{"id":5897,"date":"2012-05-21T08:27:56","date_gmt":"2012-05-21T11:27:56","guid":{"rendered":"http:\/\/impressaodigital126.ufba.br\/?p=5897"},"modified":"2012-07-04T15:25:01","modified_gmt":"2012-07-04T18:25:01","slug":"desconstruindo-bach","status":"publish","type":"post","link":"https:\/\/id126ufba.com.br\/memoria\/desconstruindo-bach\/","title":{"rendered":"Desconstruindo Bach"},"content":{"rendered":"
\"Arte:Fernando<\/a>

Manipula\u00e7\u00e3o digital sobre partitura de Bach | Cr\u00e9dito: Fernando Vivas<\/p><\/div>\n

Software desenvolvido na Escola de M\u00fasica da Ufba amplia entendimento sobre os corais de Bach. <\/em><\/p>\n

Fernando Vivas<\/span><\/p>\n

Exerc\u00edcio obrigat\u00f3rio \u2013 e, dizem, estafante – nos cursos de m\u00fasica, a an\u00e1lise dos corais de Bach requer, al\u00e9m de paci\u00eancia, muito tempo. Em m\u00e9dia, um aluno costuma levar 40 minutos para interpretar a partitura de um coral. Mas, o Grupo de Pesquisa em Computa\u00e7\u00e3o Musical Genos<\/a>, da Escola de M\u00fasica da Ufba (Emus), desenvolveu um programa que agiliza essa tarefa: o Rameau<\/a>. Batizado em homenagem ao m\u00fasico e matem\u00e1tico franc\u00eas Jean-Philippe Rameau<\/a>, o programa examinou 266 corais de Bach (ao todo s\u00e3o 371) em menos de 20 segundos.<\/p>\n

Os corais de Bach costumam ser analisados pelos alunos da Emus, durante os cursos de gradua\u00e7\u00e3o (Canto, Composi\u00e7\u00e3o e Reg\u00eancia, Instrumento e Licenciatura), no primeiro e terceiro semestres da disciplina Literatura e Estrutura\u00e7\u00e3o Musical (LEM). Embora, \u201ca escolha do repert\u00f3rio para essa disciplina dependa muito da\u00a0prefer\u00eancia do professor\u201d, explica o professor Marcos Sampaio, que j\u00e1 ministrou essas disciplinas e trabalhou nas pesquisas do Rameau como integrante do Genos.<\/p>\n

\u201cA an\u00e1lise musical com o aux\u00edlio do computador \u00e9 importante porque pode ajudar a identificar elementos musicais em um grande corpus musical em um tempo curto\u201d, defende o grupo Genos em artigo<\/a> sobre o Rameau no XVIII Congresso da Associa\u00e7\u00e3o de Pesquisa e P\u00f3s-Gradua\u00e7\u00e3o (Anppom), realizado em Salvador, em 2008.<\/p>\n

Explorando os elementos musicais dos corais, como \u201cquintas e oitavas consecutivas, cad\u00eancias, \u00e2mbito de vozes, acordes de sexta aumentada e cruzamento de vozes\u201d, o Rameau foi capaz de detectar, por exemplo, que o soprano alcan\u00e7a a nota mais alta em 23 corais.<\/p>\n

Embora o emprego de computadores confira precis\u00e3o e agilidade \u00e0s pesquisas musicais, a combina\u00e7\u00e3o entre m\u00fasica e m\u00e1quinas divide opini\u00f5es dentro da academia. Para os que n\u00e3o v\u00eaem com bons olhos o assunto, Sampaio argumenta que \u201co Rameau foi desenvolvido como um programa acad\u00eamico, com a finalidade de resolver um problema de pesquisa (a an\u00e1lise harm\u00f4nica autom\u00e1tica)\u201d. Indica, ainda, que pode ser \u00fatil \u201cpara o aluno verificar se suas an\u00e1lises harm\u00f4nicas est\u00e3o corretas\u201d.<\/p>\n

Leia mais<\/strong><\/p>\n

Software descobre “erros” na teoria de computa\u00e7\u00e3o musical\u00a0<\/a><\/p>\n

M\u00fasica \u00e9 matem\u00e1tica?<\/a><\/p>\n


\n<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

O software Rameau, desenvolvido pelo Genos, grupo da Escola de M\u00fasica da Ufba (Emus) que pesquisa computa\u00e7\u00e3o musical, reduz o tempo de an\u00e1lise dos corais de Bach, ampliando o conhecimento pedag\u00f3gico sobre o tema.<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[4],"tags":[737,241,739,721,718,720,738,713,13],"acf":[],"aioseo_notices":[],"yoast_head":"\nDesconstruindo Bach - Impressao Digital 126<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/id126ufba.com.br\/memoria\/desconstruindo-bach\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Desconstruindo Bach - 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