• No results found

Noise and Sound

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 ...

10

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 ...

14

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

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

... the noise barrier consists of a direct component, a component reflected from the surface under test and other parasitic reflections (Figure ...direct sound component must be exactly known in shape, ...

14

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 ...

170

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 ...

5

Analysis on noise distribution at different monorail station in Kuala Lumpur

Analysis on noise distribution at different monorail station in Kuala Lumpur

... the noise level problems in the stations area created uncomfortable condition to ...of noise level in selected monorail station areas in Kuala ...the noise levels at the selected ...Station. ...

41

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 ...

24

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 ...

24

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, ...

8

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 ...

6

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 ...

7

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

... of noise controls as well as for comparing noise sources in ...by sound pressure or intensity based methods in real conditions of ...of sound power of a typical model of noisy embroidery ...

7

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

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

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

... using Sound Level Meter YF- 20. Noise levels were measured at 17 stations, Cuddalore old town, Pachayankuppam, Allapakkam, Periya karai kadu, Semmankuppam, Sangolikuppam, Bus stand, Kodandaramapuram, ...

12

Digital Technologies

Digital Technologies

... Abstract Noise is an ever present phenomenon while dealing with recording devices, be it digital or analog, be it specks in images or background hiss in music ...of noise on image and sound files ...

5

Monitoring of Noise During Ganeshotsav

Monitoring of Noise During Ganeshotsav

... transmitted. Noise has been defined as unwanted sound. Noise is a disturbance to the human environment which is escalating at a high ...of noise on human and environment due to the increase in ...

7

Environmental Sounds Enhance Cortical Responses Related to a Serial Arithmetic Task

Environmental Sounds Enhance Cortical Responses Related to a Serial Arithmetic Task

... hubbub sound, forest sound, traffic noise, and a silent control ...different sound condi- tions, which may help increase our understanding of the potential effects of environmental ...

13

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

Study on Calculation Method of Ground Absorption Factor in Substation

Study on Calculation Method of Ground Absorption Factor in Substation

... Acoustics Principle of Noise Prediction Acoustic Principles of Noise Propagation In the prediction calculation, the acoustic model of the calculated object is equivalent to a point sound[r] ...

5

Characterization and Impact of Low Frequency Wind Turbine Noise Emissions

Characterization and Impact of Low Frequency Wind Turbine Noise Emissions

... the sound is masked to some degree by the louder background noise levels associated with high wind ...the sound to be perceived at long ...dominant sound observed in the field. Given measured ...

159

Show all 10000 documents...

Related subjects