properties of sound

 

INTENSITY 

- IF A SOUND IS LOUD OR QUIET

IN THE MINUTE 0:30 IS A CRETCHENDO FROM MEZZOFORTE TO FORTÍSIMO



DURATION

- IF A SOUND IS LONG OR SHORT


THIS IS A SHORT SOUND


THIS IS A LONG SOUND





PITCH

- IF A SOUND IS LOW OR HIGH



THIS SONG IS LOW


THIS SOUND IS HIGH





TIMBRE

IF IS A SOUND OR A NOISE


THIS IS A SOUND, BECAUSE HAVE REGULAR WEAVES


THIS IS A NOISE, BECAUSE HAVE IRREGULAR WEAVES





 SOUND POLLUTION

1. Read the explanation about noise pollution and watch the related video.

a) List the different types of noise pollution mentioned in the video.

b) What decibel level does the World Health Organization define as noise pollution? Is it the same for all cities and all public places?

c) Describe four negative effects of noise pollution that have an impact on people’s health.


2.  complete these sentences with words related to sound qualities:

a) The property or parameter relating to time is   .

b) A loud or soft sound tells us about its   .

c) That voice sounds familiar; I recognise its   .

d) His voice was so    that I could hardly hear it.

e) That siren was emitting a sound that was very   .





TIME SIGNATURE


ORGANISES IN REGULAR WAY WITHIN A SERIES OF A BEAT;
THERE ARE THREE TYPES OF TIMES:



DUPLE TIME        TRIPLE TIME      QUADRUPLE TIME

                 +-+-+-+-+-+                             +--+--+--+--+                             +---+---+---+---+




               


                                           

                                             THIS SONG HAVE A 2/4 TIME




THIS SONG HAVE A 3/4 TIME




                                                     THIS SONG HAVE A 4/4 TIME



                                                                        INCREDIBOX

incredibox.com/mix/d9589e284c8df583b69f-v4









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