[{"data":1,"prerenderedAt":1256},["ShallowReactive",2],{"blog-guide-resolution-formats-video-ecran-led-2026":3,"blog-related-guide-resolution-formats-video-ecran-led-2026":1239},{"id":4,"title":5,"author":6,"body":7,"category":1210,"date":1211,"dateModified":1211,"datePublished":1211,"description":1212,"extension":1213,"faq":1214,"hreflangPair":1230,"image":1231,"lang":1232,"meta":1233,"navigation":846,"path":1234,"seo":1235,"slug":1236,"stem":1237,"video":1230,"__hash__":1238},"blog\u002Fblog\u002F2026-05-14-guide-resolution-formats-video-ecran-led-2026.md","Résolution et formats vidéo pour écran LED : guide technique complet 2026","Équipe Pixelight",{"type":8,"value":9,"toc":1176},"minimark",[10,14,18,26,29,34,39,46,49,60,65,172,178,182,185,204,211,213,217,221,227,238,244,258,264,270,274,300,304,385,390,392,396,400,510,516,520,546,552,556,576,587,591,597,599,603,607,610,635,639,659,661,665,669,676,701,705,719,723,726,737,739,743,747,767,771,777,922,926,929,949,951,955,958,1025,1027,1031,1129,1131,1135,1142,1151,1153,1172],[11,12,13],"p",{},"::",[15,16,5],"h1",{"id":17},"résolution-et-formats-vidéo-pour-écran-led-guide-technique-complet-2026",[11,19,20,21,25],{},"La qualité visuelle d'un écran LED dépend autant du matériel que des ",[22,23,24],"strong",{},"fichiers vidéo diffusés",". Une dalle LED haut de gamme avec des contenus mal encodés délivre une image décevante. À l'inverse, des fichiers correctement optimisés révèlent tout le potentiel d'un écran. Ce guide technique couvre la résolution native, les formats vidéo recommandés, les paramètres d'encodage et les erreurs courantes à éviter.",[27,28],"hr",{},[30,31,33],"h2",{"id":32},"comprendre-la-résolution-native-dun-écran-led","Comprendre la résolution native d'un écran LED",[35,36,38],"h3",{"id":37},"pixels-physiques-vs-pixels-logiques","Pixels physiques vs pixels logiques",[11,40,41,42,45],{},"Un écran LED n'est pas comme un écran LCD standard. Sa résolution native dépend directement du ",[22,43,44],{},"pixel pitch"," (distance entre deux pixels adjacents) et des dimensions physiques de la dalle.",[11,47,48],{},"Formule de calcul :",[50,51,56],"pre",{"className":52,"code":54,"language":55},[53],"language-text","Résolution horizontale = Largeur (mm) ÷ Pixel pitch (mm)\nRésolution verticale = Hauteur (mm) ÷ Pixel pitch (mm)\n","text",[57,58,54],"code",{"__ignoreMap":59},"",[11,61,62],{},[22,63,64],{},"Exemples concrets :",[66,67,68,87],"table",{},[69,70,71],"thead",{},[72,73,74,78,81,84],"tr",{},[75,76,77],"th",{},"Dalle",[75,79,80],{},"Dimensions",[75,82,83],{},"Pixel pitch",[75,85,86],{},"Résolution native",[88,89,90,105,118,131,144,158],"tbody",{},[72,91,92,96,99,102],{},[93,94,95],"td",{},"Petit écran intérieur",[93,97,98],{},"1,28 × 0,72 m",[93,100,101],{},"P2.5",[93,103,104],{},"512 × 288 px",[72,106,107,110,113,115],{},[93,108,109],{},"Écran moyen intérieur",[93,111,112],{},"2,56 × 1,44 m",[93,114,101],{},[93,116,117],{},"1 024 × 576 px",[72,119,120,123,126,128],{},[93,121,122],{},"Grand écran intérieur",[93,124,125],{},"3,84 × 2,16 m",[93,127,101],{},[93,129,130],{},"1 536 × 864 px",[72,132,133,136,138,141],{},[93,134,135],{},"Écran intérieur Fine Pitch",[93,137,112],{},[93,139,140],{},"P1.5",[93,142,143],{},"1 707 × 960 px",[72,145,146,149,152,155],{},[93,147,148],{},"Écran outdoor",[93,150,151],{},"6,40 × 3,60 m",[93,153,154],{},"P8.0",[93,156,157],{},"800 × 450 