A lead researcher behind OpenAI’s voice assistant has raised $40 million in funding from venture firm Andreessen Horowitz for a new artificial intelligence startup focused on helping people have better spoken conversations with computers. WaveForms AI, which launched Monday, is working on AI audio software to pick up on emotional cues and enable more seamless verbal interactions with machines, co-founder and chief executive officer Alexis Conneau told Bloomberg News. The seed funding values Wave...