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Canon annonce un nouveau codec MPEG-2


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#1 adesir

adesir

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Posté 02 février 2010 - 21:45

Bonjour,

Canon vient d'annoncer un nouveau codec pour l'enregistrement de fichiers vidéo à partir d'un futur caméscope pro. Le codec est basé sur le MPEG-2 avec un débit de 50 Mbits/s (le double du HDV). Il supporte le Full HD, mais surtout l'échantillonnage en 4:2:2, ce qui le rend plus proche du DVCPRO HD que du HDV et le classe dans la catégorie "pro".

Il sera encapsulé dans des fichiers MXF standard et devrait être reconnu par tous les grands logiciels de montage. On peut supposer le support natif dans Final Cut Pro.

Canon n'ayant pas encore de gamme sans bande en pro (mais les fuites montrent déjà le successeur du XHA1 sans bande), il annonce la couleur (!). Il est probable que ce format soit aussi généré par les futurs APN reflex de la gamme qui ont une fonction vidéo.

Citation
LAKE SUCCESS, N.Y., February 2, 2010 – Canon U.S.A., Inc., a leader in digital imaging, announced today the Company has adopted an MPEG-2 Full HD (4:2:2) file-based recording codec for a new file-based professional video camera currently under development. The new Canon MPEG-2 codec will enable high-quality imaging and audio performance with up to 50 Mbps data recording and twice the color data of the HDV*1 profile format. File-based recording helps video operations realize greater efficiencies during post-production, making it an ideal format for many industry applications such as newsgathering, documentary filmmaking and event videography. The main features of the new Canon MPEG-2 codec include:

MPEG-2 Full HD compression and 4:2:2 color sampling
The adoption of MPEG-2 Full HD (MPEG-2 4:2:2P@HL compliant) compression enables the recording of 1,920 x 1,080-pixel full high-definition video. Additionally, compared with the 4:2:0 profile format used in HDV and other standards, 4:2:2 color sampling offers twice the volume of color data, providing double the level of color resolution.

Maximum 50 Mbps data recording
With approximately twice the data volume of HDV, the new codec supports higher resolution and increased color data to enable the recording of high-quality video.

Industry-standard MXF*2 file format
MXF (Material eXchange Format) is a widely supported open source file format for the recording of video and audio and metadata, developed to suit the latest editing systems used by broadcasters.

Canon partners with major editing and processing software developers
To support the swift adoption of its new MPEG-2 Full HD (4:2:2) file-based recording codec, Canon is working in cooperation with Adobe Systems Incorporated, Apple Inc., Avid Technology, Inc. and Grass Valley to ensure compatibility with major editing and processing software programs widely used within the video imaging industry. Additionally, at future industry events, Canon intends to demonstrate the overall video-production workflow, from initial video capture to clip-trimming and final editing, with video clips stored in a file-based recording system and using industry-standard software applications.


Antoine


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