arirusso/d3-audio-spectrum — pull request #1 by tobozo (2014-09-07 12:35:08+00:00)
Title: Added Firefox compatibility

Tested under latest versions of Chrome and Firefox.
https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API/Porting_webkitAudioContext_code_to_standards_based_AudioContext