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How to do settings in noise Colorfit Pro 2? 

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(2) It was observed earlier that noise sensitivity alters the effect of noise exposure on noise annoyance, and does not (only) have an additive effect.
The new noise model discussed here shows how an imaging system’s noise and blur are combined with the contrast threshold function (CTF) to form the system CTF.
Open accessProceedings ArticleDOI
15 Dec 1993
33 Citations
This type of modeling of noise and disturbances very much fits the philosophy of both the behavioral and robust control settings.
These changes in influence depend in part upon how environmental variability – in particular, the color of environmental noise – is incorporated.
We illustrate how the (Auto:I, LSP:T) constrained iterative speech enhancement algorithm can be extended to provide improved performance in colored noise environments.
MFCCs, however, do not help for the high noise settings.
It is shown that at low power settings, the core noise is a major contributor to the noise.
We demonstrate that the parameter settings in the frequency domain and the decision whether or not to use separated noise measurement depend on the actual noise properties, i. e., frequency content or stability with time.
Noise reduction strategies in mobile audiometry provide a portable effective solution for hearing assessments outside clinical settings.
Journal ArticleDOI
01 May 1999
12 Citations
By considering the user of the vehicles this paper shows how appropriate noise control measures can be devised so that the maximum improvement in the passenger noise environment is achieved for minimum cost.
The latter is useful in revealing how specific factors are involved in noise propagation characteristics.

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What are the effects of noise levels on cognitive function and concentration of students?
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Chronic exposure to aircraft noise from military airfields may influence the cognitive functions of Korean elementary school students, leading to reduced learning performance. Low-frequency noise negatively affects cognitive performance, with higher sound pressure levels leading to decreased performance. Acute noise, including background and additional noise, significantly affects cognitive function in elementary school students, particularly those at high risk for learning difficulties. Road traffic noise at home has been shown to reduce cognitive performance in adolescents, specifically in figural memory and concentration constancy. Low-frequency noise affects cognitive functions differently based on personality type, with introverts and women being more affected.
How to reduce floor impact noise?
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To reduce floor impact noise, several methods can be employed. One approach is to improve the floor structure construction method by changing the composition of the upper part of the slab and including a damping material. Another method involves using impact absorbers, support frames, insulating materials, and grid mesh to create an integrated floor structure that prevents separation of each member and reduces vibration and noise. Additionally, a floor structure can be constructed using wall heat-insulation materials, pipe layers, elastic layers, damp-proof layers, heat-insulation layers, floor layers, and noise reduction plates to minimize inter-floor noise. Another technique is to use a vibration-proof material, an EVA layer with resonance holes, and a vibration dissipating unit to offset and reduce the amplitude of impact sound vibrations. Finally, a shock absorbing material with multiple sound absorbing layers can be used to effectively reduce inter-floor noise in various types of buildings.
How to reduce floor impact noise?
5 answers
To reduce floor impact noise, several methods can be employed. One approach is to improve the floor structure construction method by changing the composition of the upper part of the slab and including a damping material. Another method involves using a floor structure that includes various layers such as a wall heat-insulation material, pipe layer, elastic layers, damp-proof layer, heat-insulation layer, and a noise reduction plate. Additionally, a floor structure can be designed with impact absorbers, support frames, insulating material, grid mesh, and an upper slab to prevent separation of each member and reduce vibration and noise. Another option is to use an apparatus that is interposed between the slab and the floor, which includes a base unit, lower sound-absorbing unit, support unit, cover unit, guide unit, and upper sound-absorbing unit. Finally, a floor structure for reducing impact sound can include a vibration-proof material, EVA layer with resonance holes, and a vibration dissipating unit.
What is the definition of noise pollution?
5 answers
Noise pollution is the presence of unwanted or distressing sounds that have negative effects on human health and well-being. It is considered a modern-day pollutant that can cause short-term issues such as hearing impairment, sleep deprivation, and stress, as well as long-term consequences including cardiovascular, endocrinal, and behavioral issues. Noise pollution is often associated with industrialization and urbanization, and its harmful effects can be experienced from intrauterine life to old age. Exposure to high levels of noise can lead to damage to the cochlear hair cells, resulting in high-frequency hearing loss in fetuses and neonates. Prematurity, low birth weight, and birth defects have also been linked to exposure to high decibel noise. Noise pollution is a significant environmental concern that affects millions of people worldwide, yet it is often neglected in terms of national plans for reduction and prevention.
What are the current advancements in supersonic aircraft aerodynamic technology?
