Classificação - Intervalos Musicais
Autor: José Augusto Dias | Publicado: 2014-11-05T08:30:00-08:00





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Classificação dos Intervalos Musicais



Numérica:



De acordo
com o número de notas contidas no intervalo.



Primeira:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Contém apenas uma nota (uníssono)

Segunda:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Contém
duas notas

Terça:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Contém três notas 

Quarta:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Contém quatro notas&nbsp;

Quinta:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Contém cinco notas&nbsp;&nbsp;

Sexta:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Contém seis notas

Sétima:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Contém sete notas&nbsp;

Oitava:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Contém oito notas



A
classificação numérica é independente dos acidentes ou clave





Qualitativa:



De acordo
com o número de tons e semitons contidos no intervalo.





Intervalos
Justos:



Primeira
justa (1ª j): Compreende dois sons iguais (uníssono) – Ex: Dó3/Dó3

Quarta
justa (4ª j): formada por dois tons e um semitom – Ex: Dó/Fá

Quinta
justa (5ª j): formada por três tons e um semitom – Ex: Dó/Sol



- Notas que formam um intervalo de quinta na pauta
musical são escritas em linhas ou espaços, separadas por uma linha ou espaço&nbsp; 



Oitava
justa (8ª j): formada por cinco tons e dois semitons – Ex: Dó3/Dó4





Intervalos
Maiores e Menores:



Segunda
Maior (2ª M): formada por um tom - Ex: Dó/Ré

Segunda
menor (2ª m): formada por um semitom – Ex: Dó#/Ré



Terça
Maior (3ª M): formada por dois tons – Ex: Dó/Mi

Terça
menor (3ª m): formada por um tom e meio – Ex: Dó/Mib



- Notas que formam terças ocupam linhas ou espaços
consecutivos na pauta musical



Sexta
Maior (6ª M): formada por quatro tons e meio – Ex: Dó/Lá

Sexta
menor (6ª m): formada por três tons e dois semitons – Ex: Dó/Láb



- Quatro tons não formam uma sexta menor.



Sétima
Maior (7ª M): formada por cinco tons e meio – Ex: Dó/Si

Sétima
menor (7ª m): formada por quatro tons e dois semitons – Ex: Dó/Sib



- Cinco tons não formam uma sétima menor.





Intervalos
Aumentados e Diminutos:



Intervalos
Aumentados: São os que têm um semitom a mais que os justos ou maiores – Ex:
Dó/Fá# (Quarta aumentada ou Trítono)



Intervalos
Diminutos: São os que têm um semitom a menos que os justos ou menores – Ex:
Dó/Fab (Quarta diminuta)



Intervalos Compostos:



São os
intervalos que ultrapassam o limite da oitava. Na realidade ele é um intervalo
simples acrescido de uma oitava.



Exemplos:

Intervalo de Nona
-&gt;&nbsp; subtrai-se 7 -&gt;&nbsp; equivale a um intervalo de segunda

Intervalo de
Décima primeira&nbsp; -&gt; subtrai-se 7&nbsp; -&gt; equivale a um intervalo de quarta