prores low resolution proxy. Create proxy media: This option creates video proxy files. prores low resolution proxy

 
<cite>Create proxy media: This option creates video proxy files</cite>prores low resolution proxy  Apple literature highlights the value of Apple ProRes 422 Proxy in support of post-production work, stating that it is “intended for use in offline workflows that require low data rates but full-resolution video

Best used with Apple machines and apps. - 8375094A few misconceptions there. A good alternative is creating Apple ProRes 422 HQ or ProRes LT files; these files are larger but may render faster. 4. You might even try a test with 4K ProRes Proxy so that your. The setting. 0, right clicking a video file in the bin and selecting "Make Proxy" now shows "ProRes Low/Medium/High Resolution" but no longer shows the resolution of each as in earlier versions of Premiere. mov. ago. When I transcode my footage to ProRes Proxy at 1920x1080, keeping source aspect ratio & frame rate, my proxies get squashed vertically. DNxHD 220x/DNxHR HQX are 10-bit, whilst all others variants are 8-bit and DNxHD36 is a proxy codec. resolution and speed to the next evolution of X Series. Select QuickTime -> Cineform Low Res. These formats range from extreme compression to minimal compression rates. com API makes it easy to process ProRes files in the cloud. ProRes Proxy is just too low quality and should not be the default. We shot on Sony A7 III, the movie files are H264 (1080p). Great for environments where storage capacity and data rate are limited. ProRes Proxy will, generally speaking, look worse than an H. 264, it is hard to judge which one is better as each of them can be used as the best video codec under certain circumstances. 264, it is hard to judge which one is better as each of them can be used as the best video codec under certain circumstances. Camera is recording 4 mono channels, and h264 mp4 proxies are with other audio layout. ProRes supports 10-bit so this won't matter if your footage is 10 bit. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. - 11295887. Apple ProRes 422 Proxy is the fourth-highest data-rate version of the ProRes 422 codecs. Under presets, select low resolution cineform. Once you have learned How to create it and. In my experience Prores tends to perform better. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. 97 fps. In that case, you can create your own proxy file presets. Apple literature highlights the value of Apple ProRes 422 Proxy in support of post-production work, stating that it is “intended for use in offline workflows that require low data rates but full-resolution video. make sure your proxy settings are set to 480x270 (typical proxy quality) and make sure you have a lot. But usually choose the half resolution. Name your Preset (using the desired resolution is a good idea) Format: Quicktime. Follow; Report; More. ProRes Proxy at 720p is 18-45Mbps based on 24-60fps. Apple ProRes 422 LT, intended for use in offline workflows that require low data rates but full-resolution video. The company allows for 10-bit and 8-bit proxy options, even as high as 1080p resolution. See full list on support. H. Interpret footage settings are all good, following Square 1. I've been reading Neil's posts for several years, and I've not known him to be sarcastic, neither do I see sarcasm in this thread. Apple ProRes 422 Proxy: 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. No guarantees, but worth some testing. Choose Create Proxies to open a dialog with options for destination and format. Apple ProRes 422 Proxy is a higher-compression version of Apple ProRes 422 LT, designed for offline operations requiring low transfer rates but full-resolution video. What I would *like* to do is use something like Handbrake, and while I do see a preset within Handbrake entitled Production Proxy 540p it still seems to be H264 and not something like DNx or ProRes. After running, it has created a 4k proxy. One of the "features" of ProRes is that it is "virtually lossless" (higher bit rate versions, of course, would be better. 