Digital Media

1
Digital Media

• Out of Jons head

2
Analog vs Digital

• Analog Sending data via its true wave format
• Continuous
• Advantages?
• Disadvantages? noise
• Digital Attempts to represent analog waves via
  numbers
• Discontinuous
• Advantages?
• Disadvantages?

3
Music

• Formats
• MP3, WMA, M4P, CD
• Players
• ITunes, WinAmp, Windows Media Player
• Where do you get digital music

4
Bit Torrent

• File Sharing
• A way for people to download/upload songs from
  others on the network
• Pseudo Peer to Peer System
• Servers are used to keep track of what computers
  have what information. This helps in searching

5
DRM

• Digital Rights Management
• Apple and Windows are the leading ones
• Attempts to stop the free sharing of music
• Songs are encrypted and need a password to be
  played
• Your email is embedded into the song
• Currently Apple and Windows are hacked

6
Photography

• Digital Cameras vs SLR cameras
• Mega Pixels
• 35mm approximately 24 mega pixels
• 1 MP 4 X 6 4 MP 11 X 14
• 2 MP 5 X 7 5 MP 16 X 20
• 3 MP 8 X 10 7 MP 30 X 40

7
Image Formats

• JPEG
• Compression
• RAW
• Is made up of the original data

8
Digital Video

• Formats
• DVD, mpg, mov, rm, avi
• Players
• Windows Media Player, ITunes, DivX
• YouTube
• GoogleVideo
• Yahoo Video

9
Ripping A DVD

• DVDs are encrypted so not to be ripped
• Sony had large problems with installing a root
  kit to prevent the ripping of DVDs
• DVD Shrink