https://github.com/ssrihari/ragavardhini
http://www.sangeethapriya.org/homepage.php
http://www.seventhstring.com/xscribe/overview.html
http://codingteam.net/project/scolily
Speech synthesis http://static.googleusercontent.com/media/research.google.com/en//pubs/archive/41539.pdf
https://scholar.google.co.in/scholar?as_ylo=2012&q=transcription+of+carnatic+music&hl=en&as_sdt=0,5
http://papers.nips.cc/paper/5432-unsupervised-transcription-of-piano-music.pdf
http://www.cp.jku.at/people/schedl/Research/Publications/pdf/boeck_schedl_icassp_2012.pdf