On the impact of speech intelligibility on speech quality in the context of voice over IP telephony. - Falk Ralph Schiffner; Janto Skowronek; Alexander Raake (QoMEX, 2014)

Defining the relevant perceptual quality space for video and video-telephony. - Falk Ralph Schiffner; Sebastian Möller 001 (QoMEX, 2017)

Towards degradation decomposition for voice communication system assessment. - Friedemann Köster; Falk Ralph Schiffner; Sebastian Möller 001; Ludovic Malfait (Qual. User Exp., 2017)

Investigation of Video Quality Dimensions for Different Type of Video Content. - Falk Ralph Schiffner; Vladimir Bondarenko; Sebastian Möller 001 (ISM, 2018)

Direct Scaling & Quality Prediction for perceptual Video Quality Dimensions. - Falk Ralph Schiffner; Sebastian Möller 001 (QoMEX, 2018)

Dimension-Based Quality Analysis and Prediction for Videotelephony - Falk Ralph Schiffner (Springer, 2021)