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Old 11th July 2009, 06:02 PM   #1
mart34 is offline mart34  England
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Default CD With dodgy low frequencies ...

Hello there, I have a problem with one of my CDs, it has a lot of low frequency noise, my speakers look as if they are going mad ... !!! ... and obviously i dont want to fry the voice coils in my speakers


Is there any software online that can help me with this ... ???

Many thanks and regards, Mart

PS Im very sorry if this has been put in the wrong section of this forum
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Old 11th July 2009, 06:22 PM   #2
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Hi,

Sometimes it can be as easy as a truck or something heavy going by when the master was made and you're seeing rumble. Yes you can get it out by filtering but if it only one cd, that might not be the way. What cd is it? Maybe others who own it also notice that problem.

Nice looking set up BTW.
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Old 11th July 2009, 06:30 PM   #3
mart34 is offline mart34  England
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Thanks Cal, how do I filter it ... ? ... What software ... ?

Its not a one off rumble, i.e. from a low rumbling sound from a plane/truck etc. ...

this is a constant very low frequency noise (possibly in the region of 1 - 5/10 hz)

It is only this particular cd
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Old 11th July 2009, 08:05 PM   #4
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If it's just the one cd then IMO just live with it or maybe see here:

Amplifier + Rumble Filters

which leads to here:

http://sound.westhost.com/project99.htm

Here's a premade:

http://shop.audiointelligent.com/pro...2?productId=50
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Old 11th July 2009, 09:26 PM   #5
KSTR is offline KSTR  Germany
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Rip CD --> Audacity, use "high pass filter" at 15 Hz or so --> test it, if ok burn CD

- Klaus
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Old 12th July 2009, 04:01 AM   #6
mart34 is offline mart34  England
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Thanks for the feedback gentlemen, will be looking into all these options

Cheers, Mart
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