Feb 13, 2011 Apple ProRes 422 (LT) weighs in at 100 Mbps or less, depending on the particular video format. It balances incredible image quality with small file sizes, and is perfect for digital broadcast environments where storage capacity and bandwidth are often at a premium. This ProRes Converter can support all the ProRes codec, like: Apple ProRes 422, Apple ProRes 422(HQ), Apple ProRes 422(LT), Apple ProRes 422(Proxy), etc. In addition, all the video parameters are preinstalled, you just need to choose the right codec, other work is finished by this best ProRes Converter. Apple ProRes is a family of proprietary, lossy compressed, high quality video intermediate codecs primarily supported by the Final Cut Pro (FCP) suite of post-production and editing software programs. There are two main branches of Apple ProRes: the Apple ProRes 422 Codec Family (described here) and the Apple ProRes 4444 Codec Family.
All Apple ProRes codecs support all frame sizes (including SD, HD, 2K, 4K, and 5K) at full resolution. The data rates vary based on codec type, image content, frame size, and frame rate. Apple ProRes includes the following formats.
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Apple ProRes 4444 XQ*
Apple ProRes 4444 XQ is the highest-quality version of Apple ProRes for 4:4:4:4 image sources (including alpha channels). This format has a very high data rate to preserve the detail in high-dynamic-range imagery generated by today’s highest-quality digital image sensors. Apple ProRes 4444 XQ preserves dynamic ranges several times greater than the dynamic range of Rec. 709 imagery. This holds true even against the rigors of extreme visual effects processing in which tone-scale blacks or highlights are stretched significantly. Like standard Apple ProRes 4444, this codec supports up to 12 bits per image channel and up to 16 bits for the alpha channel. Apple ProRes 4444 XQ features a target data rate of approximately 500 Mbps for 4:4:4 sources at 1920x1080 and 29.97 fps.
ProRes 4444 XQ is supported on OS X Mountain Lion v10.8 or later.
Apple ProRes 4444*
Apple ProRes 4444 is an extremely high-quality version of Apple ProRes for 4:4:4:4 image sources (including alpha channels). This codec features full-resolution, mastering-quality 4:4:4:4 RGBA color, and visual fidelity that is perceptually indistinguishable from the original material. Apple ProRes 4444 is a high-quality solution for storing and exchanging motion graphics and composites, with excellent multigeneration performance and a mathematically lossless alpha channel of up to 16 bits. This codec features a remarkably low data rate compared to uncompressed 4:4:4 HD. It has a target data rate of approximately 330 Mbps for 4:4:4 sources at 1920x1080 and 29.97 fps. It also offers direct encoding of and decoding to both RGB and Y’CBCR pixel formats.
Apple ProRes 422 HQ
Apple ProRes 422 HQ is a higher-data-rate version of Apple ProRes 422 that preserves visual quality at the same high level as Apple ProRes 4444 but for 4:2:2 image sources. With widespread adoption across the video post-production industry, Apple ProRes 422 HQ offers visually lossless preservation of the highest-quality professional HD video that a single-link HD-SDI signal can carry. This codec supports full-width, 4:2:2 video sources at 10-bit pixel depths, while remaining visually lossless through many generations of decoding and reencoding. The target data rate is approximately 220 Mbps at 1920x1080 and 29.97 fps.
Apple ProRes 422
Apple ProRes 422 is a high-quality compressed codec offering nearly all the benefits of Apple ProRes 422 HQ, but at 66 percent of the data rate for even better multistream, real-time editing performance. The target data rate is approximately 147 Mbps at 1920x1080 and 29.97 fps.
Apple ProRes 422 LT
Apple ProRes 422 LT is a more highly compressed codec than Apple ProRes 422, with roughly 70 percent of the data rate and 30 percent smaller file sizes. This codec is perfect for environments where storage capacity and data rate are at a premium. The target data rate is approximately 102 Mbps at 1920x1080 and 29.97 fps.
Apple Prores 422 Codec
Apple ProRes 422 Proxy
Apple Prores Codec Download
Apple ProRes 422 Proxy is an even more highly compressed codec than Apple ProRes 422 LT, intended for use in offline workflows that require low data rates but full-resolution video. The target data rate is approximately 45 Mbps at 1920x1080 and 29.97 fps.
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* Apple ProRes 4444 and Apple ProRes 4444 XQ are ideal for the exchange of motion graphics media because they are virtually lossless. They are also the only Apple ProRes codecs that support alpha channels.
You don't spell out the format of your timeline, but since you want to output to H.264, I'll assume it's some standard HD format.
Prores Codec Windows
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If it is HD, I don't get where the NTSC/PAL concerns come from. If you output the timeline using 'Make QuickTime Movie at current settings, you should have the format you want. Take that into Compressor and transcode to H.264 using the same dimensions and framerate. Take that to your authoring system and do whatever it is that one does to make an HD disk. NTSC/PAL sohouldn't come into it.
Jul 18, 2011 9:36 PM