px",[72,159,160,163,166,169],{},[93,161,162],{},"Grand billboard outdoor",[93,164,165],{},"12,80 × 7,20 m",[93,167,168],{},"P10",[93,170,171],{},"1 280 × 720 px",[11,173,174,177],{},[22,175,176],{},"Constat clé"," : beaucoup d'écrans LED intérieurs courants ont une résolution native inférieure à la Full HD (1 920 × 1 080). Diffuser du contenu 4K sur un écran P2.5 de 2,56 m n'apporte aucun bénéfice — le processeur doit downscaler.",[35,179,181],{"id":180},"aspect-ratio-non-standard","Aspect ratio non standard",[11,183,184],{},"Les dalles LED sont souvent assemblées en configurations personnalisées (bandeau, colonne, format ultra-large) qui ne correspondent pas aux formats vidéo standard :",[186,187,188,192,195,198,201],"ul",{},[189,190,191],"li",{},"16:9 (Full HD, 4K) — le plus courant",[189,193,194],{},"32:9 (ultra-large)",[189,196,197],{},"9:16 (portrait, colonne)",[189,199,200],{},"3:1, 4:1 (bandeaux horizontaux)",[189,202,203],{},"Carré 1:1",[11,205,206,207,210],{},"Chaque configuration requiert des fichiers vidéo aux ",[22,208,209],{},"dimensions exactes"," de l'écran.",[27,212],{},[30,214,216],{"id":215},"formats-vidéo-recommandés","Formats vidéo recommandés",[35,218,220],{"id":219},"codec-vidéo","Codec vidéo",[11,222,223,226],{},[22,224,225],{},"H.264 (AVC)"," — standard universel",[186,228,229,232,235],{},[189,230,231],{},"Compatible avec tous les lecteurs LED",[189,233,234],{},"Bon compromis qualité\u002Ftaille de fichier",[189,236,237],{},"Recommandé pour les contenus en dessous de 1 080p",[11,239,240,243],{},[22,241,242],{},"H.265 (HEVC)"," — standard recommandé 2026",[186,245,246,249,252,255],{},[189,247,248],{},"40–50 % plus compact que H.264 pour qualité équivalente",[189,250,251],{},"Supporte nativement la 4K et le HDR",[189,253,254],{},"Requis pour les contenus ≥ 4K",[189,256,257],{},"Vérifier la compatibilité du lecteur avant utilisation",[11,259,260,263],{},[22,261,262],{},"AV1"," — émergent, non recommandé en production LED (support limité)",[11,265,266,269],{},[22,267,268],{},"ProRes \u002F DNxHR"," — pour la production (post-production uniquement, trop lourd pour la diffusion)",[35,271,273],{"id":272},"codec-audio","Codec audio",[186,275,276,282,288,294,297],{},[189,277,278,281],{},[22,279,280],{},"AAC"," (préféré) : compatible universel, léger",[189,283,284,287],{},[22,285,286],{},"MP3"," : acceptable",[189,289,290,293],{},[22,291,292],{},"PCM\u002FWAV"," : non recommandé (fichiers trop lourds)",[189,295,296],{},"Fréquence d'échantillonnage : 48 000 Hz (norme broadcast)",[189,298,299],{},"Bitrate audio : 192–320 kbps",[35,301,303],{"id":302},"conteneur-extension-de-fichier","Conteneur (extension de fichier)",[66,305,306,319],{},[69,307,308],{},[72,309,310,313,316],{},[75,311,312],{},"Format",[75,314,315],{},"Compatibilité",[75,317,318],{},"Usage",[88,320,321,334,347,360,372],{},[72,322,323,328,331],{},[93,324,325],{},[22,326,327],{},".mp4",[93,329,330],{},"✅ Universelle",[93,332,333],{},"Recommandé pour tous les écrans",[72,335,336,341,344],{},[93,337,338],{},[22,339,340],{},".mov",[93,342,343],{},"⚠️ Variable",[93,345,346],{},"Apple\u002FmacOS, éviter sur lecteurs LED",[72,348,349,354,357],{},[93,350,351],{},[22,352,353],{},".avi",[93,355,356],{},"⚠️ Ancien",[93,358,359],{},"Éviter",[72,361,362,367,369],{},[93,363,364],{},[22,365,366],{},".mkv",[93,368,343],{},[93,370,371],{},"Non recommandé",[72,373,374,379,382],{},[93,375,376],{},[22,377,378],{},".wmv",[93,380,381],{},"❌ Limité",[93,383,384],{},"Incompatible avec la plupart des lecteurs",[11,386,387],{},[22,388,389],{},"Règle d'or : MP4 + H.264 ou H.265 = compatibilité maximale.",[27,391],{},[30,393,395],{"id":394},"paramètres-dencodage-optimaux","Paramètres d'encodage optimaux",[35,397,399],{"id":398},"résolution-et-débit-bitrate","Résolution et débit (bitrate)",[66,401,402,417],{},[69,403,404],{},[72,405,406,409,412,415],{},[75,407,408],{},"Résolution",[75,410,411],{},"Codec",[75,413,414],{},"Bitrate recommandé",[75,416,318],{},[88,418,419,432,445,458,471,484,497],{},[72,420,421,424,427,430],{},[93,422,423],{},"512 × 288",[93,425,426],{},"H.264",[93,428,429],{},"2–4 Mbps",[93,431,95],{},[72,433,434,437,439,442],{},[93,435,436],{},"1 024 × 576",[93,438,426],{},[93,440,441],{},"4–8 Mbps",[93,443,444],{},"Écran intérieur standard",[72,446,447,450,452,455],{},[93,448,449],{},"1 280 × 720 (HD)",[93,451,426],{},[93,453,454],{},"6–12 Mbps",[93,456,457],{},"HD standard",[72,459,460,463,465,468],{},[93,461,462],{},"1 920 × 1 080 (FHD)",[93,464,426],{},[93,466,467],{},"8–20 Mbps",[93,469,470],{},"Full HD",[72,472,473,475,478,481],{},[93,474,462],{},[93,476,477],{},"H.265",[93,479,480],{},"4–10 Mbps",[93,482,483],{},"Full HD compressé",[72,485,486,489,491,494],{},[93,487,488],{},"3 840 × 2 160 (4K)",[93,490,477],{},[93,492,493],{},"20–50 Mbps",[93,495,496],{},"4K standard",[72,498,499,502,504,507],{},[93,500,501],{},"4 096 × 2 160 (4K DCI)",[93,503,477],{},[93,505,506],{},"30–60 Mbps",[93,508,509],{},"4K cinéma",[11,511,512,515],{},[22,513,514],{},"Important"," : adapter le bitrate à la résolution native de l'écran. Inutile d'encoder en FHD si l'écran a une résolution de 512 × 288 px.",[35,517,519],{"id":518},"fréquence-dimages-framerate","Fréquence d'images (framerate)",[186,521,522,528,534,540],{},[189,523,524,527],{},[22,525,526],{},"25 fps"," : standard PAL Europe — recommandé pour contenus institutionnels",[189,529,530,533],{},[22,531,532],{},"30 fps"," : standard NTSC — courant dans les contenus américains",[189,535,536,539],{},[22,537,538],{},"50 fps"," : fluidité accrue, recommandé pour les événements sportifs et mouvements rapides",[189,541,542,545],{},[22,543,544],{},"60 fps"," : optimal pour les animations très fluides, certains lecteurs LED haute performance",[11,547,548,551],{},[22,549,550],{},"Règle"," : utiliser 25 ou 50 fps pour les écrans européens. Le 24 fps (cinéma) peut produire du stuttering sur certains lecteurs LED.",[35,553,555],{"id":554},"profil-dencodage-h264","Profil d'encodage H.264",[186,557,558,564,570],{},[189,559,560,563],{},[22,561,562],{},"Baseline"," : compatibilité maximale, moins efficace",[189,565,566,569],{},[22,567,568],{},"Main"," : bon équilibre compatibilité\u002Fqualité",[189,571,572,575],{},[22,573,574],{},"High"," : meilleure compression, recommandé si lecteur compatible",[11,577,578,579,582,583,586],{},"Pour H.265 : ",[22,580,581],{},"Main Profile"," en standard, ",[22,584,585],{},"Main 10"," pour le HDR.",[35,588,590],{"id":589},"scan-progressif-vs-entrelacé","Scan progressif vs entrelacé",[11,592,593,596],{},[22,594,595],{},"Toujours utiliser le scan progressif"," (1080p, non 1080i). L'entrelacement produit des artefacts visibles sur les dalles LED qui n'ont pas de désentrelaceur.",[27,598],{},[30,600,602],{"id":601},"images-fixes-et-animations","Images fixes et