Taking stock publishing education media on-line.

Publishing educational media on line:

I've been thinking that my own confusion could be good for something, and I have come up with an exercise that my knowledge of these tools may be able to stretch if i use a combination of the following tools in media production

1) Slide presentation archive:
The process of creating and editing image and text in Powerpoint presentations using the following formats .
OOP
PPT
Image files
PDF
JPG

2) the process of recording audio for linking with images into audio visual presentations for publiciation and for reuse
Audio files
WAV analogue
MP3 digital compression

Video files
AVI
SWF
WMV
MP4

the digital editing tools for audiovisual Projects
Audacity
Windows Movie Maker
Camtasia Studio

the process can include additional steps and software programmes .

My first priority is to review and recommend the appropriate tools the medium simply according to who the audience are , the range of materials to present and how the project will be published and the audience . . . ?

Scenario 1
make a short audiovisual presentation for students about health and safety at the computer workstation.

Scenario 2
create digital media for a promotional display for prospective students

Scenario 3
Constructing course materials to publish on a Learning Managment system

Scenario 4
Documenting staff seminars (powerpoint presentations) for streaming online: