visualize

Reads stream from sound card and plots a waveform with matplotlib.

Installation

git clone https://github.com/pacyu/visualize.git
cd visualize
pip install -r requirements.txt
sudo apt-get install python3-tk

Usage

py run.py -h

output:

usage: Audio visualization [-h] [-e EFFECT] [-f FILENAME] [-r PLAYBACK_RATE]
                           [-p PAUSE]

optional arguments:
  -h, --help            show this help message and exit
  -e EFFECT, --effect EFFECT
                        visualization effect: 1d or 2d or 3d
  -f FILENAME, --filename FILENAME
                        play audio file
  -r PLAYBACK_RATE, --playback-rate PLAYBACK_RATE
                        Specify the playback rate.(e.g. 1.2)
  -p PAUSE, --pause PAUSE
                        Specify the delay time to play the animation.(unit
                        second)

e.g.

py run.py -e 1d

or

py run.py -e 2d

or

py run.py -e 3d

or

py run.py -e 1d -f "/path/xxx.mp3" -r 1.2

or

py run.py -e 2d -f "/path/xxx.mp3" -r 1.2

or

py run.py -e 3d -f "/path/xxx.mp3" -r 1.2

Parameters Description:

1. Select visualization style.
2. Audio file path.(output device mode only)
3. Playback rate.(output device mode only)
4. Delay time to play the animation.

Demo

bilibili

Screenshot