animations",[35,604,606],{"id":605},"images-fixes-jpeg-png","Images fixes (JPEG, PNG)",[11,608,609],{},"Les lecteurs LED acceptent généralement les images JPEG et PNG directement. Recommandations :",[186,611,612,618,624,629],{},[189,613,614,617],{},[22,615,616],{},"JPEG"," : qualité ≥ 85 %, pas de compression agressive",[189,619,620,623],{},[22,621,622],{},"PNG"," : préférer pour les contenus avec transparence ou texte net",[189,625,626,628],{},[22,627,408],{}," : identique à la résolution native de l'écran (pas d'upscaling)",[189,630,631,634],{},[22,632,633],{},"Durée d'affichage"," : configurer dans le CMS, pas encodée dans le fichier",[35,636,638],{"id":637},"animations-gif-motion-graphics","Animations (GIF, motion graphics)",[186,640,641,647,653],{},[189,642,643,646],{},[22,644,645],{},"GIF"," : déconseillé (palette 256 couleurs, fichiers lourds)",[189,648,649,652],{},[22,650,651],{},"WebM\u002FVP9"," : alternative légère au GIF, support variable sur lecteurs LED",[189,654,655,658],{},[22,656,657],{},"MP4 en boucle"," : solution recommandée pour les animations en boucle (fichier court, loop configuré dans le CMS)",[27,660],{},[30,662,664],{"id":663},"couleurs-et-espace-colorimétrique","Couleurs et espace colorimétrique",[35,666,668],{"id":667},"gamut-et-espace-colorimétrique","Gamut et espace colorimétrique",[11,670,671,672,675],{},"Les écrans LED couvrent une large gamme de couleurs (souvent > sRGB, proches du DCI-P3). Les fichiers encodés en ",[22,673,674],{},"sRGB"," constituent le standard universel pour la diffusion.",[186,677,678,683,689,695],{},[189,679,680,682],{},[22,681,674],{}," : standard pour la plupart des contenus — recommandé",[189,684,685,688],{},[22,686,687],{},"Rec. 709"," : standard broadcast HD — compatible",[189,690,691,694],{},[22,692,693],{},"DCI-P3"," : standard cinéma — pour les écrans Cinema LED uniquement",[189,696,697,700],{},[22,698,699],{},"HDR10 \u002F HLG"," : pour les lecteurs et écrans compatibles HDR (vérifier avant)",[35,702,704],{"id":703},"profondeur-de-couleur","Profondeur de couleur",[186,706,707,713],{},[189,708,709,712],{},[22,710,711],{},"8 bits"," (16,7 millions de couleurs) : standard, suffisant pour la plupart des usages",[189,714,715,718],{},[22,716,717],{},"10 bits"," : pour les dégradés subtils, HDR, contenus artistiques premium",[35,720,722],{"id":721},"éviter-le-banding","Éviter le banding",[11,724,725],{},"Le \"banding\" (dégradés en paliers visibles) survient avec des fichiers 8 bits mal compressés. Solutions :",[186,727,728,731,734],{},[189,729,730],{},"Bitrate suffisant (ne pas sous-encoder)",[189,732,733],{},"Dithering activé à l'encodage",[189,735,736],{},"Éviter les fonds avec dégradés très subtils sur de grandes surfaces",[27,738],{},[30,740,742],{"id":741},"outils-dencodage-recommandés","Outils d'encodage recommandés",[35,744,746],{"id":745},"logiciels-professionnels","Logiciels professionnels",[186,748,749,755,761],{},[189,750,751,754],{},[22,752,753],{},"Adobe Media Encoder"," : intégration Creative Cloud, profils préconfigurés",[189,756,757,760],{},[22,758,759],{},"DaVinci Resolve"," (gratuit) : export studio qualité, contrôle colorimétrique total",[189,762,763,766],{},[22,764,765],{},"Final Cut Pro"," (macOS) : rapide, profils ProRes optimisés pour export final",[35,768,770],{"id":769},"outils-en-ligne-de-commande","Outils en ligne de commande",[11,772,773,776],{},[22,774,775],{},"FFmpeg"," (gratuit, cross-platform) — le