), June 2006
Link to Document
Bibtex

2005

D. Zaykovskiy and B. Iser
Comparison of Neural Networks and Linear Mapping in an Application for Bandwidth Extension
10th International Conference on Speech and Computer (SPECOM), Patras (Greece), October 2005
Link to Document
Bibtex

Alumni

Dr.-Ing. Dmitry Zaykovskiy

Dmitry Zaykovskiy
Dr.-Ing. Dmitry Zaykovskiy
Graduation Date: 22.11.2013
First Employment: Debfa Bank, Germany