Graphical visualizer for spectralyze by Lauchmelder23

Overview

spectralyze visualizer

Graphical visualizer for spectralyze by Lauchmelder23

Install

Install matplotlib and ffmpeg. Put ffmpeg.exe in same folder as visualize.py for Windows installations.

For best results, use the spectralyze file for Windows available in the most recent release in this repository.

Usage

Most flags are experimental and may result in a less than ideal end result.

Use python visualizer.py -h for more up to date information.

usage: 
visualize.py json audio [-h] [-x min max] [-y min max] [-d dpi] [-w] [-f fps] 
[-t] [-l] [-b] [-c color] [-th dark/light] [-n] 

Spectrum video file generator

positional arguments:
  json            Spectrum JSON file
  audio           Audio file (mp3 or wav)

optional arguments:
  -h, --help      show this help message and exit
  -x min max      x-axis range (default auto)
  -y min max      y-axis range (default auto)
  -d dpi          DPI of the output video (default 100)
  -w              Changes ratio to 16:9 (default 4:3)
  -f fps          FPS of the output video (default 20) (FPS * spectralyze intervals (-i) = 1000)
  -t              Hides plot title
  -l              Hides plot labels
  -b              Hides borders and ticks
  -c color        Color of plot lines (default dependant on theme)
  -th dark/light  Graph theme (default dark)
  -n float        Attempts to remove low, messy magnitudes for a cleaner noise floor with more defined notes (highly experimental)

Match the -f FPS in visualizer with the -i interval flag in spectralyze so that FPS * interval = 1000ms (i.e. 20FPS * 50 = 1000). Failure to do so will result in unsynced audio and video.

Examples

Starting out, I recommend using the following set of commands.

visualizer

python visualize.py file.json file.mp3 -d 100 -f 20 -w -t -l -b

spectralyze

spectralyze.exe -i 50 -p 3 file.wav
spectralyze.exe -i 50 file.wav

Finished results

python visualize.py Tetris.json Tetris.mp3 -d 300 -f 20 -x 0 1000 -y -1.01 1.01 -n 0.25 -c purple -w -t -l -b
final_Tetris.mp4
python visualize.py Tetris.json Tetris.mp3 -d 300 -f 20 -x 0 1000 -w -t -l -b -c purple
final_Tetris.mp4

(don't have the command for the one below)

final_tea.mp4

Credits

mpsparrow

Lauchmelder23

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