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Sonify

Data sonification tools

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What Sonify is

Sonify is a company working where audio, data and new technology meet. Its flagship product is TwoTone, an open-source web application that converts datasets into music without any programming, supporting MIDI export, and used in contexts ranging from classroom teaching to journalism and art projects.

What you can do with it

  • Convert a dataset into an audible piece
  • Export MIDI for further musical work
  • Present data through sound as well as charts
  • Use it in education or reporting
  • Explore sound design from real numbers

Who it is for

  • Educators teaching data literacy
  • Journalists experimenting with audio storytelling
  • Artists working with data

What to watch out for

  • Sonification is interpretive: mapping choices shape the story your data tells, so document them
  • Open source means you can inspect it, but also that support is community based
  • MIDI output from raw data is musical only after thoughtful mapping
  • Public-facing data sonification should state the parameters used, or listeners will misread the sound

Pros & cons

✓ What we like

  • Genuinely open source
  • Accessible without coding
  • Useful for teaching and reporting

! What to watch out for

  • Mapping choices drive the result
  • Community-level support
  • Musical quality depends on your input

FAQ

What is TwoTone?

An open-source web app from Sonify that converts datasets into music with MIDI output.

Do I need to code?

No. It is described as usable without programming experience.

Where is it used?

Education, journalism and artistic projects are named as typical contexts.

Last reviewed: 2026-09-18

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