Any Suggestions on Free Spectrum Analyzer Software?

J.R.Freeman · 24th March 2010, 03:50 PM

Good morning all,

My apologies if this has been covered to death - I can't seem to get a straight answer out of the search tool, but that is likely my fault.

I'm looking for free software that can display real-time audio spectrum data. I'm doing some vibration measurements, and I'd like to look at spectral components. Resolution to 5 Hz or less would be nice, but beggars can't be choosers as they say!

I've heard of HOLM Impulse but haven't tried it as of yet - would that be a reasonable one?

Thanks for your help guys,

Jim

5th element · 24th March 2010, 03:54 PM

I'm thinking that ARTA can probably do what you're after.

Nehon · 24th March 2010, 04:25 PM

You can try " Visual Analizer ", is a spectrum analizer complete with a scope, a waveform generator, a voltmeter and so on, you can find it here: Visual Analyser 2010 NE-XT v2.4
obviusly is completely free and ( I think ) could be useful for your needs.

J.R.Freeman · 24th March 2010, 06:38 PM

Thank you both for your suggestions, and for entertaining my newbie-ness

Arta looks perfect, thanks 5th! Nehon, I'll check out your link at home - it sounds interesting as well, but I am at work at the moment.

Thanks again guys!

Jim

Gary P · 25th March 2010, 02:54 AM

I've found that for signals that are not generated by (synchronized to)the sound card AudioTester //www.audiotester.de seems to work good.

Gary

Hakancez · 10:20 PM

Another freeware software called SynRTA from Liberty Instruments. Link: SynRTA Home Page

Best regards

bentoronto · 17th April 2010, 01:56 PM

Being a fervent Mac person (since 1984, and Apple II before), I hate to say it, but I need help finding a scope/spectrum analyzer cheap or free for Mac OS-X, please?

With earlier OSs, I used MacCRO. What a God-send to eyeball the spectrum and sooo much better than looking at sine waves. My next adventure has to do with filling the room with pink noise and watching the spectrum analyzer accumulate.

Footnote: Mac folks get really pissed when Windows sites act as if their's was the only platform in the world and don't bother saying, "... we're talking here only about Windows software...".

Ron E · 06:35 PM

I did a lot of searching for one a few years ago, and found that a program called wavespectra did the best job for me.
Spectrum Analyzer for analyzing static WAV files

jleaman · 17th April 2010, 07:07 PM

Quote:

Originally Posted by bentoronto

Being a fervent Mac person (since 1984, and Apple II before), I hate to say it, but I need help finding a scope/spectrum analyzer cheap or free for Mac OS-X, please?

With earlier OSs, I used MacCRO. What a God-send to eyeball the spectrum and sooo much better than looking at sine waves. My next adventure has to do with filling the room with pink noise and watching the spectrum analyzer accumulate.

Footnote: Mac folks get really pissed when Windows sites act as if their's was the only platform in the world and don't bother saying, "... we're talking here only about Windows software...".

Ill look in my downloads box

JohnPM · 7th May 2010, 09:37 PM

Quote:

Originally Posted by bentoronto

Being a fervent Mac person (since 1984, and Apple II before), I hate to say it, but I need help finding a scope/spectrum analyzer cheap or free for Mac OS-X, please?

There's a Spectrum/RTA display in REW V5 Beta, works on Intel-based Macs. Quick overview here, download from here (requires registration).

24th March 2010, 03:50 PM	#1
J.R.Freeman diyAudio Member Join Date: Aug 2008	Any Suggestions on Free Spectrum Analyzer Software? Good morning all, My apologies if this has been covered to death - I can't seem to get a straight answer out of the search tool, but that is likely my fault. I'm looking for free software that can display real-time audio spectrum data. I'm doing some vibration measurements, and I'd like to look at spectral components. Resolution to 5 Hz or less would be nice, but beggars can't be choosers as they say! I've heard of HOLM Impulse but haven't tried it as of yet - would that be a reasonable one? Thanks for your help guys, Jim

24th March 2010, 03:54 PM	#2
5th element diyAudio Member Join Date: Oct 2002 Location: England	I'm thinking that ARTA can probably do what you're after. __________________ What the hell are you screamin' for? Every five minutes there's a bomb or somethin'! I'm leavin! bzzzz! Droggon Attack!

25th March 2010, 02:54 AM	#5
Gary P diyAudio Member Join Date: Apr 2002 Location: Portland OR	I've found that for signals that are not generated by (synchronized to)the sound card AudioTester //www.audiotester.de seems to work good. Gary __________________ http://www.pimmlabs.com/

16th April 2010, 10:17 PM	#6
Hakancez diyAudio Member Join Date: Apr 2010 Location: Izmir	Another freeware software called SynRTA from Liberty Instruments. Link: SynRTA Home Page Best regards __________________ J.C.Verdier Triode Spirit 2A3. Audio Analog Bellini, Ereshgikal DIY turntable/ Goldenote Borghese / Denon DL-103, Goldenote Koala Mini CD with Dumbo AC, DBX Tuner, Nakamichi CR-7, Revox B77, Triangle Comete ES, DIY interconnects web site in Turkish: www.stereomecmuasi.com Last edited by Hakancez; 16th April 2010 at 10:20 PM.

17th April 2010, 01:56 PM	#7
bentoronto diyAudio Member Join Date: Jan 2008 Location: Toronto and Delray Beach, FL	Being a fervent Mac person (since 1984, and Apple II before), I hate to say it, but I need help finding a scope/spectrum analyzer cheap or free for Mac OS-X, please? With earlier OSs, I used MacCRO. What a God-send to eyeball the spectrum and sooo much better than looking at sine waves. My next adventure has to do with filling the room with pink noise and watching the spectrum analyzer accumulate. Footnote: Mac folks get really pissed when Windows sites act as if their's was the only platform in the world and don't bother saying, "... we're talking here only about Windows software...". __________________ Dennesen ESL tweets, Dayton-Wright ESL (110-3200Hz), Klipschorn mixed-bass woofer w/param. EQ plus 1954 AR-1W or giant OB HiFi construction since 1956


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24th March 2010, 04:25 PM	#3
Nehon diyAudio Member Join Date: Mar 2009	You can try " Visual Analizer ", is a spectrum analizer complete with a scope, a waveform generator, a voltmeter and so on, you can find it here: Visual Analyser 2010 NE-XT v2.4 obviusly is completely free and ( I think ) could be useful for your needs.

24th March 2010, 06:38 PM	#4
J.R.Freeman diyAudio Member Join Date: Aug 2008	Thank you both for your suggestions, and for entertaining my newbie-ness Arta looks perfect, thanks 5th! Nehon, I'll check out your link at home - it sounds interesting as well, but I am at work at the moment. Thanks again guys! Jim

17th April 2010, 06:32 PM	#8
Ron E diyAudio Member Join Date: Jun 2002 Location: USA, MN	I did a lot of searching for one a few years ago, and found that a program called wavespectra did the best job for me. Spectrum Analyzer for analyzing static WAV files __________________ Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works. --Carl Sagan Science is a way of thinking much more than it is a body of knowledge. --Carl Sagan Last edited by Ron E; 17th April 2010 at 06:35 PM.

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