Hearables, Headphones Testing, Audio Electronics, and More in audioXpress April 2023

Want to understand what's ahead in the most revolutionary audio product category of the 21st century? Read the State of the Hearables Industry Market Update. And for product developers and manufacturers, there's also a Headphones Test and Measurement report. Burkhard Vogel discusses op-amp noise in simulated models, Bruce E. Gillingham offers a complete monoblock power amplifier project, and René Christensen writes about acoustic topology optimization. And so much more....

Cadence Design Systems announced the new Cadence Tensilica HiFi 1 DSP, delivering increased voice- and music-processing performance with optimal neural network capability in a compact footprint with ultra-low energy, improving the user experience and extending battery life. The Tensilica HiFi 1 DSP is now the smallest and lowest power member of the HiFi DSP family, developed for battery-constrained applications, such as mobile, hearables, wearables, automotive, and connected devices.

Cadence Design Systems announced the Cadence Tensilica HiFi 5 DSP for audio and voice, the company's first IP core optimized for high-performance far-field processing and artificial intelligence (AI)-based speech recognition processing. This fifth-generation HiFi DSP offers 2X audio processing and 4X neural network (NN) processing improvements versus the HiFi 4 DSP, making it ideal for voice-controlled user interfaces in digital home assistants and automotive infotainment.