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  1-st order high-pass filter 27 Jan 15

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  Leapic MP3 WMA Converter 1 Jan 15

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  EC Reverberator 27 Jan 15

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  HighLife 9 Dec 14

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  3-rd order Butterworth low-pass 27 Jan 15

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  Audition 2000 22 Jan 15

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  Discovery Pro 4 May 20

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  6-th order Butterworth low-pass 27 Jan 15