Sound Intensity
Statistical Modelling Of The Effect Of Alcohol And Sound Intensity On Response To Fire Alarms
... to sound stimuli whose intensity varies with time is developed, generalizing a model developed in [1] for analysing the response of sleeping subjects to sound stimuli of constant ...The sound ...
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Prediction of Noise in a Diesel Engine Using Sound Intensity Mappings.
... The limitation of the measurement principle is the restricted dynamic range at low frequencies: because the electrical noise of the microphones at low frequencies is amplified by the time integration needed in ...
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The Application of a Sound-Intensity Analysis and an Experimental Modal Analysis for Determining the Noise Emissions of a Diesel Engine
... 3. For all octaves in the spectrum, sound maps are made using the sound-intensity method. They show that the highest noise-intensity penetrates from the crankshaft area. In this area, the ...
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The use of sound intensity for characterisation of reflected energy in small rooms
... direct sound has not been a problem for microphone ...direct sound, because of the phenomena of focusing sound reflections, which may happen when sound encounter a concave surface (Ballou, ...
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Design and Development of Noise Meter and Automatic Alarm for Sound Intensity Level
... any sound (especially human voice) is ...a sound meter to build students awareness of appropriate noise ...measure sound in decibels, as well as more generic noise meters that display less precise ...
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Directional Sensitivity of the Ears of Noctuid Moths
... The measurements of sound intensity in relation to angle of presentation required that a tympanic nerve preparation mounted in a free acoustic field be presented with ultrasonic pulses a[r] ...
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Vol 6, No 5 (2018)
... of sound absorption coefficient (ratio of absorbed sound intensity to the initial sound intensity) which is found by using impedance tube test method as per the ASTM E 1050 ...of ...
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Double Roller Auto Feeder Ginning Machine Noise Parameters and Its Effects on Operator and Its Related Hazards
... radiate sound from several sources and absorb sound in other ...the sound power from the components of a machine. This is simple with sound intensity measurements because we can define ...
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Underwater Hearing in the Frog, Rana Catesbeiana
... Comparable auditory sound pressure level SPL and sound intensity level SIL threshold curves were determined in air and under water in Rana catesbeiana.. Threshold curves were determined [r] ...
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... with sound inten- sity ≤ dBA were belonging to schools of Jhang and university of the Punjab Lahore ...Pakistan. Sound sources of these sites were the fans, labs, lecture halls and busy corridors with ...
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Internet of Things (IoT) based remote sensing of low Voltage Grid parameters To Cloud system using ESP8266 and Arduino
... The sound sensor detects sound intensity levels in that area and DHT11sensor and LDR will record the Temperature ,Humidity and Light intensity in that region, if the threshold limit is crossed ...
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Hearing and the Octopus Statocyst
... We can assess the adequacy of the pressures used here by noting that for any medium, and for a given sound intensity and frequency, the sound pressure and amplitude are connected by the [r] ...
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Empirical Comparison of the In Situ Methods for Determining Sound Power of Typical Embroidery Machine Located in Industrial Workroom
... of sound power level of a typical model of embroidery machine located in enclosed workroom based on mentioned methods was performed in the interested frequency range of 125 Hz to 4000 ...measuring sound ...
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Internet of Things (IoT) based remote sensing of low Voltage Grid parameters To Cloud system using ESP8266 and Arduino
... The sound sensor detects sound intensity levels in that area and DHT11sensor and LDR will record the Temperature ,Humidity and Light intensity in that region, if the threshold limit is crossed ...
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A machine component monitoring system using audio acoustic signals
... the sound intensity measurement technique has good potential, and can offer several advantages if applied to machine condition ...that sound intensity measurement was capable of showing signs ...
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Clinical and Basic Studies on Diabetes and Brain Serotonin
... to sound intensity stimulus may be regulated by the brain serotonergic activity and that decreased serotonergic neurotransmission may provoke a different behavior of sensory ...
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Particle Velocity Sensor and Its Application in Near Field Noise Scanning Measurement
... Sound intensity measurement requires the use of sound pressure (scalar) and particle vibration velocity (vector) information, which are two important basic physical quantities of the sound ...
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Sound Source Localization and Mapping Using Acoustic Intensity Method for Noise Control in Automobiles and Machines
... “sound intensity technique” is the best technique to obtain “noise measurement” results, when compared pressure ...using sound intensity technique followed by the noise control ...measurement. ...
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The Influence of the Housing on the Noise Emitted by a Reciprocating Compressor
... f sound pressure signals were recorded at a sampling frequency of 20 kHz, lasting 4 sec ...The sound intensity was then calculated from the imagi nary part of the cross-spectrum of a pair of ...
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Investigating the Optimum Efficiency of Acoustoelectric Conversion Plate Devices
... convert sound energy to electricity, where the developed apparatus is made of three parts, the thin film coil, the spring, and the high-intensity magnetic ...injecting sound vibration in connection ...
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