Modulate raises Series A to fight online toxicity with voice technology

A Cambridge company that turned its voice modulator into a tool to fight online toxicity has raised a $30 million Series A round of venture capital.  The investment round in Modulate Inc. was led by Lakestar with participation from existing investors Everblue Esports, Hyperplane Management and others. Modulate was founded in 2017 by MIT grads Carter Huffman and Mike Pappas. Huffman was previously a technologist at NASA's Jet Propulsion Laboratory and a software engineer at Dimensional Insight.…