video camera for sports analysis image
Abdul Phil
I have the panasonic dmc fz150 which can record high speed videos at 220 frames per second. The problem is I can't find a program that can open the videos and allow me to watch the videos frame by frame at the original 220 frames per second. instead the programs play a slow motion version of the video at 30 fps. I need help finding the best program which can play my videos frame by frame at 220 fps.
Thanks
Answer
i don't know how to break the news to you but like ALL consumer video cameras except for miniDV, it does not take frame-by-frame shots. the 220 fps mode with quarter size video is only intended to be viewed as 30 fps slo mo. if you were to take normal MP4 video at 30 fps, the camera itself would only be taking 4 actual frames per second. the missing frames are virtual, being recreated on playback, not recorded by the camera. suppose the camera captured all 30 frames per second in an internal buffer, then transferred to the card. what you have in effect is 240 fps video when the MP4 8:1 frame compression is applied. some cameras can actually do the full 240 fps in the high speed burst mode, but the fz150 is just slightly slow. since miniDV records 60 fields per second at 360x240, compared to 30 QVGA size 320x240 actual frames, it is more than twice as good as the Fz 150 for motion analysis. plus virtually any video software can grab frame by frame images or do high quality slo mo. That is why it is preferred by those that shoot action sports.
i don't know how to break the news to you but like ALL consumer video cameras except for miniDV, it does not take frame-by-frame shots. the 220 fps mode with quarter size video is only intended to be viewed as 30 fps slo mo. if you were to take normal MP4 video at 30 fps, the camera itself would only be taking 4 actual frames per second. the missing frames are virtual, being recreated on playback, not recorded by the camera. suppose the camera captured all 30 frames per second in an internal buffer, then transferred to the card. what you have in effect is 240 fps video when the MP4 8:1 frame compression is applied. some cameras can actually do the full 240 fps in the high speed burst mode, but the fz150 is just slightly slow. since miniDV records 60 fields per second at 360x240, compared to 30 QVGA size 320x240 actual frames, it is more than twice as good as the Fz 150 for motion analysis. plus virtually any video software can grab frame by frame images or do high quality slo mo. That is why it is preferred by those that shoot action sports.
How do I choose not to record sound on my Sony HDR-HC3?
Joe
I am trying to not record the audio portion while using the Sony HDR-HC3 and was hoping there was a way to do it on the camera or on Dartfish.
Answer
Hi Joe, and welcome to Yahoo!Answers:
I'll assume you are using Dartfish to capture sports-analysis footage (or other non-classroom scenes) where the audio track isn't needed or wanted.
Since the Sony HDR-HC3 doesn't have a normal "external mic" input jack that you could mute by inserting an "empty" 3.5mm stereo (1/8" phone plug) connector, it will be easier to mute the audio using the Dartfish "DV Import Tool" after you finish recording, since you have a DV/HDV cassette camcorder.
When you start Dartfish, and select the DV Import dialog, and if you click on "Recording Options" there's a section marked "Capture Device" which has two drop-down menus: one for the Video source, and one for the Audio source.
This is where you'll be able to select ANY other audio source that's NOT the DV Camera audio (usually called "Microsoft DV Camera" in the menu). You should be able to select your normal sound card recording sources, and just go into your Windows Control Panel (in your Start Menu) for "Sounds & Audio Devices" and click Mute or Mute All for any microphone or line recording inputs. The original audio stream from the DV tape will be bypassed with this method.
I don't have the PDF manual for the Handycam HC3 right now, but there may (or may not) be a way to fade down the built-in microphone inputs in some camera menu setting. (I'll post an update link in my Sources below, if I find that from Sony.) This is the big difference between a pro-level camcorder (with real audio knobs) and a consumer camcorder like the HC3.
Make use of Dartfish.com's customer support help, when using their software. Here's an online video tutorial covering the basic menus & workflow for importing DV footage (start viewing at 04:30 for DV Import): http://www.dartfish.tv/Presenter.aspx?CR=p3c4873m12986
hope this helps,
--Dennis C.
Â
Hi Joe, and welcome to Yahoo!Answers:
I'll assume you are using Dartfish to capture sports-analysis footage (or other non-classroom scenes) where the audio track isn't needed or wanted.
Since the Sony HDR-HC3 doesn't have a normal "external mic" input jack that you could mute by inserting an "empty" 3.5mm stereo (1/8" phone plug) connector, it will be easier to mute the audio using the Dartfish "DV Import Tool" after you finish recording, since you have a DV/HDV cassette camcorder.
When you start Dartfish, and select the DV Import dialog, and if you click on "Recording Options" there's a section marked "Capture Device" which has two drop-down menus: one for the Video source, and one for the Audio source.
This is where you'll be able to select ANY other audio source that's NOT the DV Camera audio (usually called "Microsoft DV Camera" in the menu). You should be able to select your normal sound card recording sources, and just go into your Windows Control Panel (in your Start Menu) for "Sounds & Audio Devices" and click Mute or Mute All for any microphone or line recording inputs. The original audio stream from the DV tape will be bypassed with this method.
I don't have the PDF manual for the Handycam HC3 right now, but there may (or may not) be a way to fade down the built-in microphone inputs in some camera menu setting. (I'll post an update link in my Sources below, if I find that from Sony.) This is the big difference between a pro-level camcorder (with real audio knobs) and a consumer camcorder like the HC3.
Make use of Dartfish.com's customer support help, when using their software. Here's an online video tutorial covering the basic menus & workflow for importing DV footage (start viewing at 04:30 for DV Import): http://www.dartfish.tv/Presenter.aspx?CR=p3c4873m12986
hope this helps,
--Dennis C.
Â
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