可以贴在玻璃窗上的噪声消声器Sono由设计师Rudolf Stefanich设计,外形是一个造型略显不规则的圆盘,以使声波的振动相互抵消为原理,选定某种噪声之后,消噪器产生一个与噪声反相的声波与之叠加,收到降低甚至消除噪声的效果。ANC主动降噪技术由BOSE打造,之前主要应用于一些耳机, Can be attached to the glass window noise muffler Sono by designer Rudolf Stefanich design is a slightly irregular shape of the disk, so that the vibration of the sound wave cancel each other out as principle, select a noise, the de-noise generated An anti-phase noise wave is superimposed on it and received the effect of reducing or eliminating noise. ANC active noise reduction technology from BOSE to create, before mainly used in some headphones,