mikrolax / loudnessplotter

Analyse wav file loudness and plot graph in html

#loudnessPlotter

---

Analyse wave file loudness and plot graph in html.loudnessPlotter is based on ebu_r128 lib writen in C by radionova labs. Original source code is provided. Application is portable, i.e. can run off a USB key for instance. See website for more information.

Download

#####Using git

cd /home/user/mypath
git clone https://github.com/mikrolax/loudnessPlotter.git

#####Manual Download
Zip downlod on Github

Basic Usage

Make sure you have the wave_analyze programm for your platform! See documentation for more information about usage, option, template etc...

Windows

Binaries are provided, simply open the command line and type:

loudnessPlotter.exe [file.wav or folder] [ouputfolder]

From python (all platform)

As a script:

python loudness.py /path/to/folder/or/wavefile

As a module:

import loudness
loudness.LoudnessPlotter(wavfilelist,outpath).process() #analyse and write HTML with plot

###What it does

Generate a single HTML page (which itself load some javascript from the web): launches wav_analyze executable, get its output, and convert it into an HTML plot.

If you specifie a folder, all .wav under this folder will be analysed, output HTML file name will be : loudness.html
If you specifie a wav file i.e. wavfilename.wav, output HTML file name will be : wavfilename.html

##Credits radionova labs for providing this lib and wave_analyze example under GNU GPL. JQuery, the well-known javascript library
flot an attactive javascript plotting for JQuery
Bootstrap the famous CSS/JS framework from Twitter.

##License GNU GPLv3

---

###### Normatives, references [[1](https://en.wikipedia.org/wiki/Loudness)] Wikipedia page for loudness [[2](https://en.wikipedia.org/wiki/Loudness_monitoring)] Wikipedia page for loudness monitoring [[3](http://tech.ebu.ch/loudness)] EBU R128 website [[4](http://www.itu.int/rec/R-REC-BS.1770/en)] ITU R-REC-BS.1770 on ITU website [[5](http://labs.radionova.no/2011/01/07/ebu-r128-library/)] radionovas original ebu_r128 lib links