{"id":6495,"date":"2024-06-02T09:55:59","date_gmt":"2024-06-02T08:55:59","guid":{"rendered":"https:\/\/olivier.hoarau.site\/?p=6495"},"modified":"2024-06-02T09:55:59","modified_gmt":"2024-06-02T08:55:59","slug":"kodi-et-home-cinema","status":"publish","type":"post","link":"https:\/\/olivier.hoarau.org\/?p=6495","title":{"rendered":"Kodi et home cinema"},"content":{"rendered":"\n<p>Je me suis \u00e9quip\u00e9 r\u00e9cemment d&rsquo;une barre de son  5.1 et qui embarque tout un tas  de technologies permettant de se croire au cin\u00e9ma comme la spatialisation surround <a href=\"https:\/\/www.son-video.com\/guide\/dtsx-le-home-cinema-immersif\">DTS Virtual X<\/a> et son concurrent<a href=\"https:\/\/www.son-video.com\/guide\/dolby-atmos-le-son-home-cinema-en-3d\"> Dolby Atmos<\/a>. Je me suis empress\u00e9 de brancher mon mini PC Dell Dell Optiplex 7040 qui fait office de mediacenter avec  <a href=\"https:\/\/www.funix.org\/fr\/linux\/index.php?ref=mediacenter\">kodi<\/a> pour voir la diff\u00e9rence. En visualisant un film et bien \u00e0 vrai dire, c&rsquo;est plut\u00f4t la d\u00e9ception, le son reste plat, m\u00eame s&rsquo;il b\u00e9n\u00e9ficie de plus de volume et de basse.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/dell-mediacenter.jpg?w=474&#038;ssl=1\" alt=\"\"\/><figcaption class=\"wp-element-caption\">Mini PC mediacenter Dell Optiplex 7040 en bas \u00e0 droite<\/figcaption><\/figure>\n\n\n\n<p>En fait ce n&rsquo;est pas vraiment plug and play et il y a quelques manipulations \u00e0 faire sur le PC pour prendre en compte ces technologies audio. Cela commence par la configuration de <strong>PulseAudio<\/strong>, on lance son utilitaire de configuration et dans l&rsquo;onglet <strong>Configuration<\/strong> il faut pointer sur la sortie <strong>HDMI<\/strong> (puisque le PC est branch\u00e9 d&rsquo;abord \u00e0 la barre, puis la barre \u00e0 la TV), il ne faut pas choisir les sorties <strong>HDMI<\/strong> multicanal 5.1 ou 7.1 m\u00eame si la barre le permet.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/pavu-dolby2.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"474\" height=\"247\" src=\"https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/pavu-dolby2.jpg?resize=474%2C247&#038;ssl=1\" alt=\"\" class=\"wp-image-6496\" srcset=\"https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/pavu-dolby2.jpg?resize=1024%2C533&amp;ssl=1 1024w, https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/pavu-dolby2.jpg?resize=300%2C156&amp;ssl=1 300w, https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/pavu-dolby2.jpg?resize=768%2C400&amp;ssl=1 768w, https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/pavu-dolby2.jpg?w=1150&amp;ssl=1 1150w, https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/pavu-dolby2.jpg?w=948&amp;ssl=1 948w\" sizes=\"auto, (max-width: 474px) 100vw, 474px\" \/><\/a><\/figure>\n\n\n\n<p>Ensuite dans l&rsquo;onglet <strong>P\u00e9riph\u00e9riques de sortie <\/strong>dans les options avanc\u00e9es, je coche toutes les cases li\u00e9es aux diff\u00e9rentes technologies audio disponibles.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/pavu-dolby.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"474\" height=\"247\" src=\"https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/pavu-dolby.jpg?resize=474%2C247&#038;ssl=1\" alt=\"\" class=\"wp-image-6497\" srcset=\"https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/pavu-dolby.jpg?resize=1024%2C533&amp;ssl=1 1024w, https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/pavu-dolby.jpg?resize=300%2C156&amp;ssl=1 300w, https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/pavu-dolby.jpg?resize=768%2C400&amp;ssl=1 768w, https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/pavu-dolby.jpg?w=1150&amp;ssl=1 1150w, https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/pavu-dolby.jpg?w=948&amp;ssl=1 948w\" sizes=\"auto, (max-width: 474px) 100vw, 474px\" \/><\/a><\/figure>\n\n\n\n<p>Maintenant sous <strong>kodi<\/strong>, dans les param\u00e8tres syst\u00e8me <strong>Audio<\/strong> en mode expert, je choisis le <strong>Dispositif de sortie audio<\/strong> correspondant \u00e0 la sortie HDMI, pour <strong>Configuration de la sortie<\/strong>, je mets <strong>Meilleure concordance<\/strong>, je coche <strong>Mixage st\u00e9r\u00e9o vers multicanal<\/strong> (m\u00eame si j&rsquo;ai un doute qu&rsquo;il faille le faire, \u00e0 tester).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/kodi-dolby.