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Thursday, November 16, 2023

xMEMS Labs Says Its Tiny Strong-State Cypress Audio system Can Now Ship Ear-Bashing Bass



Strong-state speaker specialist xMEMS Labs has introduced a breakthrough with its Cypress speaker household, utilizing ultrasonic transduction to interchange the normal moving-coil audio system in true wi-fi stereo (TWS) and lively noise cancellation (ANC) headphones β€” and guarantees a fortyfold enchancment in low frequency response over its current designs.

“By shifting to a sound from ultrasound precept, the xMEMS Cypress micro speaker can now formally exchange conventional coil-and-magnet audio system in lively noise canceling earbuds,” claims xMEMS Labs’ Mike Housholder of the corporate’s latest-generation solid-state silicon speaker household. “Cypress maintains the entire advantages of xMEMS’ current audio system, whereas being 40x louder in low frequencies, reaching a key requirement for ANC earbuds.”

Conventional audio system are very a lot not solid-state, counting on a magnetic discipline to bodily transfer a diaphragm to vibrate the air and create the sound. xMEMS Labs’ units, against this, are described by the corporate as “air pulse turbines” β€” not transferring themselves, however creating strain waves by modulating an incoming audio sign into an amplitude-modulated ultrasonic service and demodulated sign to drive cantilevers inside a strain chamber which is then vented to create the audible sound.

The corporate claims its method provides higher readability, follows the supply audio sign extra carefully, offers higher spatial imaging accuracy, avoids distortion on the excessive frequencies, and provides decrease weight than conventional audio system. Earlier generations, nonetheless, have suffered from poor bass response β€” one thing Cypress is claimed to handle, delivering 40 occasions extra quantity at low frequencies than its predecessors, making it appropriate for driving noise-cancelling in-ear headphones for the primary time.

xMEMS Labs is presently sampling prototype “full-function” Cypress chips to “choose early clients,” in a compact 6.3Γ—6.5Γ—1.65mm package deal; the corporate says it will likely be able to pattern production-candidate samples with their controller/amplifier chip, Alta, in June subsequent yr, with mass manufacturing slated for late 2024.

Extra info is offered on the corporate’s web site.

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