Acoustic Reflections: Does 'xyz' cause a problem in my room?

Acoustic Reflections: Does 'xyz' cause a problem in my room? - AcousticsInsider.com

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Күн бұрын

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Timecodes:
00:00 - Is this beam/pillar/cubby/furniture reflecting sound in a bad way?
01:39 - If something in your room is vibrating, rattling, or resonating
03:39 - Sound waves only "see" objects the size of their wave length
06:03 - A quick rule of thumb to quickly estimate problem frequencies
08:03 - Example: The wood frame of absorbers panels
10:08 - Example: The gap between absorber panels on the wall or ceiling
11:27 - Important: Does the object reflect energy back to your listening position?
13:43 - Always see individual problems in the context of the whole room
Have you ever wondered if a certain *thing (insert *beam/pillar/furniture/cubby/screen/etc here) in your room is causing an acoustic problem?
Maybe you've got a bunch of panels up on the wall and you're thinking that the wood frame is actually reflecting sound in a bad way.
Or there's an oddly angled piece of wall that you can't properly treat and you'd like to know just how much of an impact it has.
Of course really understanding this in detail is highly dependent on your exact situation.
But there's a quick way of roughly estimating just how large a problem can be caused by any particular *thing in your room.
It's the thought process that I always go through first when I'm asked this question.
That's what I want to show you today.
Here's my quick rule of thumb to know just how much of a problem a certain *thing in a room causes.
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Пікірлер: 18

@HandbrakeBiscuit 2 жыл бұрын

This is the version with the correct formula - thanks for updating it Jesco (that's the _most_ German thing I've seen today).

@grayveeacoustics 2 жыл бұрын

It means, this is the same video I probably saw a few days back, right?-With the correct formula. I almost convinced myself that I time travelled and already saw this video days back!!!

@HandbrakeBiscuit 2 жыл бұрын

@@grayveeacoustics It certainly appears to be that video, updated to correct the formula, yes. _Or maybe it was a glitch in the Matrix..?_ :)

@Brucey69 4 ай бұрын

I’ve read Mass loaded vinyl will not dampen or block sound when place in paneled sections. MLV requires a airtight seal in order for it to effectively absorb/dampen sound waves. Correct me if I’m wrong

@paulbishop2161 2 жыл бұрын

Regarding angled surfaces/panels... soundwaves are not lasers, despite so called ray tracing...even at higher frequencies they are conical, until we get down to very low frequencies which are spherical, therefore an angled surface still needs to be sufficiently larger than a given wave length in order to deflect it. For example, if you read the BBC Research and Development report 1995/4 on Controlled Image Design control rooms, you will read that a surface of at least 1m wide is required to sufficiently deflect frequencies of 1khz and up. That is a surface 3x larger than the sound waves in question.

@kjmusic2541 2 жыл бұрын

Quick question. If the walls of the room are not parallel, are absorbers still necessary? I just read a post in a Facebook Group that says they are not, because there will be no standing waves. If this is the case (I doubt it is) , would it not be easier to simply add paster boards (dry wall) in the room to make the wall angled, rather than make and hang panels? Thanks

@FOH3663 2 жыл бұрын

You're right, that's untrue. Essentially, all the typical challenges must still be addressed with non-parallel surfaces... it's just less predictable.

@Woot-Zee 7 ай бұрын

It's even more problematic.

@djentlover 2 жыл бұрын

I'm struggling to understand wavelength as a distance. Does it mean that in a specific distance, all the different air pressure levels of the wave are within?

@eugenemartone7023 2 жыл бұрын

Yes, more or less. It helps to visualize it as a 2d sine wave (a sort of cross section), the length being both phases of the wave (to where it starts to repeat).

@gooshie3 2 жыл бұрын

Wait, am I gonna wake up to Sonny and Cher again tomorrow?

@lumiaani3278 2 жыл бұрын

You will have limitless possibilities of making the perfect comment.

@filiprangus5826 2 жыл бұрын

I would advise much shorter videos, this one caused me rather more questions than answers and quite a lot of confusion

@tim110-handle 2 жыл бұрын

no! the more information the better!

@gegilog7493 Жыл бұрын

so we gonna act there wasn’t any sus at 7:40

@theflo.loudnoiz Жыл бұрын

:)))) what was that?

@gegilog7493 Жыл бұрын

@@theflo.loudnoiz why he licked his finger in the middle of a sentence 👀

@theflo.loudnoiz Жыл бұрын

@@gegilog7493 yeah I was asking about that :)) I thought of it afterwards (a lot :))) and the only explination I have is that he had some notes on his desk to read from and he did that to turn a page or something. But it's funny how it's edited there.