Current Issue : July - August 2022
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Articles July-Aug 2022

PALM AV-ICN Conference & SeminarNew!

Curated by PALM AV-ICN magazine, the PALM Conference & Seminar was the optimum learning and networking platform for attendees, where the best talent and top-notch professionals from the country shared their expertise, skills and knowledge. read more

Articles July-Aug 2022

High Quality Attendance At Palm & Av-Icn Expo 2022New!

The professional sound, professional display, professional lighting and integration market of importers, distributors, dealers and actual users congregated in full strength at the BEC, Mumbai, to witness the largest display of product range from top global brands, sourcing millions of dollars inventory for distribution and rental.... read more

Articles July-Aug 2022

IRAA strikes an energetic progress path with new chiefNew!

K.J. Singh recording engineer of brave new-gen albums is a spirited veteran deeply involved with Indian recording arts and professionals. The entire jury of IRAA after years is now entirely fresh, newly appointed by KJ... read more

Articles July-Aug 2022

Attendees to PALM & AV-ICN Expo 2022New!

PALM AV-ICN 2022 proved to be far busier and well attended than expected. Who exactly attends and exhibits at India's foremost audio, lighting, and audiovisual technology expo? Read on for detailed breakdown of the attendee figures... read more

Articles July-Aug 2022

Chopra's Keynote Pushes For Indian Manufacturing, Indian BrandsNew!

The 20th PALM Convention Keynote address by Founding Director Anil Chopra gave a clarion call for major investment into manufacturing pro audio, pro lighting and pro AV hardware in India... read more

Articles July-Aug 2022

What to expect from NEC at InfoComm India 2022New!

Joining PALM AV-ICN for a quick interview is Krishna Tripathi, General Manager, Display Solutions, NEC Corporation India Private Limited, wherein he elaborates on the exciting products attendees will be able to witness at the NEC Booth E20 at InfoComm India... read more


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Meyer Sound Granted First Patent on Breakthrough Technology in Bluehorn System Studio Monitor



Meyer Sound has been awarded a United States patent on proprietary digital technologies that enable the Bluehorn System to reproduce complex musical signals with absolutely flat frequency and phase response across the full audio bandwidth, an unprecedented achievement in high-power studio monitors.

The new patent, number 9,992,573 B1, is formally titled, “Phase inversion filter for correcting low frequency phase distortion in a loudspeaker system.” The award document outlines the digital signal processing techniques involved in canceling out the phase anomalies inherent in all loudspeaker systems due to the physical mass of the loudspeaker drivers and resonance of the loudspeaker enclosures. The patented technology restores the original phase relationships, even at the lowest audio octaves, by applying an inverted phase response.

The patented filter algorithms are hosted in a dedicated hardware processor placed in front of both the two-way, mid-high loudspeaker and the separate low-frequency loudspeaker. The system-specific correction algorithms hosted by the processor were developed by meticulously analyzing all physical and electrical non-linearities throughout the entire system, from 25 Hz to 20 kHz, in order to bring acoustic output – at any level – into phase and frequency alignment with the input signal. Essentially, the digital processing nullifies the non-linearities of drivers and enclosures, resulting in a phase-coherent response previously achieved only by open-air electrostatic headphones with their extremely low mass diaphragms.

“This patent award covers the unique digital technology at the heart of the Bluehorn System, and underscores why it has become such an important tool for audio professionals,” says Meyer Sound CEO John Meyer. “Some studio monitors may flatter the program content with potentially pleasing colorations generated in part by phase anomalies, but that is only misleading to the mixing engineer. The Bluehorn System is absolutely true to the input signal, and it retains the same precise phase linearity from a delicate whisper up the highest listening levels that would be prudent for even short-term monitoring.”

Complete Bluehorn Systems are available in either stereo or LCR configurations, with each channel comprising a two-way mid-high loudspeaker, a separate low frequency element, and the dedicated digital processing.

Bluehorn System is designed for high-resolution monitoring applications in mid-sized rooms for music recording, cinema post-production, music mastering or other applications requiring the highest accuracy in sound reproduction. Externally, Bluehorn System’s two-way component shares the same cabinet footprint, driver dimensions and waveguide configuration as Meyer Sound’s Acheron Designer loudspeaker. On the inside, however, it utilizes an upgraded HF driver and new amplifiers with ultra-low noise and distortion.

Among the first users is noted film composer John Powell, who relies on the accuracy of the Bluehorn System monitoring in his Los Angeles-based 5 Cat Studios. “For the work that I do, I need monitor loudspeakers that do not flatter the music at all,” he says. “I have no time when working to enjoy what we did right; I need to hear when things are wrong, so we can fix them, and I can hear those problems better with the Bluehorns.”

Current Issue : May - June 2022
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