Four distinct multichannel playback rooms were compared in this study. In each room, we played three classical music pieces mixed for 22.2 and 2 channels, respectively, and generated corresponding binaural recordings. Fifteen trained listeners participated in a listening experiment where they compared four rooms on ?ve salient attributes: perceived width, perceived depth, spatial clarity, impression being enveloped, and spectral balance of the sound ?eld. A factor analysis shows that two factors accounted for about 70% of the total variance. The ?rst factor is associated with spatial dimension of a sound ?eld and the second factor with spectral and spatial integration (or blend) of sound components.
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