Improving the Transfer Function of Electrodynamic Loudspeakers
This article compares motion feedback technologies applied to speakers. A recognized expert in this field, Reinhold Lutz explores how to achieve a nearly perfect electro-acoustic transfer function, including a detailed control strategy of different types of sensors. A great exploration of how a closed-loop feedback system is able to improve loudspeaker linearity.
Patent Review: Multi-Layer Voice Coil Plate and Flat-Type Speaker Comprising the Same
In this patent review, James Croft (Croft Acoustical) looks closely at a new patent of a multilayer voice coil plate and a flat speaker including the same type of multilayer voice coil plate, granted to three inventors from South Korea, on behalf of ICUBES Co., Ltd., Gyeongi-do, Korea. Detailing multiple configurations of this interesting concept, this patent offers an interesting take on the quest for the realization of a high-performance, one way, full-range electrodynamic transducer.
Elytone Expands Parametric Monitoring and Control Capabilities for Dante Director
Elytone partnered with Audinate on the development of extended capabilities for Dante Director, focused on adding parametric monitoring and controls for Dante devices. At Infocomm 2024, Elytone has enabled basic amplifier monitoring on it's AMP-NAP-140C4 V2 Networked Amplifier as an early demonstration to gather input and establish partnerships with manufacturers to further develop and expand the Dante Director platform and potentially tie into other device management applications.
HEAD acoustics Announces ArtemiS SUITE Release 16
Since its inception, HEAD acoustics' ArtemiS SUITE has been a game changer for structural and acoustic analysis. The modular software platform for measuring and analyzing sound and vibration is a comprehensive solution for product and environmental noise optimization, combining powerful tools that allow users to master tasks with ease. HEAD acoustics now announced release 16, which improves test automation and standard testing routines, among many other enhancements.
Andover Announces SpeakEasy 4 Powered Speakers
Andover Audio launched the SpeakEasy 4, an easy-to-set-up, powered stereo speaker system with built-in phono preamp ($399/pair). For a company that launched its original business focused on the vinyl revival, it makes sense to also offer the company’s first separate speaker model that connects to a turntable, aside from also offering a host of digital and analog inputs, including HDMI ARC to connect to a TV and wireless Bluetooth.
NXP Advances AI Audio Processing with SAF9xxx Audio DSPs
NXP Semiconductors is improving AI audio capabilities in automotive infotainment and marking a significant improvement in automotive audio processing technology in general with the latest SAF9xxx family of audio DSPs. Utilizing Cadence’s latest generation high-performance Tensilica HiFi 5 DSPs, combined with dedicated neural-network engines, the SAF9xxx audio DSPs enable efficient implementation of next-generation, high-quality, self-learning audio and speech applications.
Digigram Releases New AES67 PCIe Sound Card
Digigram has announced the release of a new sound card, ALP-AES67, as part of its acclaimed ALP-X range, launched in 2022. Available through Digigram's extensive network of distributors, the new ALP-AES67 PCIe card reaches further with Ravenna and SMPTE ST-2110 compliance, expanding audio networking applications. According to the French audio manufacturer, this new ALP-AES67 card embeds Digigram's expertise in Audio-over-IP applications, and stands out as a powerful addition to the ALP-X range, offering enhanced capabilities for critical audio applications.
McIntosh Launches Updated MB25 Bluetooth 5 Transceiver
McIntosh Laboratory announced its new MB25 Bluetooth Transceiver, which supersedes the existing MB20 model. Streaming music directly from a computer, tablet or smartphone to a home audio system via Bluetooth offers unparalleled convenience, but McIntosh understand that its customers would like to have also a transmitter and receiver with the brand's logo, ensuring also the best possible sound quality. With the new MB25 Bluetooth Transceiver it is possible to integrate those wireless streaming capabilities into virtually any home audio system from any era, whether it includes McIntosh products or not.
Neutrik Introduces Improved Series of Stage-Ready Dante I/O Interfaces
With over 4000 Dante-enabled audio products available from more than 600 manufacturers, and over 1 million Dante units shipped in the year 2023, Dante technology is the de facto standard in audio-over-IP. Increasingly, Dante is used in mission-critical applications such as live performance, global touring and the major live broadcast events in the world. That's the reason why Neutrik recently expanded its range of Dante audio interfaces.
TDK Unveils New Material for Solid-State Batteries With 100-Times Higher Energy Density
TDK Corporation announced the successful development of a new material for next-generation solid-state batteries with an energy density of 1,000 Wh/L, or approximately 100 times greater than the energy density of TDK's conventional solid-state battery. This development could accelerate the introduction of solid-state batteries in the market, starting with relatively low-power consumer electronics, enabling an effective and attractive replacement of lithium-ion batteries.