Archive
Archive for the ‘Presenter-Computer’ Category
Screencasts for Fall 2011 Workshop: Computer classroom management in the LRC using Sanako Study 1200
2011/12/08
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- The workshop stayed “this side of the digital audio lab”, i.e. focused on those generic teaching tasks that the Sanako Study 1200 can facilitate which have the widest teaching application (including in, but also beyond language-skill-courses):
- remote controlling student computers,
- screen sharing, collaborating with students,
- launching applications on students computers,
- sending students to webpages,
- launching handout files to students and collecting their input back
- locking their computers, screens or keyboards,
- “clicker” classroom polls, for which I have written a PowerPoint Template you can base your own clicker-like face-to-face class exercises on.
- and more…
- Here are two screencasts of my presentation:
- one for the right screen/participant screen (using the Study1200 teacher to student screen casting). Requires Windows Media Player on PC, like in the LRC: download from MS-SkyDrive.
- one for the left screen/projector, where I displayed mostly a PowerPoint. You can watch this in parallel using another player, e.g. the VLC player, like in the LRC. However, it can also stream from MS-SkyDrive.
A PowerPoint Template to base your clicker-like face-to-face class exercises on
2011/12/08
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- Enables easy exercise creation:
- Resides on S:\coas\lcs\labs\lrctest\templates\Teacher.pot;
- Requires MS-PowerPoint 2010, as installed on the teacher computer in LRCRoomCoed434.
- Training videos are available for download here (requires Windows Media Player on Windows, as installed in the LRCRoomCoed434).
- powerpoint_template_overview_default_slide.wmv
- powerpoint_template_sequential_slides.wmv
- powerpoint_template_interactive_slides.wmv
- Usage samples available on request from
- German Beginners,
- Intermediate
- and Advanced Classes.
PowerPoint 2010 upgrade from 2007 disables setup show display on secondary screen
2011/12/06
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- Symptom: Without hardware changes (a visualizer that seemed to enter into the equation as an AV source seems to have been ruled out as culprit), PowerPoint cannot display show from primary right screen to secondary left screen.
- Cause: Upgrade to PowerPoint 2010 from 2007, but seems really an underlying video driver limitation that has given us grieve in our – admittedly uncommon: 1024*768 on secondary, projector-connected screen, dictated by the projector – setup before.
- Workaround: Make the 1024*768 left screen the primary screen.
- Upside: this allows to project the show to the class, but teacher can still move the underlying PowerPoint presentation onto the right screen (for previewing answers. The PowerPoint 2010 upgrade did fix the PowerPoint 2007 bug that interactive animations from PowerPoint 2003 where briefly revealed on slide load before they went into the default hidden state).
- Downsides:
- Presenter view is still not possible, complains about seeing only one screen connected, even though “Check” button brings up the windows screen properties dual screen.
- The Windows taskbar displays on the left screen, so teacher staging is visible to the class when projector is on (as it always was with a single screen. Only the secondary right screen added a staging area for the teacher).
- Presenter view is still not possible, complains about seeing only one screen connected, even though “Check” button brings up the windows screen properties dual screen.
- Upside: this allows to project the show to the class, but teacher can still move the underlying PowerPoint presentation onto the right screen (for previewing answers. The PowerPoint 2010 upgrade did fix the PowerPoint 2007 bug that interactive animations from PowerPoint 2003 where briefly revealed on slide load before they went into the default hidden state).
Streaming Problems with Realmedia via RTSP from ereserves with VLC Player (and Internet Explorer. And NetOp School)
2011/11/10
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- VLC-player
- version 1.1.9, but also currently newest 1.1.11 as well on Windows CXP SP 3
- opens from IE8 and Firefox 3.6
- but is not able to play files (tested even multi) through. Rather, it nicely falls on its face, with the audio stream simply appearing to stop, mid-sentence, after 2:38 (pretty consistently – a buffering bug? A great way to slip through pre-testing).
- In the LRC, I could hardly bring the taskswitcher up, let alone (15 minutes of waiting) the task manager, to even find that vlc.exe is the culprit, with a CPU utilization of 99% solid (Ouch!).
- Not quite so bad in the office computer where it hovered slightly above 25%, maybe busying only one CPU core.
- My Google searches do not find anything quite similar.
- RealPlayer 14 to the rescue?
- In IE8, RealPlayer does not open when clicking on the web page link with the RM file which causes a dialogue to open if VLC-player is the default player, rather a strange unplayable content error..
- In Firefox, RealPlayer open and plays (and pre-buffers) the stream completely.
- Note that ereserves “download as zip” cannot serve as a workaround: gives you only the links like http://dlib4.uncc.edu/streaming/media_play.php?file=9364cb66b9e1cae26aed0f471e9eab5b, which require you to re-authenticate, even if in the same browser session, and do not redirect to the resource, neither audio nor web page form which you could launch the audio (in short, I do not get what this download as zip is good for)
- Next Problem: This may work on my office computer. In the lab we have NetOp School installed. That adds another layer of NetOp School problems which look like they can be resolved
next time the lab is reimaged. For now, use instead audio from Moodle metacourses where possible.next time I get around to design and run a Symantec-Ghost Software and File Action on the computers (all LRC lab PCs) and test the result (on PC10) which was now.
Protected: Sharing the LRC main classroom, using LRC Calendar LRCRoomCoed434
2011/10/12
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Categories: LRCRoomCoed434, Presenter-Computer, Student-Computers
calendaring, outlook-live, scheduling
How to use the LRC Room Coed 434 Teacher Computer
2011/09/23
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- Teacher podium
- Even though the teacher computer may have 2 screens, log in as normal: Follow the instructions on the screen (press CTRL-ALT-DEL and enter your credentials).
- Also check our instructions for using the dual screen on the teacher computer.
- Even though the teacher computer may have 2 screens, log in as normal: Follow the instructions on the screen (press CTRL-ALT-DEL and enter your credentials).
- Connected computer to the right of the podium
- If you see this “Computer has been Locked” message, try and get hold of the person whose account name appears as the last logged in user when you press CTRL-ALT-DEL, to unlock the computer. If you cannot get hold off the person, or of somebody with an administrator account, you have to restart (power cycle) that computer.
- If the screens are black and do not come on when you move the mouse and type on the keyboard, turn that computer on using the Power button in front.
- If you want to use a CD, DVD, thumb drive, insert it into that computer.
- If you get this message when closing the Sanako Study1200, say “no”.
Categories: LRCRoomCoed434, Presenter-Computer
FAQs
Sanako Study-1200 Oral Exams: More result examples
2011/09/07
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- Study 1200 will automatically save the exam recordings of each of your students under a distinct name (you can choose student email name or seat number) in a location which you can access from your office desktop:
- You can load this recordings in Audacity to grade them, including skipping past the questions and increasing the play speed, but not the pitch, and easy comparison of students like in the picture below:
-
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Learning usage samples: Sanako oral exam, Kaltura webcam presentation, Dictation with speech recognition, Sanako written exam, Chinese and Japanese interactive stroke-order practice
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