@inproceedings {Klockgether1680_2016,
	year = {2016},
	author = {Klockgether, Stefan and van de Par, Steven},
	title = {Perception of spatiousness in rooms in dependence of the strength of absorption at the side walls in real and simulated rooms},
	booktitle = {Proc. German Annual Conf. Acoust. (DAGA)},
	URL = {http://www.daga2016.de/fileadmin/uploads/2016.daga-tagung.de/Programm/DAGA16_Programm_online.pdf},
	abstract = {The Perception of spaciousness in rooms is depending on the reflections
of the sound at the walls. Especially the strength of the reflections
at the side walls are often assumed to be important for the perception
of source width and envelopment. This study shows the results of
a psychoacoustic experiment, where the perception of source width and
envelopment had to be rated by subjects. The stimuli were anechoic music
signals convolved with binaural room impulse responses (BRIR) and
were presented with headphones. The BRIRs were either recordings
of real rooms or simulated with a mirror image model. The simulation
of BRIRs allowed to alter the absorption coefficients of the side walls
separately from the other surfaces of the room. By systematically varying
the strength of the side reflections within the room, the dependency
of the perception of spaciousness on lateral fraction was investigated.
The resulting subjective ratings of the stimuli are compared to subjective
ratings of stimuli gained by direct manipulations of the interaural crosscorrelation
of BRIRs. In this way we can compare the influence of side
reflections on the perception of source width and envelopment to the
influence of interaural cross-correlation.}
}