All items tagged with João Martins (14)

The 2023 Loudspeaker Industry Sourcebook (LIS) Edition is Now Available!

June 9, 2023 by audioXpress Staff

The 2023 Loudspeaker Industry Sourcebook (LIS) Edition is Now Available!

We say that every year, but the 2023 edition of the Loudspeaker Industry Sourcebook (LIS) is the best ever! In this issue, we included not only the latest updated listings of key audio industry suppliers, vendors and service providers, but we also offer an updated overview of the state of the loudspeaker industry. And that includes guest features covering WiSA wireless audio, A2B, AES70, and Ultra Wide Band (UWB) and much more vital topics.

audioXpress February 2023 Now Available! What Do You Want to Hear?

January 12, 2023 by audioXpress Staff

audioXpress February 2023 Now Available! What Do You Want to Hear?

audioXpress February 2023 focuses on the small devices in the increasingly larger market of MEMS Microphones and Voice Pickup Sensors. The Market Update on this topic is complemented by Erica Yorga's article on the principles of Nureva's Unified Coverage Map. Ethan Winer offers the first of a primer on modern PC board design, there's a review of the Arylic Audio Up2Stream Amp V4 board, an inside story on how Crestron adopted AES67, and a High-Performance Tube Hybrid Preamp DIY project.

Acoustics and Great Audio Electronics in audioXpress August 2022

July 12, 2022 by audioXpress Staff

Acoustics and Great Audio Electronics in audioXpress August 2022

The August 2022 issue of audioXpress, Acoustics Focus, gives a unique overview of market trends in acoustical products, with great articles on Acoustic Diffusion, Distributed Subwoofers for Room Modes, and Reverberation Control and Measurement. Michel Nieuwenhuizen proposes an improved microphone preamp for condenser microphones, Aren van Waarde builds a minimalist preamp using only discrete transistors, and Ethan Winer shares circuits for VCA and VCF analog synthesizer modules.

The Audio Measurement Issue! audioXpress March 2022 is Now Available

February 11, 2022 by audioXpress Staff

The Audio Measurement Issue! audioXpress March 2022 is Now Available

audioXpress March 2022 features an extensive Market Update report on the latest audio test and measurement tools. Matt Taylor explains the possibilities of REST for automated test and measurement, and Joe Begin (Audio Precision) addresses testing multichannel MEMS microphone arrays. The KEF KC62 subwoofer is reviewed by Oliver Masciarotte and measured by Kent Peterson, and Ben Chen explains how to use the Sfera Labs' Exo Sense Pi module as a sound meter. Download or read online now.

Explore Audio Amplifier Technology and Design in audioXpress July 2021

June 11, 2021 by audioXpress Staff

Explore Audio Amplifier Technology and Design in audioXpress July 2021

One of the strongest issues ever in terms of audio electronics and market insights, audioXpress July 2021 is now available. This edition includes a complete overview of Audio Amplifier Technology and Design and its many application segments. Start with a review of the NAD Electronics M33 Masters streaming amplifier, followed by a great new upgrade design for the legendary Hafler DH-220 lateral MOSFET power amplifier, and then dive into a new hybrid voltage source and current source amplifier design for loudspeakers.

New Digital Behaviors: A New Calendar for the Audio Industry

August 21, 2020 by Joao Martins

New Digital Behaviors: A New Calendar for the Audio Industry

With the ongoing Coronavirus pandemic effects, in the same way as many retailers' business and entire distribution models have been disrupted, consumer behavior changes are also affecting the manufacturers' calendars in general. The industry is no longer depending on massive industry events that in the past have determined important product launch and promotion cycles.

Essential Updates on Headphones, TWS, Hearables, Voice and More in audioXpress April 2020

March 9, 2020 by audioXpress Staff

Essential Updates on Headphones, TWS, Hearables, Voice and More in audioXpress April 2020

The April 2020 edition of audioXpress is now available and features two essential Market Updates, one focusing on the industry transition to active headphone and earphone designs, and another on how to leverage the latest voice capture and processing technologies. The issue also explains how to evaluate listening effort, and Stuart Yaniger puts the Linear Audio Autoranger Mk II Interface to the test, while Ed Simon writes about AC Power Rectification. Another issue to read and use as reference.

R&D Stories: Powersoft M-System, From Switched-Mode Amps to a Novel Transducer

September 21, 2016 by Joao Martins

R&D Stories: Powersoft M-System, From Switched-Mode Amps to a Novel Transducer

audioXpress September 2016 - Speaker Focus Edition - featured an extensive article discussing Powersoft's M-System, which combines the M-Force motor transducer and M-Drive switching-mode amp module, taking advantage of Differential Pressure Control (DPC) technology among several other innovations from the Italian company. Learn how Powersoft developed a new transducer technology, currently fully available to the OEM market and being applied to novel subwoofer designs, among several other application areas.

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Master Quality Authenticated (MQA): Redefining the Source for Music

August 30, 2016 by Joao Martins

Master Quality Authenticated (MQA): Redefining the Source for Music

Master Quality Authenticated (MQA) is a revolutionary end-to-end technology that captures and delivers master quality audio in a file that’s small enough to stream or download. Given that this is essential reading for anyone interested in following subsequent MQA-enabled product reviews that audioXpress intends to feature, we have decided to make the article available in its entirety. This article was originally published in audioXpress, June 2016.

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Audio Network Development: Developing Products Featuring AES67 Network Connectivity

May 11, 2016 by Joao Martins

Audio Network Development: Developing Products Featuring AES67 Network Connectivity

audioXpress continues to explore the options for audio networking development and implementation in new audio products, one of the most exciting technology developments this industry has seen in many years. Following Audinate’s Dante and RAVENNA, this article focuses on AES67 implementation, the high-performance streaming Audio-over-IP (AoIP) interoperability standard.

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