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Discuss human binaural sound localisation and lateralisation and related binaural phenomena including binaural masking level differences. How are these phenomena dependant on the frequency composition of the auditory stimuli?

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Discuss human binaural sound localisation and lateralisation and related binaural phenomena including binaural masking level differences. How are these phenomena dependant on the frequency composition of the auditory stimuli? Sound localisation is the ability to identify the location from which a sound is emanating (Goldstine, 2002) which serves many important purposes such as determining which direction to avoid or where to look in order to identify the source. Lateralization refers to the 'apparent location of a sound source within the head' (Moore, 1989) which is normally manipulated by using headphones to control the effect of other cues such as interaural differences. Lateralization has been described as the laboratory version of localization because of the ease at which it can be investigated and manipulated to investigate participants' perception of distance and direction. Binaural sound localisation refers more specifically to the process of discriminating the origins of sound using information obtained by both...

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