You are mixing up aquisition frame rate vs record frame rate. Analog to the 60i field rate there is a 50i field rate for. Claims that suchandsuch a machine will play 1080p discs usually mean 24p or involve some sort of typo, omission, or misconception. Even though all my output is going to be turned into 30 fps for apple tv viewing or 30i for youtube distribution, is my video quality going to be higher, shooting in 60p with a data rate of 34 mbs vs 60i at 17 mbs whether the subject is fast moving or not. Mar 11, 2012 60p and 60fps are very similar, in fact, the only difference is that one refers to input frames captured per second, versus output frames displayed per second. Since at least part of the image is updating every 160th of a second, however, flickerstrobing is reduced and 60i can look smoother to the eye even though overall, the data update rate is the same as 30p. Video frame rates 60i vs 60p vs 30p vs 24p what it means. In the case of 60i, each frame contains either the odd or the evennumbered lines of the image. When people say 60p they mean 60 frames per second. Then you need to use avisynth to decimate with srestore, to create 24p from 60p. Of course, motion resolution is better at higher frame rates but to most people it just looks unnatural.
This is going away a bit, since good computer video players, and all digital tvs, use a variety of tricks to make interlaced look progressive, since they dont have interlaced displays. Which is better to record soccer games, 60i, 30p, 24p or 60p. If youre going to upload your video or show it anyplace other than on a tv, youll want to use a p frame rate, as in 60p or 24p. Mixing media need advice on mixing 60i with 60p kevin mc wrote on 3252014, 2. Video frame rates 24p, 25p, 30p, 60i steves digicams. Many, but not all, cameras today that can shoot 60p, can probably also shoot 24p. So why do we have this for me extremely annoying difference of the super sharp foreground and the fuzzy background in 60p.
A 60i format shoots 60 fields a second, which get combined into 30 frames a second. What is the difference performance wise between 60p and 60i. Pf30 is canons version of psf30 which is actually a 29. Frame rate and ghosting vhs issues 60i back to 24p. In an interlaced world the crt phosphors and our brains filled in the detail to emulate 60 frames a second. Typically, the tradeoff is 30p versus 60i 30 full frames per sec versus 60 fields per second, or progressive versus interlaced at different resolutions, say 1080i versus 720p. To extract 24p from the 60i recorded stream, you must inverse telecine. The resolution of the video, the frame rate of the video and the. I own a canon rebel t2i and i always shoot sports in 60p. If you feed it interlace, it will optimally interpolate for 60p or 120p display. So for 60p, it records 60 frame per second, means that it take 10 more frames than the 50p, thats why the file becomes larger than the 50p files. If your start shooting a project in 24p, finish in 24p. Feb 11, 2010 radek i think the reason they choose to use 1080 60i and 720 60p as hdtv standards is because when you do the math, the data rate of those two are very similar. In terms of frame rate for smooth motion 60i is closer to 60p.
Recital frame rate 60i vs 30p shoot 60i or 60p they are the same temporal motion for smooth dance motion and then go to 60i dvd. When a 60i raw format is deinterlaced to a 30 frame per second video it depends on the quality of the deinterlacing software. I live in the uk and it seems that 50i or 25p frame rate cameras are not as readily available for certain models, this mostly applies to still cameras that can. For best results, footage should be deinterlaced and framedoubled to 60p. Free sony fs5 hfr upgrade high frame rate recording. The reason i shoot at such a high frame rate is simply because i have more frames to work with, and it yields much smoother motion less choppy. Camera configuration should i select an avchd interlaced. As 30fps refers to 30 images per second, 60fps 60 framess, 120fps 120 framess and 240fps 240 framess, the smoothness. I will be using a canon xh a1, which actually offers 60i 30f and 24f frame rates.
When avchd 28m ps is set, movies are recorded in 60p. I think 60p video looks flat and phony compared to film. Ideally, it would be great to seperate the 2 fields used to create a single frame of 29. This is the frame rate at which a camera records images. May 18, 2011 to extract 24p from the 60i recorded stream, you must inverse telecine. Avchd 60i is the process of recording 60 frames per second using the interlace scanning system while 60p records 60 frames per second using the progressive scanning system.
Each frame consists of two fields, each 160th of a second apart. But with simple software conversions from 50p to 50i this antialiasing. Shooting 60p it is easy to make 60i for dvd and either 60p or 30p for the web. No, you can only have a true 60i frame if it was captured that way. Interlacing is a technique that virtually doubles the frame rate of video in order to consume less bandwidth. Feb 22, 2012 24p is the frame rate used for shooting feature films which partially answers your final question.
What shutter speed to use if shooting 50p or 60p for 50i. If you dont want slomo, then just drop 60p into 30p timeline, and any decent editor will simply throw away every other frame. Slow motion howto 60p footage or higher on 30fps timeline. Most consumer level hd cameras are restricted depending upon the electrical frequency of the market region they are being sold in. But 60p will certainly be a benefit if the goal is to slow it down to 30p and then convert the result to 60i. Im currently shooting in 60i, and the shots look very clear, however, when a train passes, i cant quite read the lettering on the engines, it goes by too quick to read clearly. I believe standard for television is 60i actually just short of 60. You will save hours of time and it will work on any ntsc monitor. However, which frame rate you intend to shoot at eg 50i 60i, 25p 30p etc will certainly make a difference. If you feed it 30p, it will frame repeat to 60p or 120p. Bluray also adds the ability to drop the frame rate to 24 hz, to match the cinematic frame rate without having to resort to 3. So simply changing the field order just creates 30p footage. Selects the image size, frame rate, and image quality for movie recording.
