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In Reply to: Indoor response measurements. What should I expect to deal with? posted by Dan_ed on August 22, 2007 at 10:39:55:
Dan
In addition to the comments by Fred and John, you can seperate the room and speaker responses to a certain reasonable degree of accuracy. If the test signal used by the RTA is swept, then you can measure what the horn is doing with a close measurement with the test mic in the horn mouth. With a steady state signal like pink noise however, room resonances will begin to dominate. At any rate, compare the response of the horn with the test mic in the mouth (with ideally a test tone which sweeps over a 1/3 octave for instance, ala the Stereophile Test Disc) with the response you get at your listening position (the test signal could then be pink noise, steady state, which would tend to energize the room resonances). This should identify which artifacts are particular to the room, and which are specific to the horn. If you do the horn measurment first, don't get hung up on minor (a couple of dB) variations from flat. When you see what the room is adding, you should see that this is the least of your problems.
Good luck
Paul
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Follow Ups
- RE: Indoor response measurements. What should I expect to deal with? - Paul Eizik 20:16:49 08/22/07 (0)
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