[IEEE 2009 International Workshop on Quality of Multimedia Experience (QoMEx 2009) - San Diego, CA, USA (2009.07.29-2009.07.31)] 2009 International Workshop on Quality of Multimedia Experience - E-model supported switching between narrowband and wideband speech qualityLewcio, Blazej; Waltermann, Marcel; Moller, Sebastian; Vidales, Pablo · 2009