alice-teacher exporting video

[bedeus]

I use screenr because it is a free web app. The quality isn't that bad and
you can download as an mp4.

-----Original Message-----
From: alice-teachers-bounces+bedeus=comcast.net at lists.andrew.cmu.edu
[mailto:alice-teachers-bounces+bedeus=comcast.net at lists.andrew.cmu.edu] On
Behalf Of Marla Weston
Sent: Friday, April 01, 2011 3:46 PM
To: alice-teachers at lists.andrew.cmu.edu
Subject: Re: alice-teacher exporting video

I use Camtasia (http://www.techsmith.com/camtasia/) to capture completed 
student work. Unfortunately, it is not open source. However, there is a 
complete 30 day trial version, and the educational pricing is not bad 
(approx $200).

The nice thing about Camtasia is that you can select any number of 
output formats including "iPad", "web", "wav" and others. I have also 
used it to edit both the video and sound if I want just a small clip to 
embed in a presentation.

Marla Weston PhD
Computer Science Department
Camosun College
Victoria, B.C.
Canada

On 01/04/2011 12:57 PM, Don Slater wrote:
> In the File menu of Alice 2.2, there is an option to "Export to video."
>
> However, Export to movie has been "hit&  miss"  -- mostly because of
problems with sound files not being easily integrated.
>
> Sound files need to be clipped to be the length actually played in the
animation.
>
> For example, if a sound file is 1.5 minutes long but only 20 seconds is
being played in the animation, Alice still loads the entire sound file, but
the underlying operating system does not release the sound process when the
animation finishes. (Alice has a hard time recognizing when an animation is
over.)
>
> The end result is that when Quicktime is trying to record the captured
video with the sound file, it is denied access to the sound file because the
sound file is still open.
> This causes the whole process to go out of whack.
>
> The best fix is to edit the sound clip to the actual length of the
animation. Then when it is finished playing it is released.  This allows
Quicktime access to the file during the recording phase.
>
> We have always recommended Audacity as a good open source sound editor,
but there are other tools out there that will work as well.
>
> ---
>
> Any other thoughts / comments / questions?
>
>
> Don Slater
>
> On Apr 1, 2011, at 12:42 PM, Valerie Pinkney wrote:
>
>> How do you export the videos student make?  Can you save them on a CD?  I
would like to send the endproduct with my national boards.
>>
>> Val Pinkney
>> ESL Teacher
>> East Millbrook Middle School
>> IB/A+ magnet
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