Canon最新的 Mpeg-2 codec (4:2:2/50Mbps/MXF), 將用在將推出的Professional camcoder

joewang2003

<DIV id=post_message_1480517><I>New Canon MPEG-2 Codec chosen for file-based professional video camcorder<BR>promises compatibility with industry-standard editing &amp; processing software</I><BR><BR><B>TOKYO, February 2, 2010</B> — Canon Inc. announced today the Company has adopted an MPEG-2 Full HD (4:2:2) file-based recording codec for a new professional video camcorder currently under development. The 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 HDV<I>*1</I> profile formats. File-based recording helps video operations realize greater efficiencies during post-production processing, making it an ideal format for many industry applications such as newsgathering, documentary filmmaking and event videography.<BR><BR><B>* MPEG-2 Full HD compression and 4:2:2 color sampling</B><BR>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.<BR><BR><B>* Maximum 50 Mbps data recording</B><BR>With approximately twice the data volume of HDV, the Codec supports higher resolution and increased color data to enable the recording of high-quality video.<BR><BR><B>* Industry-standard MXF*2 file format</B><BR>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.<BR><BR><B>Canon partners with major editing and processing software</B><BR><BR>With the adoption of the 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.<BR><BR><B>Advantages of File-Based Recording</B><BR>File-based recording enables video and audio data to be managed and stored by file, much in the same way as computer data. It supports efficiency throughout the production process, from initial video capture to final editing through the entire workflow. Additionally, file-based recording provides users with the flexibility to utilize different editing environments and workflow solutions without the restrictions associated with some other video recording formats, helping to reduce investment costs.<BR><BR><B>*1</B> HDV is a standard for the recording and playback of high definition (1,440 x 1,080 pixels) video and audio on DV-format cassette tapes<BR><B>*2</B> A format for professional digital video and audio media defined by the Society of Motion Picture and Television Engineers (SMPTE) </DIV><!-- / message --><!-- sig -->
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