{"id":11520,"date":"2019-09-18T13:18:28","date_gmt":"2019-09-18T11:18:28","guid":{"rendered":"https:\/\/musartedo.com\/?p=11520"},"modified":"2020-02-28T15:27:48","modified_gmt":"2020-02-28T14:27:48","slug":"distortion-saturation","status":"publish","type":"post","link":"https:\/\/musartedo.com\/en\/2019\/09\/distortion-saturation\/","title":{"rendered":"DISTORTION & SATURATION"},"content":{"rendered":"

Pod\u00edvejte se spole\u010dn\u011b s n\u00e1mi na z\u00e1kladn\u00ed typy zkreslen\u00ed audio sign\u00e1lu<\/span><\/p>\n

K distorzi (angl. distortion) doch\u00e1z\u00ed, kdy\u017e je sign\u00e1l zvuku pomoc\u00ed zes\u00edlen\u00ed zkreslen do t\u00e9 m\u00edry, \u017ee je jeho charakter zm\u011bn\u011bn nebo je sign\u00e1l p\u0159\u00edmo po\u0161kozen. Tento proces p\u0159id\u00e1v\u00e1 (nebo zesiluje) vy\u0161\u0161\u00ed harmonick\u00e9 t\u00f3ny, z\u00e1rove\u0148 v\u0161ak zplo\u0161\u0165uje nebo o\u0159ez\u00e1v\u00e1 vrcholy zvukov\u00e9 vlny (waveform). Nap\u0159\u00edklad sinusov\u00e9 vln\u011b, kter\u00e1 \u017e\u00e1dn\u00e9 alikv\u00f3ty nem\u00e1, m\u016f\u017eeme t\u00edmto zp\u016fsobem vy\u0161\u0161\u00ed harmonick\u00e9 t\u00f3ny p\u0159idat a vytvo\u0159it tak nov\u00fd zvuk.<\/span><\/p>\n

O saturaci mluv\u00edme hlavn\u011b v souvislosti s magnetofony a magnetofonov\u00fdmi p\u00e1sky nebo analogov\u00fdm sign\u00e1lem. V p\u0159\u00edpad\u011b magnetofon\u016f doch\u00e1z\u00ed d\u00edky zv\u00fd\u0161en\u00ed urovn\u011b sign\u00e1lu na vstupu p\u0159\u00edstroje k magnetick\u00e9 kompresi a uprav\u011b transient\u016f (po\u010d\u00e1te\u010dn\u00ed r\u016fst zvukov\u00e9 vlny). <\/span><\/p>\n

Zkreslen\u00ed neboli distortion m\u016f\u017eeme nal\u00e9zt v mnoha odli\u0161n\u00fdch form\u00e1ch a d\u00edky nim doc\u00edl\u00edme i naprosto odli\u0161n\u00e9 v\u00fdsledky. Vybrat spr\u00e1vn\u00fd typ zkreslen\u00ed je d\u016fle\u017eit\u00e9 s ohledem na to, \u010deho chceme doc\u00edlit.<\/span><\/p>\n

Tape Saturation <\/b>(p\u00e1skov\u00e1 saturace) <\/b><\/span><\/p>\n

Chceme-li doc\u00edlit jemn\u00e9 teplej\u0161\u00ed barvy zvuku, m\u016f\u017eeme pou\u017e\u00edt tento typ zkreslen\u00ed sign\u00e1lu. <\/span><\/p>\n

Tube Distortion<\/b><\/span><\/p>\n

Vyu\u017e\u00edv\u00e1 <\/b>ke zkreslen\u00ed obvody, kter\u00e9 p\u0159i p\u0159edimenzovan\u00e9m sign\u00e1lu vytv\u00e1\u0159ej\u00ed dodate\u010dn\u00e9 vy\u0161\u0161\u00ed harmonick\u00e9 t\u00f3ny na lich\u00fdch nebo sud\u00fdch frekvenc\u00edch. Z\u00e1le\u017e\u00ed na typu elektronky. Sud\u00e9 vy\u0161\u0161\u00ed harmonick\u00e9 t\u00f3ny jsou tradi\u010dn\u011b ty p\u0159\u00edjemn\u011bj\u0161\u00ed (le\u017e\u00ed \u010dasto na okt\u00e1v\u00e1ch v\u016f\u010di zakladn\u00edmu t\u00f3nu), lich\u00e9 vy\u0161\u0161\u00ed harmonick\u00e9 t\u00f3ny naopak dod\u00e1vaj\u00ed zvuku agresivn\u011bj\u0161\u00ed charakter.<\/span><\/p>\n