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"474\" height=\"282\" src=\"https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/kodi-dolby.jpg?resize=474%2C282&#038;ssl=1\" alt=\"\" class=\"wp-image-6498\" srcset=\"https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/kodi-dolby.jpg?resize=1024%2C610&amp;ssl=1 1024w, https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/kodi-dolby.jpg?resize=300%2C179&amp;ssl=1 300w, https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/kodi-dolby.jpg?resize=768%2C457&amp;ssl=1 768w, https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/kodi-dolby.jpg?w=1073&amp;ssl=1 1073w, https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/kodi-dolby.jpg?w=948&amp;ssl=1 948w\" sizes=\"auto, (max-width: 474px) 100vw, 474px\" \/><\/a><\/figure>\n\n\n\n<p>Puis plus bas, je coche <strong>Activer le mode laisser-passer<\/strong> (<strong>Passthrough audio<\/strong>) et toutes les cases en dessous. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/kodi-dolby2-2.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"474\" height=\"282\" src=\"https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/kodi-dolby2-2.jpg?resize=474%2C282&#038;ssl=1\" alt=\"\" class=\"wp-image-6502\" srcset=\"https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/kodi-dolby2-2.jpg?resize=1024%2C610&amp;ssl=1 1024w, https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/kodi-dolby2-2.jpg?resize=300%2C179&amp;ssl=1 300w, https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/kodi-dolby2-2.jpg?resize=768%2C457&amp;ssl=1 768w, https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/kodi-dolby2-2.jpg?w=1073&amp;ssl=1 1073w, https:\/\/i0.wp.com\/olivier.hoarau.org\/wp-content\/uploads\/kodi-dolby2-2.jpg?w=948&amp;ssl=1 948w\" sizes=\"auto, (max-width: 474px) 100vw, 474px\" \/><\/a><\/figure>\n\n\n\n<p>Et l\u00e0, la diff\u00e9rence est flagrante d&rsquo;autant plus si on active sur la barre de son le mode <strong>Dolby atmos<\/strong>. <\/p>\n\n\n\n<p>Maintenant concernant le format audio des films, on a essentiellement deux choix, le codec <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Advanced_Audio_Coding\">AAC<\/a> et le codec <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Dolby_Digital\">AC3 (Dolby digital)<\/a>. Le premier est un tr\u00e8s bon choix pour la qualit\u00e9 de son, alors que le deuxi\u00e8me a \u00e9t\u00e9 pens\u00e9 pour les sons surround m\u00eame s&rsquo;il est r\u00e9put\u00e9 fournir un son de qualit\u00e9 inf\u00e9rieure \u00e0 l&rsquo;<strong>AAC<\/strong>.<\/p>\n\n\n\n<p>Pour aller plus loin, un peu de lecture, tout d&rsquo;abord <a href=\"https:\/\/www.son-video.com\/guide\/les-formats-de-son-cinema\">Comprendre les diff\u00e9rents formats de son cin\u00e9ma<\/a>, et <a href=\"https:\/\/linuxfr.org\/users\/niol_\/journaux\/obtenir-un-son-numerique-multicanal-depuis-son-ordinateur\">Obtenir un son multicanal depuis son ordinateur<\/a> sous Linux.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Je me suis \u00e9quip\u00e9 r\u00e9cemment d&rsquo;une barre de son 5.1 et qui embarque tout un tas de technologies permettant de se croire au cin\u00e9ma comme la spatialisation surround DTS Virtual X et son concurrent Dolby Atmos. Je me suis empress\u00e9 de brancher mon mini PC Dell Dell Optiplex 7040 qui fait office de mediacenter avec &hellip; <a href=\"https:\/\/olivier.hoarau.org\/?p=6495\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Kodi et home cinema<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false,"_share_on_mastodon":"0"},"categories":[5],"tags":[45,27,105],"class_list":["post-6495","post","type-post","status-publish","format-standard","hentry","category-logiciels-libres","tag-kodi","tag-linux","tag-multimedia"],"share_on_mastodon":{"url":"https:\/\/mastodon.social\/@funix\/112546189414414953","error":""},"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/peOjJ-1GL","jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/olivier.hoarau.org\/index.php?rest_route=\/wp\/v2\/posts\/6495","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/olivier.hoarau.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/olivier.hoarau.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/olivier.hoarau.org\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/olivier.hoarau.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6495"}],"version-history":[{"count":1,"href":"https:\/\/olivier.hoarau.org\/index.php?rest_route=\/wp\/v2\/posts\/6495\/revisions"}],"predecessor-version":[{"id":6503,"href":"https:\/\/olivier.hoarau.org\/index.php?rest_route=\/wp\/v2\/posts\/6495\/revisions\/6503"}],"wp:attachment":[{"href":"https:\/\/olivier.hoarau.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/olivier.hoarau.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/olivier.hoarau.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}