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Post by trombosaurus on Feb 14, 2021 15:01:25 GMT
Yo Hexspa, Do you just use a hue strip or other fixtures too?
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Post by Hexspa on Feb 16, 2021 13:50:37 GMT
Yo Hexspa, Do you just use a hue strip or other fixtures too? I use two color ambience lights inside of IKEA desk clamp arm fixtures. My girlfriend has two bulbs plus the old light strip in her room. Though I haven't checked interference of the strip, I imagine it would be as much or less than the bulbs.
Whatever noise there is remains constant. There isn't intermittent 'cell phone signal' type interference despite them being wirelessly controlled. Like I alluded to, you can only pick up noise when your mic is close to them and the room is dead silent. The noise is similar to what I get when placing my mic (SM57) near my interface, speakers, computer monitor, etc. I don't recall my Strat having any problem with any of these either.
You can sync them with movies too, which is neat. Mainly I use them on a warm white color with two preset levels of brightness. They also can be set up to work with ITTT (If This Then That) applications but I'll let you explore those options since I don't use them.
Not going to lie, I think they're amazing and Karla loves them especially. They can be programmed to be progressively brighter at a certain time so you don't wake up to full on light. Besides cost, I can't think of any reason not to use them for general lighting.
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Post by trombosaurus on Feb 16, 2021 14:45:30 GMT
Thanks bud, I am reading more and more good about them.
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Post by trombosaurus on Jun 20, 2021 15:49:08 GMT
HI people. I have another question for you. I am wondering if when hanging a ceiling cloud(s) how much the width matters, does the cloud need to be as wide as the distance between the monitors? if so should the cloud span the outside or the inside of the monitor? also is it correct that the center of the cloud should be placed half way between the monitors and the listening position?
attached is an image of my progress, I set up my desk yesterday, mostly only details left now..... I guess there is always a punch list??? Best Lars
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Post by trombosaurus on Jun 20, 2021 15:54:00 GMT
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Post by rock on Jun 21, 2021 0:16:24 GMT
Hey Lars,
The LED strip lights look good!
Yes, the more the coverage the better...both for first reflections and for additional LF absorption. But I'd first look at it for one monitor and do the same for the other one as there are really two ceiling "areas" you need to consider (but for your room as in many, they will probably blend into one larger area).
You can use the "mirror trick" by having someone hold a mirror flat on the ceiling and you, in the listening position, note when you can see the left side speaker center in the mirror. Have the mirror holder mark that point on the ceiling. Do the same for the right speaker. Keep in mind that the sound will propagate in an expanding cone so you will want cover a larger area centered around each point. Since at some size, those areas will overlap so you will probably hang one cloud large enough to cover both areas.
Your second question: Yes, the point will be between if your LP height is the same as your speaker height (which is also recommended). But measuring will confirm your "mirror" procedure is correct.
I also notice you don't have absorbers on the sides on the wall "RFZs". You can use the mirror trick to locate them the same way except you need to consider the reflection of both the left and right speaker on each wall.
You can also find the reflection point on paper by drawing lines that represent the sound from the speaker bouncing off the ceiling or wall (angle of incidence = angle of reflection) to the LP. Of course, you always need to account for the sound spreading in a cone, so like the ceiling, larger is better for RFZ and additional LF absorption.
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Post by trombosaurus on Jun 21, 2021 13:20:08 GMT
Thanks much Rock,yeah I still have quite a few panels to hang. I believe that I ws advised by you and Hexspa to make the room as dead as possible as my room is 9'1" x 21'9" with a 7' ceiling, so I have panels planned for the back wall and 6" thick corner traps ( I do have a glass door in one of the back corners so it will have to be gobo style) Diffusion is not relevant with my dimensions , correct? Best Lars
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Post by trombosaurus on Jun 21, 2021 22:29:28 GMT
I have studied Ethans illustrations on panel placement and one thing I am missing is a measurement or angle for where the sound from the monitor hits the wall immediately to the side of it, is there and angle measured from the front at which the cone projects onto the wall. I am wanting to cover as much as possible while doing what I need to do visually. Best Lars
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Post by rock on Jun 21, 2021 23:26:52 GMT
I believe that I was advised by you and Hexspa to make the room as dead as possible as my room is 9'1" x 21'9" with a 7' ceiling, so I have panels planned for the back wall and 6" thick corner traps ( I do have a glass door in one of the back corners so it will have to be gobo style) Diffusion is not relevant with my dimensions , correct? Dead is good for absorbing LF and neutralizing the room and hearing exactly what the speakers are reproducing which greatly improves translation...but... the room does loose some life. If you add some diffusion, one opinion I recently read it that, diffusion or other reflections allowed in the space after room modes have been neutralized are for YOU, the listener, and supposedly will not affect the translation. I'm not exactly sure I completely understand but the way I take it is: Get your LF and RFZ in order first, then season to taste with diffusion.
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Post by rock on Jun 21, 2021 23:38:39 GMT
I have studied Ethans illustrations on panel placement and one thing I am missing is a measurement or angle for where the sound from the monitor hits the wall immediately to the side of it, is there and angle measured from the front at which the cone projects onto the wall. I am wanting to cover as much as possible while doing what I need to do visually. Best Lars Well, of course the speaker has way less mid/high freq. energy from the side (90 deg)... but there is some. If you can, it would not hurt to try to make your RFZ absorbers cover as much area as practical. Furthermore, if you use 4" thick or more, that also will also help in the low end too. (well actually, even more 2" would help in the low end too... just not as much)
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Post by trombosaurus on Jun 22, 2021 2:17:46 GMT
Thanks for the reply. A couple more questions: 1. the other end of the room will likely be used for recording unless I like the desk area with all the panels, I have 2 6" thick corner traps like the ones used at the desk, 2 2'x5'8 that I was going to keep mobile for GOBOs and 2 2'6"x4' like the ones I used for clouds, which I will probably keep around for ceiling if I need them for recording drums and whatever else will need it. I don't want to mount them as permanent fixtures as I have a 7' lid and with 3" thick panels and 3" gap i'm at 6'6" ( I will have to sit with my upright ): the question I have is will the diffusion help out with the recording or mostly while i'm mixing? I haven't found any useful info yet and given the room dimensions I am not sure what to do. 2. as you can see I have 2 windows on the right and they are obviously the weak link while recording with condensers, I was thinking of making a removable insert that will fit onto the sills, 2 layers of 5/8" DW, maybe with a rubber seal. What do you think?? any ideas/sketches are welcome, maybe you have seen a similar situation?? The lights you saw in the last post are from walmart, I bought 2 light bulbs and a remote for $20, stuck them in my small utility clip on lights and mounted them behind the panels. I'm not sure that it's the end all but fun for now.
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Post by rock on Jun 22, 2021 13:12:48 GMT
Ethan's Diffusor/Absorber combination demonstration video shows how good diffusors can sound for recording. I'll have to search for these but maybe you or someone else and come up with the link.
A DIY solution of the above would probably be full absorption for low freq and then diffusors in front of them. I think Ethan's design is that LF pass through the diffusors so I think the wells in Ethan's Ab-fusors are transparent at low freqs. If you did this, I imagine you'd use the middle or back end of your room.
The window inserts are a good idea for isolation. If it's noisy most of the time, you'd probably leave them in (permanent). The other thing about the front (mix end) window is that it looks like its in the RFZ along with the door on the other side. Moveable panels could be an option here. (Maybe you mentioned it and I missed it?)
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Post by trombosaurus on Jun 22, 2021 13:49:15 GMT
You are absolutely right about the RFZ, I am going to mount panels there as well, hence my question about speaker cone angle as I am trying to optimize with aesthetics in mind too. I will look for Ethans video. Best Lars
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Post by trombosaurus on Jun 22, 2021 13:54:18 GMT
I have another question for you . I see that some folks wrap their rockwool in plastic out of concern for fibers sprinkling from the panels, and I see that experts support this, why does breathable fabric matter if plastic doesn't??? I am diffused (get it?)
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Post by rock on Jun 23, 2021 13:21:57 GMT
To know the level(dB) of the frequencies at a given angle, check a polar frequency response plot of your speaker model (if it's available). Wrapping with plastic will reflect Mid/hi freqs to some degree. Fine for bass traps but not for RFZ's. Breathable fabric will not (greatly) reflect mid/highs. Some people are concerned about fibers but I don't notice any problem as long as I don't beat my panels with a tennis racket . Check the OSHA Hazardous Materials document for your product for details of danger and cautions.
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