Required programs: soundtouch lame mplayer youtube-dl (python lib), tested with version 2016.01.09 mediainfo mpg123 (for flv videos) faad2 (for mp4 videos) elasticsearch elasticsearch-analysis-morphology installation (for elasticsearch 1.2.1): $ sudo elasticsearch-plugin -install analysis-morphology -url http://dl.bintray.com/content/imotov/elasticsearch-plugins/org/elasticsearch/elasticsearch-analysis-morphology/1.2.0/elasticsearch-analysis-morphology-1.2.0.zip