97 fps. Depending on the number of clips you have and the speed of your computer this could take a while. The proxies are ok, and rendered. To create proxies in Premiere you can simply select all your footage in the bin, right-click, and then hit Proxy > Create Proxies. cancel. Here's one document and here's another . Proxy clips: low resolution in Cineform mov. 264 Low Resolution Proxy h. Many users run with ProRes proxy as it does well enough visually and plays back great. It’s a family of six quality standards, from the space-saving 'ProRes 422 Proxy' right up to the ultra-high-quality 'ProRes 4444 XQ'. Doing it this way will attach the proxies to the full resolution media and with a switch of a button you can alternate between the two, this makes it easy because when rendering Premiere will automatically export out the source media. The target data rate of Apple ProRes 422 Proxy is approximately 45 Mbps at 1920 x 1080 and 29. When using lower res playback, and using intraframe media like ProRes, Cineform, and DNx, that media can be "reduced" in size for playback during decompression, typically without any real re-computing. Going down to 960x540 is probably in the 12-36Mbps range depending on the frame rate. Hello! Thank you for great new feature - proxies! The idea is very good. 25% of 4K, 33. . Picture: Casey Faris. On Premiere Pro 14. Media encoder will automatically launch. Well, bandwidth wise, the Proxy form of ProRes or dnxHR LB (low bandwidth) is going to be the best choice. ProRes 422 LT is a suitable project for your storage space concern. Hit enter to search. I think it's in support so. Look at the GB/hr column and multiply it by the number of hours of. The Movie Recorder generates videos in the H. That'll take 12-36x longer than H. 264 to download, but if your drives are fast enough it'll be a much better. There is only - 13380241. 1. On Premiere Pro 14. What is the resolution and bitrate of low, medium and high resolution?Because companies publish their own specifications in different formats, it can be difficult to compare codecs directly. 264. Proxy (ProRes 422 Proxy) Camera native media can use a wide variety of codecs, though only one codec is allowed per media file. Scrubbing through the timeline is unusable; regardless of whether I use prores or low res Cineform proxies converted from the same footage. 264 or H. Medium or even Low resolution proxies is fine) then you won't have to manually do any. But even though the Toggle Proxies button is enabled in the. The footages are converted to Rec 720. I do not recommend using h. 4444 is almost always overkill unless you need. X-H2S digital camera supports internal recording of 4:2:2, 10-bit Apple ProRes HQ/ ProRes 422/ ProRes LT, and ProRes 422 Proxy at resolutions of up to 6. " Choose the "1080p HD at 60 fps" or "4K at 30 fps" ProRes video resolution depending on your storage model. It can shoot H. That'll take 12-36x longer than H. If you do not use SCRATCH for grading, you have to transcde the KRW master files into more popular codec like ProRes. It's not yet clear. However, it takes 12 HOURS to create a proxy for a 1920x1080 (2-hour length) file. Posts: 28137. 264 codec, you might want to consider creating lower resolution proxy files as H. 422. It is also full 422. 265 files, and some tools may take too long to generate them. It’s a family of six quality standards, from the space-saving 'ProRes 422 Proxy' right up to the ultra-high-quality 'ProRes 4444 XQ'. Nvidia Geforce RTX 3070. Like you said, what you would like to do is create a project, using the source files. ProRes 422 HQ. Now, close the "Settings" app and. 3 is that the audio channels match between the Full Res and Proxy clips. Step 2: Tap Settings → Resolution. gpu acceleration turned on for video rendering and playthrough. The target data rate of Apple ProRes 422 Proxy is approximately 45 Mbps at 1920 x 1080 and 29. This codec maintains HD data rates below 36 Mbps, yet like its higher-rate Apple ProRes 422 siblings, it supports full-frame, 10-bit, 4:2:2 video. 264 is not really a good choice for proxies - you really want to be using an intraframe codec or you're not gonna get the full benifits. Lots of drama here. Step 1: Go to “ File ” and select “ Project Settings ”. Also, its data rate is most likely at 45 Mbps at 1920x1080 and 29. Prores LT is a good option if you are on a MacTo see frame size definitions and other proxy format options, create proxies on import using Premiere’s Media Browser. Neil Right-click on a clip and select Proxy > Create Proxies; For Format, select Quicktime; For Preset, select ProRes Low Resolution Proxy; Check the Add Watermark box; Leave the destination as Next To Original Media, in prox folder; Press OK; Premiere will open media encoder and begin rendering proxies for all of your video clips. It intelligently analyzes your computer’s hardware configuration and automatically adjusts Resolve’s image processing under the hood. However you can squeeze the crap out of an H. . Under Proxy, select