{"id":5373,"date":"2018-12-03T01:02:00","date_gmt":"2018-12-02T23:02:00","guid":{"rendered":"https:\/\/adriengontier.com\/?page_id=5373"},"modified":"2019-12-23T13:19:05","modified_gmt":"2019-12-23T11:19:05","slug":"redraw","status":"publish","type":"page","link":"https:\/\/adriengontier.com\/en\/redraw\/","title":{"rendered":"RED RAW 8K"},"content":{"rendered":"

\"RED<\/a>AVANTAGES DE REDCODE RAW<\/p>\n

En tant que format de fichier propri\u00e9taire de RED, REDCODE\u00ae RAW (R3D\u00ae) code efficacement les donn\u00e9es d\u2019image de mani\u00e8re \u00e0 maximiser la flexibilit\u00e9 de post-production des fichiers RAW. Lorsque RED ONE\u00ae a \u00e9t\u00e9 lanc\u00e9 en 2007, REDCODE RAW constituait le principal progr\u00e8s gr\u00e2ce auquel la capture vid\u00e9o num\u00e9rique 4K \u00e9tait une r\u00e9alit\u00e9. Aujourd’hui, avec des cam\u00e9ras capables de capturer une r\u00e9solution 8K, REDCODE est encore plus pertinent pour g\u00e9rer les \u00e9normes quantit\u00e9s d’informations contenues dans des images ultra d\u00e9taill\u00e9es.<\/p>\n

Sur les cam\u00e9ra RED\u00ae, les taux de compression REDCODE sont bas\u00e9s sur la comparaison de taille entre un fichier non compress\u00e9 et le fichier compress\u00e9. \u00c0 titre d’exemple, une image prise \u00e0 5: 1 est compress\u00e9e cinq fois en une fois et le nouveau fichier repr\u00e9sente en r\u00e9alit\u00e9 un cinqui\u00e8me de la taille d’un fichier non compress\u00e9. En r\u00e8gle g\u00e9n\u00e9rale, les utilisateurs assimilent la compression \u00e0 la taille de fichier r\u00e9duite et \u00e0 la d\u00e9gradation potentielle de l’image. En r\u00e9alit\u00e9, REDCODE est une technologie qui g\u00e9n\u00e8re de nombreux avantages, dont des d\u00e9bits de donn\u00e9es plus courts, des temps de transfert plus courts, des temps d\u2019enregistrement plus longs, des co\u00fbts d\u2019enregistrement r\u00e9duits et des solutions informatiques moins intensives pour le d\u00e9chargement des donn\u00e9es.<\/p>\n

En d\u00e9finitive, REDCODE permet aux cr\u00e9ateurs de contenu d\u2019obtenir des fichiers RAW plus petits tout en maintenant la qualit\u00e9 de l\u2019image lors de la capture d\u2019images haute r\u00e9solution riches en donn\u00e9es. Pour illustrer l’efficacit\u00e9 de REDCODE, vous trouverez ci-dessous un tableau contenant divers types de fichiers et les d\u00e9bits de donn\u00e9es associ\u00e9s, bas\u00e9s sur 24 images par seconde.<\/p>\n

\n
\n
\n

pes and the associated data rates based on 24 frames per second.<\/p>\n<\/div>\n<\/div>\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n\n\n\n
\n
\n
\n

FILE FORMAT1<\/p>\n<\/div>\n<\/div>\n<\/td>\n

\n
\n
\n

DATA RATE (MB\/S)<\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

8K Uncompressed 16BIT (TIFF\/DPX\/EXR)<\/p>\n<\/div>\n<\/div>\n<\/td>\n

\n
\n
\n

5,096<\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

8K ProRes 4444<\/p>\n<\/div>\n<\/div>\n<\/td>\n

\n
\n
\n

849<\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

6.5K ARRIRAW<\/p>\n<\/div>\n<\/div>\n<\/td>\n

\n
\n
\n

732<\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

4.5K ARRIRAW<\/p>\n<\/div>\n<\/div>\n<\/td>\n

\n
\n
\n

501<\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

3.4K ARRIRAW<\/p>\n<\/div>\n<\/div>\n<\/td>\n

\n
\n
\n

277<\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

4K ProRes 4444<\/p>\n<\/div>\n<\/div>\n<\/td>\n

\n
\n
\n

212<\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

8K R3D (8:1)<\/p>\n<\/div>\n<\/div>\n<\/td>\n

\n
\n
\n

162<\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

2k ProRes 4444<\/p>\n<\/div>\n<\/div>\n<\/td>\n

\n
\n
\n

57<\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

4K R3D (6:1)<\/p>\n<\/div>\n<\/div>\n<\/td>\n

\n
\n
\n

54<\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n
<\/div>\n<\/div>\n<\/div>\n

Alors que les cr\u00e9ateurs de contenu vont naturellement chercher \u00e0 r\u00e9duire les options de compression, \u00e0 un moment donn\u00e9, les gains visuels obtenus avec des taux de compression inf\u00e9rieurs sont n\u00e9gligeables. En fait, ces gains n\u00e9gligeables peuvent \u00eatre compens\u00e9s par le stockage suppl\u00e9mentaire n\u00e9cessaire aux donn\u00e9es suppl\u00e9mentaires, ainsi que par le temps suppl\u00e9mentaire n\u00e9cessaire au transfert des donn\u00e9es. Sur la base de ces facteurs, une approche commune consiste \u00e0 d\u00e9marrer \u00e0 REDCODE 5: 1 pour une capture 6K de cin\u00e9ma ou d’images fixes haut de gamme. Le point de d\u00e9part de la capture 8K est 8: 1 pour une sortie haut de gamme similaire. Dans les deux cas, le rapport peut \u00eatre augment\u00e9 (par exemple 9: 1, 10: 1, etc.) lorsque la livraison finale a des exigences moins strictes. Il convient de noter que la fr\u00e9quence d’images est un facteur suppl\u00e9mentaire \u00e0 prendre en compte lors de la s\u00e9lection d’un param\u00e8tre REDCODE pour une production. En raison d’un plafond technique qui limite la rapidit\u00e9 avec laquelle les donn\u00e9es peuvent \u00eatre \u00e9crites dans la m\u00e9moire, des vitesses de trame plus \u00e9lev\u00e9es peuvent n\u00e9cessiter des r\u00e9solutions plus faibles et \/ ou des taux de compression plus \u00e9lev\u00e9s.<\/p>","protected":false},"excerpt":{"rendered":"

AVANTAGES DE REDCODE RAW En tant que format de fichier propri\u00e9taire de RED, REDCODE\u00ae RAW (R3D\u00ae) code efficacement les donn\u00e9es d\u2019image de mani\u00e8re \u00e0 maximiser la flexibilit\u00e9 de post-production des fichiers RAW. Lorsque RED ONE\u00ae a \u00e9t\u00e9 lanc\u00e9 en 2007, REDCODE RAW constituait le principal progr\u00e8s gr\u00e2ce auquel la capture vid\u00e9o num\u00e9rique 4K \u00e9tait une […]<\/p>\n","protected":false},"author":3,"featured_media":6865,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-5373","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nRED RAW 8K | Adrien Gontier, Directeur de la photographie, Chef op\u00e9rateur, Cinematographer, Paris, France |<\/title>\n<meta name=\"description\" content=\"Adrien Gontier, Directeur de la photographie, Chef op\u00e9rateur, Cinematographer, Paris, France | RED RAW 8K | adriengontier.com\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/adriengontier.com\/en\/redraw\/\" \/>\n<meta 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