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Old 5th October 2004, 03:27 PM   #1
4real is offline 4real  Netherlands
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Question Active filter test software

I'm looking for an application to test an active filters with the soundcard and standard stereo or multichannel amp.

One channel for each speaker, so a stereo card should be fine for a 2-way filter. Every channel should be configurabe with the digital equivalent of the analog active filter.

I want to use this to test an active filter, before actualy building it Should be possible, but I cannot find any software that does it.

lspCAD comes close, but you need to tweak it a lot to use it for my purpose

So any contibution is welcome, and of cource, if possible it schould be free, of freely testable
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Old 5th October 2004, 05:57 PM   #2
joensd is offline joensd  Germany
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If you happen to have a Soundblaster card with either 10k1 or 10k2 chipset (certain audigys ,live etc.) then THIS will be perfect for you needs.
You can setup any filter you like and send it to any output of the card you like. Very nice alternative to Creative´s drivers.
I still haven´t tried the drivers but do a search in the forums and you´ll find quite a bit of information.

AsioXO is another alternative and if you´re a Linux user there´s even more software that´d do the trick.
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Old 5th October 2004, 06:00 PM   #3
4real is offline 4real  Netherlands
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To bad, no SB...

But I like the linux bit Could you give me an application that will do what I want? Would be great

Found some stuff here: http://linux-sound.org/dsp.html
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Old 5th October 2004, 07:41 PM   #4
joensd is offline joensd  Germany
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Digital active XO+eq using a PC+soundcards+BruteFIR?
http://www.ludd.luth.se/~torger/brutefir.html

http://www.diyaudio.com/forums/searc...der=descending

Hope that´s enough to read.
Cheers
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Old 5th October 2004, 07:43 PM   #5
4real is offline 4real  Netherlands
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Yep, already tried some stuff But no succes yet (have little time at the moment).

But i'll keep you posted
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