Poll

Have you measured your room via computer software or programs?

Yes
No

Have you Measured your Room?

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medium jim

Have you Measured your Room?
« on: 18 Jan 2013, 02:21 am »
Let's be real honest and answer yes or no to the question, have you measured your room via DSP or other computer based programs.  This is not a pro/con survey, just have you or haven't you.  More to the point, there is no right or wrong answer!

Jim

kevin360

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Re: Have you Measured your Room?
« Reply #1 on: 18 Jan 2013, 02:29 am »
Okay, Jim, I voted - yes. I don't have serious 'numbers' yet, but I did pick up the requisite hardware and have been learning RoomEQWizard (and experimenting) - there is a learning curve (improper measurements are probably worse than no measurements :lol:).

medium jim

Re: Have you Measured your Room?
« Reply #2 on: 18 Jan 2013, 02:45 am »
Kevin:

Let me know how your room measures once you have valid numbers.

Jim

P.S. It would be interesting to see if under different amplification, if the numbers change....

JohnR

Re: Have you Measured your Room?
« Reply #3 on: 18 Jan 2013, 03:23 am »
To be pedantic, you are not really measuring the room, you are measuring the behaviour of a speaker or speakers in the room. :)

With regard to amplification, it's not likely that there will be much difference except in cases of gross issues (clipping, high output impedance). Other than that, any differences will be swamped by acoustic effects.

medium jim

Re: Have you Measured your Room?
« Reply #4 on: 18 Jan 2013, 03:46 am »
To be pedantic, you are not really measuring the room, you are measuring the behaviour of a speaker or speakers in the room. :)

With regard to amplification, it's not likely that there will be much difference except in cases of gross issues (clipping, high output impedance). Other than that, any differences will be swamped by acoustic effects.

JohnR:

I only asked as hopefully Kevin will have his VAC back soon and is currently using his Pass amp.

It's all good!

Jim

medium jim

Re: Have you Measured your Room?
« Reply #5 on: 20 Jan 2013, 01:05 am »
Let's get some more votes for a better concensus :thumb:

Jim

SoCalWJS

Re: Have you Measured your Room?
« Reply #6 on: 20 Jan 2013, 01:16 am »
Yes. OmniMic.

Donald

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Re: Have you Measured your Room?
« Reply #7 on: 20 Jan 2013, 02:23 am »

WntrMute2

Re: Have you Measured your Room?
« Reply #8 on: 20 Jan 2013, 03:02 am »
Yup, I have measured about ten systems now using REW software and a Dayton mic with an Art Audio preamp/soundcard.  Using a Macbook.

tonyptony

Re: Have you Measured your Room?
« Reply #9 on: 20 Jan 2013, 03:06 am »
Yes, with a calibrated ECM8000 and an E-mu 0404 USB. Used it to get the DSP correction filters built for my Logitech Media Server software and Squeezeboxes.

SteveFord

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Re: Have you Measured your Room?
« Reply #10 on: 20 Jan 2013, 03:16 am »
Si.  Actually Paul Elliott did it.

AJinFLA

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Re: Have you Measured your Room?
« Reply #11 on: 20 Jan 2013, 03:26 am »
My room measures 17' x 18'

Or as JohnR pointed out, you are actually measuring your speaker/room interaction (except for higher frequency gated response type measurements). No acoustic source, no acoustic measurement. Different acoustic source/spatial location, different acoustic measurement (@ spatial location of mic).
Yes, measured plenty speakers in plenty rooms in plenty locations. :wink:

cheers,

AJ

wgscott

Re: Have you Measured your Room?
« Reply #12 on: 20 Jan 2013, 03:59 am »
I just measured my room using the free two week demo of the Dirac software.  It looks like this before applying the correction:





After applying the correction, I listened for what has changed.  It is not at all apparent (so much so I spent a fair amount of time verifying it was applied.)

This is 500 euros, so I guess I am kind of grateful that I cannot detect an improvement upon flattening the spectrum and optimizing the impulse.

abernardi

Re: Have you Measured your Room?
« Reply #13 on: 20 Jan 2013, 04:51 am »
Yup, I have measured about ten systems now using REW software and a Dayton mic with an Art Audio preamp/soundcard.  Using a Macbook.

Hey WntrMute2, you want to come over?  :D