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Quaver is a musical calculator and look-up tool for recording engineers and composers. It can calculate the delay times and oscillator frequencies that match a given tempo to help keep things in sync. Its pitch tool can tell you the fundamental frequency of any note in the MIDI range -- or perform the reverse calculation. Finally, the scale tool can tell you the notes that make up a given scale and draw the key signature.

What's New

Version 1.4:
  • You can now use a MIDI device to tap tempo.


  • OS X 10.6 or later

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Quaver User Discussion


Current Version (1.x)


Downloads 171
Version Downloads 55
License Commercial
Date 19 Oct 2016
Platform OS X / Intel 32
Price $0.99
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