Topic: listening room from hell

[MattD]

Now that I have pretty flat mics (DPA 4021s), I figured it'd be fun to see my room response. I generated a 20 Hz - 22 kHz sine wave sweep at -6 dB over 3 minutes using sound forge and recorded it on my laptop.

I did 2 recordings. One with a mic 1m from one of the tweeters and one with a mic at the listening position.

The good news is that my speakers are pretty flat, even by this unscientific test. The bad news is that my room sucks more than a reality TV show.

Here's the speaker (Von Schweikert VR-1):

[MattD]

And here's the room  

[George]

Hmm, why not nail in some egg cartons onto your wall?  

[MattD]

Tools > Synthesis > FM synthesis for sweeps (there are a few presets)
... > Simple for pure tones

[jpschust]

might be time for some room treatment.  there are a ton of great cheap ideas over at www.tapeop.com

[Nick's Picks]

yikes!
i'd hate to see what my room looks like.
I think you need to use an omni to get even remotely accurate w/a test like this.  So, I wouldnt' put too much worry behind your room recording.

[MattD]

In the low frequencies, I can hear it, which is kind of the reason I wanted to test this out to begin with. When I played back the sweep, it sounded like someone was turning the volume up and down as it played.

I'll probably move to a different apartment complex much closer to DC over the summer, so I'm not really going to worry about it. I'll just use headphones for the important stuff.