With this editor you can graphically edit an equalizer filter and apply it to songs in real time. You can also apply the filter to an entire song and download a WAVE file with the filtered song. Check out the live sample on my website: http://carlosrafaelgn.com.br/GraphicalFilterEditor/
This project uses [Web Audio API], [File API] and [Web Worker API] and requires a [compliant browser] to run properly. In [Firefox 23 and 24], Web Audio API must be enabled using about:config. : http://www.w3.org/TR/webaudio/ : http://www.w3.org/TR/FileAPI/ : http://www.w3.org/TR/workers/ : http://caniuse.com/audio-api : https://wiki.mozilla.org/WebAudio_API_Rollout_Status
If running this sample locally, Chrome must be started with the command-line option --allow-file-access-from-files otherwise you will not be able to load any files!
This projected is licensed under the terms of the FreeBSD License. See LICENSE.txt for more details.