Power Reduction Opportunities on End-User Devices in Quality-Steady Video Streaming

no code implementations • 24 May 2023 • Christian Herglotz, Werner Robitza, Alexander Raake, Tobias Hossfeld, André Kaup

We find that based on the power consumption of the streaming sessions from the crowdsourcing dataset, devices could save more than 55% of power if all participants adhere to low-power settings.

From QoS Distributions to QoE Distributions: a System's Perspective

1 code implementation • 28 Mar 2020 • Tobias Hossfeld, Poul E. Heegaard, Martin Varela, Lea Skorin-Kapov, Markus Fiedler

On the other hand, drawing from the results of subjective user studies, we know that user diversity leads to distributions of user scores for any given test conditions (in this case referring to the QoS parameters of interest).

Multimedia Networking and Internet Architecture

Impact of the Number of Votes on the Reliability and Validity of Subjective Speech Quality Assessment in the Crowdsourcing Approach

1 code implementation • 25 Mar 2020 • Babak Naderi, Tobias Hossfeld, Matthias Hirth, Florian Metzger, Sebastian Möller, Rafael Zequeira Jiménez

The subjective quality of transmitted speech is traditionally assessed in a controlled laboratory environment according to ITU-T Rec.

Multimedia