Speech Dialog Design. We analyzed and developed models and procedures for speech dialogs for the BMW navigation system. The main focus was upon the use of natural speech and the adaptation to specific situations [D97.14, D99.16].
ADVIA. The goal of the ADVIA project is to investigate the prerequisites of an intuitive, adaptive human-machine dialog in automobiles. The project is described in detail in section 4.1.2.
Active Resonator. In co-operation with BMW AG we developed and realized an active resonator in order to reduce low frequency noise in luxury cars [94spa]. Applying the active resonator, the sound quality of the interior noise of luxury cars can be improved [00fas8]. In addition, after long hours of driving, even in high quality cars, a feeling of "dizziness" can occur, which is substantially reduced if low frequencies are removed from the spectrum.
HPC-VAO. Within the scope of the EU-project "High Performance Computational Environment for Vibro-Acoustic Optimization" a simulation tool was developed, which allows the fast optimization of the vibro-acoustic properties of cars (see section 4.6.1). For that purpose new optimization methods were developed that drastically reduce the computation time of changes to existing models [P-L14, P-L16, 98wit1, 98mas1].
Exterior Noise Optimization. A new transfer path technique for the analysis and optimization of vehicle exterior noise characteristics is developed in co-operation with BMW AG. Please read section 4.6.2 for a detailed description.
Speech Recognition. In co-operation with Siemens ZT, application-specific methods for in-service adaptation of Hidden-Markov Models in automatic speech recognition systems were developed [P-L10, 97bub1, 98bub1]. In another co-operation, a statistically modelled multi-lingual phoneme inventory for speech recognition systems was created [P-L9, 98koe1, 00koe1].
Traffic Flow Control. Models for traffic flow were investigated in co-operation with Siemens AG. Nonlinear, discrete controllers were designed to reduce inhomogenities in traffic flow models [P-L7, P-L8, 97len1-4, 97wag1-2, 98wag1].
The above mentioned companies co-operate with the Institute for Human-Machine Communication in the FERMUS project, which deals with the investigation of error-robust, multimodal speech dialogs. Please read section 4.1.4 for a detailed description of the goals of this joint project.
In co-operation with FAU Erlangen, we carried out a study for DaimlerChrysler about the role of emotions in human-machine interaction. Please read section 4.4 for further information about this topic.
In co-operation with Deutsche Bahn AG, the effects of noise reduction for freight trains, e.g. by noise barriers were studied. For practical purposes, two modes have to be distinguished, namely "to listen" or "to hear". As expected, difference limens in the mode "to hear" are substantially larger than in the mode "to listen" [97jae].
In co-operation with GSF medis, we worked on a new, user-friendly man-machine interface for a system for the visualization and analysis of medical 3D image data [D98.12, P-L11, 97kra, 97kra2, 98kra1, 98mue2, 99kra1, 99kra2].
In co-operation with the Institute for Broadcasting Research (IRT), it could be demonstrated that the conventional definition of directivity patterns of electroacoustical transducers needs further clarification. Encouraging results are obtained, when the directivity pattern is divided in a vertical and a horizontal part [97wol].
In the SOMMIA-project, we develop and evaluate a concept for a speech-based man-machine interface (MMI) for several facilities in an automobile. Since a large variety of functions is comprised, the MMI has to be both efficient and intuitive to handle.
In co-operation with Müller-BBM, active noise control in ducts was studied both theoretically and experimentally. With a Swinbanks array, tonal components of noises propagating in ducts can be reduced substantially [97sch1].
In co-operation with MVP München, the noise produced by the German Magnetic Levitation Train (TRANSRAPID) was studied in psychoacoustic experiments. With respect to loudness, approximately the same noise immission is obtained for a TRANSRAPID at 400 km/h in comparison to an ICE with 250 km/h. However, if the TRANSRAPID runs also at 250 km/h, the advantage of the Magnetic Levitation System with respect to noise immission is about 15 dB(A). Therefore, as concerns noise immissions, the TRANSRAPID would be well suited to connect an airport with the center of a city [97got].
Sponsored by the Deutsche Forschungsgemeinschaft (DFG) from 1983-1997, three long-term projects within this research center were carried out at the institute. These projects dealt mainly with hearing sensations as a basis of acoustic information transfer, and complex perceptual processes on speech and music. The results of this proliferous research center were published in innumerable papers and are summarized in a substantial final report [00man1].
Verbmobil is a speaker-independent and bi-directional spech-to-speech translation system for spontaneous dialogs in mobile applications, and was running from 1993-2000. This multilingual system is able to handle German, English and Japanese spoken utterances. In this project 33 research groups were working together. The speech processing group of the Institute for Human-Machine Communication especially developed methods for robust speech recognition, for adaptation to new speakers and for tolerating various speaking styles [00hai1].
This graduate school funded by the DFG aims at the improvement of the interaction between man and machine in complex information systems. This goal is approached conjointly with an interdisciplinary team of scientists from the Ludwig-Maximilians-Universität and the Technische Universität München. More information is available at http://www.phonetik.uni-muenchen.de/GradKoll/
The group "Technical Acoustics" (Professor H. Fastl) of the Institute for Human-Machine Communication is part of the Graduate School "Interaction of Sensory Systems", sponsored by the Deutsche Forschungsgemeinschaft (DFG). In particular, interactions of acoustic and visual as well as acoustic and somato-sensory inputs are studied. Visit http://www.nefo.med.uni-muenchen.de/kolleg/ for more information.
Within the Research Group "Auditory Objects" sponsored by the Deutsche Forschungsgemeinschaft (DFG), project 6 (Fastl) studies questions of basic psychoacoustics. In particular, new evidence about the Zwicker-Tone is compiled and implemented in psychoacoustic models [00fas11]. In addition, in co-operation with colleagues from project 7 (van Hemmen), neurophysiologically based models of the Zwicker-Tone are put forward (Fastl, Patsouras, Franosch, van Hemmen NL). Please visit http://www.hoerobjekte.vo.tu-muenchen.de/ for more information.
In an extended co-operation with the ENT Department of the Klinikum Großhadern, centered on the loudness perception of patients with different audiological diseases, new methods were developed which improve the understanding of loudness deficits in patients with different pathologies [97bau, 98got1].
In co-operation with the lab of Roy Patterson at the University of Cambridge, UK, pitch strength of regular interval noise (RIN) was studied. Results described by a neuro-physiologically based model draw heavily on the autocorrelation function [99hir1, 99wie1].
The long standing, very effective co-operation with Professor Namba and Professor Kuwano of Osaka University, Japan was continued and extended. Topics of common interest are in particular evaluation of noise immissions, sound quality rating, and cultural differences in the interpretation of warning signals [99kuw1, 99kuw2].
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