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LA GUERRE DES STANDARDS	

VIDEO
Pourquoi ?
Clip&Go
Harmonisation
Solution :)
+
Un référentiel commun publié par un organisme
de normalisation officiellement agréé par un État
(Afnor…) ou issu d'un traité international (ISO…)
STANDARD / NORME ?
Harmonisation
Wikipedia
Conflit d’intérêt = Guerre
STANDARD / NORME ?
WMV,	

MP4,	

AVI
MP4, Flash, HLS…
FORMATVIDEO ?
Video Codec
Audio Codec
Sous-titrage
Chapitrage
Plusieurs formats / codecs
Format MP4 valide
Video ( H264)
Audio (AAC)
Sous-titrage
Chapitrage
Format MP4 Invalide! = illisible
Video ( H264)
Audio (Vorbis)
Sous-titrage
Chapitrage
Incompatible
C’est cher!C’est cher!
Pourquoi on compresse les vidéos ?
Pourquoi on compresse les vidéos ?
1 Heure de video = 260 Go
1 Heure de diffusion ~ 100 €
video	

non compressé
1 Heure de video = 50 Mo
1 Heure de diffusion ~ 1ct
video	

compressé
streaming
streaming
DIFFUSION
Téléchargement / Bufferisation
DIFFUSION
DIFFUSION
HLS
HDSSMOOTH
Dash pas Daesh!
Dynamic Adaptive Streaming over HTTP
FIN DE LA GUERRE ?
Le streaming dynamique adaptatif sur l’HTTP
STREAMING ADAPTATIF
CONCLUSION
CONCLUSION

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