Silentium has developed unique Active Noise Control (ANC) technology and an entire disruptive sound management solution, incorporating proprietary, innovative algorithms that adaptively …

2021年2月10日 · In an enclosed space that is smaller that the wavelength, waves propagate with a flat wavefront and thus can easily be cancelled. This is also why Active Noise Cancellation …

2021年8月1日 · To date, active noise control (ANC) has been demonstrated, at source, in construction machines and, in the transmission path, in noise barriers. Recent demand for …

Active noise control (ANC), also known as noise cancellation (NC), or active noise reduction (ANR), is a method for reducing unwanted sound by the addition of a second sound …

Many people are familiar with noise cancellation through their headphones' Active Noise-Cancellation (ANC) technology, which uses a microphone to sense external noise and then …

2017年1月1日 · We first formulate the spatial active noise control (ANC) problem in a 3-D room. Then we discuss a wave-domain least squares method by matching the secondary noise field …

In contrast to the passive noise control technique, which requires a large volume of space to put the absorbing material, the active noise con-5 trol (ANC) system depends only on a …

2018年8月6日 · This noise can affect those using a headset or earbuds (call them “earpieces”, or it can also affect “open areas” such as the cabin of a car or airplane. To counter this noise, an …

2016年9月9日 · ANC全称：Active Noise Control及主动降噪；目前大热的真无线耳机就有很多具有主动降噪功能； 降噪主要分为两种形式：被动降噪和主动降噪；

ANC降噪（Active Noise Control，主动降噪）的工作原理是麦克风收集外部的环境噪音，然后系统变换为一个 反相 的声波加到喇叭端，最终人耳听到的声音是：环境噪音+反相的环境噪音，两 …