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-   -   Low frequency spectrum analysis, S.A. software, recommendations? Newbie here. (http://www.diyaudio.com/forums/software-tools/188829-low-frequency-spectrum-analysis-s-software-recommendations-newbie-here.html)

emilimo701 11th May 2011 01:38 PM

Low frequency spectrum analysis, S.A. software, recommendations? Newbie here.
 
Let's try this again ... last time my session timed out (?) as I was typing a post, and 20+ minutes worth of typing got erased. After taking a few minutes to cool off, I decided to try and re-type it, but this time it's just going to be much shorter, slapdash...

I'm trying to measure the frequency response of my subwoofer. I will be measuring 15-250 Hertz. I have Daqarta RTA, a Presonus Firebox, and a professionally calibrated (down to 10 Hertz) Dayton emm-6 condenser mic. I don't trust the sound card that came with my laptop, that's why I'm using the Firebox.

Is there any way to make sure (nomatter what software i use) that the laptop sound card is disabled, or at least just not being used?

With Daqarta, I can only analyze in real time. I want to do some analysis of pre-recorded files but with pretty much the same capability. Can anybody recommend spectrum analysis software for this that is either free or inexpensive?

Cal Weldon 11th May 2011 01:43 PM

Hi emilimo,

When you know it will take a while to type something, just do it in a document and paste it when ready. :)

emilimo701 11th May 2011 01:48 PM

Quote:

Originally Posted by Cal Weldon (Post 2568428)
Hi emilimo,

When you know it will take a while to type something, just do it in a document and paste it when ready. :)

Learned my lesson. unfortunately not my first time learning that lesson

marci 18th May 2011 03:08 PM

Impules software
 
Emilimo,
Take a look at HOLM Impulse s/w, I believe this HOLM is specifically designed for impulse related analyzation of waveforms. There is also Sigview, and ARTA, which I believe are real time as well as impulse.
There also is:
Soundcard Scope
... which is a nice application, simple to use and useful in certain situations.

Marci

geraldfryjr 21st May 2011 07:14 AM

I got few good ones in this thread,

http://www.diyaudio.com/forums/softw...ml#post2524170

I use these and HOLImpulse, Virtual analyzer ,audacity and a few others all are free I will try to get list of all of the ones I have tried and work well.

wavespectra and REWv5 are very good and most of them allow you to analze just a sample data without being only realtime audacity has a built in function that does this.

jer

richiem 24th May 2011 05:59 AM

I think ARTA can read .wav files...


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