All items tagged with reference design (67)

Enabling Lossless Spatial Audio in Wireless Headphones Using Integrated Wi-Fi

November 13, 2024 by Joao Martins

Enabling Lossless Spatial Audio in Wireless Headphones Using Integrated Wi-Fi

InnoPhase IoT, a semiconductor company specializing in ultra-low power Wi-Fi, and GreenWaves Technologies, the company pioneering ultra-low power AI and DSP processors for hearables and connected devices, announced the development of a lossless audio reference design for Wi-Fi headphones. In collaboration with Danish pioneer IDUN Audio, InnoPhase and GreenWaves have created a platform that enables Spatial Audio for hearables and headphones with extended range and long battery life.

A2B Audio Bus: Two Alternative Power Schemes

October 23, 2024 by Brewster LaMacchia

A2B Audio Bus: Two Alternative Power Schemes

In the second article about the latest generation A2B technology from Analog Devices - expanded with the release of the AD2437 chip - Brewster LaMacchia explores the latest possibilities for audio applications in many other areas other than automotive audio. After reviewing the three generations of A2B technology, LaMacchia expands on the alternative power schemes that deserve some investigation for multichannel digital audio applications. This article was originally published in audioXpress, August 2024.

AMPACS Announces Industry's First 2-Way Over-Ear Headphone Reference Design Based on xMEMS MEMS Speakers

July 23, 2024 by Joao Martins

AMPACS Announces Industry's First 2-Way Over-Ear Headphone Reference Design Based on xMEMS MEMS Speakers

Furthering the integration of solid-state microspeakers in over-the-ear headphones, global ODM/OEM AMPACS announced a turnkey 2-way headphone solution designed in collaboration with MEMS pioneer xMEMS Labs. The patented 2-way module architecture improves spatial audio accuracy and reduces weight, among other benefits versus conventional single-driver architectures. Pre-production prototypes are ready now, and the production-ready solution will be available in September 2024.

Arendi Launches Nordic-Powered Auracast TV Streamer

July 16, 2024 by Joao Martins

Arendi Launches Nordic-Powered Auracast TV Streamer

Swiss embedded electronics designer, Arendi, has unveiled a Bluetooth LE Audio and Auracast broadcast audio TV streamer. The Arendi Auracast TV Streamer employs Nordic Semiconductor's dual core nRF5340 SoC and nRF21540 RF front-end module (FEM) to deliver low power, long range, reliable wireless connectivity with improved audio quality. The streamer provides stereo audio to both Bluetooth LE Audio or Auracast-enabled headphones, speakers, or hearing aids.

New EPC High-Power GaN-Based Class-D Audio Reference Design Now Available

May 17, 2024 by Joao Martins

New EPC High-Power GaN-Based Class-D Audio Reference Design Now Available

Encouraging developers to design high-performance Class-D audio amplifiers leveraging GaN FETs, EPC has launched the new EPC9192 reference design enabling high power and high efficiency Class-D audio amplifiers in a modular design that is ideal for customization. The EPC9192 showcases the high performance capabilities of EPC's 200V, EPC2307 eGaN FETs in a ground-referenced, split dual supply Single-Ended (SE) design, delivering an impressive 700W per channel into a 4Ω load.

Audinate Launches Versatile Dante Pro S1 System-on-a-Chip

January 25, 2024 by Joao Martins

Audinate Launches Versatile Dante Pro S1 System-on-a-Chip

Audinate, the developer of Dante professional audio networking technology, announced Dante Pro S1, a compact and cost-effective system-on-a-chip (SoC) for professional equipment manufacturers. The compact and power-efficient SoC solution was designed to integrate Dante audio in low channel count devices such as microphones, conferencing systems, powered speakers, or AV plates, with scalability for future feature enhancements.

xMEMS Labs Showcases Sleep Buds Reference Design with Active Venting at CES 2024

January 18, 2024 by Joao Martins

xMEMS Labs Showcases Sleep Buds Reference Design with Active Venting at CES 2024

During CES 2024, xMEMS Labs unveiled an innovative reference design for the fast-growing sleep buds product segment. The MEMS pioneer had a lot to show at CES and the creation of reference designs using the companies new MEMS drivers speaks volumes as to the way the market is enthusiastically embracing the technology. The new reference design leverages xMEMS' solid-state Cowell drivers and Skyline DynamicVent technologies to deliver a trifecta of noise blocking, noise-masking sound, and an industry-first vented mode for improved comfort.

Fresh From the Bench: Improving GaN with Digital Control

January 17, 2024 by Stuart Yaniger

Fresh From the Bench: Improving GaN with Digital Control

The AX5689 is an eight-channel audio amplifier controller IC with digital inputs and CMOS level PWM outputs, enabling high-order digital control loops with post-filter feedback. This article, originally published in audioXpress, December 2023, reviews the Axign and GaN Systems Class-D audio amplifier reference design board, intended to demonstrate the benefits of Axign's digital controllers and its unique approach.

Newauro Brings Smart Speakers Into the Immersive Audio Domain at CES 2024

January 4, 2024 by Joao Martins

Newauro Brings Smart Speakers Into the Immersive Audio Domain at CES 2024

In July 2022, the Saffelberg Investment group acquired all assets, teams and rights of AURO-3D and founded a new company, Newauro, with the intention to further support the growth of the format and technology suite across all markets. Based in Belgium like the original Auro Technologies company, Newauro announced that it's collaborating with Eastech to demonstrate its latest AURO-Scene virtual immersive audio technology at CES 2024.

Fresh From the Bench: Knowles KN2 True Wireless Reference Design and Franklin 2 Developer Kit

October 12, 2023 by Brent Butterworth

Fresh From the Bench: Knowles KN2 True Wireless Reference Design and Franklin 2 Developer Kit

In this valuable review for product developers, Brent Butterworth shares what he learned about two evaluation solutions intended for designers of true wireless earbuds, the fastest growing product category in the audio industry. With this reference design and developer kit, Knowles made it easier for companies to add sophisticated true wireless earphones to their lines — whether they develop their own design or adopt one that’s ready to go. audioXpress tried out both options.

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