Silentium concludes license agreement with AKM

Silentium concluded license agreement with Asahi Kasei Microdevices Corporation (AKM) for QuietBubble™ software technology of Engine Order Cancellation (EOC)*1.

Silentium has entered into a license agreement with AKM for Siltentium’s proprietary QuietBubble™ (QB™) software technology of EOC. Under the agreement above, Silentium has granted AKM to incorporate Silentium’s QB™ technology for EOC into AKM’s main product, audio voice processors, and to distribute such products worldwide.

Recently, the need for quietness in the car cabin is rapidly increasing due to the progress of automated driving systems. In the future, AKM’s audio voice processors incorporating Silentium’s Active Noise Control (ANC) technology software will reduce not only engine noise but also any noise entering the car cabin. Through this collaboration, Silentium and AKM will contribute to quietness and comfort of car cabin.

*1 Engine Order Cancellation (EOC)

It is one of the active noise control technologies.It is a technology that generates a reverse phase signal to the noise generated from the engine and cancels unwanted noise.

Asahi Kasei Microdevices (AKM) is a global leader in Automotive sensing devices and IC products. Headquartered in Tokyo, AKM offers a variety of advanced sensing devices based on compound semiconductor technology and sophisticated IC products featuring analog/digital mixed-signal technology. Please visit AKM website for more information:


About Silentium Ltd

Silentium is a company located in Israel with a global R&D and sales base.
Silentium contributes to the quietness of not only automobile interiors but also housing and industrial products by its unique active noise control technology.
Please visit the company’s website for more information on Silentium:





旭化成エレクトロニクス株式会社(本社:東京都千代田区、社長:本多 英司、以下「当社」)は、このたび、Silentium Ltd(本社:イスラエル、CEO:Yoel Naor、以下「Silentium」)と、Silentiumが保有するエンジンオーダーキャンセル(以下「EOC」)に関するソフトウェア技術について通常実施権を取得するライセンス契約を締結しましたのでお知らせします。



*EOC(Engine Order Cancel)


*ANC(Active Noise Control)

Silentium Ltdについて


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