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|Full name||Apple ProRes 422|
Apple ProRes 422 is the second-highest data-rate version of the ProRes 422 codecs. Apple literature highlights the value of Apple ProRes 422 HQ as an editing codec, stating that it offers "multistream, real-time editing performance."
In order to compare the members of the ProRes 422 family, this Web site uses 10-bit picture data with an HD (1920x1080) frame size and a frame rate of 29.97 fps. Uncompressed, this yields about 560 GB per hour. Although the variable bit rate for ProRes means that results will vary, specialists report that the 147 Mbps target data rate for Apple ProRes 422 would yield a one-hour file of about 65 GB.
See the Apple ProRes 422 Codec Family for a general description of the shared technical characteristics as well as history of the format.
|Production phase||Production (initial state) and post production (middle state).|
|Relationship to other formats|
|Subtype of||Apple_ProRes_422_Codec_Family, Apple ProRes 422 Codec Family|
|LC experience or existing holdings||The Civil Rights History Project in the American Folklife Center contains Apple ProRes 422 and Apple ProRes 422 HQ files.|
|LC preference||The Library of Congress Recommended Formats Statement (RFS) does not include Apple ProRes 422. However it does include Apple ProRes 4444, 4444 XQ and 422 HQ in a QuickTime wrapper as a Preferred format for Video - File-Based and Physical Media.|
|Disclosure||See Apple ProRes 422 Codec Family|
|Documentation||See Apple ProRes 422 Codec Family|
|Adoption||See Apple ProRes 422 Codec Family|
|Licensing and patents||See Apple ProRes 422 Codec Family|
|Transparency||See Apple ProRes 422 Codec Family|
|Self-documentation||See Apple ProRes 422 Codec Family|
|External dependencies||See Apple ProRes 422 Codec Family|
|Technical protection considerations||See Apple ProRes 422 Codec Family|
|Filename extension||See note.||See Apple ProRes 422 Codec Family|
|FOURCC||Big endian: apcn
Little endian: ncpa
|FOURCC code used to indicate ProRes 442 in the QuickTime container according to Multimedia Wiki.|
According to Apple, camera formats that would be appropriate to transcode to ProRes 422 include DVCPro HD, HDV, and AVC Intra. Video specialist Larry Jordan adds XDCAM EX, XDCAM HD, AVCAM, or P2 to the list.
Apple ProRes 422 is one of the two original ProRes codecs (along with Apple Pro Res 422 HQ). . It was originally named Apple ProRes 422 SQ (for standard quality).