create proxies. The higher ProRes standards support video files with up to 8K resolution, though you’ll find lower limits with. -Resolve will create 1080P or 720P proxies. You’ll notice that Premiere Pro has also preselected a few frame sizes for you. 0, right clicking a video file in the bin and selecting "Make Proxy" now shows "ProRes Low/Medium/High Resolution" but no longer shows the resolution of each as in earlier versions of Premiere. How do I go about using an ingest preset that doesn't caused black bars?Select proRes Low Resolution proxy; Add watermark ( I'll explain later) Select destination: Next to original Media, in Proxy folder; Click ok; This will open the media encoder and create the proxies. ProRes 422 Proxy. With FCP X 10. Format: select Quicktime. Step 3: Next to “ Proxy Generation Location ,” there is a path to the folder that stores the proxy files for this project. I'm with Byron on this. So we’ve scoured the Internet and brought them all into a single page. Step 2: In the “ Master Settings ” tab, find the “ Working Folders ” section. My clips are 4K in H264,. Thanks for the humongous help!! Alternatively, the difference between 4K h. 89. Now let's get a few things right first: the GH5 can record 10bit 422 150Mbit LongGOP h264. Hit the + button to create a preset. The company allows for 10-bit and 8-bit proxy options, even as high as 1080p resolution. 264 isn't the right tool for multicam and your expectations for low bitrates are out of line. The metadata display columns show that the proxies are attached, and liststhe correct proxy filename and filepath. mp4 files. 0, right clicking a video file in the bin and selecting "Make Proxy" now shows "ProRes Low/Medium/High Resolution" but no longer shows the resolution of each as in earlier versions of Premiere. Because I want to use the highest quality proxy possible for my system in a particular editing situation. 4. The reason why "ProRes <<<<<<<<< Software Decoded HEVC" is because it involves far less compression and encodes individual frames completely in the footage - so, far fewer calculations to decode. Might be ProRes for you, which would be just as good. Joined: Fri Dec 23, 2016 1:47 am. The downsides ultimately are: a. 0, right clicking a video file in the bin and selecting "Make Proxy" now shows "ProRes Low/Medium/High Resolution" but no longer shows the resolution of each as in earlier versions of Premiere. apple. I found out about the proxy feature after I began editing and wanted to test it. The target data rate of Apple ProRes 422 Proxy is approximately 45. So if you've got 6-8K clips, and set 1/4 res playback, makes it much easier on the CPU and subsystems to. 5 percent to 100 percent of the original. But. Proxy media resolution has no bearing on final render quality. Apple ProRes 422 Proxy: 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. 4. 422 and 422 HQ are the go tos for transcoding. ProRes vs H. If you make the proxies in premiere (Right click your footage bin -> Proxies -> Make Proxies. Apple ProRes 422 Proxy: An even more highly compressed codec than Apple ProRes 422 LT, intended for use in offline workflows that require low data rates but Full HD video. 3 GB, and I transcoded them to ProRes 422 LT; - 13165271 Adobe Community All community This category This board Knowledge base Users cancelProRes is a codec technology developed by Apple for high-quality, high-performance editing in Final Cut Pro. 265) files that are 1920x1080 or larger. I'm having a problem when I proxy footage from Premiere Pro. Apple ProRes 422 Proxy's target data rate is approximately 45 Mbps at. 265. Interframe vs Intraframe compression. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. By far the most common proxy codecs are DNxHD/DNxHR and ProRes. you have access to a. It’s important that if you plan on using a Proxy workflow you’ve tested reconnecting back to your original media either within your editing software or a program like Davinci Resolve. Use which one works adequately for. of course pixel dimensions effect file size. Translate. On the other hand if i import the _proxy. Below are screenshots of Avid DNxHD 175x 10-bit produced by Adobe Media Encoder for a more fair comparison. The lowest-bitrate variation of the ProRes codec, intended for use in editing software as a smaller version of larger files like ProRes HQ. Then we have the brand spanking new ProRes 4444 XQ, which has all of the above with this gem: Target data rate of approximately 500 Mbps for 4:4:4 sources at 1920x1080 and 29. Report. I guess you will