couteau suisse de l'encodage :",[50,778,782],{"className":779,"code":780,"language":781,"meta":59,"style":59},"language-bash shiki shiki-themes github-light github-dark","# Encode FHD H.264 MP4 (20 Mbps)\nffmpeg -i input.mov -c:v libx264 -profile:v high -b:v 20M -c:a aac -b:a 256k output.mp4\n\n# Encode 4K H.265 MP4 (40 Mbps)\nffmpeg -i input.mov -c:v libx265 -b:v 40M -c:a aac -b:a 256k output.mp4\n\n# Redimensionner à la résolution native de l'écran (ex. 1024x576)\nffmpeg -i input.mp4 -vf scale=1024:576 -c:v libx264 -b:v 8M output_led.mp4\n","bash",[57,783,784,793,841,848,854,883,888,894],{"__ignoreMap":59},[785,786,789],"span",{"class":787,"line":788},"line",1,[785,790,792],{"class":791},"sJ8bj","# Encode FHD H.264 MP4 (20 Mbps)\n",[785,794,796,800,804,808,811,814,817,820,823,826,829,832,835,838],{"class":787,"line":795},2,[785,797,799],{"class":798},"sScJk","ffmpeg",[785,801,803],{"class":802},"sj4cs"," -i",[785,805,807],{"class":806},"sZZnC"," input.mov",[785,809,810],{"class":802}," -c:v",[785,812,813],{"class":806}," libx264",[785,815,816],{"class":802}," -profile:v",[785,818,819],{"class":806}," high",[785,821,822],{"class":802}," -b:v",[785,824,825],{"class":806}," 20M",[785,827,828],{"class":802}," -c:a",[785,830,831],{"class":806}," aac",[785,833,834],{"class":802}," -b:a",[785,836,837],{"class":806}," 256k",[785,839,840],{"class":806}," output.mp4\n",[785,842,844],{"class":787,"line":843},3,[785,845,847],{"emptyLinePlaceholder":846},true,"\n",[785,849,851],{"class":787,"line":850},4,[785,852,853],{"class":791},"# Encode 4K H.265 MP4 (40 Mbps)\n",[785,855,857,859,861,863,865,868,870,873,875,877,879,881],{"class":787,"line":856},5,[785,858,799],{"class":798},[785,860,803],{"class":802},[785,862,807],{"class":806},[785,864,810],{"class":802},[785,866,867],{"class":806}," libx265",[785,869,822],{"class":802},[785,871,872],{"class":806}," 40M",[785,874,828],{"class":802},[785,876,831],{"class":806},[785,878,834],{"class":802},[785,880,837],{"class":806},[785,882,840],{"class":806},[785,884,886],{"class":787,"line":885},6,[785,887,847],{"emptyLinePlaceholder":846},[785,889,891],{"class":787,"line":890},7,[785,892,893],{"class":791},"# Redimensionner à la résolution native de l'écran (ex. 1024x576)\n",[785,895,897,899,901,904,907,910,912,914,916,919],{"class":787,"line":896},8,[785,898,799],{"class":798},[785,900,803],{"class":802},[785,902,903],{"class":806}," input.mp4",[785,905,906],{"class":802}," -vf",[785,908,909],{"class":806}," scale=1024:576",[785,911,810],{"class":802},[785,913,813],{"class":806},[785,915,822],{"class":802},[785,917,918],{"class":806}," 8M",[785,920,921],{"class":806}," output_led.mp4\n",[35,923,925],{"id":924},"paramètres-de-préréglage-recommandés-pour-lecteurs-led","Paramètres de préréglage recommandés pour lecteurs LED",[11,927,928],{},"La plupart des lecteurs LED (Novastar, Colorlight, Brompton) fonctionnent mieux avec :",[186,930,931,937,943],{},[189,932,933,936],{},[22,934,935],{},"Keyframe interval"," (GOP) : 2 secondes (ex. : 50 pour 25 fps)",[189,938,939,942],{},[22,940,941],{},"B-frames"," : 2 maximum",[189,944,945,948],{},[22,946,947],{},"Bitrate mode"," : CBR (constant bit rate) plutôt que VBR pour la stabilité",[27,950],{},[30,952,954],{"id":953},"checklist-avant-diffusion","Checklist avant diffusion",[11,956,957],{},"Avant de mettre en production un contenu sur un écran