278 citations · 481 across the 19 of their papers we have counts for
7 papers · 1 filter
Effect of Language Proficiency on Subjective Evaluation of Noise Suppression Algorithms
Babak Naderi, Gabriel Mittag, Rafael Zequeira Jim\a'enez +1
Speech communication systems based on Voice-over-IP technology are frequently used by native as well as non-native speakers of a target language, e.g. in international phone calls…
Subjective Evaluation of Noise Suppression Algorithms in Crowdsourcing
Babak Naderi, Ross Cutler
The quality of the speech communication systems, which include noise suppression algorithms, are typically evaluated in laboratory experiments according to the ITU-T Rec. P.835, in…
QUALINET White Paper on Definitions of Immersive Media Experience (IMEx)
Andrew Perkis, Christian Timmerer, Sabina Baraković +41
With the coming of age of virtual/augmented reality and interactive media, numerous definitions, frameworks, and models of immersion have emerged across different fields ranging fr…
An Open source Implementation of ITU-T Recommendation P.808 with Validation
Babak Naderi, Ross Cutler
The ITU-T Recommendation P.808 provides a crowdsourcing approach for conducting a subjective assessment of speech quality using the Absolute Category Rating (ACR) method. We provid…
Transformation of Mean Opinion Scores to Avoid Misleading of Ranked based Statistical Techniques
Babak Naderi, Sebastian Möller
The rank correlation coefficients and the ranked-based statistical tests (as a subset of non-parametric techniques) might be misleading when they are applied to subjectively collec…
Application of Just-Noticeable Difference in Quality as Environment Suitability Test for Crowdsourcing Speech Quality Assessment Task
Babak Naderi, Sebastian Möller
Crowdsourcing micro-task platforms facilitate subjective media quality assessment by providing access to a highly scale-able, geographically distributed and demographically diverse…
Impact of the Number of Votes on the Reliability and Validity of Subjective Speech Quality Assessment in the Crowdsourcing Approach
Babak Naderi, Tobias Hossfeld, Matthias Hirth +3
The subjective quality of transmitted speech is traditionally assessed in a controlled laboratory environment according to ITU-T Rec. P.800. In turn, with crowdsourcing, crowdworke…