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Homemade Acoustic Panels

RevMen said:
...How live or dead you want your room is a matter of personal preference. Some people like live rooms because they feel surrounded by the music. Others, like me, like dead rooms because of the increased clarity and separation between instruments.
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That's more what Im going for: temporary recording room (mainly acoustic and sometimes electric guitar) although all the information is good :thmbsp:

I had an apt before and glued a bunch of this all over the walls (no pics of listening space tho..)
http://www.musiciansfriend.com/accessories/auralex-studiofoam-designer-kit

that room was carpeted and pretty darn dead..I liked it for listening to music (accurately) and recording.
 
any way to analyze the frequencies being affected? like recording with an Omni microphone and looking at the before and after in audacity or something?
 
+1 on the link Rev provided. This spreadsheet is very easy to use and I have measured three different rooms and come up with the same actual datas Revs spreadsheet predicted.
 
My only caveat on Ethan Winer's website (which I think is terrific) is that the presentation of his research and professional opinions are designed to underscore the sales of his products. There is nothing inherently wrong with this, and many individuals (and companies) make good moral judgements in this regard, but it should be kept in mind when using his conclusions to make sweeping generalizations about the behavior of acoustic spaces. (Not that anybody has (yet) ... )
 
GearSlutz also has a bunch of great info.

I tackled this issue finally this past spring and it's the biggest improvement I've made to my system in 15 years. I'm hearing much less of the room now and much more of the system.

I made "superchunk" traps out of Roxul Safe & Sound and soffit traps out of the same material. I used speaker grille cloth material that I found on clearance @ JoAnne fabric.

Well worth the time and effort. Highly recommend REW as well, it provides a quick and easy way to see your progress.

Bill
 
I'm sure it sounds different, but you don't get good, even absorption from closed cell foam like what mattress pads are made of. Especially when they're thin like that. Replace it with acoustic open cell foam or fiberglass and you'll get much better results.
 
Are you f*#king kidding?

DC said:
My only caveat on Ethan Winer's website (which I think is terrific) is that the presentation of his research and professional opinions are designed to underscore the sales of his products. There is nothing inherently wrong with this, and many individuals (and companies) make good moral judgements in this regard, but it should be kept in mind when using his conclusions to make sweeping generalizations about the behavior of acoustic spaces. (Not that anybody has (yet) ... )
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I'd say Ethan is extraordinarily generous with his knowledge and comments like yours are totally and completely unnecessary. The contribution he's made to educating the masses on the fundamentals of room acoustics and treatments is nothing short of profound. Myself and thousands of others have been able to successfully implement acoustic treatments to our own listening spaces by using his information without giving him a single penny....and he is fully aware of this yet continues to offer his knowledge and assistance free of charge. The suggestion that behind Mr. Winer's willingness to share his expert knowledge is a profit driven self-serving agenda is, to me, absurdity of the highest order. :nono:

Sorry OP for the thread derail.

- Michael
 
tomlinmgt said:
I'd say Ethan is extraordinarily generous with his knowledge and comments like yours are totally and completely unnecessary. The contribution he's made to educating the masses on the fundamentals of room acoustics and treatments is nothing short of profound. Myself and thousands of others have been able to successfully implement acoustic treatments to our own listening spaces by using his information without giving him a single penny....and he is fully aware of this yet continues to offer his knowledge and assistance free of charge. The suggestion that behind Mr. Winer's willingness to share his expert knowledge is a profit driven self-serving agenda is, to me, absurdity of the highest order.
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I have no issue with Mr. Winer and I have to agree that he is very generous with his knowledge, understanding, and experience. I've learned much from his website and postings on other audio forums, and I even recently bought his book.

And though I take exception to your strong language, I stand behind my assertion that any businessperson who gives away free information that supports the sales of his or her product or service is inherently engaging in a conflict of interest and it behooves a savvy consumer to bear this in mind when weighing the credibility and reliability of said information. That is all. And I'll go so far as to conclude that this is not an issue to be concerned with in regards to Mr. Winer and on that I hope we can agree.
 
RevMen said:
I'm sure it sounds different, but you don't get good, even absorption from closed cell foam like what mattress pads are made of. Especially when they're thin like that. Replace it with acoustic open cell foam or fiberglass and you'll get much better results.
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Good idea, I'll give that a try.
 
DC said:
I stand behind my assertion that any businessperson who gives away free information that supports the sales of his or her product or service is inherently engaging in a conflict of interest and it behooves a savvy consumer to bear this in mind when weighing the credibility and reliability of said information.
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With all due respect, your assertion in this instance is flawed. Someone could easily take Mr. Winer's (or any proprietor who shares professional knowledge while offering a product/service related to that knowledge) information and buy one of his competitor's products. I've seen no evidence within the bounty of information Mr. Winer has offered up that suggests only his company's products will produce the results he speaks of. And there is a surplus of scientific evidence supporting the credibility and reliability of Mr. Winer's information.

A business owner can most certainly share their knowledge and offer a product or service pertinent to that knowledge without there being a conflict of interest. As a small business owner and expert in the field of powder and ceramic coatings I possess a body of knowledge I'm willing to share in the interest of helping foster the industry as a whole (motorsports and auto restoration) yet I'm fully aware it could and has cost me business. Rest assured, I have credibility in this regard.

I think the fundamental message of your assertion is credible in some instances, but you making it a blanket statement comes off as cynical more than anything else....if not a bit disrespectful to Mr. Winer since your comments revolved around a discussion of him in particular.

Again, to the OP....sorry for the thread derail.

- Michael
 
tomlinmgt said:
With all due respect, your assertion in this instance is flawed.

I think the fundamental message of your assertion is credible in some instances, but you making it a blanket statement comes off as cynical more than anything else....if not a bit disrespectful to Mr. Winer since your comments revolved around a discussion of him in particular.
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Indeed my assertion is flawed. My apologies to Mr. Winer for my cynicism and disrespect and my apologies to the OP for the thread derail.
 
"I stand behind my assertion that any businessperson who gives away free information that supports the sales of his or her product or service is inherently engaging in a conflict of interest"

What ......................? Sheesh put away the for profit business is evil playbook and get a life. A businessman likely sells a product in which he has expertise and believes offers value to the end consumer. It's a win-win situation for both the consumer and the business. There is no conflict of interest anywhere in the equation.
 
DC said:
Indeed my assertion is flawed. My apologies to Mr. Winer for my cynicism and disrespect and my apologies to the OP for the thread derail.
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I'll be sure to get a life, too.
 
I had a horrible slap echo between parallel walls in my living room. Made a 4' x 8' x 4" frame, glued 4-2' x 4' x 3" panels of acoustic egg crate foam from PE and covered it with burlap (Very cheap.). Hung it on one wall. Works like a dream.

Click on photo.

IMG_0814.jpg

Regards,
Dave
 
I see your point DC. I was in the business of making videos for companies sold as information but where also pushing their products. Some of my clients were very sleazy but some of them where really into their area of expertise and wanted to get good knowledge out there and if they sold product, the more the merrier.
 
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