LED, vérifier :",[186,959,962,971,977,983,989,995,1001,1007,1013,1019],{"className":960},[961],"contains-task-list",[189,963,966,970],{"className":964},[965],"task-list-item",[967,968],"input",{"disabled":846,"type":969},"checkbox"," Résolution du fichier = résolution native de l'écran",[189,972,974,976],{"className":973},[965],[967,975],{"disabled":846,"type":969}," Format : MP4 + H.264 ou H.265",[189,978,980,982],{"className":979},[965],[967,981],{"disabled":846,"type":969}," Framerate : 25 ou 50 fps (Europe)",[189,984,986,988],{"className":985},[965],[967,987],{"disabled":846,"type":969}," Scan progressif (pas entrelacé)",[189,990,992,994],{"className":991},[965],[967,993],{"disabled":846,"type":969}," Espace colorimétrique : sRGB ou Rec. 709",[189,996,998,1000],{"className":997},[965],[967,999],{"disabled":846,"type":969}," Profondeur de couleur : 8 ou 10 bits selon lecteur",[189,1002,1004,1006],{"className":1003},[965],[967,1005],{"disabled":846,"type":969}," Audio : AAC 48 kHz 192–320 kbps",[189,1008,1010,1012],{"className":1009},[965],[967,1011],{"disabled":846,"type":969}," Test de lecture sur le lecteur cible avant événement",[189,1014,1016,1018],{"className":1015},[965],[967,1017],{"disabled":846,"type":969}," Vérification des couleurs à pleine luminosité (attention sur-saturation)",[189,1020,1022,1024],{"className":1021},[965],[967,1023],{"disabled":846,"type":969}," Boucle configurée dans le CMS (pas encodée dans le fichier)",[27,1026],{},[30,1028,1030],{"id":1029},"erreurs-courantes-et-solutions","Erreurs courantes et solutions",[66,1032,1033,1046],{},[69,1034,1035],{},[72,1036,1037,1040,1043],{},[75,1038,1039],{},"Problème",[75,1041,1042],{},"Cause probable",[75,1044,1045],{},"Solution",[88,1047,1048,1059,1070,1081,1092,1103,1118],{},[72,1049,1050,1053,1056],{},[93,1051,1052],{},"Image floue",[93,1054,1055],{},"Fichier sous-résolution upscalé",[93,1057,1058],{},"Recréer le fichier à la bonne résolution",[72,1060,1061,1064,1067],{},[93,1062,1063],{},"Couleurs décalées",[93,1065,1066],{},"Profil colorimétrique incorrect",[93,1068,1069],{},"Encoder en sRGB",[72,1071,1072,1075,1078],{},[93,1073,1074],{},"Stuttering\u002Fsaccades",[93,1076,1077],{},"Framerate incorrect ou GOP trop grand",[93,1079,1080],{},"Encoder en 25\u002F50 fps, GOP = 50",[72,1082,1083,1086,1089],{},[93,1084,1085],{},"Banding visible",[93,1087,1088],{},"Bitrate trop bas",[93,1090,1091],{},"Augmenter le bitrate, activer dithering",[72,1093,1094,1097,1100],{},[93,1095,1096],{},"Fichier refusé par lecteur",[93,1098,1099],{},"Format incompatible",[93,1101,1102],{},"Convertir en MP4 H.264",[72,1104,1105,1108,1111],{},[93,1106,1107],{},"Audio décalé",[93,1109,1110],{},"Désynchro A\u002FV à l'encodage",[93,1112,1113,1114,1117],{},"Réencoder avec ",[57,1115,1116],{},"-async 1"," (FFmpeg)",[72,1119,1120,1123,1126],{},[93,1121,1122],{},"Bordures noires",[93,1124,1125],{},"Aspect ratio incorrect",[93,1127,1128],{},"Recadrer ou remplir aux bonnes dimensions",[27,1130],{},[30,1132,1134],{"id":1133},"conclusion","Conclusion",[11,1136,1137,1138,1141],{},"Un écran LED performant requiert des fichiers vidéo adaptés à ses caractéristiques spécifiques. La règle fondamentale est simple : ",[22,1139,1140],{},"connaître la résolution native de son écran et y adapter chaque contenu",". L'encodage en MP4\u002FH.264 à 25 fps en sRGB couvre 95 % des situations. Pour les projets premium (fine pitch, HDR, 4K), H.265 et la gestion colorimétrique avancée font la différence.",[11,1143,1144,1145,1150],{},"Pixelight accompagne ses clients dans l'optimisation des contenus pour leurs écrans LED, de la création graphique à l'encodage final. ",[1146,1147,1149],"a",{"href":1148},"\u002Fcontact","Contactez notre équipe"," pour un accompagnement technique.",[27,1152],{},[11,1154,1155],{},[1156,1157,1158,1159,1163,1164,1163,1168],"em",{},"Voir aussi : ",[1146,1160,1162],{"href":1161},"\u002Fblog\u002Fia-intelligence-artificielle-contenu-led-guide-2026","Guide IA et contenu LED"," · ",[1146,1165,1167],{"href":1166},"\u002Fblog\u002Fpixel-pitch-led-guide-complet-2026","Pixel pitch : guide complet",[1146,1169,1171],{"href":1170},"\u002Fblog\u002Fcob-vs-smd-led-technologie-comparatif-2026","COB vs SMD : comparatif technique",[1173,1174,1175],"style",{},"html pre.shiki code .sJ8bj, html code.shiki .sJ8bj{--shiki-default:#6A737D;--shiki-dark:#6A737D}html pre.shiki code .sScJk, html code.shiki .sScJk{--shiki-default:#6F42C1;--shiki-dark:#B392F0}html pre.shiki code .sj4cs, html code.shiki .sj4cs{--shiki-default:#005CC5;--shiki-dark:#79B8FF}html pre.shiki code .sZZnC, html code.shiki .sZZnC{--shiki-default:#032F62;--shiki-dark:#9ECBFF}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}",{"title":59,"searchDepth":795,"depth":795,"links":1177},[1178,1182,1187,1193,1197,1202,1207,1208,1209],{"id":32,"depth":795,"text":33,"children":1179},[1180,1181],{"id":37,"depth":843,"text":38},{"id":180,"depth":843,"text":181},{"id":215,"depth":795,"text":216,"children":1183},[1184,1185,1186],{"id":219,"depth":843,"text":220},{"id":272,"depth":843,"text":273},{"id":302,"depth":843,"text":303},{"id":394,"depth":795,"text":395,"children":1188},[1189,1190,1191,1192],{"id":398,"depth":843,"text":399},{"id":518,"depth":843,"text":519},{"id":554,"depth":843,"text":555},{"id":589,"depth":843,"text":590},{"id":601,"depth":795,"text":602,"children":1194},[1195,1196],{"id":605,"depth":843,"text":606},{"id":637,"depth":843,"text":638},{"id":663,"depth":795,"text":664,"children":1198},[1199,1200,1201],{"id":667,"depth":843,"text":668},{"id":703,"depth":843,"text":704},{"id":721,"depth":843,"text":722},{"id":741,"depth":795,"text":742,"children":1203},[1204,1205,1206],{"id":745,"depth":843,"text":746},{"id":769,"depth":843,"text":770},{"id":924,"depth":843,"text":925},{"id":953,"depth":795,"text":954},{"id":1029,"depth":795,"text":1030},{"id":1133,"depth":795,"text":1134},"conseils","2026-05-14","Comprendre les résolutions natives LED, formats vidéo optimaux (MP4, H.265, 4K), aspect ratio, fréquence d'images et paramètres d'encodage pour une diffusion parfaite.","md",[1215,1218,1221,1224,1227],{"q":1216,"a":1217},"Pourquoi la résolution native d'un écran LED est-elle différente de celle d'un écran LCD ?","Contrairement aux écrans LCD dont la résolution est fixée par le fabricant (1920x1080, 3840x2160), la résolution native d'un mur LED dépend de deux variables physiques indépendantes : la taille physique du mur et le pixel pitch choisi. Un mur de 3,2 m x 1,8 m en P4 aura une résolution de 800x450 pixels, alors que le même mur en P2 atteindra 1600x900 pixels.",{"q":1219,"a":1220},"Quel codec vidéo donne les meilleurs résultats sur un mur LED ?","H.265 (HEVC) offre le meilleur compromis qualité\u002Ftaille de fichier pour les murs LED haute résolution. Il est deux fois plus