Home Audio, Networks, Practical Electronics, and New Listening Perspectives in audioXpress September 2025

Read the report of the High End 2025 show in Munich, the latest report about Connected Home Audio and Home Theater, and Gary Eickmeier's thought-provoking perspective on An Image Model Theory for Stereo. Learn about Phase Delay, Group Delay, and Circuit Sensitivity Basics, the Dante Virtual Soundcard Pro software, the Universal Audio Apollo x16D audio interface, and the essentials about Audio-Speech Processing and Microphone Arrays. Tom Perazella designed a filter for a SMPS, and Richard Honeycutt explores options to build a tube guitar amp.

audioXpress June 2023 combines must-read articles on Automotive Audio, essential knowledge, cutting-edge R&D, practical build projects and much more. Learn about the latest innovations and sound design for Electric Vehicles. Read about DSP tuning in automotive audio. Learn about Audioscenic's extraordinary journey in 3D audio beamforming technology, build a new signal amplifier and processor for the ACH-01 Accelerometer, and much more.

This short article by Chris Struck (CJS Labs) is mainly focused on the definition and interpretation of phase, helping to make sense of complex data. This reference article is an expanded version of a previous Lab Note published by CJS Labs, and is certainly a great summary of essential knowledge in speaker design. This article was originally published in Voice Coil, December 2020.

In this article series, Andy Lewis explores the generation of Back EMF in the region of a loudspeaker’s resonance. In this second article of the four-part series, he performs simple “thought experiments” to make qualitative observations about the activity of a moving-coil driver in the region of its resonance. This article was originally published in audioXpress, June 2018