Fractal Irregularity - www.AcousticFields.com
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- Опубліковано 8 лют 2025
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- In this video we're going to talk about fractal irregularity and how a lot of small problems will accumulate to a big acoustic issue. Watch the video to find out more!
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Thanks dennis!
Any time!
measured my rooms response for the first time the other day after getting a UMIK-1 calibration mic. To my dismay, the frequency balance was flat from 40hz until 2khz and then has aggressive, sharp notch attenuation at each further multiple of 2khz. 2, 4, 6, 8, etc. Exactly every other octave, as opposed to looking nonlinear or smiley-shaped in some way. My room is decent other than an untreated ceiling/wood floor that is only 7.5'
You are fortunate to have flat from 40 - 2 K. You can smooth out above 2 K with our foam technology.
I am so fascinated by your videos! Wow, so much to learn and you teach so well.
I have a question about common room design. In this video you mention that rectangular rooms are the most predictable to treat. In large recording live rooms I’ve seen, particularly in the very high end studios, they have been large irregular shapes. why are the rooms not often rectangular? Thank you for your time. I would like to learn as much as I can!
Irregular shaped rooms are designed in that form to manage reflections to better match usage. Live rooms, in particular, come to mind. With a live room, reflection and pressure management at the microphone position is critical. Angled surfaces can assist with that process with both pressure and reflections.. Rectangular rooms are predictable and consistent in their pressure and reflection issues due to their shape. We know where the problems are, and how large they are on each wall in a rectangular shape. This allows for the proper treatment on the proper surface areas which results in the treatment working more effectively. With rectangular rooms, you can increase resolution in a predicatble and consistent manner due to the predicatble and consistent size of a rectangle. There have been many studies on rectanguar rooms noting the increased resolution possibilities.
@@AcousticFields Thank you so much for taking your time to reply!
To make sure I understand, because the live room is being used for recording, the irregular shape of the room is contributing to the “sound of the space” and the engineer is using that along with mic placement to capture the a desirable sound. This needs to be possible in many positions in the room. Where as, a rectangular room might be better suited for mixing or mastering, since the goal in having a consistent critical listening position.
Once treated properly it can help manage the pressure and reflections in a more predictable manner.
Am I thinking correctly?
@@AcousticFields I joined your community and look forward to learning much!
I've read in the past that an "ideal" rectangular room has dimensions thT follow the "Golden Ratio" of 1 x 1.6 x 2.6..Typical example is 10'h x 16'w x 26' L. This is said to minimize room modes.
Your opinion and experience, please?
These ratios do help as a very rough first choice. However, the ratios do not allow for the 12-16" of space required to treat any modal issues below 100 hz. Its one thing to know what the modes are. Its a completely different room dimension when treated.