Archive for January, 2010

baladodiffusion

Podcasting & Vlogging: Part 2

Let me first introduce to you another term used to name Podcasting: Baladodiffuion. If you agree from now on,I will call the video blog and audio blog podcasts or balados, as you get their meaning: It’s the same!

You will understand that podcasting is different from radio-broadcasting and tele-broadcasting in the distribution of audio and video by the fact that the podcasting audience controls somehow the the flow. The audience chooses programs at will, the updates of new programs is automated. In other words,it simply means this, instead of a centralised mecanism wich brings flow to audiences(one to all), it is the actions taken by audience to download the podcasts files (such all by one).The Control is on the other side. When podcasters publish files,it is to listeners that belong the role to manage their reading list, whit their various sucription.The remote loading is then automated and resulting from multiples sources they have choosen.

baladodiffusion

Let me highlight certains domain where the use of podcasting is already adapted.

In pedagogy:

  • To mitigate the absenteeism
  • To Improve comprehension
  • To Improve the catch of notes, synthesis
  • To Supplement knowledge
  • To Multiply the modes of training
  • To produce oneself contents
  • To practice other pedagogy strategies
  • To choose the moment of training

In teaching:

  • To improve oneself peformance
  • To valorize onesself teaching work
  • To produce a teaching support
  • To improve support to stendent
  • to motivate student by using a tool they have practice.

Worldwide:



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In USA:

Some prestigious universities have developped this new way of teaching, such the university of Duke,the university of Standford,Massachusetts Institute of Technology, or the university of California(Berkeley).

In Canada:

Around 2006 some institutions wil start to offer audio and video courses in baladodiffusion,such the McMaster university,HEC Montréal,the university of montreal,the university of Sherbrooke, etc
Elsewhere in world isn’t a rest.Today,everywhere, Organisations large and small, global and local are using podcasts for remote staff training,  customer relationship management, information sharing, knowledge management, interactive marketing, B2B sales, investor relations, project management, revenue generation, communications… and much much more.

May 30, 2007 Apple the launch of “iTunes U” via its platform of digital contents “iTunes Store”. The goal of this service was to manage,distribute and control the access to lessons of audio and video contents by students in their college, or university as well on the internet.

To be able to receive,manage and control these contents you need a program called aggregator. It allows you run many syndication at the same time.

Here a list of the most popular ones:

Akregator, Amarok, Google Reader, gPodder, iTunes, Juice-iPodder, JOOG, Listen, Miro, MyFil, Netvibes, Nokia, Noopod,Podcast Arena, Rss-One, RhythmBox, Winamp, VLC media player, Zune, Quod Libet, etc.


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You may search for yourself for more information. Nevertheless, I think this post may give a large perspective on this subject. Not only what is Podcasting/Baladodiffusion,what is used for,how it is used, etc, but also can assist you if you’ve got any idea you want to share, so you can reach more people through this innovative way of comunication.

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Podcasting & Vlogging: Part One


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Some people will mingle that podcasting and video blogging (vlogging) is the same. What is  erroneous. Though, they somehow have similar properties, they are not the same.
Video blog: Instead of, like most commonly blogs, wich are textual, writing, you rather make a video, then write a short description of its content and put it next to the video. Still your visitors will beable to leave comments as usual. Video blogs also called Vlogs are built by many people from videos they shoot , typically whit a digital video camera, for best quality and traditionnal blogs. Video blogs are used by both professionals and amateurs.
The process is you shoot the video,upload it into your computer,then to your webserver or the host of your video blog. Write the short description,use a code(there are many diferente) to display the video on your blog.
The file formats to use, depend largely on how big the video file is, the player that you are using the call the videoon the server, and of course on your personal preference.
There are two ways to display these videos,either the basic way or usingstreaming.

  • MPEG-4 and its derivatives(H.264, XviD and DviX)
  • 3 gr for mobile phones
  • Macromedia Flash (.flv for streaming )

Podcasting find its origin in the advent of Web.2 and particularly in the development of technology like RSS. But,differently to the Vlogging,it is only an audio file that is available via RSS.In the other hand, vodcasts have also emarged. By defintion, vodcast is a video podcast. By the way, there a great debate as wether or not vodcast is the same to vlog. But as I said, it is not.

There are two maitn actors:

  • The ones who search for these audio and video files
  • and the ones who publish those.

Podcasting uses RSS to add in addition to the audio or video contents descriptive data and metadata related to the files(Labels ID3 for the MP3s), some datas like the date, the title, a summary,links, pictures. Advanced foncionalities are available on the files whit formats MPEG-4. And there exist various extensions of file, introduced by apple.

Distinguish these different formats:

  • .mp4: the official extension of the format MPEG-4
  • .m4a announces an audio file MPEG-4 (a as audio)
  • .m4b announces a MPEG-4 file chapter (b as bookmark)
  • .m4p announces a MPEG-4 protected file(p as protected)
  • .m4v annouces a MPEG-4 vidéo file (v as video)

Stay tune for the coming part…

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