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AOIT Digital Video and Digital Media. Unit 1, Lesson 2 Introduction to Digital Video & Digital Media. Digital media is a subset of all media. Media is anything people use to communicate, like TV, newspapers, paintings, radio, photos, or billboards

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digital media is a subset of all media
Digital media is a subset of all media

Media is anything people use to communicate, like TV, newspapers, paintings, radio, photos, or billboards

Digitalmedia is any media in a digital format—in other words, media that a computer can understand and work with

The word digital comes from a Latin word meaning “finger.”

analog and digital media are not the same thing
Analog and digital media are not the same thing

Analog technology includes photocopiers, audiotape, radio, and traditional telephones.

analog and digital media are not the same thing1
Analog and digital media are not the same thing

Advantages of digital technology:

The stored information does not usually degrade over time.

Groups of numbers can often be compressed by finding patterns in them.

Digitaltechnology includes MP3 players, digital cameras, and cell phones.

digitization is affecting print publications
Digitization is affecting print publications
  • Creation: Print media is prepared on computers and sent to the printer in digital format.
  • Sharing: Printed newspapers, magazines, and books are giving way to digital formats.

What are some examples of print media that are a part of your daily life? Which are analog and which are digital?

digitization is affecting the music industry
Digitization is affecting the music industry
  • Creation: Music is captured right to digital tape for mixing and processing with a computer.
  • Sharing: Music CDs, which are digital, have been giving way to portable MP3 files.

What are some examples of musical media that are a part of your daily life? Which are analog and which are digital?

digitization is affecting photography
Digitization is affecting photography
  • Creation: Digital cameras are much more popular than film cameras.
  • Sharing: Images are now mostly organized on a personal computer or website and printed using a digital printer.

What are some examples of photographic media that are a part of your daily life? Which are analog and which are digital?

digitization is affecting movies video film
Digitization is affecting movies (video/film)
  • Creation: Hollywood studios shoot on film, but post-production work is done with computers. Many independent filmmakers use digital video for everything.
  • Sharing: Most theaters project movies with analog projectors. In homes, movies are usually viewed digitally, on DVDs, and compressed videos have taken the Internet by storm.

What are some examples of video/film media that are a part of your daily life? Which are analog and which are digital? How are they blended?

youtube is a leader in the trend to digital media
YouTube is a leader in the trend to digital media

How the YouTube Model Works

CREATING

CONTENT

(video clips)

Camera person

Video editor

Sound mixer

SHARING CONTENT

(website)

Interactive designers

Web designers

Web engineers

ENJOYING CONTENT

(audience)

The public with computers and Internet access

In what ways do you use YouTube?

Audience affects content by providing feedback and comments

digitization is affecting tv and radio
Digitization is affecting TV and radio
  • Creation: Most prime-time TV shows are shot digitally. Major radio stations, too, have begun digital broadcasting.
  • Sharing: Consumers are buying new equipment to take advantage of the new digital signals and HDTV. Analog TV broadcasting will stop in 2009. Radio will continue to use both analog and digital channels.

What are some examples of TV and radio media that are a part of your daily life? Which are analog and which are digital?

television broadcasting is going completely digital
Television broadcasting is going completely digital

Advantages of digital broadcasting:

  • A digital signal is “cleaner.”
  • A digital signal carries more information than an analog signal.
  • Switching TV broadcasting to digital signals means that the analog signals can be used for other purposes.
digital tv can broadcast in high definition
Digital TV can broadcast in high definition

16

4

3

9

High Definition

Aspect Ratio

Standard Definition

Aspect Ratio

Where have you seen screens with these different aspect ratios?

digital media is everywhere
Digital media is everywhere!

Digital media is changing the way we:

  • Read
  • Listen to music
  • Take photographs
  • See movies
  • Experience television

How else do you believe digital media is changing the way we live?

text and image credits
Text and Image Credits
  • The text on slide 3 is from "Can you explain the basic difference between analog and digital technology?" HowStuffWorks, http://entertainment.howstuffworks.com/question7.htm (accessed March 12, 2007). The photos on this slide can be accessed on Wikipedia.org and are reproduced here under the terms of the GNU Free Documentation License. Permission is granted to copy, distribute and/or modify these images under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is available at http://commons.wikimedia.org/wiki/Commons:GNU_Free_Documentation_License.
  • The text on slide 4 is from "Can you explain the basic difference between analog and digital technology?" HowStuffWorks, http://entertainment.howstuffworks.com/question7.htm (accessed March 12, 2007). The iPod, camera, and cell phone images on this slide can be accessed on these respective websites: http://www.apple.com/ipodclassic/gallery/index10.html, http://imaging.nikon.com/products/imaging/lineup/digitalcamera/coolpix/s200/img/pic_001_l.jpg, and http://www.store.motorola.com/mot/en/US/adirect/motorola?cmd=catProductDetail