| Virtual acoustic displays for teleconferencing: intelligibility advantage for  (1999) Speech intelligibility was evaluated using a virtual acoustic (3-D audio) display using the method specified by ANSI (S3.2-1989). Ten subjects were evaluated with stimuli either unfiltered or low-pass filtered at 4-kHz. Results show that virtual acoustic techniques are advantageous for both full-bandwidth (44.1 kHz sampling rate) and low-bandwidth (8-kHz sampling rate) “telephone-grade” teleconferencing systems. acoustic, displays, teleconferencing, telephone-grade, virtual	Speech intel Journal of the Audio Engineering Society, 47, 824-828. |