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Last edited by Dr. Michael Petter May 22, 2019
Page history

Home

Welcome to the Teleteaching Tool Standalone development center

Download the newest version 2019/05/22:

Unix: down Windows: down Android: down

Related Projects

If You like the Teleteaching Standalone Tool, you might also like

  • the Android TTT Lecture Recorder
  • the Android TTT Lecture Player
  • the Webbased TTT Lecture Player

Looking for Help?

Using the teleteaching tool for the first time during a semester is not recommended. Try to setup your gear a little bit beforehand and test it! Make sure, to keep using the most recent version of the tool!

  • We have gathered installation instructions on how to perform typical installations on mainstream computers, including an FAQ of common installation/hardware issues.
  • Furthermore, there is usage instructions , on how to operate the basic tools and how to do postprocessing on lectures.
  • Strange bugs and errors are best reported to the developers directly, via email.

Feature requests

The Teleteaching Tool in its current state is used to record many lectures at the TUM. However, it may miss a few features, that might be crucial for adopting it to record Your lecture. Please let the developers know, what features are missing for You. Please keep in mind, that although we are open for proposition, we might need time to implement them in the TTT - a certain delay is therefore inevitable in most cases.

The Teleteaching Tool

The teleteaching tool is an application for recording and postprocessing lectures. Development of the TTT started at Universität Trier by Peter Ziewer, and is continued here at TUM. It offers Screengrabbing, audio and video recording of arbitrary lectures or presentations. During lecture mode, all programs that You start will are recorded. You can use paint tools to annotate the whole screen in lecture mode:

ttt_recorder or ttt_player

The recorded talks can be converted not only into TTT's proprietary lossless format, but also into flash applets or .mp4 video podcasts, and downloaded here.

Latest Changes in a Glimpse

  • trigger postprocessing of lectures on the server
  • ssh-keysize now defaults to 2048 and is an experimental parameter now
  • bugfix: audio level warning now removed on recording window being closed
  • Added a registry for experimental values, can be called via java -cp ttt.jar ttt.Experimental
  • Fixed annoying bugs in MP4 generation on Windows platforms, due to whitespaces in filenames as well File.renameTo requiring the target file not to exist
  • Fixed an annoying bug in MP4 generation on all platforms with the video needing to have even height in pixels
  • Added High-Resolution Icons for High-DPI Laptops (>=1920x1080)
  • Collection of useful unix scripts in a folder
  • Moved Toolbar to the right instead of on the top
  • Deprecated SWF generation in favour of new Emscripten Webplayer
  • Fixed umlaut issue in encoding strings in byte arrays
  • Made thumbnail generation on raw .ttt files much more performant
  • Fixed issue with merging more than 2 lectures!
  • Brand new: Android Player, written by Thomas Krex!
  • removed menu item for old Editor
  • repaired lecture concatenation bug
  • migrated to Tesseract 3.03
  • integrated screen rotation scripts for linux tablets
  • introduced a possibility to change the resolution of the generated mp4-video
  • replaced calls to ffmpeg with calls to avconv
  • longer interval for closing the TTT window before resolution changed warning is issued again
  • changed timing of thumbnail generation to capture non-TTT annotations
  • added explicit information on available audio line-in mixers in Help/About Teleteaching
  • unselected postprocessing options when detected previous results
  • fixed sept/2013 changes of avconv/ffmpeg options
  • updated Windows Java installer links
  • TTT now shows a red border in direct control mode
  • TTT warns, when the microphone volume level is suspiciously low
  • automatic Tesseract OCR instead of manual Omnipage
  • fixed bug in playback, selecting slides directly via Thumbnail now works properly

If You are interested, in how the TTT works, You can download and compile the TTT, following compiling section!

have fun!

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