Today we are going to talk about room usage.
Do you remember that old adage in real estate, location, location, location, is the most important part? Well, in room acoustics it’s really usage, usage, usage, because what you’re doing in the room, tells you about the size that you need, the volume that you need, what kind of treatments you need, noise levels, all kinds of issues. So usage of the room is really critical. To understand a little bit of this, let’s think about room as a glass of water. We have all this energy in the room. We have low frequency, middle and high frequency energy. So all this energy raises the water level in our room, or glass. Above our head we can’t hear. So it’s a way of looking at energy in the room and creating noise if you will so that you can’t hear certain things, and then we get in to all kinds of issues with the amount of energy, and the frequency of the energy. Especially with low frequency energy we have long waves of energy that simply won’t fit in the room. So they create all kinds of residences, and all kinds of issues that we have to deal with at different locations in the room. One of the locations in the room, especially with low frequency energy, is floor to ceiling.
That’s an area that’s often overlooked, but if you think about it, especially in North America, I think in most areas of the world, that is our shortest distance. So the shortest distance when it becomes problematic with lower frequencies that are longer and won’t fit. So that’s an area you have to be really careful of. If we look at usage, we look at the frequency and we look at the amount of energy in the room, we know that in a vocals room we have mids and highs we have to worry about, nothing really below a hundred cycles. But control, drum, mix, in almost every other room we have full range requirements, so we need to be able to manage and handle all that energy. That’s a good way to look at the differences between requirements. A vocal room would not even be close in size requirements, to a control, drum or mixing room. So these three here have way different requirements than a vocal room. We have to look at usage, because the usage determines what we’re doing. If it’s two channel listing, if it’s home theater, if it’s a drum room. Just comparing contrast based on your experience the difference in energy requirements between a drum room and a vocal room. You can see that usage is really critical here.
So in this graphic I’ve taken room vibes and I’ve divided it up in three parts. One part is under 1500 cu.ft. The next part is under 3000 cu.ft, and the third part is under 4500 cu.ft. That’s based on our database and what we’ve seen is that issues in those room volumes or anything below those numbers you can see in the red area, it’s almost a no go acoustically, because the amount of treatments that you have to put in, makes the room so small. Below 3000 is problematic, you can have certain sizes that you can see in the graph that will work with treatment. And of course 4500 is a magical number, we see very few issues that are easily managed, at those volume levels. So usage usage usage, remember that when you’re talking about room, and one size acoustically does not fit all.
This is an unedited transcript from our video series from Acoustic Fields. There will be some errors in grammar and sentence structure that occur during this translation process.
For complete understanding and comprehension, please view the video which is included in this text. For any additional information regarding this topic or others relating to room acoustics, please contact us directly at:
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