efficace que H.264 à qualité équivalente, ce qui réduit les exigences de stockage et de bande passante du lecteur multimédia. La plupart des contrôleurs LED modernes décodent le H.265 nativement depuis 2022.",{"q":1222,"a":1223},"Quelle est la différence entre le taux de rafraîchissement et la fréquence d'images d'un contenu LED ?","Le taux de rafraîchissement (en Hz) est une caractéristique matérielle du mur LED indiquant combien de fois par seconde l'image est recalculée. La fréquence d'images (fps) est une caractéristique du fichier vidéo. Un mur avec un taux de rafraîchissement de 3 840 Hz peut afficher un contenu en 25 fps sans scintillement, ce qui est l'objectif des taux de rafraîchissement élevés.",{"q":1225,"a":1226},"Comment éviter les bandes ou artefacts visibles à la caméra sur un écran LED filmé ?","Les bandes (rolling shutter) visibles à la caméra sur un écran LED sont dues à un désynchronisme entre le taux de rafraîchissement de l'écran et la vitesse d'obturation de la caméra. Pour les éviter, il faut utiliser un mur LED avec un taux de rafraîchissement d'au moins 3 840 Hz, et régler la vitesse d'obturation de la caméra sur un multiple du taux de rafraîchissement.",{"q":1228,"a":1229},"Peut-on diffuser du contenu 4K sur un mur LED dont la résolution native est inférieure à 4K ?","Oui, mais sans bénéfice réel. Le lecteur multimédia redimensionne le contenu 4K à la résolution native du mur, ce qui consomme inutilement des ressources de traitement. Il est préférable de créer les fichiers vidéo directement à la résolution native du mur pour des performances optimales et une consommation de ressources minimale.",null,"\u002Fimages\u002Fblog\u002Fguide-resolution-formats-video-ecran-led-2026.jpg","fr",{},"\u002Fblog\u002F2026-05-14-guide-resolution-formats-video-ecran-led-2026",{"title":5,"description":1212},"guide-resolution-formats-video-ecran-led-2026","blog\u002F2026-05-14-guide-resolution-formats-video-ecran-led-2026","F-di05aWv0JuxiIH_qYjEM59BXC8eyRUJAZqYfMgtnY",[1240,1246,1251],{"title":1241,"description":1242,"date":1243,"category":1210,"slug":1244,"path":1245},"LED Screen Installation & System Integration: Complete Technical Guide 2026","From structural assessment to commissioning, a complete guide to LED screen installation in 2026. Mounting, cabling, signal distribution, calibration, commissioning and maintenance planning.","2026-05-16","en-led-screen-installation-integration-guide-2026","\u002Fblog\u002Fen-led-screen-installation-integration-guide-2026",{"title":1247,"description":1248,"date":1243,"category":1210,"slug":1249,"path":1250},"How to Write an LED Screen RFP or Tender Brief: 2026 Buyer's Guide","A practical guide to writing an LED screen RFP, tender brief or specifications in 2026. What technical criteria to include, how to evaluate proposals and avoid common pitfalls.","en-led-screen-procurement-rfp-guide-2026","\u002Fblog\u002Fen-led-screen-procurement-rfp-guide-2026",{"title":1252,"description":1253,"date":1243,"category":1210,"slug":1254,"path":1255},"LED Screen Rental vs Purchase: How to Choose in 2026","Should you rent or buy an LED screen in 2026? A complete financial and practical comparison for events, retail, corporate and permanent installations. ROI calculator methodology included.","en-led-screen-rental-vs-purchase-guide-2026","\u002Fblog\u002Fen-led-screen-rental-vs-purchase-guide-2026",1779228681850]