7/21/2019 U1 MUSIC I

http://slidepdf.com/reader/full/u1-music-i 1/12

1. Sound: Qualities of sound1. Sound: Qualities of sound1.1. How it is produced

1.2. How it propagates

1.3. How we hear 

2. Silence2. Silence2.1. Silence in music: rest

3.3. Qualities of soundQualities of sound

4.4. Alternative graphic notationAlternative graphic notation4.1. Pitch sm!ols4.2. "uration sm!ols

4.3. #ntensit sm!ols

4.4. $im!re sm!ols

#nde% of the !oo&#nde% of the !oo&

7/21/2019 U1 MUSIC I

http://slidepdf.com/reader/full/u1-music-i 2/12

Sound1.1. How it is produced

Sound is produced when an o!'ect vi!ratesvi!rates and that movement

travels through sound wavessound waves until it reaches our ears.

7/21/2019 U1 MUSIC I

http://slidepdf.com/reader/full/u1-music-i 3/12

Sound1.2. How it propagates

Sound propagates at high speeds..

$he waves travel through the air.

(hen sound waves find an o!stacle on their wa:

$he are reflected or !ounced !ac& in the opposite

direction of the sound source.

7/21/2019 U1 MUSIC I

http://slidepdf.com/reader/full/u1-music-i 4/12

Sounds are pic&ed up ! the eardrum.

Sound waves hit the eardrum and ma&e it

vi!rate.

$he eardrum)s vi!rations are turned into

nerve impulses.

$he transmit the information to the !rain.

Sound1.3. How we hear 

7/21/2019 U1 MUSIC I

http://slidepdf.com/reader/full/u1-music-i 5/12

Silence is the absence of sound or noise.

There isn’t such thing as absolute silence.

Silence2.1. Silence in music: rest

#t is something relative*+$he !lan& space of music,.

#t is the indispensi!le previouscondition to en'o -usic.Silence in

music#t serves as a !rea&* to catch one)s!reath.

#t is a resource of great e%pressiveenerg.

7/21/2019 U1 MUSIC I

http://slidepdf.com/reader/full/u1-music-i 6/12

SoundSound is the elementis the element with which we create music.with which we create music.

Qualities of sound

Stud of the ualities of sound and howStud of the ualities of sound and howto organi/e them.to organi/e them.0anguage of music0anguage of music

7/21/2019 U1 MUSIC I

http://slidepdf.com/reader/full/u1-music-i 7/12

(e use musical notation to represent the different wor&ing

possi!ilities of sound for creating it* as well as performing and

preserving it.

Alternative graphic notation

Along with conventional notation* some alternative sm!ols are

used too. $he are capa!le of meeting the needs of

contemporar music and its new sounds in a more e%pressive

and free wa.

7/21/2019 U1 MUSIC I

http://slidepdf.com/reader/full/u1-music-i 8/12

P#$HP#$H

Alternative graphic notation4.1. Pitch sm!ols

High sounds

0ow sounds

7/21/2019 U1 MUSIC I

http://slidepdf.com/reader/full/u1-music-i 9/12

Alternative graphic notation4.2. "uration sm!ols

"A$#56"A$#56

0ong sounds0ong sounds

Short soundsShort sounds

7/21/2019 U1 MUSIC I

http://slidepdf.com/reader/full/u1-music-i 10/12

#6$76S#$8#6$76S#$8

Alternative graphic notation4.3. #ntensit sm!ols

0oud sounds

hange the thic&ness of the stro&e or the colorintensit

Short sounds

9radual orprogressive intensit

changes

7/21/2019 U1 MUSIC I

http://slidepdf.com/reader/full/u1-music-i 11/12

$#-7$#-7

Alternative graphic notation4.4. $im!re sm!ols 

7/21/2019 U1 MUSIC I

http://slidepdf.com/reader/full/u1-music-i 12/12;ndice del li!ro;ndice del li!ro