Direct-broadcast satellite (DBS) DirecTV and DISH

1
Chapter 5

• Digital Domains

2

• The Digital Challenge
• Digital convergence merging of separate media
  (radio, TV, telephone, computer) into one medium.
• Compression reduces bandwidth needed to
  transmit video, audio.
• Digits Defined
• Digital technology is more efficient than analog.
• Binary language 0s, 1s.

3

• Broadband future
• Broadband allows wider bandwidth for on-line
  media.
• Streaming Media
• TV stations are streaming over the Web computers
  as TV sets.
• Interactive Television
• Hasnt lived up to promise European models
  banking, transportation scheduling.
• Digital Cable hundreds of channels, Internet
  access.

4

• Satellites in the Digital Age
• Direct-broadcast satellite (DBS) DirecTV and
  DISH.
• Satellites and MPEG Video
• Motion Picture Experts Group developed
  compression standards for video, audio (MP3),
  still pictures.
• DVDs and VCRs
• VCR sales dropped 35, 2000-01.
• DVD players reached 25 penetration, faster any
  other household appliance.
• Price, 1,500 in 2001.

5

• Wireless Networks
• FCC allocated 800-900 mHz for cell phones, 1971
  first service, 1983.
• Wireless Internet, Wi-Fi, PDAs (Blackberry).
• Video Games
• Celebration and controversy.
• College students procrastinate.
• Reduce TV viewing.
• Instant Messaging real time communication