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  3-rd order Butterworth low-pass 27 Jan 15

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  Flying Echo 27 Jan 15

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  EC Reverberator 27 Jan 15

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  Focus MP3 Recorder Pro 25 Jan 15

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  Karaoke CD+G Creator 22 Jan 15

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  L/H-pass Filter 27 Jan 15

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  Stereo Tool (Winamp plugin) 24 Sep 15

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  EC Equalizer 27 Jan 15