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General Chat Thread, Live Video Delay in General; Just had a request from our PE department who want to capture live video footage of kids doing sport and ...
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    Live Video Delay

    Just had a request from our PE department who want to capture live video footage of kids doing sport and then play it back for analysis. I'm trying to figure out the easiest and cheapest options and was wondering if anyone on here had any ideas.

    The concept is simple. We have a child doing star jumps for 30 seconds. This footage is reordered on a camcorder and then played back automatically after the 30 seconds have finished. We already have access to a camcorder, laptop and projector and now I just need a simple (hopefully with NO teacher interaction at all) concept that will make this work.

    Anyone know of any free software that is available out there that does this sort of thing? I have seen sports motion software out there but they are far too expensive. Any help or even suggestions in other ways this can be achieved would be gratefully accepted!

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    SYSMAN_MK's Avatar
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    What's wrong with Stop/Rewind/Play?

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    Quote Originally Posted by SYSMAN_MK View Post
    What's wrong with Stop/Rewind/Play?
    I did suggest it but sadly it's too fiddly... I can also see it becoming a hassle when there is footage of 30 kids!

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    SYNACK's Avatar
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    Why involve the camcorder, sounds like you could do the same job with a much cheaper webcam as you already have the laptop there as a storage medium. There is plenty of software around that will capture video off a web cam so one of those utilities may include a feature like this or it may be scriptable.

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    plexer's Avatar
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    Our pe department uses motion coach for this and it's not free unfortunately.

    Ben

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    plexer's Avatar
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    We started doing the same thing recently. PE department came to me and said we have 500 to spend on video equipment to be able to record children and wanted to be able to play it back instantly. I ended up buying them a video camera with a 30GB hard disk in capable of video out, a 19" screen with video input and also a digital camera with a video out (which they don't really use).

    They also don't use the screen now as they have just got a 50" LCD so can watch it back on that as soon as they want.

    The camera is brill it also allows them to plug it into the computer and with the supplied software they can create dvd's (with menus aswell!) by just pressing a few buttons - brill!


    It's all good easy to use kit making my life easier as I dont have to keep going down to help them use it, in fact I think I've only been down once!

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    localzuk's Avatar
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    We use Dartfish for the same thing here. Not cheap but the PE dept like it. One thing to note though, you are more than likely going to end up needing to buy a replacement camera as they will undoubtedly going to knock it over and break it at some point... Like ours did.

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    Quote Originally Posted by plexer View Post
    I don't think you can capture live video with this software, it's just video that you have already saved... or am I missing something?

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    plexer's Avatar
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    If you're using a webcam just use whatever software that has for recording, if it's a firewore connected camera then you can use movie maker.

    Then review and analyse the footage.

    Geez some people want everything for nothing.

    Ben

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    Domino's Avatar
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    a VJ mixing desk could do this using a sample & loop function...

    but it'd have a whole bucketload of features you wouldn't use and would be pricy (although it may still be cheaper than some of the specialist sports software i've seen - dartfish i'm looking at you)

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    AJT1's Avatar
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    Quote Originally Posted by localzuk View Post
    One thing to note though, you are more than likely going to end up needing to buy a replacement camera as they will undoubtedly going to knock it over and break it at some point... Like ours did.
    Already lost the charger for the digital camera, 55 for another one!

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    Quote Originally Posted by plexer View Post
    If you're using a webcam just use whatever software that has for recording, if it's a firewore connected camera then you can use movie maker.

    Then review and analyse the footage.

    Geez some people want everything for nothing.

    Ben
    Does Movie Maker allow you to delay recorded live video footage?

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    limbo's Avatar
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    You could probably use Windows Media Encoder for this - free download of the Microsoft Website.

    You can capture video from a live source and have it record to a local video file.

    As long as you save the video in a streaming media format like a .wmv you can start playing it in box standard media player while still recording it - with all the media player options of pausing, rewinding fast forwarding (although obvisouly only to the point where the recording has got to!!)

    If you want high quality video then you might need a slightly beefier PC.

    We use this technique for open evenings when we have too many people to fit in one hall - we record the presentation to the HDD of the PC, then another PC connects to it across the network and plays the video. We usually have a 10 - 15 minute delay and it is usually a 30 minute presentation. But you just start playing the video when you are ready.

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    plexer's Avatar
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    What do you mean by delay the footage?

    Once you have recorded it to the harddrive you could use any manner of video playing programs to step through it frame by frame or something more complicated to actually process the video such as the software that has been mentioned.

    Ben

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