{"id":36589,"date":"2019-10-31T22:12:30","date_gmt":"2019-10-31T19:12:30","guid":{"rendered":"https:\/\/prohoster.info\/blog\/kak-napisat-muzyku-ispolzuya-oop\/"},"modified":"2019-10-31T22:12:30","modified_gmt":"2019-10-31T19:12:30","slug":"kak-napisat-muzyku-ispolzuya-oop","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/kak-napisat-muzyku-ispolzuya-oop","title":{"rendered":"How to write music using OOP","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Vi taler om historien bag det softwarev\u00e6rkt\u00f8j, OpenMusic (OM), analyserer dets struktur og fort\u00e6ller om de f\u00f8rste brugere. Derudover pr\u00e6senterer vi alternativer.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/audiomania\/blog\/461403\/\"><img decoding=\"async\" alt=\"How to write music using OOP\" src=\"\/wp-content\/uploads\/2019\/07\/03527608aa7542c035cfe9897deaa5d0.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n<i>Foto <noindex><a rel=\"nofollow\" href=\"https:\/\/unsplash.com\/photos\/J6WmcJrvlLI\"> James Baldwin<\/a><\/noindex> \/ Unsplash<\/i><\/p>\n<h2>Hvad er OpenMusic<\/h2>\n<p>\nDet er en objektorienteret <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%92%D0%B8%D0%B7%D1%83%D0%B0%D0%BB%D1%8C%D0%BD%D0%BE%D0%B5_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5\">visuel programmeringsmilj\u00f8<\/a><\/noindex> til syntese af digital lyd. V\u00e6rkt\u00f8jet er baseret p\u00e5 en dialekt af programmeringssproget LISP \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/Common_Lisp\">Common Lisp<\/a><\/noindex>. Det skal bem\u00e6rkes, at OpenMusic kan bruges som et universelt grafisk interface for dette programmeringssprog.<\/p>\n<p>V\u00e6rkt\u00f8jet blev udviklet i 90'erne af ingeni\u00f8rer fra det franske institut for forskning og koordinering af akustik og musik (<noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/IRCAM\">IRCAM<\/a><\/noindex>). I alt blev der pr\u00e6senteret syv versioner af OpenMusic \u2014 den sidste blev udgivet i 2013. Dengang tilbageskrev ingeni\u00f8ren fra IRCAM, Jean Bresson (<noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/j-bresson\">Jean Bresson<\/a><\/noindex>), v\u00e6rkt\u00f8jet fra bunden, baseret p\u00e5 <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/openmusic-project\/OM6\/\">den originale kode<\/a><\/noindex> fra den sjette version (OM6). I dag distribueres OM7 under licens <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/GNU_General_Public_License#GPL_v3\">GPLv3<\/a><\/noindex> \u2014 dens kildekoder kan <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/openmusic-project\/om7\">findes p\u00e5 GitHub<\/a><\/noindex>.<\/p>\n<h2>Hvordan man arbejder med det<\/h2>\n<p>\nProgrammer i OpenMusic oprettes ved at manipulere grafiske objekter i stedet for at skrive kode. Resultatet er en slags blokdiagram kendt som et 'patch'. P\u00e5 samme m\u00e5de som modul\u00e6re synthesizere, hvor patch-kabler blev brugt til forbindelser.<\/p>\n<p>Her er <noindex><a rel=\"nofollow\" href=\"https:\/\/openmusic-project.github.io\/om7\/\">et eksempel p\u00e5 et program<\/a><\/noindex> OpenMusic, taget fra et repository p\u00e5 GitHub:<\/p>\n<p><img decoding=\"async\" alt=\"How to write music using OOP\" src=\"\/wp-content\/uploads\/2019\/07\/6785fe87af24c7509172239adc6b2d09.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nI OpenMusic findes der to typer objekter: basale og partiturobjekter (Score Object). De f\u00f8rste repr\u00e6senterer forskellige matematiske operationer til arbejde med matricer, kolonner og tekstformer.<\/p>\n<p>Partiturobjekter er n\u00f8dvendige til arbejde med lyd. De kan ogs\u00e5 opdeles i to grupper:<\/p>\n<ul>\n<li>Harmoniske \u2014 noder, akkorder og <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%90%D0%BA%D0%BA%D0%BE%D1%80%D0%B4%D0%BE%D0%B2%D0%B0%D1%8F_%D0%BF%D0%BE%D1%81%D0%BB%D0%B5%D0%B4%D0%BE%D0%B2%D0%B0%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D0%BE%D1%81%D1%82%D1%8C\">harmoniske sekvenser<\/a><\/noindex>.