reverberation time (RT)
The Effect of Television Decors on the Change of Reverberation Time of the Studio
... function. Reverberation time in one octave fre- quency bands is measured from 63 Hz to 8000 ...the reverberation time of the room is actually the numerical average of reverberation ...
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Blind estimation of reverberation time in classrooms and hospital wards
... as reverberation time (RT) are usually carried out when a room is ...perform time consuming simulations, as these can be ...blind Reverberation Time estimation, each technique has ...
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Investigation the capability of neural network in predicting reverberation time on classroom
... that reverberation time for the classrooms should be below 1s ...to reverberation time: the volume of the room (size and ceiling height), proportions (shape), and material used on the walls, ...
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Prediction of classroom reverberation time using neural network
... Abstract. In this paper, an alternative method for predicting the reverberation time (RT) using neural network (NN) for classroom was designed and explored. Classroom models were created using Google ...
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The amount of wooden material in a closed room and its effect on the reverberation time
... interior reverberation time (RT) is reported in this ...the reverberation time (s), DR is the amount of interior wood materials used (%), and the C values were constants that ranged from ...
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Feed forward neural network application for classroom reverberation time estimation
... of Reverberation Time (RT) computation is able to assist the acoustic engineer and consultant to treat and properly locate the exact specifications of absorption material in order to reduce the classroom ...
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Increasing the Accuracy of Reverberation Time Measurement Using Wavelet Thresholding
... Reverberation time is defined as the time in seconds required by sound level to decay 60 dB after a sound source abruptly switch-off ...conventional reverberation time measurement ...
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A practical system to predict the absorption coefficient, dimension and reverberation time of room using GLCM, DVP and neural network
... of reverberation time such as Sabine and Eyring equation, ray-method, and numerical method require main parameters such absorption coefficient and ...
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Analysis reverberation time in UTHM lecturer room using teoritical method and ISO 3382 measurement
... Reverberation time can be obtained by using a measuring method following the ISO 3382 (ISO 3382-1, ...more time to ...the reverberation time such as Finite Element Method (Okuzuno et ...
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Acoustic Performance and Reverberation Time of Walls Partitions in Educational Institution Classrooms
... and reverberation time, whose methodology includes data collection in 26 classrooms in three buildings, according to the specifications of ISO 16283-1 (ISO 2014) and ISO 717-1 (ISO 2013) and compiled using ...
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An investigation on factors that cause error in reverberation time measurement (ISO 3382) in UTHM Lecturer Room
... predict reverberation time such as Finites Element Method (2), Boundary Element Method (3) and Ray- Tracing ...predicts reverberation time by using formulas such as Sabine (5), Eyring (6) and ...
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A reverberation time aware DNN approach leveraging spatial information for microphone array dereverberation
... height). The position of the loudspeaker was at (2, 3, 1.5) meters. Both 2-microphone and 6-microphone arrays were considered. For the 2-microphone array, the posi- tions of the microphones were at (4, 1, 2) and (4, 1.2, ...
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Measurement And Evaluation Of The Reverberation Time For Classrooms In UTEM
... UTEM whether it achieves the standard reverberation time for classrooms specified by ANSI S12.60-2002. The quality of teaching and learning in classrooms is important in order to achieve the UTEM’s vision ...
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Chirp decoder : influence of noise and reverberation
... of reverberation time and receive rate data (data from Maxwell lower hall, listening room and empty small reverberation chamber was excluded in the ...
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Development of the system to predict the absorption coefficient of the room acoustic using zernike moments
... some time until sound energy decays away to ...compute reverberation, the RT (reverberation time) is defined as the time required for the average sound energy density to decay by 60dB ...
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Acoustical investigation of open plan offices in green buildings in Malaysia
... Investigation were limited to selected assessment parameters of background noise BN level, noise criteria NC, reverberation time RT and speech transmission index ST!.. The BN levels for [r] ...
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Monaural room acoustic parameters from music and speech
... This paper has examined two methods for extracting room acoustic parameters from music and speech. The mo- tivation is to enable in-use measurements of spaces without using artificial test signals. The first method uses ...
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Pedestrianization of a Vehicular Urban Corridor: Designing for User Comfort
... of reverberation time in the acoustic design of the ...the reverberation time at low frequencies from its original measured value of 2 seconds to approximately ...different ...
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Audit of Auditoriums in an Academic Setting, Ghana
... auditoria, reverberation time may not be enough for music, but may be excessive for spoken ...the reverberation time could be compromised to 1 s ...vary reverberation time than ...
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Acoustic Characteristics Analysis of Industrial Premises with Process Equipment
... The reverberation time T is also determined in the module on the basis of the calculation of the reflected sound field power parameters after switching-off a noise source and evaluating the decay ...
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