hmatch

hmatch is a command line that finds the closest drawbar positions to a recording on the Hammond organ. It does so by matching the frequencies of the drawbars to the frequency spectrum of the recording. The recording must be provided in wav format.

Finds best drawbar registration to a recording

        Example:
        hmatch fit audio.wav

Usage:
  hmatch fit <audiofile> [flags]

Flags:
  -h, --help                 help for fit
      --windowLength int32   Length of the Hann window used when calculating the frequency spectrum (default 1024)

Installation

go install github.com/davidkleiven/hmatch@latest

Acknowledgements

The program was written after reading the article The Science of Hammond Organ Drawbar Registration by Stefan Vorkoetter.

The standard registatrations available through the hmatch reg command are found at b3world.com