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Multi-Way Conventional loudspeakers with crossovers

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Old 30th November 2012, 09:32 AM   #141
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Thanks. It also works the other way around. Small panels can be used to redirect reflections.

By the way, I would also do band limited ETCs.
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Old 30th November 2012, 09:55 AM   #142
Rudolf is offline Rudolf  Germany
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Quote:
Originally Posted by markus76 View Post
Thanks. It also works the other way around. Small panels can be used to redirect reflections.
Of course. Or some diffraction devices. There are many ways to skin ...
Quote:
By the way, I would also do band limited ETCs.
I prefer Elias' wavelets now. Give me all the bands at the same time.

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Old 24th January 2013, 02:24 PM   #143
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Default phantom image with loudspeaker array

Hello everybody,
I am a newbie, I hope I am addressing the correct post.

I have a loudspeaker array of 4 small speakers (each one as big as a Rubik's cube), linearly equally spaced by 2 cm (0.8 inches). I would like to play a sound source (pink noise) from the first to the last speakers, to give the illusion of a moving sound source.

One trivial solution would be, for right-to-left movement:
0 0 0 1 at time t
0 0 1 0 at time t+n
0 1 0 0 at time t+2n
1 0 0 0 at time t+3n

But this obviously gives me the impression of sound "jumping" from one speaker to the following.

Another solution would be updating the intensities twice more frequently:

0 0 0 1
0 0 0.5 0,5
0 0 1 0
0 0.5 0.5 0
0 1 0 0
0.5 0.5 0 0
1 0 0 0

but I am not sure it is the correct way.

The question is: which sound intensity should I set the speakers so that the sound is "smootlhy" perceived as moving?
I guess this is related to how to create a phantom image.
Please help!

Thanks a lot!
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Old 25th January 2013, 07:08 AM   #144
DeonC is offline DeonC  South Africa
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Coming in from the left field (as usual), has anyone here mentioned the Shahinian speakers as an alternative design idea? See pics below.

Enjoy,
Deon

Click the image to open in full size.

Click the image to open in full size.
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