Here you have a video about the anechoic chamber, it's a room in that you speak and there isn't echo.
Do you think that you can stay for an hour there?
https://www.youtube.com/watch?v=mXVGIb3bzHI
And here you have a video about a deaf girl. It's incredible. What do you think about?
https://www.ted.com/talks/evelyn_glennie_shows_how_to_listen?language=es
QUALITIES OF SOUND.
INTENSITY.
It allows us to distinguish between loud and soft sounds.
The intensity depends in the wave amplitude:
The up wave represent a loud wave and the donw's one represent a soft wave.
LETTERS:
PP: pianissimo ( very soft )
P: piano ( soft )
MP: mezzo piano ( moderately soft )
MF:mezzoforte ( moderately loud )
F: forte ( loud )
FF: fortissimo ( very loud )
Sf; sforzando ( accented )
Italian terms:
Crescendo: gradually increasing intensity.
Decrescendo: gradually decreasing intensity:
Hairpins: symbols that indicate a gradual change of intensity.
FINALLY HERE YOU HAVE SOME VOCABULARY:
Acoustic pollution: contaminacion acustica.
Sound: sonido.
Noise: ruido.
Staff: pentagrama
Clef: clave.
Wave: onda.
Eardrum: tímpano.
Hear: oír.
Listen: escuchar.
Ear:oreja.
Vibration: vibracion.
Notes: notas