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 Spectrum Analyzer by Seven Phases is a Virtual Effect Audio Plugin. It functions as a VST Plugin.
Spectrum Analyzer
Spectrum Analyzer Spectrum Analyzer Spectrum Analyzer
Product Spectrum Analyzer
Developer Seven Phases
Price (MSRP)
Free
Type / Tags Analyser / Monitor
Plug-in, App & Soundware Format(s)
Effect(s) 
Operating System Availability
Operating
System
Latest
Version
Download Released
 
1.09-beta
 
Downloads Released
Miscellaneous Information
Copy ProtectionNone
MIT

Spectrum Analyzer is a real-time spectrum analysis VST plugin. The idea was to create an old-fashioned tool reminiscent of classic hardware analyzers of the earlier centuries. Unlike most of other analyzers available these days, this plugin is not FFT-based but utilizes a filter-bank algorithms that mould its unique pros and cons.

Features:

  • 1/3, 1/4 or 1/6 octave mode (30, 40 or 60 bands respectively).
  • Simultaneous peak, peak-hold and average (RMS) display.
  • Bar, Curve and Curve Fill modes.
  • Entirely adjustable ballistics.
  • Unrestrictedly resizable display window.
  • Customizable colors.
  • Supports any sample rate.
Latest User Reviews Average user rating of 4.00 from 1 review

Reviewed By brok landers
September 7, 2015

there are several analyser plugins on the market, most of them with a quite wider feature palette than the seven phases analyser. however, thisone here shows clearly, that the count of features doesn't play a such significant role, if developed wisely.

other than the most analysers in the plugin realm, this plugin doesn't use typical fft algorithms, which traditionally have 2 main drawbacks:
1. the frequency resolution depends on your CPU power, and the bass range, which is clearly the most important range, doesn't give you a detailled resolution to readout, exept, when you use a very high fft resolution and max out your cpu.

2. fft analysers have a so called "window" for the resolution, which determines the speed of the graphical response in amplitude. in other words - you cannot specify attack independent from release times - you alter the overall response.

the seven phases analyser is based on specialized bandpasses rather than on fft, which drastically overcomes the above mentioned problems (in fact i don't really understand, why fft is still being used for creating analysers). the attack is pretty instant, and the release time is adjustable, which makes it possible to accurately set up the analysers amplitude response to the need determined by the level structure of the input signal.

furthermore, the seven phases analyser is pink noise > flat weighted, which visually corresponds way more to the perception of the human ear, as well as this weighting spares a lot of low level headroom. in a white noise > flat weighting, often you have to set the headroom very low in level, to correctly see what is going on in the mid/high-mid/high frequency range, while the low content pretty much blows the window. so pink noise flat, at least for musical approaches like mixing/mastering/sounddesigning is the best choice.

the great thing doesn't stop here, though. you can freely resize the plugin window, you can show/edit the view of average measurement as well as peak measurement, adjust the peak hold length, set up the level range (max and min) as well as the count of bands in 3, 4 or 6 bands per octave (64 bands !!), set up an approximation curve, and set the grid to decades or octaves. furthermore you can edit the colours of mostly ever aspect this analyser offers (which can be stored in profiles or within the plugin preset) and what sometimes comes over like toyish, soon turns out to be godsent in this case.

i've tried _all_ analysers i could get my hands on in VST land, since years. and there are some good ones. but this one made my day since it saw the light of day. recently it was updated to 64-bit, and some changes towards the even better have been done, so it is ready for the future. and here comes the greatest fact of all - it is completely free (at least up to the time i was writing this review).

for someone who is not purely scientific, but needs an analyser that does its job in a real-world mixing/mastering/sounddesigning scenario, this one is imo one of the best, if not even the best choice by the time i'm writing this. i gave it a 9 out of 10 - but only because this thing screams for more bands (128 up to 256 would be a hammer), an easy built-in peak/rms meter as well as for an easy correlation meter. but the absence of those features don't really lower the value of this plugin.

there's quite some unnecessary stuff on the oversaturated plugin market these days - but if there' s very few plugins that i use all the time and that will stay in my projects as if they were host-internal, then this one is one of these rare ones - it' s fixed in my default song of every VST capable host i own, and i wouldn't want to do without this plugin since it was released. imo a must have for everyone who is serious about the stuff he does.

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Discussion

Discussion

Discussion: Active
djvision
djvision
12 May 2013 at 6:11am

Very customizable and works under Wine on Linux. My favorite, practical analyzer.

THIS POST HAS BEEN REMOVED

THIS POST HAS BEEN REMOVED

murnau
murnau
8 September 2015 at 6:39pm

This guy should make it payware.

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Spectrum Analyzer

Average user rating of 4.00 from 1 review

Seven Phases
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