The Latest in Wireless Earbuds and Hearables Innovations in audioXpress April 2025

audioXpress April 2025 is now available and includes a comprehensive Market Update on Wireless Earbuds and Hearables, covering AI, Sensors, how Wi-Fi streaming is possible in headphones, and more. René Christensen explains Expansion Techniques for Acoustical Engineering, Ethan Winer writes about Built-In Guitar Effects, and Vincent Thiernesse shares his incredible single control Low-Frequency Hybrid Crossover. Don't miss also Paul Marchese's Primer on Class-D Amplifiers, and Richard Honeycutt's article on Silvertone guitar amp circuits.

Detailing a different perspective on signal processing, Stefan Liebich and Johannes Fabry bring us the story of how Elevear is exploring what is possible with Active Noise Cancellation (ANC). Offering a great overview about how signal processing works for ANC and transparency in true wireless earbuds, the two Elevear technical minds share their perspective on how the technology roadmap is taking us in exciting directions.

This November 2024 issue of audioXpress explores perspectives on signal processing, and sound reproduction. Read a review of the PSI Audio AVAA C214 digital active bass absorber, learn about the exciting possibilities of Audioscenic's Amphi Technology and how to explore the Boundaries of Active Noise Cancellation. J. Martins interviews Andreas Ehret from Dolby Laboratories. Expanding on speakers, we explore Field Coil speaker drivers, Non-Linear Amplitude Modulation distortion and more.

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....