Concepedia

Raphael Ullmann

RU

Statistics

Publications

3

Citations

60

H-Index

3

Active since

2008

Affiliations

Ericsson (Sweden)(Current)

Raphael Ullmann is an author at Ericsson (Sweden) specializing in speech quality assessment, communication, and voice quality.

Publications per year

2008–2015

3

Publications

3

Modeling Call Quality for Time-Varying Transmission Characteristics Using Simulated Conversational Structures

Sebastian Möller, Alexander Raake, Jens Berger et al. · Acta acustica united with Acustica · 2009 · 31 citations

Social Sciences, Communication, Communication Research Methods +14

Estimation of &#x2018;quality per call&#x2019; in modelled telephone conversations

Jens Berger, A. Hellenbart, Raphael Ullmann et al. · Proceedings of the ... IEEE International Conference on Acoustics, Speech, and Signal Processing · 2008 · 19 citations

Language Studies, Communication, Hearing Assessment +12

Objective intelligibility assessment of text-to-speech systems through utterance verification

Raphael Ullmann, Ramya Rasipuram, Mathew Magimai.-Doss et al. · 2015 · 10 citations · Full text

Computing, Computer Science, Computational Linguistics +11

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