Class 9:  Digital Audio and Podcasts
What is digital music? Music on the computer
Digital audio goes way back… 1989 Macintosh
Digital audio required space =
= 1 song = 27.2 MB
Digital audio required space <ul><li>Storage space (hard drives) were: </li></ul><ul><ul><li>Expensive </li></ul></ul><ul>...
= 1 song = 27.2 MB
= 1 GB Hard Drive ($899 in 1995) Would hold 35 songs
So, NOW why all of the…
Why the fuss now? <ul><li>Storage drives got cheap </li></ul><ul><li>Storage drives got small </li></ul><ul><li>Audio comp...
About MP3 players… <ul><li>Little hard drives </li></ul><ul><li>Come in different sizes, can  hold different numbers of so...
What are we talking about? <ul><li>Devices to play digital audio (like the iPod) </li></ul><ul><li>Playing and managing di...
Types of Digital Audio Software <ul><li>Music/Audio Management -  iTunes </li></ul><ul><ul><li>Download/purchase music </l...
Types of Digital Audio Software <ul><li>Audio Capture/Production -  Audacity </li></ul><ul><ul><li>Record audio from mike ...
Types of Digital Audio Software <ul><li>Music Creation - GarageBand </li></ul><ul><ul><li>Select instruments and “play” th...
How do I listen to my audio? <ul><li>Portable device (MP3 Player) </li></ul><ul><li>On the computer </li></ul><ul><li>Writ...
Uses: Play Music <ul><li>All players will: </li></ul><ul><ul><li>Play audio </li></ul></ul><ul><ul><li>Hook up to computer...
Getting music on the MP3 player <ul><li>Demonstration: iTunes </li></ul><ul><ul><li>Organize music into playlists </li></u...
Uses: Data <ul><li>Calendar </li></ul><ul><li>Contacts </li></ul><ul><li>Notes </li></ul><ul><li>Hard drive backup </li></...
Uses: Text <ul><li>Recipes </li></ul><ul><li>Books </li></ul><ul><li>News RSS Feeds </li></ul><ul><li>Dictionary </li></ul>
Uses: Language <ul><li>iLingo: text based language dictionary with audio pronunciation </li></ul><ul><li>Record and practi...
Uses: Audio <ul><li>It is really easy to capture and use audio. </li></ul>
Uses: Audio <ul><li>Record class notes </li></ul><ul><li>Conduct interviews </li></ul><ul><li>PodCasting </li></ul><ul><li...
PodCast <ul><li>“ Regular” audio “show” </li></ul><ul><li>One-time or recurring </li></ul><ul><li>Audio or video </li></ul...
What can you do with digital audio? <ul><li>Post to web site </li></ul><ul><li>Put into video applications </li></ul><ul><...
Creating Digital Audio <ul><li>Demonstration of what you will create… </li></ul><ul><li>Audacity demo and lab time </li></ul>
Break
Class Critic and Housekeeping <ul><li>Next 2 weeks, DABCC Video Room #101 (NO CENTRA) </li></ul><ul><li>Be thinking about ...
Using Audacity <ul><li>Record your own audio </li></ul><ul><li>Perform simple edits </li></ul><ul><li>Save in proper forma...
Lab time <ul><li>Create a ~2 minute audio file </li></ul><ul><li>Post to your portfolio </li></ul><ul><li>Blog about digit...
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Digital Audio Presentation (PowerPoint)

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  • Recipes, electronic books, spoken text
  • Show iTunes… the play lists, the music store, ripping a CD, burning a CD… show that the playlists match on the iPod.
  • Recipes, electronic books, spoken text
  • Recipes, electronic books, spoken text
  • Digital Audio Presentation (PowerPoint)