<\/li>\n<li>Rytmiske \u2014 stemmer og takter.<\/li>\n<\/ul>\n<p>\nPartiturobjekter styres ved hj\u00e6lp af partiturfunktioner, der f.eks. samler flere komponenter til at skabe polyfonisk lyd. Yderligere funktioner kan findes i tilsluttede biblioteker \u2014 en komplet liste af dem <noindex><a rel=\"nofollow\" href=\"https:\/\/openmusic-project.github.io\/om7\/\">er tilg\u00e6ngelig p\u00e5 den officielle hjemmeside<\/a><\/noindex>.<\/p>\n<p>Et eksempel p\u00e5 en melodi genereret af OpenMusic kan lyttes til <noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=YA0azFm29ts\">i denne video<\/a><\/noindex>:<\/p>\n<p><center><div class=\"youtube-placeholder\" data-id=\"YA0azFm29ts\" onclick=\"loadVideo(this)\">\r\n        <img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/YA0azFm29ts\/hqdefault.jpg\" alt=\"Afspil video\" loading=\"lazy\" width=\"480\" height=\"360\" style=\"width:100%;height:auto;\">\r\n        <div class=\"play-button\"><\/div>\r\n    <\/div><\/center><br \/>\nFor at blive bekendt med v\u00e6rkt\u00f8jet og dets muligheder, anbefaler vi at konsultere dokumentationen. <noindex><a rel=\"nofollow\" href=\"https:\/\/openmusic-project.github.io\/om7\/\">H\u00e5ndbogen til OM7<\/a><\/noindex> er endnu under udvikling. Men du kan se h\u00e5ndbogen for OM6 \u2014 du skal <noindex><a rel=\"nofollow\" href=\"http:\/\/support.ircam.fr\/docs\/om\/om6-manual\/co\/OM-Documentation.html\">f\u00f8lge linket<\/a><\/noindex> og i venstre vindue udvide punktet User Manual.<\/p>\n<h2>Hvem bruger<\/h2>\n<p>\nIf\u00f8lge udviklerne kan OpenMusic bruges til at oprette og redigere lydspor, generere matematiske modeller af v\u00e6rker og analysere optagne musikuddrag. Ingeni\u00f8rer fra ITCAM har anvendt v\u00e6rkt\u00f8jet i flere videnskabelige unders\u00f8gelser. For eksempel til <noindex><a rel=\"nofollow\" href=\"https:\/\/hal.archives-ouvertes.fr\/hal-01839050\/document\">skabelsen<\/a><\/noindex> et kunstig intelligenssystem, der genkender <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Musical_gesture\">musikale gestus<\/a><\/noindex> i lydoptagelser.<\/p>\n<p>Professionelle kunstnere arbejder ogs\u00e5 med OpenMusic \u2013 de bruger v\u00e6rkt\u00f8jet til at studere harmoniske spektre. Et eksempel er den schweiziske komponist <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%96%D0%B0%D1%80%D1%80%D0%B5%D0%BB%D1%8C,_%D0%9C%D0%B8%D0%BA%D0%B0%D1%8D%D0%BB%D1%8C\">Mika\u00ebl Jarrell<\/a><\/noindex>, som er vinder af Beethoven-prisen. Hans v\u00e6rker, udf\u00f8rt af Hongkong symfoniorkester, kan <noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=2by3aXXd6Pg\">lyttes til her<\/a><\/noindex>.<\/p>\n<p>Det er ogs\u00e5 v\u00e6rd at n\u00e6vne <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%9C%D1%8E%D1%80%D0%B0%D0%B9,_%D0%A2%D1%80%D0%B8%D1%81%D1%82%D0%B0%D0%BD\">Tristan Murail<\/a><\/noindex>. Han er en af de st\u00f8rste komponister, der arbejder inden for <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A1%D0%BF%D0%B5%D0%BA%D1%82%D1%80%D0%B0%D0%BB%D1%8C%D0%BD%D0%B0%D1%8F_%D0%BC%D1%83%D0%B7%D1%8B%D0%BA%D0%B0\">spektromusik<\/a><\/noindex>. For eksempel findes hans v\u00e6rker p\u00e5 YouTube <noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=q6WXzOIsBuQ\">Gondwana<\/a><\/noindex> og <noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=Oo_RyHTnERU\">Le partage des eaux<\/a><\/noindex>, skabt med OpenMusic.