The NPU in your phone keeps improving—why isn’t that making AI better?

Qualcomm devotes significant time during its new product unveilings to talk about its Hexagon NPUs. Keen observers may recall that this branding has been reused from the company’s line of digital signal processors (DSPs), and there’s a good reason for that.

“Our journey into AI processing started probably 15 or 20 years ago, wherein our first anchor point was looking at signal processing,” said Vinesh Sukumar, Qualcomm’s head of AI products. DSPs have a similar…