FQLab
A spectral audio sandbox
 
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User Guide

Once you manage to start the app you will be greeted by a file browser.

File Browser

File Browser

At the top text field you can see the directory you are located in.

Simply use your mouse to navigate directories:

- Click the ".." icon at the top of the directory to go up
- Double click a directory to go inside

No need to worry about clicking the wrong file, when you select an invalid file you will get a quick error message after which you can continue.

Once you select a valid audio file (eg. **.mp3** or **.wav**) the window will change into play mode.

Play mode

Play Mode

The terminal is now split into 3 distinct parts.

  1. Graph View
    • The largest of the windows, displays a live frequency decomposition graph.
    • Pay attention to the legend at the bottom. There you can tell what frequency ranges are present the most at the moment.
  2. Control Panel
    • Sits under the graph. Offers various options to control the audio playback.
    • It features an Equalizer. Use +/- buttons to increase or decrease individual ranges.
    • Use pause/play to control the track or hit stop to abort playback and return to file select.
    • The slider under the above mentioned three buttons is used to change volume.
  3. Plugin List
    • The right side bar features a stack of all the detected plugins (if any).
    • Press the buttons on them to turn them on/off.
    • You can mix and match them however you like.

When playback is finished you automatically return to the file select.

Press Exit to quit the app.