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August 19th, 2005, 10:32 AM | #1 |
Trustee
Join Date: Aug 2003
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Software program to EQ your speakers so they're flat?
Ran across where someone used a software program
and a flat omni mic to get their speakers flat, or near as they could be. Anyone tried doing this? The instructions said to hold the mic out about 3 feet from your speakers and you could see on the frequency response analyzer how to adjust the treble and base to make your speakers more neutral. |
August 19th, 2005, 01:03 PM | #2 |
Wrangler
Join Date: Dec 2002
Location: Mays Landing, NJ
Posts: 11,802
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I tried to approximate this in my own pseudo-scientific way :-) I got a Radio Shack digital sound level meter which was not very expensive. I then created a series of tones at the same dB level which covered the full audible range in steps by using a freeware application. I then tried to tweak the adjustments on my speakers (M-audio BX-5 plus an inexpensive KLH subwoofer) such that the response was as flat as possible.
Not perfect, but I think it helped get me in the ballpark. And the results surprised me a bit and pointed out how I've grown accustomed to a sound which is anything but "flat" :-) |
August 19th, 2005, 08:30 PM | #3 |
Trustee
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Yes, this sounds like it has some promise in helping to
set up your monitors to be more accurate. The program I saw has a 30-day trial. Someone suggested getting as close to flat as you can with the best preamp and omni mic you have, and then renting a "reference mic" to finish it off. The one thing I don't understand right yet is what will your monitors/speakers be playing during the test for frequency response? Test tones at various frequencies? |
August 21st, 2005, 05:52 AM | #4 |
Inner Circle
Join Date: Nov 2004
Location: Baltimore, MD USA
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This is probably a good way to get a generalized idea, but you have to begin with a fairly serious calibration mic and know how to use it.
And yes we may be surprised by what we have become used to. I transferred some audio from 78 rpm to CD for a client. We had to do a LOT of physical cleanup on the disks. He called me later saying the recordings sounded muddy on his home stereo. I burned another disc, played them in both my audio systems and in my car CD player. The CD sounded fine. Don't know how he had his system set up but when I suggested he check his tone controls he eventually found the problem. How long they had been that way is anyone's guess. Good monitor sound begins wih getting good monitors and putting them in good places. Adding ANY sort of circuitry to correct monitor design or localized acoustical problems is asking for trouble because those circuits, themselves, also create certain distortions. BTW, cheaping out on audio monitors is similar to cheaping out on video monitor. Regards, Ty Ford |
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