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The clipping problem is already fixed. Please download the latest version of Room EQ. By the way, the cliping was possible in old versions only with sinusoidal signals of maximum amplitude. Conventional music didn't cause the clipping issues.

The beta program is closed. Thanks to all participants.

Beta Testers Needed! Headphone EQ VST helps to detect and compensate for the unwanted resonances in high grade headphones and earphones. The beta version of the Headphone EQ VST can be downloaded from Headphone Correction

Try MathAudio Room EQ plug-in for Foobar2000. It's free. The plug-in applies a FIR-free technology which ensures the absence of pre-echo (pre-ringing) in the processed signal.

A “dead flat” frequency response is not always the best option. The optimum level of compensation may correspond to a higher position of the vertical slider. You can read a little more about it at http://mathaudio.com/room-eq.htm Sorry, I can’t answer all the questions It works like a WYSIWYG system: what you see is what you get. If you want to check the accuracy of the plug-in, you may want to use it to measure the frequency response of your sound card (use a short cable to connect Line In to Line Out). You should get a straight line. The L and R settings don’t do anything with the microphone. They just allow you to select your microphone input. If your microphone is connected to the left input of your sound card, select “L”.

A new free Room EQ plug-in for Foobar2000 can be downloaded from http://mathaudio.com Features: Corrects deficiencies of room acoustics (multipoint compensation). Corrects acoustic imperfections of speakers. Doesn't delay the sound and, consequently, doesn't add unnatural pre-echo to the sound. Avoids the pre-ringing problem of conventional time-delaying automatic equalizers. Quells resonance peaks of frequency response while leaving the deep notches to prevent large excursions of the speaker diaphragm. Avoids the muddy sound of conventional linearizing equalizers. Allows one to choose a small amount of the room correction if the room is already acoustically treated. Supports high sample rates. Applies 64-bit signal path throughout. Works with USB measurement microphones (e.g. MiniDSP UMIK-1) or standard measurement microphones (e.g. NADY CM100 or Dayton Audio EMM-6). Supports microphone calibration files. Applies a patented method of frequency response correction. Download: http://mathaudio.com/download.htm