still insist on not understanding the importance of the proxy resolution. (And in your case, better source material. Apple ProRes 422 LT, intended for use in offline workflows that require low data rates but full-resolution video. There are subtle differences between the new feature and the existing “Timeline Proxy Resolution” (previously known as Proxy Mode) feature. I typically right click on the clip in the project window, then click on create proxy, and use the QuickTime ProRes Low Resolution Proxy setting. Moody Service Manager Ticket System; Moody Facilities WikiSo in the past when i've done this and I go to toggle on the proxy there is usually a vast difference to the resolution of the - 11295887. ) My Biases:However, if you’re shooting a project with a short turnaround time, you can’t go wrong with ProRes. Apple ProRes 4444 XQ offre un débit de données cible d’environ 500Mbit/s pour les sources 4:4:4 en 1 920 x 1 080 et à 29,97 ips. It provides higher quality than ProRes 422 (Proxy) Target data rate: 102 Mbps at 1920*1080, 29. An even more compressed codec than Apple ProRes 422 LT, designed for use in offline workflows. Apple ProRes 422 Proxy: An even more highly compressed codec than Apple ProRes 422 LT, intended for use in offline workflows that require low data rates but Full HD video. You can create proxy media in a variety of frame sizes from 12. It sounds like your source files are more compressed than both Cineform or Prores 422. What is the resolution and bitrate of low, medium and high resolution? ProRes vs H. I create Apple ProRes 422 Proxies (all same settings except codec) so I don't loose resolution while editing and also it's a smoother editing. Intermediate codecs are meant for post production : they are made to be visually lossless (except ProRes 422 Proxy and 422 LT) while having huge bitrate, fast decoding (low CPU usage, being able to decode very fast sub resolution of the image) and fast seeking (all frames are INTRA frames). ProRes とは SD ファイルサイズで HD 画質を実現し、映像業界で広く採用されている。ProRes コーデックの6つのバージョンは、基本属性が共通している。ProRes は、可変ビットレート(VBR)エンコーディ. If you had noticed that only ProRes Medium is 16x9 and other two are not 16x9, you wouldn’t back what you just wrote here. ) Since FCPX uses the terminology of "Proxy Media" which is in fact ProRes 422, but 1/4 "resolution" (1920x1080. Below are screenshots of Avid DNxHD 175x 10-bit produced by Adobe Media Encoder for a more fair comparison. I wouldn't suggest Proxy just because it's more lossy. The ProRes RAW HQ is 3-to-1 compression, and the ProRes RAW, the base one, is 5-to-1. 4. i'm thoroughly embarrassed hahahaha but yes, that's it! and after a little looking, under the timeline settings, i see that "show proxy badges" was turned on. " Tap on "Camera" in the top-left corner to go to the previous menu. Thank you for your reply. Joined: Fri Dec 23, 2016 1:47 am. Go to your Project settings > Master Settings > Proxy media settings. Filming footage in 4k resolution isn’t difficult - the GoPro has been able to film 4k30 since the GoPro 3, and 4k60 since the GoPro 6. 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 options allow for users to choose what level of visual quality they want from the proxy, low, medium, or pretty much visually the same. It's late and I'm done looking at Premiere for the evening but I can say I often use the default ProRes Low Resolution Proxy preset in the ingest settings. But. Keep it safe on seperate drive. Help. Offline/Online method: Make proxies in for example Davinci Resolve or Adobe Media Encoder or Shutter Encoder – again in an edit friendly codec like ProRes & generally at lower resolution than the original camera files. ProRes Proxies will certainly be better, but if you’re in the middle of an edit, or at the end, or just started online and want to see a playback, Timeline Proxy Mode is a good solution. Two 20Tb hard drives (one for primary storage, one for a cloned backup scheduled on a nightly basis) in a Thunderbolt enclosure should come to about $1,000 and work really w. Here’s what I chose for a 2K ProRes Proxy Preset. For the smallest proxies, you could create H264 proxies at a lower resolution. Just as well, if I try creating basic Low Res proxies using Premiere's default "ProRes Low Resolution Proxy" setting, the footage is completely squashed/scrambled, even when I play the clips outside of Premiere. 2. Apple ProRes 422 Proxy's target data rate is approximately 45 Mbps at 1920 x. 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 default setting of ProRes Medium Resolution Proxy is a good choice for most projects. 