The data rate of Apple ProRes 4444, which is approximately 330 Mbps for 4:4:4 sources at 1920x1080 and 29.97 fps, significantly impacts video editing on the iPad Pro in several ways:
1. Storage Requirements: The high data rate of ProRes 4444 means that it requires substantial storage space. This can be a challenge on devices like the iPad Pro, which have limited storage capacity compared to desktop computers. Users need to ensure they have enough free space to store and edit these files efficiently.
2. Performance and Multitasking: While the iPad Pro is capable of handling ProRes files, the high data rate demands more processing power and memory. This can affect multitasking capabilities and overall system performance, especially if editing multiple streams or applying complex effects.
3. Editing Software Compatibility: Not all video editing apps on the iPad Pro support ProRes 4444. Users need to ensure that their chosen editing software can handle this format efficiently. Apple's own apps like iMovie and Final Cut Pro for iPad are optimized for ProRes, but third-party apps may vary in their support and performance.
4. Real-Time Editing: Despite the high data rate, ProRes codecs are designed to facilitate real-time editing, thanks to their efficient compression and support for multicore processing. However, the iPad Pro's processing capabilities might not match those of a high-end desktop, potentially leading to slightly slower performance compared to editing on a Mac.
5. File Transfer and Sharing: The large file sizes associated with ProRes 4444 can make transferring files between devices or sharing them with collaborators more time-consuming. This might require using faster transfer methods or cloud services to manage file distribution efficiently.
Overall, while the iPad Pro can handle ProRes 4444 files, the high data rate requires careful management of storage, performance, and workflow to ensure smooth video editing experiences.
Citations:[1] https://www.apple.com/final-cut-pro/docs/Apple_ProRes.pdf
[2] https://support.apple.com/en-us/102207
[3] https://www.reddit.com/r/premiere/comments/14bqphs/trying_to_better_understand_the_science_behind/
[4] https://www.datavideo.com/us/article/487/understanding-the-power-behind-apple-prores
[5] https://support.apple.com/en-us/109041
[6] https://forum.blackmagicdesign.com/viewtopic.php?f=21&t=188914
[7] https://www.videomaker.com/how-to/shooting/files-and-formats/a-guide-to-prores-and-prores-raw/
[8] https://www.reddit.com/r/apple/comments/yftjsc/prores_video_recording_on_m2_ipad_pro_requires/
[9] https://en.wikipedia.org/wiki/Apple_ProRes