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| Software | Description | OS | License | File Date | Comments | Power |
|---|---|---|---|---|---|---|
| Voxengo SPAN v2.6 | Real-time spectrum analyzer. [VST] | Windows | Freeware | 2013-09-05 | 0 | 90db |
| Voxengo SPAN 2.6 | Real-time spectrum analyzer. [VST/AU] | Mac | Freeware | 2013-09-05 | 2 | 80db |
| Graphic Equalizer Studio 2010 | Programmable 31 band Equalizer with thousands of configuration possibilities. Batch Restoration Tool for your MP3 files. DSP Normalization of Wave files. Integrated Compressor, Limiter and Enhancer | Windows | Shareware | 2010-09-15 | 167 | 80db |
| EchoFilter v3.01 | Digital audio filter and audio signal analyzer | Windows | Demo | 2003-06-01 | 1 | 75db |
| SignalScope Pro v3.05 | Multi-channel real-time analyzer and signal generator. | Mac | Demo | 2012-02-03 | 0 | 70db |
| Frequency Analyzer | Freeware FFT analysis program | Windows | Freeware | 2001-06-20 | 3 | 70db |
| Spectrum Analyzer pro Live 2010 | This sophisticated piece of software turns your computer into a modern, State-of-The-Art spectrum analyzer giving you features that go far beyond the possibilities of any stand-alone hardware unit. | Windows | Shareware | 2010-09-15 | 3 | 70db |
| Vintage Vocoder 1.0.3 build 1 | Want to make awesome robotic sounds like Daft-Punk, Kraftwerk, Vangellis, or Sparky the Magic Piano? [DX] | Windows | Free | 2010-03-02 | 7 | 70db |
| Audio Tuner v0.9 | Tune your guitar, ukulele or other musical instrument. | Windows | Freeware | 2008-07-24 | 1 | 70db |
| FFT Spectrum Analyser v2.70.4a Lite | FFT Spectrum Analyser | Windows | Shareware | 2001-06-01 | 32 | 65db |
| Sigview 1.9 | Analyzer for audio files or live input. | Windows | Shareware | 2004-02-26 | 6 | 65db |
| SignalScope Pro v2.4.2 | SignalScope Pro for iOS will turn your iPad or iPhone into a dynamic signal generator and analysis tool. | iPhone | Paid | 2013-03-13 | 0 | 65db |
| Sonogram Visible Speech v3.0 | Configurable Visual Sound Analyzer Program. | Windows | Free | 2010-04-06 | 1 | 65db |
| Fre(a)koscope 0.8 public beta | FFT-based real-time spectrum analyzer. [VST] | Windows | Freeware | 2005-03-26 | 4 | 60db |
| Freq 5.1 | Spectrum analyzer | Linux | Freeware | 1997-10-23 | 4 | 60db |
| Sonogram Visible Speech v3.0 | Configurable Visual Sound Analyzer Program | Mac | Free | 2010-04-06 | 2 | 60db |
| Audio Kit 1.6 | Real time Spectrum Analyser, a Scope to display waveforms, an SPL (Sound Pressure Level) Meter, and a Signal Generator | iPhone | Paid | 2012-03-21 | 0 | 60db |
| SpectraScope | A spectrum analyzer for the professional audio engineer or hi-fi enthusiast | Windows | Shareware | 2002-10-05 | 3 | 55db |
| FFT Analyzer 1.b02 | View audio signals in a frequency display | Mac | Freeware | 2001-12-01 | 0 | 55db |
| Synaesthesia v2.4 | A program that represents music graphically in real time as coruscating field of fog and glowing lines | Linux | Freeware | 2008-03-10 | 3 | 55db |
| Sonogram Visible Speech v3.0 | Configurable Visual Sound Analse Program | Linux | Free | 2010-04-06 | 2 | 55db |
| Voxengo GlissEQ v3.7 | Dynamic equalizer with real-time interchannel spectrum overlays. [VST/AU] | Mac | Demo | 2013-03-08 | 0 | 55db |
| PAS Analysis Center v3.5 | Audio signal analysis utilities. | Windows | Demo | 2002-10-01 | 0 | 55db |
| Spectra1 v1.3.1.06 | Real-time standalone (stereo) spectrum analyzer. | Windows | Shareware | 2006-04-09 | 0 | 55db |
| Voxengo GlissEQ v3.7 | Dynamic equalizer with real-time interchannel spectrum overlays. [VST] | Windows | Demo | 2013-03-08 | 0 | 50db |
| Fre(a)koscope 0.8 public beta | FFT-based real-time spectrum analyzer. [VST] | Mac | Freeware | 2005-03-26 | 0 | 50db |
| AutoSignal 1.7 | Provides a vast array of spectral analysis procedures. | Windows | Demo | 2004-01-01 | 0 | 50db |
| UniScope 2.1 | Analyse sound and make Hi-Fi recording! | Windows | Shareware | 1 | 50db | |
| FScape v0.72 | Suite of experimental audio rendering algorithms. | Windows | Free | 2009-11-27 | 0 | 45db |
| DtBlkFx v1.1 | FFT based VST effect plug-in. [VST] | Windows | Freeware | 2008-04-15 | 0 | 45db |
