Among the companies benefiting from artificial intelligence (AI) entering the mainstream are semiconductor giants Broadcom (NASDAQ: AVGO) and Nvidia (NASDAQ: NVDA). As a result, Broadcom stock skyrocketed to a 52-week high of $186.

Looking for undervalued opportunities in the AI boom? Check out this trio of big AI winners that haven't popped up on Wall Street's radar screens yet.

US tech giant Nvidia is spreading its investments into smaller-cap AI companies, which will help promote the adoption of its products. This comes as demand for its graphics processing units (GPUs) is on an increase and projected to remain firm supported by continued adoption of the AI technology across sectors.

Nvidia on Monday showed a new artificial intelligence model for generating music and audio that can modify voices and generate novel sounds - technology aimed at the producers of music, films and video games.

"We wanted to create a model that understands and generates sound like humans do," said Rafael Valle, one of the researchers behind the project and a manager of applied audio research at NVIDIA. The company listed some possible real-world scenarios wherein Fugatto could be of use in its announcement.