BBC Papers On Bass Traps, Broadband Absorption, and Diffusion

Brandon Drury —  February 18, 2012 — Leave a comment

There are many good articles out there (Ethan Winer’s articles are some of my favorite), but it’s very difficult finding good answers that apply across the board that don’t require a physics degree to understand.  I’ve read several books on the topic of acoustics.  They all have value, but there are often holes and dilemmas that butt heads.

For example, a superchunk bass trap is a very effective DIY method of controlling low end reverberation.  However, it kills quite a bit of top end as well.  Combine that with broadband absorption and it doesn’t take long before you’ve turned your room into a dull, boring hunk of crap.  I know.  I’ve done this.  IT SUCKS!  Finding good answers on how to balance this out in a small home recording situation is something that’s plagued me for some time.  This is just one of probably a dozen problems I’ve fought with that are a little more specific than the general concepts particularly when limitations in the $$$ department get in the way.  These BBC papers help TREMENDOUSLY with this.

I’m not really sure why I never dove head first into the BBC papers, but I highly recommend anyone who’s experiencing holes in their understanding to schedule an evening and read every single one you can.  They are technical and don’t have any personality, but I don’t consider them as dull or formal as an Alton Everest book.  What they do have is tests.  Real tests.  Real data.  Real experiments and the results from those experiments both with graphs and subjective opinions to back up the results.

Here are a few:

Deep Bass Traps

Broadband Absorption


I’m positive there are many others, but anyone who is sick of trying to find good, cohesive info on forums will love these.

Brandon Drury

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Brandon Drury quit counting at 1,200 recorded songs in his busy home recording studio. He is the creator of and is the author of the Killer Home Recording series.

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