Spectral difference
• Blue vertical lines mark
automatically identified beat locations.
• Pink vertical lines are
human-identified beat locations.
• Notice relation between blue
lines and pink lines.
• Tempo Tracker plugin from
QUML C4DM uses same technique as Spectral Flux
• But called “Spectral
Difference”
• Onset or Difference function
not available as outputs from the plugin
• Only beat locations, shown
as blue lines: