{"id":195623,"date":"2022-03-23T06:59:24","date_gmt":"2022-03-23T10:59:24","guid":{"rendered":"https:\/\/en.tsc-stage.co\/learn\/tutorials\/animations-avec-caches-d-element-multimedia\/"},"modified":"2025-05-13T13:17:30","modified_gmt":"2025-05-13T17:17:30","slug":"animations-avec-caches-d-element-multimedia","status":"publish","type":"tutorial","link":"https:\/\/fr.tsc-stage.co\/learn\/tutoriels\/camtasia\/animations-avec-caches-d-element-multimedia\/","title":{"rendered":"Optimisation des animations avec les caches d\u2019\u00e9l\u00e9ments multim\u00e9dias"},"content":{"rendered":"<div id=\"bsf_rt_marker\"><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-a-propos-des-caches-d-elements-multimedias\">\u00c0 propos des caches d\u2019\u00e9l\u00e9ments multim\u00e9dias<\/h2>\n\n\n\n<p>L\u2019effet visuel Cache d\u2019\u00e9l\u00e9ment multim\u00e9dia simplifie l\u2019ajout de caches de piste pour \u00ab&nbsp;masquer&nbsp;\u00bb des \u00e9l\u00e9ments dans vos vid\u00e9os.<\/p>\n\n\n\n<p>Lorsque vous appliquez cet effet \u00e0 un \u00e9l\u00e9ment multim\u00e9dia sur une piste du plan de montage, certaines parties des \u00e9l\u00e9ments multim\u00e9dias plac\u00e9s sur les pistes juste en dessous sont visibles ou masqu\u00e9es, en fonction des propri\u00e9t\u00e9s de transparence et de luminosit\u00e9 de l\u2019\u00e9l\u00e9ment multim\u00e9dia sur la piste du haut.<br><img loading=\"lazy\" decoding=\"async\" width=\"319\" height=\"213\" class=\"wp-image-188824\" style=\"width: 319px;\" src=\"https:\/\/en.tsc-stage.co\/learn\/wp-content\/uploads\/2021\/12\/c2022-mediamatteeffectontrack.png\" alt=\"Effet Cache d\u2019\u00e9l\u00e9ment multim\u00e9dia sur une piste dans le plan de montage\" srcset=\"https:\/\/www.techsmith.com\/learn\/wp-content\/uploads\/2021\/12\/c2022-mediamatteeffectontrack.png 319w, https:\/\/www.techsmith.com\/learn\/wp-content\/uploads\/2021\/12\/c2022-mediamatteeffectontrack-300x200.png 300w, https:\/\/www.techsmith.com\/learn\/wp-content\/uploads\/2021\/12\/c2022-mediamatteeffectontrack-150x100.png 150w\" sizes=\"auto, (max-width: 319px) 100vw, 319px\" \/><\/p>\n\n\n\n<p>Camtasia prend en charge ces formats de fichiers multim\u00e9dias transparents&nbsp;: .mp4, .mov, .gif, .png et .bmp.<\/p>\n\n\n\n<div class=\"notice notice-camtasia\">\n\t<p><b>Remarque\u00a0:<\/b> Appliquez un cache d\u2019\u00e9l\u00e9ment multim\u00e9dia en mode Alpha \u00e0 une piste contenant un \u00e9l\u00e9ment multim\u00e9dia avec des pixels transparents ou qui ne couvre pas la totalit\u00e9 du canevas, comme une image fixe ou des annotations.<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-application-d-un-effet-de-cache-d-element-multimedia\">Application d\u2019un effet de cache d\u2019\u00e9l\u00e9ment multim\u00e9dia<\/h2>\n\n\n\n<p>Appliquez un effet Cache d\u2019\u00e9l\u00e9ment multim\u00e9dia \u00e0 un \u00e9l\u00e9ment multim\u00e9dia compatible sur une piste.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Cliquez sur l\u2019onglet <strong>Effets visuels<\/strong>.<\/li>\n\n\n\n<li>Faites glisser l\u2019effet <strong>Cache d\u2019\u00e9l\u00e9ment multim\u00e9dia<\/strong> sur une image ou un clip dans le plan de montage.<\/li>\n\n\n\n<li>Cliquez sur le bouton <strong>Propri\u00e9t\u00e9s<\/strong>.<\/li>\n\n\n\n<li>S\u00e9lectionnez un mode dans le menu d\u00e9roulant Mode. Voir <a href=\"#h-media-matte-modes\">Modes de caches d\u2019\u00e9l\u00e9ments multim\u00e9dias<\/a>.<br><figure><img loading=\"lazy\" decoding=\"async\" width=\"375\" height=\"194\" class=\"wp-image-188830\" style=\"width: 375px;\" src=\"https:\/\/en.tsc-stage.co\/learn\/wp-content\/uploads\/2021\/12\/c2022-MediaMatteProperties.png\" alt=\"Propri\u00e9t\u00e9s de cache d\u2019\u00e9l\u00e9ment multim\u00e9dia\" srcset=\"https:\/\/www.techsmith.com\/learn\/wp-content\/uploads\/2021\/12\/c2022-MediaMatteProperties.png 375w, https:\/\/www.techsmith.com\/learn\/wp-content\/uploads\/2021\/12\/c2022-MediaMatteProperties-300x155.png 300w, https:\/\/www.techsmith.com\/learn\/wp-content\/uploads\/2021\/12\/c2022-MediaMatteProperties-150x78.png 150w\" sizes=\"auto, (max-width: 375px) 100vw, 375px\" \/><\/figure><\/li>\n\n\n\n<li>Faites glisser le curseur <strong>Intensit\u00e9<\/strong> afin d\u2019ajuster la visibilit\u00e9 du mode choisi.<\/li>\n\n\n\n<li>R\u00e9glez la dur\u00e9e du lissage progressif ou d\u00e9gressif de l\u2019effet pendant la lecture de la vid\u00e9o. (Facultatif)<\/li>\n<\/ol>\n\n\n\n<div class=\"notice notice-camtasia\">\n\t<p><b>Remarque\u00a0:<\/b> Cr\u00e9ez des caches d\u2019\u00e9l\u00e9ments multim\u00e9dias avec des animations et transitions complexes en regroupant les \u00e9l\u00e9ments multim\u00e9dias. Voir <a href=\"https:\/\/fr.tsc-stage.co\/learn\/?post_type=tutorial&#038;p=182316\">Utilisation des onglets de groupe<\/a>.<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-modes-de-caches-d-elements-multimedias\">Modes de caches d\u2019\u00e9l\u00e9ments multim\u00e9dias<\/h2>\n\n\n\n<p>Apr\u00e8s avoir appliqu\u00e9 l\u2019effet Cache d\u2019\u00e9l\u00e9ment multim\u00e9dia, vous disposez de quatre modes dans le panneau des propri\u00e9t\u00e9s :<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"876\" height=\"342\" src=\"https:\/\/en.tsc-stage.co\/learn\/wp-content\/uploads\/2021\/12\/c2022-mattemodes-ex-test-EN-1.png\" alt=\"Exemples illustrant les modes de caches de pistes et d\u2019\u00e9l\u00e9ments multim\u00e9dias\" class=\"wp-image-188937\" srcset=\"https:\/\/www.techsmith.com\/learn\/wp-content\/uploads\/2021\/12\/c2022-mattemodes-ex-test-EN-1.png 876w, https:\/\/www.techsmith.com\/learn\/wp-content\/uploads\/2021\/12\/c2022-mattemodes-ex-test-EN-1-300x117.png 300w, https:\/\/www.techsmith.com\/learn\/wp-content\/uploads\/2021\/12\/c2022-mattemodes-ex-test-EN-1-768x300.png 768w, https:\/\/www.techsmith.com\/learn\/wp-content\/uploads\/2021\/12\/c2022-mattemodes-ex-test-EN-1-150x59.png 150w\" sizes=\"auto, (max-width: 876px) 100vw, 876px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Alpha\u00a0:<\/strong> les \u00e9l\u00e9ments multim\u00e9dias plac\u00e9s sur les pistes inf\u00e9rieures ne sont pas visibles \u00e0 travers les pixels transparents, mais visibles \u00e0 travers les pixels opaques de la piste situ\u00e9e au-dessus.\n<ul class=\"wp-block-list\">\n<li>Intensit\u00e9 maximale\u00a0= 100% visible<\/li>\n\n\n\n<li>Intensit\u00e9 minimale\u00a0= 0% visible<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Alpha invers\u00e9\u00a0:<\/strong> les \u00e9l\u00e9ments multim\u00e9dias plac\u00e9s sur les pistes inf\u00e9rieures sont visibles \u00e0 travers les pixels transparents, mais non visibles \u00e0 travers les pixels opaques de la piste situ\u00e9e au-dessus.\n<ul class=\"wp-block-list\">\n<li>Intensit\u00e9 maximale\u00a0= 0 % visible<\/li>\n\n\n\n<li>Intensit\u00e9 minimale\u00a0= 100 % visible<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Luminosit\u00e9\u00a0:<\/strong> le niveau de luminosit\u00e9 de l\u2019\u00e9l\u00e9ment multim\u00e9dia d\u00e9termine le niveau de visibilit\u00e9 et de transparence des pixels entre les pistes.\n<ul class=\"wp-block-list\">\n<li>Intensit\u00e9 maximale\u00a0= 100% visible<\/li>\n\n\n\n<li>Intensit\u00e9 minimale\u00a0= 0% visible<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Luminosit\u00e9 invers\u00e9e\u00a0:<\/strong> le niveau de luminosit\u00e9 de l\u2019\u00e9l\u00e9ment multim\u00e9dia d\u00e9termine le niveau de visibilit\u00e9 et de transparence des pixels entre les pistes.\n<ul class=\"wp-block-list\">\n<li>Intensit\u00e9 maximale\u00a0= 0 % visible<\/li>\n\n\n\n<li>Intensit\u00e9 minimale\u00a0= 100 % visible<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-ajout-manuel-de-caches-de-pistes\">Ajout manuel de caches de pistes<\/h2>\n\n\n\n<p>Pour activer manuellement les caches de pistes dans le plan de montage de Camtasia, cliquez avec le bouton droit de la souris (Windows) ou en appuyant sur la touche Ctrl (Mac) sur l\u2019ic\u00f4ne <img loading=\"lazy\" decoding=\"async\" width=\"25\" height=\"19\" class=\"wp-image-188908\" style=\"width: 25px;\" src=\"https:\/\/en.tsc-stage.co\/learn\/wp-content\/uploads\/2021\/12\/c2022-disabletrackicon.png\" alt=\"ic\u00f4ne D\u00e9sactiver la piste\"> d\u2019une piste, puis s\u00e9lectionnez un mode de cache de piste&nbsp;: <strong>Alpha<\/strong>, <strong>Alpha invers\u00e9<\/strong>, <strong>Luminosit\u00e9<\/strong>, ou <strong>Luminosit\u00e9 invers\u00e9e<\/strong>. Voir <a href=\"#h-media-matte-modes\">Modes de caches d\u2019\u00e9l\u00e9ments multim\u00e9dias<\/a>.<br><img loading=\"lazy\" decoding=\"async\" width=\"253\" height=\"163\" class=\"wp-image-188915\" style=\"width: 253px;\" src=\"https:\/\/en.tsc-stage.co\/learn\/wp-content\/uploads\/2021\/12\/c2022-trackmatte-options.png\" alt=\"Options de cache de piste\" srcset=\"https:\/\/www.techsmith.com\/learn\/wp-content\/uploads\/2021\/12\/c2022-trackmatte-options.png 253w, https:\/\/www.techsmith.com\/learn\/wp-content\/uploads\/2021\/12\/c2022-trackmatte-options-150x97.png 150w\" sizes=\"auto, (max-width: 253px) 100vw, 253px\" \/><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-ressources-complementaires\">Ressources compl\u00e9mentaires<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Explication des caches de pistes\u00a0:<\/strong> cette <a href=\"https:\/\/www.youtube.com\/watch?v=0TDd9K4Mg2g\" target=\"_blank\" rel=\"noreferrer noopener\">vid\u00e9o YouTube de 6\u00a0minutes<\/a> pr\u00e9sente la m\u00e9thode manuelle avec les caches de pistes.<\/li>\n\n\n\n<li><strong>Fiche PDF sur les caches de pistes\u00a0:<\/strong> t\u00e9l\u00e9chargez cette <a href=\"https:\/\/www.techsmith.fr\/blog\/wp-content\/uploads\/2022\/02\/TrackMattes_FR_2022-1.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">fiche de r\u00e9f\u00e9rence PDF<\/a> sur les modes de caches de pistes et les raccourcis clavier correspondants pour le plan de montage.<\/li>\n\n\n\n<li><strong>Projet de prise en main des caches de pistes\u00a0:<\/strong> t\u00e9l\u00e9chargez ce <a href=\"https:\/\/content.screencast.com\/users\/ScreencastViking\/folders\/Camtasia%202020%20Track%20Matte%20Project\/media\/6a38a1a7-5e07-42ff-9e25-6a56ff9fd2dc\/TrackMatteExampleProject.campackage?downloadOnly=true\">package d\u2019exemple de projet<\/a> avec des \u00e9l\u00e9ments multim\u00e9dias, un cache de piste et une animation pour vous exercer. Pour savoir comment importer et cr\u00e9er un projet vid\u00e9o \u00e0 partir de ce mod\u00e8le, voir <a href=\"https:\/\/fr.tsc-stage.co\/learn\/?post_type=tutorial&amp;p=182297\">Utilisation d\u2019un mod\u00e8le<\/a>.<\/li>\n<\/ul>\n\n\n","protected":false},"excerpt":{"rendered":"<p>\u00c0 propos des caches d\u2019\u00e9l\u00e9ments multim\u00e9dias L\u2019effet visuel Cache d\u2019\u00e9l\u00e9ment multim\u00e9dia simplifie l\u2019ajout de caches de piste pour \u00ab&nbsp;masquer&nbsp;\u00bb des \u00e9l\u00e9ments dans vos vid\u00e9os. Lorsque vous appliquez cet effet \u00e0 un \u00e9l\u00e9ment multim\u00e9dia sur une piste du plan de montage, certaines parties des \u00e9l\u00e9ments multim\u00e9dias plac\u00e9s sur les pistes juste en dessous sont visibles ou [&hellip;]<\/p>\n","protected":false},"author":89,"featured_media":213397,"comment_status":"closed","ping_status":"closed","template":"single-tutorial-redesign.php","tcategory":[1690,1391],"ttag":[1489],"tutorial_folder":[],"class_list":["post-195623","tutorial","type-tutorial","status-publish","has-post-thumbnail","hentry","tcategory-ameliorations-video","tcategory-animations-et-comportements","ttag-camtasia-fr-2"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.4 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Optimisation des animations avec les caches d\u2019\u00e9l\u00e9ments multim\u00e9dias | Camtasia Tutorial<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Optimisation des animations avec les caches d\u2019\u00e9l\u00e9ments multim\u00e9dias | Camtasia Tutorial\" \/>\n<meta property=\"og:description\" content=\"\u00c0 propos des caches d\u2019\u00e9l\u00e9ments multim\u00e9dias L\u2019effet visuel Cache d\u2019\u00e9l\u00e9ment multim\u00e9dia simplifie l\u2019ajout de caches de piste pour \u00ab&nbsp;masquer&nbsp;\u00bb des \u00e9l\u00e9ments dans vos vid\u00e9os. 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