97 fps. Apple ProRes is a high quality, "visually lossless" lossy video compression format developed by Apple Inc. Next setup Editor so you. Goes to AME -> I can see that the video is just. In. Proxies are generated and attached. ProRes 4444 XQ DNxHR 444 DNxHR HQ DNxHR HQX DNxHR SQ CineForm 10bit CineForm 12bit All three of these codec families are industry standards, but ProRes is certainly the most widely used across camera and external recorder manufacturers. There is an included preset for that format. This preset uses a frame size of 1024*540 (1. There is a good 5-7 second lag after the clip has been deleted. . The purpose of proxy is to make editing easier. Using proxies can have another benefit : rendering time !. and start encoding your proxies. 0 pixel aspect that is in the file. The iPhone 13 Pro and 13 Pro Max are the first phones to support the Apple ProRes video codec. The previews will also be in low resolution. 97 fps. “Proxy Handling” provides you options to select “prefer proxies, disable proxies and prefer camera originals”. Try ProRes. The videos are 3840x2160, MPEG-4, HEVC, 24 fps shot on my android phone through FilmicPro. 2 and 12 bit is 4. When you're done editing and want to Reconnect to the 4K media,. But that's 4K; the bitrate you mention for Prores Proxy and LT are for FullHD. It only requires a low data rate in full-resolution. ProRes 422 LTApple ProRes 422 Proxy. 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. . It is a rule of thumb to use a proxy file with dimensions that are half the size of your original media size. It has a target data rate of 102 Mbps. right click on your Project Item "Proxy" media and select Proxy -> "Reconnect Full Resolution Media". paid activation via my. I'd not thought of that specific thing as I - 11499177Lots of drama here. Votes. ) Thing is, once you eliminate the interframe part of h. I was handed over a Premiere Production with what seems like 1080P Prores 442LT media and then on the drive elsewhere all full resolution media, 4K. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. 97 fps. You will want to create a preset using Media Encoder and select format as HEVC. You can tell if it’s a proxy file by the small camera icon on the. ProRes is not a singular thing, though. ProRes Proxy at 720p is 18-45Mbps based on 24-60fps. It is because of audio channel layout. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. At t. UHD is Rec. Even the difference between XQ and Proxy isn’t that noticeable and they have huge differences. So. A 1024px * 576px proxy at 6mbps, even in Rec 709, would be fine for me. I decided to keep it next ot the original media inside of a folder. In simple words, Apple ProRes codec is designed for post-production while H. There are a total of six ProRes formats. 1. The H. It is also full 422. It’s important to note that each ProRes format supports all of the current frame sizes such as SD, HD. It can also withstand the rigors of daily professional use and operate in temperatures as low as -10°C (14°F. More specifically, the card handles the decoding and playback of ProRes and ProRes RAW content, and allows for faster transcoding and sharing of ProRes and ProRes RAW projects and files. If you had noticed that only ProRes Medium is 16x9 and other two are not 16x9, you wouldn’t back what you just wrote here. I would test with a more performant proxy codec by using ProRes LT or Proxy from the get go. On low-end devices, choosing a low-resolution and low-quality file type. The tl;dr on this is that ProRes comes in a few flavors, from lowest quality to highest: 422 Proxy. ) that the files take up more space. It is for edit viewing performance. So, if you want to compare codecs like ProRes vs DNxHD, ProRes vs Cineform, DNxHD vs. Note: Apple ProRes 4444 XQ and Apple ProRes 4444 are ideal for the exchange of motion graphics media because they are virtually. Prores LT is a good option if you are on a MacLower resolution proxies will have a smaller file size and may have better playback on older computers. Change the format to Quicktime, Video Codec to ProRes 422 (Proxy) Confirm the resolution/framerate is correct or click Match Source; Create a new Ingest Preset, name it Ingest ProRes Proxy. The playback can be scaled down to half resolution, quarter resolution or turned off. The latter is better, but requires more work. Apple ProRes 422 Proxy. But i found that later I cannot reconnect full resolution media. When I tried to import the MXF files and from there 'attach' the low res 'proxies', something wasn't working the way I need it to. This delivers smoother playback without sacrificing the resolution or. But even though the Toggle Proxies button is enabled in the. Generating proxies in Resolve 18. Reply. 