On 12/07/2015 12:18 AM, Steven Boardman wrote:
Just a little point here. I thought the amount of movement ones head can cover vertically is more than it can cover in any other plane. This is obviously not including moving the rest of the body at the same time. This being so, and generally having the ground for reflections, it allows us to work out any confusion. Especially coupled with a slight tilt. Surely hearing what is below is very important, probably more than above, and as such there must be an important mechanism to determine it.
the natural vertical motion is to tilt one's neck. this does not change the orientation of the ear spacing, only the angle of pinnae and the direction of the torso/shoulder reflections.
the discussion was about inter-channel time differences in vertically spaced speakers not resulting in inter-aural time difference cues at the ears, unless you bend your neck to the sides and then up/down. this is a very unnatural movement. i do use it from time to time to check for errors in complex loudspeaker systems, but it usually results in bystanders asking if i'm ok.
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