How to make your RTA with $100 dlls. - Page 11 - Car Audio | DiyMobileAudio.com | Car Stereo Forum

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Old 10-10-2012   #251
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Default Re: How to make your RTA with $100 dlls.

at first i thought this thread was going to be about how to RTA with 100 computer OS ".dll" files- make your RTA with 100 dlls. but seriously, as a reference for those who may have wandered here in search of a good RTA instructional thread please keep hunting on DIYMA because this one is like RTA 101, a nice start.

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Old 01-14-2013   #252
 
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Default Re: How to make your RTA with $100 dlls.

Would this Dayton USB mic work directly into the PC?

Dayton Audio UMM-6 USB Measurement Microphone
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Old 02-23-2013   #253
 
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Default Re: How to make your RTA with $100 dlls.

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Originally Posted by Sonus View Post
Would this Dayton USB mic work directly into the PC?

Dayton Audio UMM-6 USB Measurement Microphone
Digging up an old thread but I'm about to pull the trigger on a similar setup and saw your link. I 'think' this mic would work well since it removes the need for phantom power (MicMate) and also removes the need to calibrate against the PCs soundcard.

Another option I found browsing Hometheatershack is the MiniDSP UMIK-I. For $75 bucks it includes a unique cal file (via SN# entry like the Dayton), 133db limit and measures down to 5hz. Also includes a 1.5m cord and tripod.

Either way, seems you can get a true plug-and-play uniquely calibrated measurement setup for under $100 these days. Anyone have experience with the MiniDSP?

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Old 04-25-2013   #254
 
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Default Re: How to make your RTA with $100 dlls.

^^Curious about this as well.
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Old 04-26-2013   #255
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Default Re: How to make your RTA with $100 dlls.

Lol I'm still working on this. Just got a second hand laptop and getting a new drive for it, should work fine for this. Someone else here took over the other laptop.

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Old 04-26-2013   #256
 
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Default Re: How to make your RTA with $100 dlls.

I ended up with the Spectrum Labs calibrated UMM-6. Honestly, it's a great deal considering it's like 5 bucks more than the UMM-6 on Parts Express!

There's something you gotta keep in mind with these USB mics though. You cannot time align with them. Here's a thread I started to answer some questions on REW. See my 3rd or 4th post. I ended up getting an SPL meter (need one to calibrate REW/TrueRTA anyway) and use that for TA measurements.

I tore my hair out trying to figure out TA with a USB mic. Hopefully this saves a few people thinking of the USB mics some agony.

All-in-all now, it works pretty great. The UMM-6 has a high noise floor though. But so do most budget USB mics.

-Mul

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Old 03-09-2015   #257
 
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Default Re: How to make your RTA with $100 dlls.

should be ordering my parts this week!
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Old 03-10-2015   #258
 
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Default Re: How to make your RTA with $100 dlls.

This thread was bumped and I found it via the new post search link.

People talk of noise floor with these affordable mics, is that the mic's signal to noise ratio or the fact your using the chipset audio in your laptop? Has anybody tried good external USB interface like Focusrite Scarlett 2i2 or even less expensive Solo?

I don't know if I need to invest in these items like I previous though for a online project I am working on, but wanted to give my input.
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Old 03-10-2015   #259
 
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Default Re: How to make your RTA with $100 dlls.

Quote:
Originally Posted by doitor View Post
Hi guys
Just got my RTA going.
$100 for all the pieces new.
Want to know how?
Paypal me $100 and I'll let you know.
j/k

Behringer ECM8000 $49.95 at Amazon.



MXL Usb Mic Mate payed $49 at my local Guitar Center. Cheapest I've seen online $79.99
This thing has phantom power and you plug it directly to the mic and then to a USB port on your computer. It detects it automaticly.





TrueRTA free. (True Audio: Audio Spectrum Analyzer and Loudspeaker Design Software) the 1 octave is free and there are several versions 1/3 octave ($39.95), 1/6 octave ($69.95) and 1/24 octave ($99.95).



I know there are several programs to do it.
That's not my car's graph by the way, just measuring my office noise.
I think I need to eq my office.
Well that's it, $100 dollar totally portable, RTA and SPL meter.

Jorge.
I am used to people using larger mic pre-amps and such.
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Old 05-07-2017   #260
 
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Default Re: How to make your RTA with $100 dlls.

Interesting RTA Thread.
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Old 05-17-2017   #261
 
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Default Re: How to make your RTA with $100 dlls.

Picked up a Behringer mic looking forward to this. Anyone have a good Mac OS client they've used?

cheers

poorman
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