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Sound and Noise

Multi domain active sound control and noise shielding

Multi domain active sound control and noise shielding

... wanted sound and noise is measured on the ...to noise control and room acoustics, as it enables protection of the predefined space against the noise coming from the outside, while at the same ...

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Advancements in Sound Reflection and Airborne Sound Insulation Measurement on Noise Barriers

Advancements in Sound Reflection and Airborne Sound Insulation Measurement on Noise Barriers

... of sound reflection and airborne sound insulation characteristics of a noise barrier in Europe are currently performed following the CEN/TS 1793-5 European standard guidelines (last revision ...

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Sound Source Localisation for a High-Speed Train and Its Transfer Path to Interior Noise

Sound Source Localisation for a High-Speed Train and Its Transfer Path to Interior Noise

... predicting sound radiation from slab high-speed railway ...on sound radiation from the rail- way track, with the conclusion that ballast vibration can increase the sound radiation by ...namic ...

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The effects of target spectrum, noise, and reverberation on auditory cue weighting in sound localization

The effects of target spectrum, noise, and reverberation on auditory cue weighting in sound localization

... of noise and reverberation, which can degrade both ITD and ...background noise, and reverberation on sound localization performance and cue weighting ...the sound at one ear, and their ...

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Design and Development of Noise Meter and Automatic Alarm for Sound Intensity Level

Design and Development of Noise Meter and Automatic Alarm for Sound Intensity Level

... The noise meter was a simple device with audio-frequency sensing capabilities controlled essentially by a multiple condenser microphone in detecting sounds and regulating audio signals by the comparator circuit to ...

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Double Roller Auto Feeder Ginning Machine Noise Parameters and Its Effects on Operator and Its Related Hazards

Double Roller Auto Feeder Ginning Machine Noise Parameters and Its Effects on Operator and Its Related Hazards

... is sound that is not wanted by the perceiver, because it is unpleasant, loud, or interferes with ...between sound and noise, where any sound may be considered noise depending on the ...

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The application of weak passive acoustic endpoint detection based on sparse decomposition feature technology

The application of weak passive acoustic endpoint detection based on sparse decomposition feature technology

... Endpoint detection technology is the extension of voice activity detection. The essential of the endpoint detection is differentiate fish sound and noise by the different characteristics of the same ...

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Empirical Comparison of the In Situ Methods for Determining Sound Power of Typical Embroidery Machine Located in Industrial Workroom

Empirical Comparison of the In Situ Methods for Determining Sound Power of Typical Embroidery Machine Located in Industrial Workroom

... to noise as a pollutant with some risks of hearing ...its noise emission, it is highly important to determine the noise characteristics of this ...of sound power level of a typical model of ...

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Analysis on noise distribution at different monorail station in Kuala Lumpur

Analysis on noise distribution at different monorail station in Kuala Lumpur

... Any sound that is undesired by the ...lives. Noise pollution is defined as a form of air pollution that is an audible unwanted sound that poses a threat to a persons and well-being ...[5,6]. ...

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Effect of Road Traffic Noise Pollution in Cuddalore Town: A Case Study

Effect of Road Traffic Noise Pollution in Cuddalore Town: A Case Study

... higher noise level in the town is due to rapid and unplanned urbanization resulting in great influx of people from all parts of the region and country, improper management of town roads and traffics, lack of ...

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Monitored Community Noise Pollution In Selected Sensitive Areas Of Kuala Lumpur

Monitored Community Noise Pollution In Selected Sensitive Areas Of Kuala Lumpur

... unwanted sound (Thorpe and Holmes, 1976). Noise pollution is disturbing or excessive noise that may harm the activity or balance of human and animal ...life. Noise is unwanted sound, ...

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A  Review on Noise Pollution due to Traffic

A Review on Noise Pollution due to Traffic

... of sound absorptive materials for reducing noise reflected from noise barriers although there is little reliable information on their effectiveness in ...roadside noise levels of applying ...

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Analysis of occupational noise for the healthy life according to the job characteristics

Analysis of occupational noise for the healthy life according to the job characteristics

... occupational noise exposure of nine groups for twenty peoples according to job characteris- tics and to compare the noise level by different ...Personal noise levels were measured for three times ...

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Aero Acoustic Noise Analysis of a Locomotive Cooling System Ducts and Structure Optimization

Aero Acoustic Noise Analysis of a Locomotive Cooling System Ducts and Structure Optimization

... aerodynamic noise with the numerical method has become ...aerodynamic noise mainly includes direct noise simulation, sound analogy, broadband noise source model method, CFD software and ...

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Digital Technologies

Digital Technologies

... (including noise from images and sound clips respectively) from data files, lowering the file sizes & bandwidth it would have ...or sound) and subsequently reduce traces of noise found in ...

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A Study Of Safety And Health Awareness And Noise Assessment At Stamping Die Company

A Study Of Safety And Health Awareness And Noise Assessment At Stamping Die Company

... and noise assessment at stamping die ...hazard, noise exposure and noise improvement at Miyazu Malaysia Sdn Bhd ...about noise level produces by machine compare to OSHA ...Digital Sound ...

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Surface tension effect on sound absorption characteristics of a cavity backed semi permeable membrane

Surface tension effect on sound absorption characteristics of a cavity backed semi permeable membrane

... membrane sound absorber. The effects of membrane surface tension on the sound absorption characteristics were ...of Sound Absorption Coefficient, α and Noise Reduction Coefficient, ...the ...

5

Analysis of Noise Emitted from Electrical Machines Using TOPSIS Technique

Analysis of Noise Emitted from Electrical Machines Using TOPSIS Technique

... the noise emitted from different types of electrical machines having various ...rating. Noise related parameters like LAeq (Equivalent continuous A- weighted sound level), LAE (Sound exposure ...

5

The Development Of Noise Analyzer System And Data Reliability Using Arduino

The Development Of Noise Analyzer System And Data Reliability Using Arduino

... Graph noise or sound in Laboratory, based on Arduino noise Analyzer that show in Microsoft Excel 58 ...Graph noise or sound in Classroom, Based on Sound Level ...

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Determination of Levels of Exposure to Physical Agent: Equivalent Noise in the Coffee Production Industry

Determination of Levels of Exposure to Physical Agent: Equivalent Noise in the Coffee Production Industry

... to noise, including: noise and sound, and their differences, permissible limit levels, the importance of occupational medical examinations, damage to health from exposure to noise, risk ...

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