Loudspeaker Knowledge and Resources in Voice Coil May 2024

Loudspeaker Knowledge and Resources in Voice Coil May 2024
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audioXpress May 2024 Glass Audio Special Issue Now Available

audioXpress May 2024 Glass Audio Special Issue Now Available
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The Audio Voice - Weekly Newsletter for audioXpress and Voice Coil Communities

The Audio Voice - Weekly Newsletter for audioXpress and Voice Coil Communities
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Advertise in the Loudspeaker Industry Sourcebook 2024!

Advertise in the Loudspeaker Industry Sourcebook 2024!
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Alcons Introduces Wide Dispersion LR24/120 Pro-Ribbon Line-Array Elements
by audioXpress Staff

Alcons Introduces Wide Dispersion LR24/120 Pro-Ribbon Line-Array Elements

Over several years, Alcons Audio has been building its L-series of pro-ribbon line array modules into a comprehensive range to bring hi-fidelity sound quality at concert sound pressure levels to any size of indoor or outdoor venue. The latest LR24/120 mid-size line array is an important extra tool for medium to larger Pro-Ribbon applications. As with the rest of the range, this new line-array element offers precise horizontal and vertical projection control.
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Airoha Confirms Bluetooth LE Audio Certification. Chips to Be Available H1 2023
by Joao Martins

Airoha Confirms Bluetooth LE Audio Certification. Chips to Be Available H1 2023

Taiwan-based Airoha Technology announced that its new series of Bluetooth audio chips have successfully completed the latest Bluetooth Low Energy Audio Qualification Process and will be "widely available" to manufacturers in the first half of 2023. Airoha is one of the most important suppliers of chips for true wireless earbuds and the LE Audio certification is also an important R&D achievement for its Bluetooth audio R&D team consisted of hundreds of engineers.
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AES New York 2022 Convention - Full Tech Program and Event Details Announced
by Audio Engineering_Society

AES New York 2022 Convention - Full Tech Program and Event Details Announced

The Audio Engineering Society confirms that full details are now online for the in-person All Access Technical Program for October’s eagerly-anticipated AES New York 2022 Convention. The 153rd AES New York 2022 Convention takes place as usual at the Jacob Javits Center, October 19–20, with pre-and post-show activities on the 18th and 21st, followed by an online component, October 26–27. The convention will be again co-located with the NAB Show New York
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    1MORE Introduces SonoFlow Bluetooth ANC Headphones
    by Joao Martins

    1MORE Introduces SonoFlow Bluetooth ANC Headphones

    The new 1MORE SonoFlow ANC headphones enter a competitive market segment with a product positioned at the top of the scale but at an entry-level price. Not only the SonoFlow headphones feature hybrid active noise cancellation, they also support LDAC for High-Resolution Wireless Audio over Bluetooth 5 to match the fast-response of the ultra-low mass carbon-coated 40mm diaphragms. Plus, the SonoFlow last for 70-hours and offer the ability to fast charge the headphones in 5-minutes to gain 5-hours of continuous playback via USB-C.
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    Focal New Edition Utopia Are The Ultimate Hi-Fi Headphones
    by Joao Martins

    Focal New Edition Utopia Are The Ultimate Hi-Fi Headphones

    In 2016, Focal introduced the Utopia headphones as the world’s first beryllium headphones, reflecting the company's experience in its range of ultra-premium speakers. It also signaled the opening of a brand new headphone manufacturing facility, which allowed Focal to create this new reference product. In 2020, Focal refreshed the headphones' packaging and accessories. Now, Focal is introducing the Focal Utopia 2022 Edition, an evolution in terms of acoustics, design and aesthetics.
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    Silicon Labs Extends Portfolio for Matter and Wi-Fi at Developer Conference
    by Joao Martins

    Silicon Labs Extends Portfolio for Matter and Wi-Fi at Developer Conference

    Silicon Labs announced a slate of new multiprotocol connectivity products that are driven by interoperability, advancing innovations in the Internet of Things and Smart Home, including Matter and Wi-Fi 6. Standing out among the announcements is the new low power SiWx917 Wi-Fi 6 and Bluetooth LE combination SoC that Silicon Labs says is Matter-ready. The SoC includes an integrated applications processor, and is ideal for battery-powered or energy-efficient connected devices with always-on cloud connectivity.
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    Audio Industry Survey Reveals Trends and Concerns in Audio Archiving
    by Audio Engineering_Society

    Audio Industry Survey Reveals Trends and Concerns in Audio Archiving

    Based on key topics raised during an Iron Mountain Entertainment Services (IMES) and Recording Academy Producers & Engineers Wing (P&E Wing) co-hosted 2021 summit “Protecting Legacies: The Art, Science and Value of Music Archives,” IMES, the P&E Wing and the Audio Engineering Society (AES) developed a survey to assess current practices and challenges in audio archiving. The survey was sent to approximately 4,000 members of the P&E Wing and 11,000 members of the AES.
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    R&D Stories: Acoustic Diffusion Research
    by Norman Varney

    R&D Stories: Acoustic Diffusion Research

    This article offers a valuable inside perspective about developing new diffuser solutions, and lessons learned while designing countless critical listening rooms around the world. A journey that lead to the creation of the PolyFlex diffuser, which will scatter either horizontally or vertically, depending on the orientation, and improve clarity in speech and spatial focus without making a room sound dead and/or small. The author was actively involved in multiple acoustics standards committees, including for testing procedures.
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    Test Bench: Celestion CDX1-1412 Compact 1" Pro Sound Compression Driver
    by Vance Dickason

    Test Bench: Celestion CDX1-1412 Compact 1" Pro Sound Compression Driver

    The Celestion CDX1-1412 Compression Driver is a compact 1" unit intended for professional audio applications, a traditional segment for the UK-based OEM manufacturer. This compression driver features a FEA-optimized neodymium ring magnet motor structure, a nominal power handling of 35W, a 2kHz recommended crossover frequency (with a minimum 12dB/octave high-pass network), and 106dB sensitivity (1W/1m) measured with its own 1" H1-9050 90°x50° constant directivity horn. This article was originally published in Voice Coil, June 2022.
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    AKM AK4499EX and AK4191 Flagship D/A Converter Solution Enters Production
    by Joao Martins

    AKM AK4499EX and AK4191 Flagship D/A Converter Solution Enters Production

    As anticipated, Asahi Kasei Microdevices Corporation (AKM) has released to production the new flagship stereo D/A converter (DAC), the Velvet Sound Verita AK4499EX, showcased at the High End Munich show in May 2022. Alongside the AK4499EX, AKM has also released the AK4191 Digital Filter and ΔΣ Modulator, completing a two-chip solution that makes it easy to improve performance with completely independent digital and analog circuitry.
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