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Sound level

The effect of sound level on perception of reproduced soundscapes

The effect of sound level on perception of reproduced soundscapes

... soundscape reproduction affected the perception of soundscape compared with actual conditions. There were three experiments conducted: a soundwalk in situ in Manchester (United Kingdom) city centre, listening tests in ...

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Design optimization and evaluation of integrating sound level meters

Design optimization and evaluation of integrating sound level meters

... g Sound Level M eters (ISLMs) a re alm ost e x c lu s iv e ly c a l i b r a t e d w ith a continuous in p u t s i g n a l ...measure sound p re s s u re l e v e l , but t e l l s noth in g about th e ...

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Assessment of Sound Levels in a Neonatal Intensive Care Unit in Tabriz, Iran

Assessment of Sound Levels in a Neonatal Intensive Care Unit in Tabriz, Iran

... of sound have several negative effects, such as noise-induced hearing loss and delayed growth and development, on premature infants in neonatal intensive care units ...reduce sound levels, they should first ...

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Study Of Noise Pollution At Different Location In Jalgaon City, Maharashtra, India

Study Of Noise Pollution At Different Location In Jalgaon City, Maharashtra, India

... the sound level at the sampling station B was found less than that of sampling station A, but at 11 AM, ...the sound level was found more than that of sampling station B. Sound ...

5

Influence of motorcycle and operator characteristics on sound pressure level measured at the ear of the operator.

Influence of motorcycle and operator characteristics on sound pressure level measured at the ear of the operator.

... Since the human eardrum is not readily accessible to even a probe microphone it is usually necessary to measure acoustic pressure in the vicinity of the outer ear. This is acceptable because pressure amplitude within the ...

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A study on ambient and traffic noise pollution in Vijayawada, Andhra Pradesh, India

A study on ambient and traffic noise pollution in Vijayawada, Andhra Pradesh, India

... unwanted sound that is harmful, annoying, causes disturbance and may adversely impact the work efficiency and ...Noise level increases with traffic volume in an exponential manner and depends on several ...

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Increasing the Accuracy of Reverberation Time Measurement Using Wavelet Thresholding

Increasing the Accuracy of Reverberation Time Measurement Using Wavelet Thresholding

... The sound source used in the experiment is pink noise connected to an amplifier and omnidirectional ...The sound is capture using microphone type B&K 4191 is used and analyzed using B&K 2144 ...

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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

... Perkhidmatan keretapi di Malaysia telah pesat membangun sejak sedekad yang lalu. Pada masa sekarang masalah bunyi yang terhasil di stesen, telah menimbulkan keadaan yang kurang selesa dikalangan pengguna. Disertasi ini ...

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Proposing a conceptual framework to develop the hospital soundscape through visual communication

Proposing a conceptual framework to develop the hospital soundscape through visual communication

... Sound level measurement is used to assess sound within any environment, never more so than in ...high sound level can have on patients and ...exploring sound and the soundscape ...

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... of sound levels. Results indicated that percentage of HBV and HCV was same in all types of sam- ples. Prevalence of viral diseases was not associated with sites differentiated on the basis of sound ...

6

Monitoring of Noise During Ganeshotsav

Monitoring of Noise During Ganeshotsav

... ‘Sound Level Meter’ is an instrument used for measurement of ...the sound in approximately same way as human ear perceives it, ...Some sound level meters measures the noise as linear ...

7

Research Study On The Noise Level At The NGV Engine

Research Study On The Noise Level At The NGV Engine

... Figure 1 below shows some example of the Noise Meter or Sound Level Meter. It shows the models from NM102 Noise Meter and Noise Meter with Optional Calibration manufactured by NoiseMeters Limited Company ...

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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

... the sound pressure methods and can be used under fewer restricted test conditions [ ...the sound power of a large source, the intensity based method is ...the sound intensity methods are higher ...

7

The Development Of Noise Analyzer System And Data Reliability Using Arduino

The Development Of Noise Analyzer System And Data Reliability Using Arduino

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

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Airborne sound insulation in terms of a loudness model

Airborne sound insulation in terms of a loudness model

... airborne sound insulation measured in accordance with present standards [21] does not correlate well with subjective impression [22, 23, 24, 25, 26, ...the level difference measured tends to produce lower ...

15

Effect of No-load and Load Condition on Transformer Sound Dr. Hitesh Paghadar

Effect of No-load and Load Condition on Transformer Sound Dr. Hitesh Paghadar

... Load sound is mainly generated by the interaction of the load current in the windings and the leakage flux produced by this ...this sound is twice the supply frequency, ...of sound that must be ...

5

Analysis of Noise Emitted from Electrical Machines Using TOPSIS Technique

Analysis of Noise Emitted from Electrical Machines Using TOPSIS Technique

... unwanted sound or ...A-weighted sound level), LAV (Average sound level), LAE (Sound exposure level), TWA (Time weighted average) ...the sound pressure level ...

5

Exposition of working and natural environment to noise during timber transport by helicopter MIL MI 8 in Carpathian region of Slovakia

Exposition of working and natural environment to noise during timber transport by helicopter MIL MI 8 in Carpathian region of Slovakia

... values sound-level me- ter also measured: sound level in frequency ranges ( L feq , L fmax , L fmin ), sound A equivalent level in fre- quency range (L Afeq ), sound A ...

8

The Influences of Individual Sensitivity, Sound Frequency, and Sound Pressure Level on Cognitive Performances of Students

The Influences of Individual Sensitivity, Sound Frequency, and Sound Pressure Level on Cognitive Performances of Students

... claim sound improves the speed and accuracy of individuals in mathematical mental processing tests ...the sound pressure level under 60-95 ...increasing sound level in the mentioned ...

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The Influence of Sound Awareness on the Level of Sound Generated during Nursing Activity in a Pseudo Ward

The Influence of Sound Awareness on the Level of Sound Generated during Nursing Activity in a Pseudo Ward

... whether sound awareness is effective in regulating the sound environment even in a busy situation, such as in a real clinical setting, and to examine the extent to which sound awareness affects ...

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