Ernst Rothauser

Ernst Rothauser (7 July 1931 – 4 August 2015)[1][2] was an Austrian computer scientist. As member of Heinz Zemanek's "Mailüfterl-Team", he worked on the country's first transistor computer. After finishing his dissertation he was hired by IBM Zurich Research Laboratory, retiring in 1995.[3][4]

Ernst Rothauser
Ernst Rothauser in 2014
Born(1931-07-07)7 July 1931
Vienna, Austria
Died4 August 2015(2015-08-04) (aged 84)
Reichenburg, Swiss
Known forVocoder
Scientific career
FieldsComputer Scientist
InstitutionsVienna University of Technology, IBM Zurich Research Laboratory

Career
Team Mailüfterl

Rothauser worked on the Mailüfterl with Zemanek and a team of students.[5] In 1960, he finished his dissertation about the Vocoder at TU Wien.[6] It was first used in the Siemens studio for electronic music, before being used in popular music in the 1970s.

Rothauser owned several patents patented by the IBM Research Laboratory Zurich, including one for a network switches.[7]

Work

Projects
  • Crossing from HOST-Services to Client-Server-Architecture (1990–1995) for the IBM-Laboratories Zurich/Rüschlikon – "" [8]

Patents
  • Arrangement for the alteration of the fundamental tone, speech rate and tone of voice signals analyzed by the vocoder principle 1965 [9]
  • US-Patent "Device for excitation controlled smoothing of the spectrum-channel signals of a vocoder, 1969, US 3431355 A [10]
  • "Method and apparatus for controlling access to a communication network",[11]
  • "Flow control mechanism for block switching nodes",Philippe A. Janson, Hans R. Muller, Ernst H. Rothauser,
  • "Data Retrieval System for replying to inquiries in synthesized vocal sound", Ernst Rothauser, Weil I. Schonbuch, Helmut Lamparter, Kurt Bergmann, Guenter Knauft, Wilhelm Spruth,
  • Method and arrangement for message transmission using the vocoder principle, DE1215209 B [12]

Publications
  • "Pulse method to transmit speech using the vocoder principle". Dissertation at TU Wien, 1960
  • "The integrated vocoder and its application in computer systems", 1966 IBM Journal of Research and Development [13]
  • "IEEE Standard Method for Measurement of Weighted Peak Flutter of Sound Recording and Reproducing Equipment", 1972, ISSN 0018-9278
  • "IEEE An Effective Scheduling Algorithm for Parallel. Transaction Processing Systems", ISBN 0-7803-3725-5
  • "IEEE Recommended Practice for Speech Quality Measurements", Rothauser, 2003, ISSN 0018-9278
  • "History-Based Batch Job Scheduling on Workstation Clusters", Rothauser, Wespi, 1997
  • "Simulated Vocoder Analysis", Ernst Rothauser, Dietrich Maiwald, 1968 Acoustical Society of America
  • "History-Based Batch Job Scheduling on Workstation Clusters", Andreas Wespi, Ernst Rothauser [14]

References
  1. "Death notice Dr. Ernst Rothauser". Archived from the original on 2015-09-28. Retrieved 2015-09-28.
  2. "Todesanzeigenportal.ch". www.todesanzeigenportal.ch.
  3. "OCG-Journal 2015" (PDF).
  4. O. Univ.-Prof. Dr. Heinz Zemanek: 60 Jahre Vorlesungen an der TU Wien Archived 2016-03-05 at the Wayback Machine. Retrieved 28 September 2015.
  5. computingheritage (1 October 2013). "Mailüfterl: an Austrian star of European computing" – via YouTube.
  6. Verbundkatalog: A pulse method for voice transmission according to the vocoder principle. Dissertation 1960.
  7. "Flow control mechanism for block switching nodes".
  8. "Efficient Structures for distributed ComputingIBM Project Report – 1990-1995" (PDF). Archived from the original (PDF) on 2016-03-05. Retrieved 2015-09-28.
  9. "Anordnung zur Veraenderung des Grundtones, der Sprechgeschwindigkeit und der Klangfarbe von nach dem Vocoderprinzip analysierten Sprachsignalen Arrangement for the alteration of the fundamental tone, speech rate and tone of voice signals analyzed by the Vocoderprinzip".
  10. "Device for excitation controlled smoothing of the spectrum-channel signals of a vocoder".
  11. "Method and apparatus for controlling access to a communication network – Patent # 4583088 – PatentGenius". www.patentgenius.com. Archived from the original on 2018-01-04. Retrieved 2010-11-11.
  12. "Verfahren und Anordnung zur Nachrichtenuebertragung nach dem Vocoderprinzip".
  13. Rothauser, E. H. (1 November 1966). "The Integrated Vocoder and Its Application in Computer Systems". IBM J. Res. Dev. 10 (6): 455–461. doi:10.1147/rd.106.0455.
  14. "dblp: Ernst H. Rothauser". dblp.uni-trier.de.
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