The icon is a picture of the logo for Sonometer. The icon is a picture of what appears to be a chart right next to a meter for the given chart. The meter shows very spurratic activity throughout.
This Sonometer icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,700 icons, all in the same style and quality.