# Welcome to the Highcharts Gantt JS (gantt) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

Feel free to search this API through the search bar or the navigation tree in the sidebar.

# plotOptions.xrange.sonification.contextTracks.mapping.tremolo.speed.min

The minimum value for the audio parameter. This is the lowest value the audio parameter will be mapped to.