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Old 6th January 2015, 11:37 AM   #1
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Default 3-axis speaker?

Is there such a thing as a speaker sphere which orients itself in three dimensions with the use of three axis driver voice coils?

For example, back to front from listener on the X, side to side on Y, up and down on Z-axis?

This would require three drivers with I presume rigid wires poking out all terminating at a single source inside of a rigid metal or paper sphere which can act as a diaphram.

We think of sound as a wave which hits a microphone diaphram. but what if we are in-effect creating a flat surface for a three dimensional soundwave (including the soundwaves reflections off of objects in the recording room) which when striking the traditional microphone sees those reflections as noise/distortion and paints them in the audio signal as a flat dimensionless wave (which leaves the loudspeaker as such), when the real case is that that wave is arriving at a different angle?

For example, a microphone and a loudspeaker, an audio chain.

A soundwave enters the microphone at 0-deg, and is reproduced faithfully at the other end.

But what about a 45 degree soundwave? That doesn't leave the loudspeaker at 45 degrees, it leaves it at 0-deg, on-axis in relation to the loudspeaker cone.

And what happens when both of these sounds are on the same frequency and are occuring at the same time?

So in effect if both are cancelling out a part of either parts of the signal, you get lost information.

Is this the lost information that we are missing in audio reproduction?

Is it possible that our brains see audio in three dimensions? Despite having a single ear drum for each side of our heads.. If so then why are we using a sound system which ignores this information?
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Last edited by freax; 6th January 2015 at 11:46 AM.
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Old 7th January 2015, 01:53 AM   #2
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Voice coils are so 1915!
Move ahead a decade and make an ESL as a physical partial sphere, or fake it with rings like Quad 'ESL63' or TWEESL 2020.
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