A noise control apparatus for eliminating noise capable of responding to abruptly changing noise frequency. The apparatus includes adaptive filtering means (6) for receiving a noise signal and controlling a filter coefficient on the basis on an error signal of an acoustoelectrical convertor (2) to ...
A noise monitoring device for indicating exposure to noise and providing a quickly perceived noise exposure warning. Noise levels are monitored, recorded and evaluated by the device utilizing a noise detector, an accumulator, and an evaluator that monitors an accumulated noise signal value and determin...
;CONSTITUTION: A noise/vibration measuring and monitoring device is configured as simulation of a giraffe, being composed of a trunk 1, neck 2, head 3, and legs 4. Signals from a microphone 8 in the head 3 and a pickup on the ground are entered into a noise meter and vibration meter...
Noise level measurement procedures are followed while monitoring sound level or acoustic energy level in the specified area. We will see what are important factors to keep in mind while measuring noise level. These days annoying noise levels have started to become a major threat to public health....
Noise Level Meter Tester is a versatile tool designed for professionals and enthusiasts alike. With a measurement range spanning from 30 to 130dB, this device is capable of capturing a wide array of sound levels, making it suitable for diverse applications. Whether you're monitoring the noise ...
A device and Method for monitoring levels of Gases and Noise Pollution in the Environment, wherein the device comprises a Digital Signal Processor, which receives the signals which are previously prepared through an Amplifier and Conditioner entrance and A. Cionador entry and a First Protocol Conver...
A hierarchical power supply noise monitoring device and system for very large scale integrated circuits. The noise-monitoring device is fabricated on-chip to measure the noise on the chip. The noise-monitoring system comprises a plurality of on-chip noise-monitoring devices distributed strategically ac...
Device for monitoring a multi-wire electrical cable for interference due to noise fieldsIn a multi-wire electrical cable (K), a test line (P) is provided which is supplied with signals of a monitoring circuit which are caused by noise fields. This includes, inter alia, a bridge circuit ...
All user interactions are triggered through the menu: Start/Stop: start or stop monitoring Test: activate monitoring without triggering any action to find right noise threshold. Settings: Bring up preferences screen Author: Gernot Hillier <gernot@hillier.de> License: http://www.apache.org/licenses...
Monitoring device for babies/baby phone has radio equipment for monitoring/watching a person and an area with a noise transmitter and a signal receiver 来自 掌桥科研 喜欢 0 阅读量: 14 公开/公告日期: 02/24/2005 被引量: 1 摘要: A room microphone (RM) (6) links to a pre-amplifier ...