Project area: from volume calculation model, it was found that the sound level Ldn between 71.3 - 72.6 de ซิเบ Al and volume NEF. Between 35.5 - 37.1, which is close to the real measurement, which is Ldn between 69.2 - 71.2 dB
international community Temple tha Muang wat tha purple (school): from the volume calculation by model, it was found ว่ามีระดับ sound Ldn between 50.8 - 53.1 decibels. And the volume NEF between 9.4 - 11.0 which were less than the real measurement, which is Ldn between 58.8 - 60.9 DB
international ban Pak น้าเก่า (mosque): length and spread. Calculation of volume model, it was found that the sound level Ldn between 47.3 - 48.6 dB level and was broken. NEF between 7.5 - 8.9 which were less than the real measurement, which is Ldn between 58.8 - 60.9 decibels.
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