    1. 1. Class 9: Digital Audio and Podcasts
    2. 2. What is digital music? Music on the computer
    3. 3. Digital audio goes way back… 1989 Macintosh
    4. 4. Digital audio required space =
    5. 5. = 1 song = 27.2 MB
    6. 6. Digital audio required space <ul><li>Storage space (hard drives) were: </li></ul><ul><ul><li>Expensive </li></ul></ul><ul><ul><li>Big and clunky </li></ul></ul><ul><ul><li>Slow </li></ul></ul>Old: 1989 20 MB Hard drive $899 Old: 1995 1 GB Hard Drive $849
    7. 7. = 1 song = 27.2 MB
    8. 8. = 1 GB Hard Drive ($899 in 1995) Would hold 35 songs
    9. 9. So, NOW why all of the…
    10. 10. Why the fuss now? <ul><li>Storage drives got cheap </li></ul><ul><li>Storage drives got small </li></ul><ul><li>Audio compression got good </li></ul>
    11. 11. About MP3 players… <ul><li>Little hard drives </li></ul><ul><li>Come in different sizes, can hold different numbers of songs </li></ul><ul><li>Come with different capabilities </li></ul><ul><ul><li>Listen to audio </li></ul></ul><ul><ul><li>Record audio </li></ul></ul><ul><ul><li>Store data </li></ul></ul>
    12. 12. What are we talking about? <ul><li>Devices to play digital audio (like the iPod) </li></ul><ul><li>Playing and managing digital audio on the computer (without an iPod) </li></ul><ul><li>Creating digital audio on the computer (including music) </li></ul>
    13. 13. Types of Digital Audio Software <ul><li>Music/Audio Management - iTunes </li></ul><ul><ul><li>Download/purchase music </li></ul></ul><ul><ul><li>“ rip” CDs </li></ul></ul><ul><ul><li>Limited import/export options </li></ul></ul>
    14. 14. Types of Digital Audio Software <ul><li>Audio Capture/Production - Audacity </li></ul><ul><ul><li>Record audio from mike </li></ul></ul><ul><ul><li>Mix audio and apply special filters </li></ul></ul><ul><ul><li>Export to various formats </li></ul></ul>
    15. 15. Types of Digital Audio Software <ul><li>Music Creation - GarageBand </li></ul><ul><ul><li>Select instruments and “play” them </li></ul></ul><ul><ul><li>Mix bands together </li></ul></ul><ul><ul><li>Loop tracks </li></ul></ul>
    16. 16. How do I listen to my audio? <ul><li>Portable device (MP3 Player) </li></ul><ul><li>On the computer </li></ul><ul><li>Write CDs </li></ul>
    17. 17. Uses: Play Music <ul><li>All players will: </li></ul><ul><ul><li>Play audio </li></ul></ul><ul><ul><li>Hook up to computer to download </li></ul></ul><ul><li>Most players will: </li></ul><ul><ul><li>Display information </li></ul></ul><ul><li>Some players will: </li></ul><ul><ul><li>Record audio </li></ul></ul><ul><ul><li>Act as hard drive </li></ul></ul>
    18. 18. Getting music on the MP3 player <ul><li>Demonstration: iTunes </li></ul><ul><ul><li>Organize music into playlists </li></ul></ul><ul><ul><li>Rip music CDs </li></ul></ul><ul><ul><li>Write music CDs </li></ul></ul><ul><ul><li>Purchase music </li></ul></ul>
    19. 19. Uses: Data <ul><li>Calendar </li></ul><ul><li>Contacts </li></ul><ul><li>Notes </li></ul><ul><li>Hard drive backup </li></ul><ul><li>Presentations </li></ul><ul><li>Photos </li></ul>
    20. 20. Uses: Text <ul><li>Recipes </li></ul><ul><li>Books </li></ul><ul><li>News RSS Feeds </li></ul><ul><li>Dictionary </li></ul>
    21. 21. Uses: Language <ul><li>iLingo: text based language dictionary with audio pronunciation </li></ul><ul><li>Record and practice your own language dialogue </li></ul>
    22. 22. Uses: Audio <ul><li>It is really easy to capture and use audio. </li></ul>
    23. 23. Uses: Audio <ul><li>Record class notes </li></ul><ul><li>Conduct interviews </li></ul><ul><li>PodCasting </li></ul><ul><li>Car “stereo” </li></ul>
    24. 24. PodCast <ul><li>“ Regular” audio “show” </li></ul><ul><li>One-time or recurring </li></ul><ul><li>Audio or video </li></ul><ul><li>Becoming slang for “any audio file you can download” </li></ul><ul><li>Free registration with iTunes </li></ul>
    25. 25. What can you do with digital audio? <ul><li>Post to web site </li></ul><ul><li>Put into video applications </li></ul><ul><li>Place into PowerPoint </li></ul><ul><li>Share on other MP3 players </li></ul><ul><li>Burn to CD </li></ul>
    26. 26. Creating Digital Audio <ul><li>Demonstration of what you will create… </li></ul><ul><li>Audacity demo and lab time </li></ul>
    27. 27. Break
    28. 28. Class Critic and Housekeeping <ul><li>Next 2 weeks, DABCC Video Room #101 (NO CENTRA) </li></ul><ul><li>Be thinking about video you want on portfolio </li></ul><ul><li>Video cameras available for checkout from help desk </li></ul><ul><li>Web searching still a go? </li></ul>
    29. 29. Using Audacity <ul><li>Record your own audio </li></ul><ul><li>Perform simple edits </li></ul><ul><li>Save in proper format </li></ul>
    30. 30. Lab time <ul><li>Create a ~2 minute audio file </li></ul><ul><li>Post to your portfolio </li></ul><ul><li>Blog about digital audio and how it can be used in your career </li></ul>

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