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Digital Music, MP3 Players, iTunes & All the Stuff That’s Fun to Know Barbara Chamberlin, Ph.D. What is digital music? Music on the computer Digital audio goes way back… 1989 Macintosh = ? Digital audio required space = = 1 song = 27.2 MB Storage math… Kilobytes (KB) 1000 = 1 MB

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what is digital music
What is digital music?

Music on the computer

slide4

=

?

slide6

=

1 song = 27.2 MB

storage math
Storage math…

Kilobytes (KB)

  • 1000 = 1 MB
  • Used to measure text, email, small files
storage math8
Storage math…

Megabytes (MB)

  • 1000 KB
  • 1000 MB = 1 Gigabyte
  • Used to measure Office documents
  • Floppy disk =1.44 MB
storage math9
Storage math…

Gigabytes (GB)

  • 1 GB=1000 MB
  • 1 GB=694 floppies
  • Used to measure BIG files, like video
  • How we measure hard drives now
storage math10
Storage math…
  • 1000 KB = 1 MB (email in KB)
  • 1000 MB = 1 GB (docs in MB)
  • 1000 GB = more space than your really need right now
slide11

=

1 song = 27.2 MB

digital audio required space12
Digital audio required space
  • Storage space (hard drives) were:
    • Expensive
    • Big and clunky
    • Slow

Old: 1989

20 MB Hard drive

$899

Old: 1995

1 GB Hard Drive

$849

slide13

=

1 song = 27.2 MB

slide14

=

1 GB Hard Drive

($899 in 1995)

Would hold

35 songs

why the fuss now
Why the fuss now?
  • Storage drives got cheap
  • Storage drives got small
  • Audio compression got good

1 song = 27.2 MB

1 song = 2.4 MB or less

what is an mp3
What is an MP3?
  • Compressed audio file

What is an MP3 player? (iPod, Rio)

  • Hard drive that plays compressed audio files
about mp3 players
About MP3 players…
  • Little hard drives
  • Come in different sizes, can hold different numbers of songs
  • Come with different capabilities
    • Listen to audio
    • Record audio
    • Store data
getting music on the mp3 player
Getting music on the MP3 player
  • Demonstration: iTunes
    • Organize music into playlists
    • Rip music CDs
    • Write music CDs
    • Purchase music
uses play music
Uses: Play Music
  • All players will:
    • Play audio
    • Hook up to computer to download
  • Most players will:
    • Display information
  • Some players will:
    • Record audio
    • Act as hard drive
uses data
Uses: Data
  • Calendar
  • Contacts
  • Notes
  • Hard drive backup
  • Presentations
  • Photos
uses text
Uses: Text
  • Recipes
  • Books
  • News RSS Feeds
  • Dictionary
uses language
Uses: Language
  • iLingo: text based language dictionary with audio pronunciation
  • Record and practice your own language dialogue
uses audio
Uses: Audio
  • It is really easy to capture and use audio.
uses audio26
Uses: Audio
  • Record class notes
  • Conduct interviews
  • PodCasting
  • Car “stereo”
what can you do with digital audio
What can you do with digital audio?
  • Post to web site
  • Put into video applications
  • Place into PowerPoint
  • Share on other MP3 players
  • Burn to CD
uses other
Uses: Other
  • MapQuest driving directions
  • Probe tools
  • Flashlight
  • “Reads” text files to you
  • RSS feeds
  • Karaoke
in conclusion
In conclusion…
  • Door prizes/evaluation
  • Next Popcorn Technology Series
    • Friday May 20
    • 3:30 pm
    • Web Sites that will Wow You
  • Talk with the Experts