4 papers · 1 filter
From QoS Distributions to QoE Distributions: a System's Perspective
Tobias Hossfeld, Poul E. Heegaard, Martin Varela +2
In the context of QoE management, network and service providers commonly rely on models that map system QoS conditions (e.g., system response time, paket loss, etc.) to estimated e…
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…
Cumulative Quality Modeling for HTTP Adaptive Streaming
Huyen T. T. Tran, Nam Pham Ngoc, Tobias Hoßfeld +2
Thanks to the abundance of Web platforms and broadband connections, HTTP Adaptive Streaming has become the de facto choice for multimedia delivery nowadays. However, the visual qua…
Towards Machine Learning-Based Optimal HAS
Christian Sieber, Korbinian Hagn, Christian Moldovan +2
Mobile video consumption is increasing and sophisticated video quality adaptation strategies are required to deal with mobile throughput fluctuations. These adaptation strategies h…