| Software | Description | OS | License | File Date | Comments | Power |
|---|---|---|---|---|---|---|
| VA - Visual Analyser 2011 | Oscilloscope and Spectrum Analyser | Windows | Freeware | 2013-01-25 | 20 | 80db |
| Voxengo SPAN 2.10 | Real-time spectrum analyzer. [VST/AU] | Mac | Freeware | 2016-03-04 | 2 | 80db |
| Spectrum Analyzer v1.04 | Real-time spectrum analysis plugin. [VST] | Windows | Freeware | 2010-01-27 | 1 | 75db |
| Sonic Visualiser 2.5 | View and analyse the contents of music audio files. [Hosts VST Plugins] | Mac | Free | 2015-10-28 | 1 | 70db |
| Voxengo SPAN v2.10 | Real-time spectrum analyzer. [VST] | Windows | Freeware | 2016-03-04 | 0 | 70db |
| Freq 5.1 | Spectrum analyzer | Linux | Freeware | 1997-10-23 | 4 | 70db |
| Spek v0.8.2 | Acoustic Spectrum Analyser/Spectrogram Viewer. | Windows | Free | 2013-03-27 | 0 | 70db |
| Audio LAB | Osciloscope, spectrum analyzer and audio generator | Win 3.1 | Freeware | 2000-07-09 | 91 | 70db |
| SoundVision D51 | FREE Realtime Sound Analyzer | Mac | Freeware | 1997-08-18 | 9 | 70db |
| Sound Frequency Analyzer | Frequency Analyzer | Windows | Freeware | 2001-07-01 | 6 | 70db |
| Sonic Visualiser v2.5 | View and analyse the contents of music audio files. [Hosts VST Plugins] | Windows | Free | 2015-10-28 | 4 | 65db |
| Sonic Visualiser v2.5 | View and analyse the contents of music audio files. [Hosts VST Plugins] | Linux | Free | 2015-10-28 | 0 | 65db |
| Spek 0.8.2 | Acoustic Spectrum Analyser/Spectrogram Viewer | Linux | Free | 2013-03-27 | 0 | 65db |
| AudioXplorer v1.3.1 | Powerful sound analyzer software. | Mac | Free | 2006-09-24 | 3 | 65db |
| Spek v0.8.3 | Acoustic Spectrum Analyser/Spectrogram Viewer. | Mac | Free | 2013-03-27 | 0 | 65db |
| WaveTools | Draws spectrograms from WAV files | Windows | Freeware | 2001-09-08 | 5 | 65db |
| MultiInspectorFree v1.2.0 | 31 band spectral analyzer. [VST] | Windows | Freeware | 2009-03-06 | 1 | 65db |
| Blue Cat's FreqAnalyst 2.1 | Frequency spectrum analyzer. [VST/AU/ RTAS] | Mac | Freeware | 2014-01-20 | 0 | 65db |
| Baudline v1.03 | A real-time signal analysis tool and an offline time-frequency browser. | Linux | Freeware | 2006-08-03 | 0 | 65db |
| FFT Analyzer 1.b02 | View audio signals in a frequency display | Mac | Freeware | 2001-12-01 | 0 | 65db |
| bs-spectrum v1.3 | Spectrum analyzer. [VST] | Windows | Freeware | 2008-07-18 | 2 | 60db |
| Sonogram sg-1 v1.0 beta | VST sonogram plug-in. | Windows | Freeware | 2005-10-14 | 1 | 60db |
| Sonogram Visible Speech v3.0 | Configurable Visual Sound Analse Program | Linux | Free | 2010-04-06 | 2 | 60db |
| Audalyzer 1.15 | Spectrum Analyzer and dB Meter | Android | Free | 2011-08-22 | 0 | 60db |
| Frequency Analyzer | Freeware FFT analysis program | Windows | Freeware | 2001-06-20 | 3 | 60db |
| MultiInspectorFree v1.2.0 | 31 band spectral analyzer. [VST/AU] | Mac | Freeware | 2009-03-06 | 6 | 60db |
| Wtune v2.3.2.0 | Check the tuning of your voice/instrument, now with export to MIDI file. | Windows | Freeware | 2006-09-15 | 1 | 60db |
| SPEAR v0.7.3 | Audio analysis, editing and synthesis software. | Windows | Freeware | 2009-07-14 | 0 | 60db |
| bs-spectrum v1.3 | Spectrum analyzer. [VST/AU] | Mac | Freeware | 2008-07-18 | 0 | 60db |
| Fre(a)koscope 0.8 public beta | FFT-based real-time spectrum analyzer. [VST] | Windows | Freeware | 2005-03-26 | 4 | 60db |
Voxengo SPAN 2.0 – a freeware real-time “fast Fourier transform” audio spectrum analyzer plug-in for professional music and audio production applications – is now available for download.
The following features were added in SPAN version 2 since version 1:
- Multi-channel analysis
- Mid/side analysis
- Correlation meter
- Multi-platform support
- Undo/redo
- Preset manager
- User interface coloration
- User interface re-scaling
- Plug-in instance naming
Voxengo SPAN and other professional audio plug-ins can be downloaded at http://www.voxengo.com
Sonic Visualiser 2.5
See our Free Music Software category for more cool freebies!
Mac Frequency Analyzer
Audio-spectrum-analyzer free download. Spectrum The internet is full of communities that depend on community software to thrive and grow. Mac and Windows, with a. Audio Spectrum Analyzer app is a great application that is also installable on PC. The LengKeng Lab has developed it and, the popularity of Audio Spectrum Analyzer software is increasing awesomely. Download Audio Spectrum Analyzer for PC to install on Windows 10, 8, 7 32bit/64bit, even Mac. The weight of the apps is 2.6 MB.
Spek – Acoustic Spectrum Analyser. Spek (IPA: /spɛk/, ‘bacon’ in Dutch) helps to analyse your audio files by showing their spectrogram.Spek is free software available for Unix, Windows and Mac OS X.