Noise Reduction DIY >not gated< DIY? - diyAudio
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Old 21st June 2006, 11:31 AM   #1
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Question Noise Reduction DIY >not gated< DIY?

Hello everyone, i've been searching for ages for a noise reduction project. I can't seem to find any. I don't mean a noise gate, i have one of those. I'm looking for a project like an old DBX or dolby noise reduction schematic to get rid of hissing and other annoyances in realtime. The simpler the better, as i have never had anything to do with noise reduction before.

Thanks In Advance
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Old 21st June 2006, 08:04 PM   #2
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I have just found out that older more (DIYable) DBX & Dolby systems do not work in realtime. DBX have a new range of equalizers out with realtime noise reduction, but the circuit would probably be too complex to build. I came across "Hush" effects by "rocktron" (i think that's correct). if anyone could find an older model schematic that would be great.

Thanks
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Old 25th June 2006, 06:14 AM   #3
Optical is offline Optical  New Zealand
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Yeah the Rocktron Hush effect is awesome.

Ive been looking for a schematic for it for ages too but havent had any luck..
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Old 25th June 2006, 06:24 AM   #4
rpapps is offline rpapps  Antarctica
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Hi
This might do it for ya if you can track down the chip.
They're still available here in Aus.

http://www.national.com/pf/LM/LM1894.html

Cheers
Rob
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