Digital Distortion<\/b><\/span><\/p>\n

Kdy\u017e se zvukov\u00e1 vlna za\u010dne na sv\u00fdch vrcholc\u00edch o\u0159ez\u00e1vat nebo zplo\u0161\u0165ovat a celkov\u011b roz\u0161i\u0159ovat, vznik\u00e1 digitaln\u00ed zkreslen\u00ed. Mezi tento typ m\u016f\u017eeme za\u0159adit Bitchrushing<\/b>, kdy je\u0161t\u011b nav\u00edc sni\u017eujeme bitov\u00e9 rozli\u0161en\u00ed audio sign\u00e1lu.<\/span><\/p>\n

Analog nebo drive<\/b><\/span><\/p>\n

Najdeme na na\u0161ich virtu\u00e1ln\u00edch syntez\u00e1torech nebo i kompresorech (nap\u0159. Kompresory Logicu Pro X). Op\u011bt se v\u011bt\u0161inou jedn\u00e1 o jemnou saturaci vy\u0161\u0161\u00edch harmonick\u00fdch t\u00f3n\u016f. Kompresory v Logicu Pro X, kter\u00fdch je celkem sedm a inspiruj\u00ed se existuj\u00edc\u00edmi hardwarov\u00fdmi prot\u011bj\u0161ky, se pr\u00e1v\u011b mimo jin\u00e9 od sebe odli\u0161uj\u00ed i r\u016fzn\u00fdm typem saturace pomoc\u00ed funkce Distortion. N\u011bkter\u00e9 kompresory saturuj\u00ed jen lich\u00e9, jin\u00e9 pouze sud\u00e9 alikv\u00f3ty, pop\u0159\u00edpad\u011b n\u011bkter\u00e9 z nich sud\u00e9 i lich\u00e9 vy\u0161\u0161\u00ed harmonick\u00e9 t\u00f3ny.<\/span><\/p>","protected":false},"excerpt":{"rendered":"

Pod\u00edvejte se spole\u010dn\u011b s n\u00e1mi na z\u00e1kladn\u00ed typy zkreslen\u00ed audio sign\u00e1lu K distorzi (angl. distortion) doch\u00e1z\u00ed, kdy\u017e je sign\u00e1l zvuku pomoc\u00ed zes\u00edlen\u00ed zkreslen do t\u00e9 m\u00edry, \u017ee je jeho charakter zm\u011bn\u011bn nebo je sign\u00e1l p\u0159\u00edmo po\u0161kozen. Tento proces p\u0159id\u00e1v\u00e1 (nebo … <\/p>","protected":false},"author":2,"featured_media":11522,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"_acf_changed":false,"pmpro_default_level":"","footnotes":""},"categories":[31,94],"tags":[],"class_list":["post-11520","post","type-post","status-publish","format-gallery","has-post-thumbnail","hentry","category-blog","category-music-production","post_format-post-format-gallery","pmpro-has-access"],"acf":[],"_links":{"self":[{"href":"https:\/\/musartedo.com\/en\/wp-json\/wp\/v2\/posts\/11520","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/musartedo.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/musartedo.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/musartedo.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/musartedo.com\/en\/wp-json\/wp\/v2\/comments?post=11520"}],"version-history":[{"count":0,"href":"https:\/\/musartedo.com\/en\/wp-json\/wp\/v2\/posts\/11520\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/musartedo.com\/en\/wp-json\/wp\/v2\/media\/11522"}],"wp:attachment":[{"href":"https:\/\/musartedo.com\/en\/wp-json\/wp\/v2\/media?parent=11520"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/musartedo.com\/en\/wp-json\/wp\/v2\/categories?post=11520"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/musartedo.com\/en\/wp-json\/wp\/v2\/tags?post=11520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}