Vocal Tract Length

This small Sinatra application provides the frontend for users to record their voice in order to calculate the length of their vocal tract.

See it in action at: http://maxwellholder.com/vocal_tract_length/index.html

Backend

To see the Praat script and the Sinatra extension that provides the /extract_formant1 route, see the sinatra-praat project.

How to Run

  1. Install a recent version of Ruby
  2. Install Praat and add it to your $PATH
  3. Clone the project: git clone https://github.com/mxhold/vocal_tract_length
  4. Run bundle install
  5. Run rackup
  6. It should be running at http://localhost:9292/vocal_tract_length/index.html