Spek ~ Acoustic Spectrum Analyzer


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.

Features:

  • Supports all popular lossy and lossless audio file formats thanks to the FFmpeg libraries.
  • Ultra-fast signal processing, uses multiple threads to further speed up the analysis.
  • Shows the codec name and the audio signal parameters.
  • Allows to save the spectrogram as an image file.
  • Drag-and-drop support; associates with common audio file formats.
  • Auto-fitting time, frequency and spectral density rulers.
  • Adjustable spectral density range.
  • Translated into 19 languages.

spek

http://spek.cc/
https://github.com/alexkay/spek

Foobar2000 ~ Columns User Interface (CUI)


 

Columns UI is an alternative skinnable user interface for the Foobar2000 audio player.

  • Playlist view with columns, grouping and artwork
  • In-line metadata editing
  • Customizable layout through interchangeable panel and toolbar components
  • Built-in panels: playlist view, artwork view, filter, item details, item properties, playlist list, playlist tabs, tab stack
  • Built-in toolbars: menu, buttons, seekbar, playback order, volume, spectrum analyzer
  • Extensible through official and third-party panel and toolbar components

Website
Documentation
Hydrogen Audio Forum

CUI Specific Components:
https://github.com/Chocobo1/foo_uie_output_switcher

StereoTool ~ Analysis & Imaging Tool


The Complete Stereo Imaging And Analysis Tool. StereoTool offers ultra-precise control of input gain and individual pan for left and right channels, accurate visual feedback reflecting the signal content with; a vectorscope, PPM meters for inputs/outputs, phase correlation meter permanently monitoring the signal and individual left and right polarity reversal – No dongle or registration required – 100% Freeware!

stereotool-v3-full

https://www.flux.audio/project/stereo-tool-v3/

projectM ~ MilkDrop Compatible Music Visualizer


projectM is an OpenGL based advanced music visualization program for Linux, Mac OSX, and Windows. It is backward compatible with all the features of Milkdrop 1.x (and now 2.x), but has many new toys and enhancements.

projectM

https://sourceforge.net/projects/projectm/

Spectralissime ~ The Spectrum Analyzer


Spetralissime is a standalone Spectrum Analyzer application based on high precision band pass filter bank, more adapted to the human audition. Spectralissime gives a more consistent spectrum analysis and allows better understanding of any audio phenomena thanks to its constant precision, from 20 Hz to 20 kHz.

SpectralissimeScreenShot

Website

Soundgrain ~ Granular Sound Synthesis


Soundgrain is a graphical interface where users can draw and edit trajectories to control granular sound synthesis. Soundgrain is written with Python/WxPython and uses Pyo as its audio engine.

Soundgrain_screenshot

Website