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Room Acoustics Forum by Rives Audio Welcome! Need support, you got it. Or share you ideas and experiences. |
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Room Acoustics Forum by Rives Audio Welcome! Need support, you got it. Or share you ideas and experiences. |
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In Reply to: Ethan: Thank you for ModeCalc! posted by Jeff P. on February 5, 2006 at 07:22:51:
Jeff,Yes, that all looks good and your interpretation is correct except for one small point:
> the spacing of the modes, which I want to be as even and as spread apart as possible <
Ideally, the modes will be bunched together as closely as possible while being evenly spaced. In a large room the modes start lower and so repeat more often. The text below is from that section in my Acoustics FAQ.
--Ethan
For this reason, rooms for recording and playing music are designed to have many resonances that are distributed evenly, rather than just a few resonances at the same or nearby frequencies. Playing music in a room with poor mode distribution is like listening through a 5-band graphic equalizer with one or two bands turned up all the way. A room with good modes is more like having a 31-band equalizer with all the bands turned up. The frequency response still isn't perfect, but all the small peaks combine to yield an overall response that's reasonably flat. Therefore, the frequency response of a room with many modes close together is flatter overall than a room that has only a few modes far apart.
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Follow Ups
- Re: Ethan: Thank you for ModeCalc! - Ethan Winer 09:15:41 02/05/06 (1)
- I see; thanks again! (nt) - Jeff P. 05:21:14 02/06/06 (0)
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