5 update, is a checkbox to add a burned-in. 97 fps. Using this approach takes advantage of the luminance resolution, which correlates to the sensor pixel count. This preset uses a frame size of 1024*540 (1. The downsides ultimately are: a. Apple ProRes 422 Proxy: An even more highly compressed codec than Apple ProRes 422 LT, intended for use in offline workflows that require low data rates but Full HD video. Click that and add the "Toggle Proxies" button to your program monitor. the FCP PR Proxy? Check out MediaInfo to confirm there's nothing else different between the two. 0, right clicking a video file in the bin and selecting "Make Proxy" now shows "ProRes Low/Medium/High Resolution" but no longer shows the resolution of each as in earlier versions of Premiere. I wouldn't do "ProRes Low Resolution Proxy", I'd use the higher quality Prores422 or ProresLT, that way when you export, it'll use the clips on the timeline & not your . Any of the low resolution presets will work ok as long as it is Quicktime, I just found cineform to be the smoothest on my machine. I wonder if that has something to do with the bit depth ? maybe 8 bit is 4. Apple ProRes 4444: Provides the. 264 codec is widely used in video delivery/distribution. For performance's sake, conforming everything to the same codec; helps keep the workflow organized. 0. Joined: Fri Dec 23, 2016 1:47 am. ProRes 422 Proxy. The way to go would be to transcode that h264 to an optimized decompressed media, it will be more GB but your machine. The youtube rip while low bitrate, is h. For Preset, select ProRes Low Resolution Proxy; Check the Add Watermark box; Leave the destination as Next To Original Media, in prox folder; Press OK; Premiere will open media encoder and begin rendering proxies for all of your video clips. What is the resolution and bitrate of low, medium and high resolution?Scroll down and select "Camera. 264 is 8-bit, it's not magically going to become a 10-bit ProRes file. Avid DNxHD 175x 10-bit. When you connect proxies, that will automatically engage, and you'll notice a MASSIVE performance boost in Premiere. And there, ProRes as an intraframe codec will play back much smoother than an H. If you have the space for it though, more often than not the time spent transcoding is made up through ease of performance later. The ProRes codecs use a variable bitrate compression scheme that is designed to preserve image quality while minimizing file size. Please use proxies other than Medium and struggle with those black bars while editing. Apple ProRes 422 Proxy: 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. After I import the footage, if I drop it into the sequence, there's no problems (as far as missing plugins go), but I like to/have to proxy clips for smoother playback. ProRes 4K is the version that has the 4K resolution,. If you do not use SCRATCH for grading, you have to transcde the KRW master files into more popular codec like ProRes. And when combined with Blackmagic Design Video Assist 12Gs, the RAW video output from the camera can be recorded as Blackmagic RAW at frame sizes up to 6. Because I want to use the highest quality proxy possible for my system in a particular editing situation. For 99% of material you won't be able to see any difference between ProRes LT and the other more bandwidth-intensive flavors. I tried to make proxies of my 4K - 8375094What resolution are you encoding those proxies at? The bitrate you’re using isn’t far off ProRes Proxy (36-91mbps 1080p depending on frame-rate. DEP edit suites and labs should be able to handle realtime playback of any of the proxy presets available. 4. 264 file should never cause you any issues. 265, ProRes if you’re on a Mac and DNxHR. Votes. I have 100 1920x1080 videos in H. 264 Low Resolution Proxy. On Premiere Pro 14. ( I find out what the source res is, and then calculate what that res would be divided by 2 or 4. 0, right clicking a video file in the bin and selecting "Make Proxy" now shows "ProRes Low/Medium/High. (The smallest Cineform I could get was more like 100Mbps) If you wanted to actually calculate the size you can use the equation: File Size = Bitrate * Time, where the time is seconds and the bitrate is Mbps. 264 is not really a good choice for proxies - you really want to be using an intraframe codec or you're not gonna get the full benifits.