trackanalyzer
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tfriedel
java command line tool for estimating musical key and bpm of digital recordings, to aid DJs in harmonic mixing.
TrackAnalyzer is a java based command line tool that estimates the musical key and bpm of digital recordings, to aid DJs in harmonic mixing. The key analyzer is a port of KeyFinder by Ibrahim Sha'ath (www.ibrahimshaath.co.uk/keyfinder). The bpm component is basically a modified version of Simon Dixon's BeatRoot. You also need these libraries: JAudioTagger - used for reading/writing tags of audio files jTransforms - fast fourier transforms Jave - ffmpeg wrapper Apache Math JCommander - command line parsing
You can use TrackAnalyzer like this: java -jar TrackAnalyzer.jar *.mp3 -w -o results.txt
BPM and key information will be calculated and written to the tags (KEY_START and BPM fields).
A current build of TrackAnalyzer can be downloaded at https://www.dropbox.com/s/gevfxcay5mvrv2e/TrackAnalyzer.zip?dl=0
TrackAnalyzer is licensed under the GPL, see gpl.txt.
Copyright 2012 Thomas Friedel.
tfriedel