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noise spill reduction
PostPosted: Tue Sep 14, 2010 10:09 am Reply with quote
esonic
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Joined: 28 Jun 2005
Posts: 9
Location: Netherlands




I have been working on a race track, and have noise spill from the speakers to the surrounding.

i use EASE to model to an industrial noise software package, for legal reasons.

when i close the model, and use probe the results are the same.

In order to have some reduction in the spill , i want to use a dipole set-up en flip the polarity of one speaker on cluster of two.

how can this be done, it would save some time, as to make a test-setup and measure... The site has over 50 speakers...

[i]I had a closer look on control of low frequencies from a reply of jim mobley on july 2009, but i need a clue on the flipped polarity...[/i]
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PostPosted: Tue Sep 14, 2010 12:05 pm Reply with quote
Tim
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Joined: 11 Feb 2008
Posts: 61
Location: Canberra ACT, Australia




Hello esonic!

Try looking within the Loudspeaker Properties options. Under the 'Phase' tab, there is a box marked 'Invert Polarity'.
Is this what you are after?

Regards

_________________
Tim Kuschel
GUZ BOX design + audio
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PostPosted: Thu Sep 16, 2010 11:14 am Reply with quote
esonic
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Joined: 28 Jun 2005
Posts: 9
Location: Netherlands




good point tim, i.m running again, like the horse track.

the noise is down.

regards jurjen
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