COMMENT ⊗   VALID 00002 PAGES 
RECORD PAGE   DESCRIPTION
 00001 00001
 00002 00002	.GROUP SKIP 2
 00004 ENDMK
⊗;
.GROUP SKIP 2
.SELECT 5
perceptual scaling and testing
.SELECT 1
.BEGIN FILL ADJUST
We  are   planning  to  enlist   psychological  techniques   for  the
determination  of the  relative weightings  of  the various  cues for
localization and the perception of  the motion of sound sources.   We
hope to obtain  more detailed knowledge of the  subjective scaling of
several  cues.  The optimal amount of  Doppler shift needed to create
specific  images  in   particular  contexts  will  be   studied.  The
perceptual  scale which describes  the relationship  between apparent
distance of the source and the ratio of direct-to-reverberant  signal
will be  determined.   Interactions  of the  particular azimuth,  the
absolute amount and  time of reverberation, and other variables, with
this   scale,   for   distance   vs.   ratio,   will   be   examined.
Multidimensional scaling techniques, described  in Appendix B, may be
of use in this regard - the spatial model for perceived relationships
seems especially applicable.
.END