Noise in Cities

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TEST 248Cambridge IELTS 12 · Questions 31–40

Noise in Cities

Complete the notes below.

Write ONE WORD ONLY for each answer.

Noise in Cities

Past research focused on noise level (measured in decibels) and people's responses.

Noise ‘maps’

show that the highest noise levels are usually found on roadsdo not show other sources of noise, e.g. when windows are open or people's neighbours are in their 31ignore variation in people's perceptions of noisehave made people realize that the noise is a 32 issue that must be dealt with

Problems caused by noise

sleep disturbanceincrease in amount of stresseffect on the 33 of schoolchildren

Different types of noise

Some noises can be considered pleasant e.g. the sound of a 34 in a townTo investigate this, researchers may use methods from 35 sciences e.g. questionnairesWhat people wantPlenty of activity in urban environments which are 36 , but also allow people to relaxBut architects and town plannersdo not get much 37 in acousticsregard sound as the responsibility of engineers

Understanding sound as an art form

We need to knowhow sound relates to 38what can be learnt from psychology about the effects of soundwhether physics can help us understand the 39 of soundVirtual reality programsadvantage: predict the effect of buildingscurrent disadvantage: they are 40