Since 60i video updates half the frame each cycle, resolution is reduced due to the fact that an entire frame is never captured at once. Do you know what the best frame rate is to use when shooting video. The number indicates the amount of frames captured or played back per second, aka fps. This will make your shots look smoother at the ever so slight disadvantage of each frame being able to capture less light. The reason why is the software has a much better chance of getting the interpolation.
Interlaced video is what we all watched back in the crt days, and it was simply because of technological limitations. I have a panasonic camcorder that records in 1080 60p or 60i. This is done with a deinterlace filter, and both virtualdub and avisynth have options for this. In any case, you only will want to shoot interlaced if your program is going to. Dec 26, 2019 with the development of technology, many newer variations come out including 48p, 50i 60i, 50p 60p, 72p, 90p, 100p119. Pf24 24 frames per second sequenced as 60i should be used if you need to match film frame rate or if you want to increase compression in the final product by reduction of frame rate by 20 %. Hdsdi cable will transport video at max resolutions of 720 60p or 1080 60i. If your final product is 30p, you can shoot at 30p, edit at 30p and render at 30p. What do 60i and 60p in the recording format avchd 60i60p. Jun 24, 20 a 60i video camera recording leads to effective 30 frames per second because 2 fields are required for one full image frame. The storage rate 60mbps means that every second of recording will take about 60m memory of the disk. This time difference is what causes all the grief in dealing with interlaced images on the computer, which displays all images progressively.
So if op has a camera that can shoot 60p, there is. I live in the uk and it seems that 50i or 25p frame rate cameras are not as readily available for certain models, this mostly. If you shot in 24p, itd be at 24 frames per second. Difference in frame rates 24fps vs 30fps vs 60fps avi duration. Either way, 30p will always appear more motion stepped vs. Pf30 vs pf24 vs 60i canon hg20 october 2008 forums cnet. Single frame bit rate or bit rate per pixel is the same as 60i mode. Dec 11, 2011 the 60i that is being stated in the infobox refers to the signals refresh rate and the way that the signal is being transmitted.
I know the hd writer software that came with the camera will make a 1080 60p file to bluray, but the editing capabilites are extremely limited, and the process of doing so is very painfully slow. Mar 24, 2015 video frame rates 60i vs 60p vs 30p vs 24p what it means as a general rule of thumb we could say the following. Of course this would also apply to shooting at 60p for 60i conversion. The 60i that is being stated in the infobox refers to the signals refresh rate and the way that the signal is being transmitted. Or you can shoot at 60p and edit at 30p this allows you to use 60p for 0. Sep 15, 2008 so what do you like better, the 24p with the jerkiness or the 60p with the judder. May 15, 2011 a 60i format shoots 60 fields a second, which get combined into 30 frames a second. Viewing 11 reply threads author posts march 21, 2011 at 4. With the development of technology, many newer variations come out including 48p, 50i60i, 50p60p, 72p, 90p, 100p119. In video technology, 24p refers to a video format that operates at 24 frames per second frame. What shutter speed to use if shooting 50p or 60p for 50i60i. Unfortunately premiere interprets 60i footage as 29. This allows you to sort of double your frame rate, even though its really the same complete frames per second. Interlacing is a technique that virtually doubles the framerate of video in order to consume less bandwidth.
Records highdefinition movies by converting them to mp4 file format using the mpeg4 avch. Most extant software to make 1080 60p video compatible with disc involves some sort of conversion. However if you are shooting at 50fps or 60fps so that it can be converted to 50i or 60i, with each frame becoming a field, then the normal shutter speed you should use will be 150th or 160th to mimic a 25fps50i camera or 30fps60i camera which would typically have its shutter running at 150 or 160th. Software exists to convert 60i to 60p so you can do the same thing, but the 60i footage only has half as much the picture data and i think youll see better results if you avoid that. Video frame rates 60i vs 60p vs 30p vs 24p what it means as a general rule of thumb we could say the following. The higher the bitrate, the higher the image quality. The standards are described by a number and a letter. A camcorder frame in pf24 mode will have the same bit rate per frame or bit rate per pixel as pf30 or 60i modes. Some 120p sets may attempt intermediate frame interpolation. More on frame rate choices for todays video productions. Is there any difference to shooting in 24p, vs shooting in.
Interlaced is a technique used to simulate faster frame rates. I am still having doubts, while the 24p seems to give better details compared to the blurriness of the 60p, the 60p seems to be smoother and more satisfactory in watching at the end. For knowing more about 30 fps vs 60 fps, you can use a functional frame rate converter to adjust video frame rate. For fast motion, 60i may actually be better than 30p. If you want something that looks like video, you probably want to shoot in 108060i. For this test, i used the yadif filter in virtualdub, and it doubled the frame rate tff to 60p. The camera is taking 60 pictures a second but only sending out odd or even scan lines for each of these pictures. Menu camera settings record setting desired setting. Avchd 60i is the process of recording 60 frames per second using the interlace scanning system while 60p records 60 frames per second. Since 60i refers to ntsc color standard the effective frame rate is actually 29.
Some of the emerging hd formats support the 24p framerate in addition to 60i and 50i pal. Usually the field of depth is just a function of the aperture. Analog to the 60i field rate there is a 50i field rate for european tv standards pal and secam. I recently made a mistake, i set the frame rate to 60i while messing around and left it there while in sd 16. The video fluency or smoothness is proportional to the frame rate and storage rate.
Feb 05, 2018 recording for clients, making dvds and blu rays. Jun 18, 2016 do you know what the best frame rate is to use when shooting video. Im a bit confused regarding 60i vs 60p frame rate when it comes to hd video. If slow motion is important, then you should consider a camera that can record 1280x720 at 120 frames per second. Most of the time when you slow down your footage to get slo motion its best to either shoot in 60p or convert your 60i footage to progressive in post. What do 60i50i and 60p50p in the recording format avchd 60i.
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