Estimation of classroom reverberation time using convolutional neural network

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nouri zehab salman; Shafieian Masoume

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Journal Paper

Paper Information

Journal: JOURNAL OF VIBRATION AND SOUND Year:2021 | Volume:10 | Issue:19 Page(s): 150-161

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Information Journal Paper

Title

Estimation of classroom reverberation time using convolutional neural network

Author(s)

nouri zehab salman | Shafieian Masoume | Issue Writer Certificate

Keywords

Classroom Acoustics

Convolutional neural network

Ray tracing

reverberation time

Abstract

The classroom, as one of the most important educational environments, plays a major role in students' learning. reverberation time is one of the most important acoustic parameters affecting the sound quality inside the environment. The inefficiency of classical formulas such as Sabin, led to the study of the use of machine learning methods as an alternative method for predicting the reverberation time of the environment. In this research, first, using the methods based on geometric acoustics and using Odeon software, the required data sets are collected at 500 and 2000 Hz frequencies. In this dataset, 4 classrooms with a rectangular space were used, along with elements such as desks, chairs, windows and doors. The Convolutional neural network used to provide a machine learning based system. In this study, using a Convolutional neural network for a frequency of 500 Hz with a coefficient of determination of 93% and for a frequency of 2000 Hz, a coefficient of determination of 95% was obtained.

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APA: Copy

nouri zehab, salman, & Shafieian, Masoume. (2021). Estimation of classroom reverberation time using convolutional neural network. JOURNAL OF VIBRATION AND SOUND, 10(19 ), 150-161. SID. https://sid.ir/paper/413435/en

Vancouver: Copy

nouri zehab salman, Shafieian Masoume. Estimation of classroom reverberation time using convolutional neural network. JOURNAL OF VIBRATION AND SOUND[Internet]. 2021;10(19 ):150-161. Available from: https://sid.ir/paper/413435/en

IEEE: Copy

salman nouri zehab, and Masoume Shafieian, “Estimation of classroom reverberation time using convolutional neural network,” JOURNAL OF VIBRATION AND SOUND, vol. 10, no. 19 , pp. 150–161, 2021, [Online]. Available: https://sid.ir/paper/413435/en

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