AJA Ki PRO rack Spezifikationen Seite 14

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Warning!
Only use attachments and accessories specified and/or sold by the
manufacturer.
Warning!
Read and follow all warning notices and instructions marked on the product or
included in the documentation.
Warning!
Do not use this device near water and clean only with a dry cloth.
System Requirements
AJA Video recommends that the Mac Pro or MacBook Pro used with the Ki Pro
support Firewire 800 and Apple ProRes 422 with a satisfactory level of performance.
Consult Final Cut Pro documentation when setting up and configuring your system
for editing; ensure you have an adequate storage system (RAID array) and any
needed video/audio interfaces.
Apple ProRes 422 Advantages
Data rates: 220 Mb/second Apple ProRes 422 (HQ), 145 Mb/second Apple ProRes
422, 100 Mb/second Apple ProRes 422 (LT), and 36 Mb/second Apple ProRes 422
(Proxy).
Note: Apple ProRes 422 (Proxy) is for high-quality offline editing at the original
frame size, frame rate, and aspect ratio.
Quality: Excellent, broadcast quality
Captured media is virtually indistinguishable from pristine uncompressed sources.
Better yet, ProRes maintains the quality during editing, surviving multiple
encoding/decoding generations without degradation. It was designed by Apple for
editing, rather than as a transmission/distribution codec as are most popular
codecs. Some of the advantages include:
Full-size 1920-by-1080 and 1280-by-720 HD resolutions.
Full-size 720-by-486 and 720-by-576 SD resolutions.
4:2:2 chroma sampling. Provides precise compositing and blending at sharp
saturated-color boundaries.
10-bit sample depth. Preserves subtle gradients of 10-bit sources (perfect for
green-screen compositing, graphics or color correction) with no visible
banding artifacts.
I frame-only encoding. Ensures consistent quality in every frame and no
artifacts from complex motion.
Variable bit-rate (VBR) encoding. “Smart” encoding analyzes the image and
allocates more bits to complex frames.
Low data rate requirements make for more storage options and require less
drive space to store high quality video.
Optimized for efficient Real-Time effects.
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