Chapter 5
Binaural Audio Through Loudspeakers
Introduction
Background and Motivation
The ultimate goal of binaural audio with loudspeakers (BAL), also known as transauralization (Cooper & Bauck, 1989), is to reproduce, at each of the listener’s eardrums, the sound pressure signals recorded on only the ipsilateral channel of a stereo signal. If the stereo signal1 was encoded with the head-related transfer function (HRTF) of the listener, and includes the proper ITD (interaural time difference) and ILD (interaural level difference) cues, then delivering the signal on each channel of the stereo recording to the ipsilateral ear, and only to that ear, would ideally guarantee that the listener’s ear-brain system receives the cues it ...
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