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Advancements in supersonic aircraft aerodynamic technology include the development of shock reduction techniques, such as passive, active, and hybrid flow control methods. Passive flow control approaches involve optimizing airfoil shape, using mechanical spikes, and incorporating forebody cavities. Active flow control techniques focus on opposing jets and energy deposition. Hybrid flow control combines both active and passive methods. Additionally, there have been efforts to reduce sonic boom and drag coefficient through the use of suction and injection slots on the airfoil suction surface. Computational fluid dynamics (CFD) simulations have been used to study the aerodynamic performance of supersonic aircraft, including the shift of the aircraft aerodynamic center and the computation of aerodynamic coefficients. Furthermore, there have been advancements in computational aeroelastic and aeroservoelastic (ASE) analyses, including the development of computational models and the study of flutter boundaries using aeroelastic reduced-order models (ROMs).
How to filter 50 Hz from a digital signal.?
4 answers
To filter out 50 Hz interference from a digital signal, various methods can be used. One approach is to use a notch filter, which attenuates the unwanted 50 Hz signal. Serra et al. developed a SC 50 Hz notch filter for an analog to digital acquisition channel in an IoT water management sensor node. Another method is to design a fixed center frequency band stop filter, also known as a notch filter, to eliminate power line interference. This can be achieved using virtual instrument software LabVIEW, as demonstrated by Huang et al.. Additionally, a digital signal filtering circuit can be employed, which includes a low-pass filtering circuit, a high-pass filtering circuit, and a band-pass filtering circuit connected in series. Li et al. proposed a continuous-time notch filter based on current steering technique, capable of providing 55.4 dB attenuation for the 50 Hz power line interference. Guo-quan designed a bandstop digital filter using Procedure and FDATool method to cancel the 50 Hz noise.
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The Akagi line is a reference axis used for rotational alignment of the proximal tibial component in total knee arthroplasty (TKA). It has been studied for its reliability and reproducibility in various research papers. The Akagi line is a line connecting the medial border of the patellar tendon and the middle of the posterior cruciate ligament insertion. It has been found to have good reliability as a reference axis for rotational alignment of the proximal tibial component in TKA. In addition, the Akagi line has been compared to other tibial rotation alignment lines, such as the Dalury line and the inter-eminence line, and has shown strong correlation with the inter-eminence line. Overall, the Akagi line is considered to be a reliable and reproducible reference axis for rotational alignment in TKA.
What are some of the most promising theories for converting noise into electricity?
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Some of the most promising theories for converting noise into electricity include the use of MEMS devices, acoustic-elastic meta-materials, and electromagnetic transducers. These technologies have the potential to generate micro-watt level electrical signals from low-level decibel noise signals, which can then be used to power small-signal devices after amplification, rectification, and regulation. Another theory suggests the use of piezoelectric power generation by sound vibration, where ambient noise can be converted into electric energy. Additionally, the utilization of helmholtz resonators and piezoceramics pieces has been proposed to collect and convert noise into electric energy, which can be used to power electronic signboards on highways. These theories show promise in harnessing noise as a potential source of electricity.
What are the key arguments in G.R. No. 89252?
4 answers
The key arguments in G.R. No. 89252 are not provided in the abstracts.
Marine radar vs. wave buoy timeseries?
5 answers
Marine radar and wave buoy timeseries have been compared in several studies. The accuracy of marine radar measurements is limited by factors such as look-angle dependence and noise in the radar data. However, a method of combining data from multiple radar frames has been developed to minimize these errors and increase the correlation of radar estimates with buoy measurements. Different instruments used in the offshore industry, including the Rosemount WaveRadar, Waverider Buoy, and Optech Laser, have been compared in terms of their wave measurements. The Waverider produces the best quality data with the lowest failure rate, while the Radar has lower significant wave height estimates compared to the Laser and Waverider. X-band radar images have also been used to estimate directional wave information, and the results have shown good agreement with moored buoy data. Overall, marine radar has shown promise in providing accurate and model-free two-dimensional wave spectra.
How can noise pollution be controlled?
5 answers
Noise pollution can be controlled through various methods. One approach is the use of IoT-based systems that employ low-cost sensors to capture and store real-time data for better decision-making processes. These systems enable monitoring and analysis of noise levels, allowing for effective control measures to be implemented. Another method involves the development of noise control devices and products based on accurate identification of noise sources and their positions. By accurately distinguishing the sound source position, the appropriate noise reduction product can be designed and implemented. Additionally, taking appropriate actions against major sound-polluting devices in specific areas can help control and reduce noise pollution. It is also important to consider the effects of noise on human health and implement control measures accordingly. Overall, a combination of monitoring, analysis, identification of noise sources, and implementation of control measures is necessary to effectively control noise pollution.