<\/p>\n<p><center><div class=\"youtube-placeholder\" data-id=\"Oo_RyHTnERU\" onclick=\"loadVideo(this)\">\r\n        <img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/Oo_RyHTnERU\/hqdefault.jpg\" alt=\"Afspil video\" loading=\"lazy\" width=\"480\" height=\"360\" style=\"width:100%;height:auto;\">\r\n        <div class=\"play-button\"><\/div>\r\n    <\/div><\/center><br \/>\nDen engelske komponist og underviser <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A4%D1%91%D1%80%D0%BD%D0%B8%D1%85%D0%BE%D1%83,_%D0%91%D1%80%D0%B0%D0%B9%D0%B0%D0%BD\">Brian Ferneyhough<\/a><\/noindex> har anvendt OpenMusic til at arbejde med rytme. I dag indg\u00e5r hans musik i repertoiret for de st\u00f8rste moderne ensembler og kunstnere \u2013 <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%9A%D0%B2%D0%B0%D1%80%D1%82%D0%B5%D1%82_%D0%90%D1%80%D0%B4%D0%B8%D1%82%D1%82%D0%B8\">Arditti Quartett<\/a><\/noindex> og <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%90%D1%80%D1%82%D0%BE,_%D0%9F%D1%8C%D0%B5%D1%80_%D0%98%D0%B2\">Pierre-Yves Artaud<\/a><\/noindex>.<\/p>\n<h2>Analoger<\/h2>\n<p>\nDer findes flere systemer, der ligner OpenMusic. M\u00e5ske det mest kendte er det kommercielle v\u00e6rkt\u00f8j <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Max\/MSP\">Max\/MSP<\/a><\/noindex>. Det blev udviklet af Miller Puckette i slutningen af 80'erne, mens han arbejdede ved IRCAM. Systemet muligg\u00f8r realtids-syntese af digital lyd og video.<\/p>\n<p>I videoen nedenfor pr\u00e6senteres en installation p\u00e5 en af bygningerne i den italienske by Cagliari. Farverne p\u00e5 sk\u00e6rmene \u00e6ndrer sig afh\u00e6ngigt af st\u00f8jen fra forbipasserende biler. Installationen styres af en kombination af Max\/MSP og Arduino.<\/p>\n<p><center><iframe loading=\"lazy\" title=\"Tlight\" width=\"560\" height=\"315\" src=\"https:\/\/player.vimeo.com\/video\/14085912\" frameborder=\"0\" allowfullscreen><\/iframe><\/center><br \/>\nDet er v\u00e6rd at bem\u00e6rke, at Max\/MSP har en open-source analog. Den kaldes <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Pure_Data\">Pure Data<\/a><\/noindex>, og dens udvikler var ogs\u00e5 Miller Puckette.<\/p>\n<p>Det er ogs\u00e5 v\u00e6rd at fremh\u00e6ve det visuelle system <noindex><a rel=\"nofollow\" href=\"http:\/\/chuck.cs.princeton.edu\/\">ChucK<\/a><\/noindex>, som blev opfundet af Perry Cook og kolleger fra Princeton University i 2003. Det underst\u00f8tter parallel udf\u00f8relse af flere tr\u00e5de, og der kan foretages \u00e6ndringer i programmet under udf\u00f8relsen. Det distribueres under GNU GPL.<\/p>\n<p>Listen over v\u00e6rkt\u00f8jer til syntese af digital musik stopper ikke her. Der er ogs\u00e5 <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Kyma_(sound_design_language)\">Kyma<\/a><\/noindex> og <noindex><a rel=\"nofollow\" href=\"http:\/\/overtone.github.io\/\">Overtone<\/a><\/noindex>, som g\u00f8r det muligt at programmere mixes direkte p\u00e5 scenen. Dem vil vi fors\u00f8ge at fort\u00e6lle om n\u00e6ste gang.<\/p>\n<p>\nYderligere l\u00e6sning \u2014 fra vores \"Verdens Hi-Fi\" og Telegram-kanal:<\/p>\n<p><img decoding=\"async\" alt=\"How to write music using OOP\" src=\"\/wp-content\/uploads\/2019\/07\/8913ea49c2bffe44416da575d424b9d7.jpg\" style=\"display:block;margin: 0 auto;\" \/> <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/audiomania\/blog\/461299\/\">Hvordan PC'en erobrer medieindustrien med succesfuld software<\/a><\/noindex><br \/>\n<img decoding=\"async\" alt=\"How to write music using OOP\" src=\"\/wp-content\/uploads\/2019\/07\/cbc3b067a966ee35edcae6676ffa0a24.jpg\" style=\"display:block;margin: 0 auto;\" \/> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.audiomania.ru\/content\/art-6670.html\">Hvor kan man finde lydeksamples til dine projekter: en samling af ni ressourcer<\/a><\/noindex><br \/>\n<img decoding=\"async\" alt=\"How to write music using OOP\" src=\"\/wp-content\/uploads\/2019\/07\/80d4d2bc14016e8226ce9f7122bdfd0e.jpg\" style=\"display:block;margin: 0 auto;\" \/> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.audiomania.ru\/content\/art-6638.html\">Musik til dine projekter: 12 tematiske ressourcer med spor under CC-licens<\/a><\/noindex><br \/>\n<img decoding=\"async\" alt=\"How to write music using OOP\" src=\"\/wp-content\/uploads\/2019\/07\/690399c643a5185387f4dfb44b6ab105.jpg\" style=\"display:block;margin: 0 auto;\" \/> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.audiomania.ru\/content\/art-6637.html\">Innovation SSI-2001: historien om et af de sj\u00e6ldneste lydkort til IBM PC<\/a><\/noindex><br \/>\n<img decoding=\"async\" alt=\"How to write music using OOP\" src=\"\/wp-content\/uploads\/2019\/07\/8f4e30a5e6719881ef1b97afdc73892d.jpg\" style=\"display:block;margin: 0 auto;\" \/> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.audiomania.ru\/content\/art-6552.html\">Historien om audioteknologi: synthesizere og samplers<\/a><\/noindex><br \/>\n<img decoding=\"async\" alt=\"How to write music using OOP\" src=\"\/wp-content\/uploads\/2019\/07\/1048b69feecb5ac7b66677e7a0df7cb8.jpg\" style=\"display:block;margin: 0 auto;\" \/> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.audiomania.ru\/content\/art-6499.html\">En entusiast har genskabt lydkortet Sound Blaster 1.0<\/a><\/noindex><br \/>\n<img decoding=\"async\" alt=\"How to write music using OOP\" src=\"\/wp-content\/uploads\/2019\/07\/f2e6b9bd357392ee45c9e996a6c2224a.jpg\" style=\"display:block;margin: 0 auto;\" \/> <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/audiomaniaRU\/783\">Hvordan musikformater har \u00e6ndret sig i l\u00f8bet af de sidste 100 \u00e5r<\/a><\/noindex><br \/>\n<img decoding=\"async\" alt=\"How to write music using OOP\" src=\"\/wp-content\/uploads\/2019\/07\/1170b74cd464d1b6138511dafe6118dc.jpg\" style=\"display:block;margin: 0 auto;\" \/> <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/audiomaniaRU\/773\">Hvordan et IT-firma k\u00e6mpede for at f\u00e5 ret til at s\u00e6lge musik<\/a><\/noindex><\/p>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/audiomania\/blog\/461403\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0413\u043e\u0432\u043e\u0440\u0438\u043c \u043e\u0431 \u0438\u0441\u0442\u043e\u0440\u0438\u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430 OpenMusic (OM), \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u0435\u043c \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u0435\u0433\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430, \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u043c \u043e \u043f\u0435\u0440\u0432\u044b\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u0445. \u041f\u043b\u044e\u0441 \u043a \u044d\u0442\u043e\u043c\u0443 \u2014 \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u043c \u0430\u043d\u0430\u043b\u043e\u0433\u0438. \u0424\u043e\u0442\u043e James Baldwin \/ Unsplash \u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 OpenMusic \u042d\u0442\u043e \u2014 \u043e\u0431\u044a\u0435\u043a\u0442\u043d\u043e-\u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u0432\u0438\u0437\u0443\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0440\u0435\u0434\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u043b\u044f \u0441\u0438\u043d\u0442\u0435\u0437\u0430 \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0433\u043e \u0437\u0432\u0443\u043a\u0430. \u0423\u0442\u0438\u043b\u0438\u0442\u0430 \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u0430 \u043d\u0430 \u0434\u0438\u0430\u043b\u0435\u043a\u0442\u0435 \u044f\u0437\u044b\u043a\u0430 LISP \u2014 Common Lisp. \u0421\u0442\u043e\u0438\u0442 \u043e\u0442\u043c\u0435\u0442\u0438\u0442\u044c, \u0447\u0442\u043e OpenMusic \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0432 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":27396,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-36589","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0413\u043e\u0432\u043e\u0440\u0438\u043c \u043e\u0431 \u0438\u0441\u0442\u043e\u0440\u0438\u0438 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