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Podcasting and audio editing


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  • 1. PODCASTING and Audio EditingBASICS
    Prepared by RDFerreria
    What is it?
    Like a newspaper subscription, for audio or video files
    New content is automatically downloaded and synched with your audio device (like your iPod)
    Content is democratic
    Anyone can create a podcast!
    Anyone can listen to your podcast!
  • 3. Some Podcasts
    Top ten podcasts on iTunes as of 11/22/10
    This American Life
    Freakonomics Radio
    NPR: Wait…Wait…Don’t Tell Me
    Stuff You Should Know
    Judge John Hodgman
    The Moth Podcast
    NPR: Fresh Air
    WNYC’s Radiolab
    NPR: Car Talk
    The Adam Carolla Show
  • 4. Education Podcasts
    Some top educational podcasts
    Coffee Break Spanish/French
    Grammar Girl Quick and Dirty Tips for Better Writing
    Learn Japanese/Spanish/French/Italian
    History of Philosophy
    LSAT Logic in Everyday Life
    Econ Talk
    Piano Lessons Online
  • 5. How is PODCASTING different than…
    Content is made available through your computer
    New content resides in your computer’s memory
    You can watch/listen whenever you like
    Internet Radio
    Because content is stored in your computer’s memory, you can listen/ view whenever you like
    You can “fast forward” content as you see fit
    You Tube
    Once you subscribe, you don’t have to search through a website to find content
    The content is automatically delivered to your computer
  • 6. What this presentation will do for you
    We are going to get familiar with Audacity
    Free software to record and edit audio files
    We will edit and optimize a sound file
    We will record a sample piece of audio
    We are going to upload our sound file to
    Pod-O-Matic is a free site that will store your sound file
    Pod-O-Matic provides an RSS feed that your students can use to subscribe to your podcast
  • 7. Create a Podcast usingAUDACITY
  • 8. Audacity
    This is Audio Editing software
    Audacity is used to create multi-tracked sound files
    Each audio “take” is represented by a graphic “waveform”
    Audacity can also be used to mix songs together as a Mash-Up
    Audacity can be used to make custom ringtones for most phones
    Audacity can be used to make a custom radio show
    If you have additional equipment, you can even use Audacity to record and mix a song
  • 9. Audacity
    We are going to use Audacity to do the following:
    Select and fade intro music for a podcast
    Edit out unwanted pieces from an audio file.
    Add background music
    Record your voice
    Then, we are going to put together several audio clips into a single audio file
  • 10. Audacity screen
  • 11. Audacity Toolbar
  • 12. Audacity Toolbar
    Skip to Beginning
    Skip to End
  • 13. Audacity Toolbar
    PLAY (Space)
    STOP (Space)
  • 14. Audacity Toolbar
  • 15. Audacity TOOLS
  • 16. Audacity TOOLS
  • 17. Audacity TOOLS
  • 18. Audacity TOOLS
  • 19. Audacity TOOLS
  • 20. Audacity Importing Tracks
    To import a new audio clip to work on, simply drag and drop from your file directory (windows explorer or mac finder)to the audacity workspace
  • 21. Select and trim a track
    Import “yellow.mp3”
    You can pick- Coldplay (Yellow), Yellow (Oh yeah) or SAWA (Yellow)
    Preview your song to find your ideal introduction music
    You may want to zoom-in
    Click and Drag to highlight your selection
    When a piece of audio is highlighted, Audacity will play only the highlighted audio
    Push the Space-Bar (or press the play button) to play your selection
    Delete portions the track that you don’t need
    click the Trim Outside Selection tool . Everything but your selected area will disappear. 
    Don’t worry, you are not deleting your original sound file!
    Leave some audio at the end of your file for a “fade out”
  • 22. Fade-In and Fade-Out
    Use the Envelope Tool
    Click the top edge of your audio wave where you want the fade to begin
    Watch the shape of the wave! You don’t want to “pinch”
    Click and Drag the top edge of the wave where you want your fade to end.
    As you drag the edge inward, you will see your track “fade-out”
    Use a similar procedure to make a “Fade-In” (if you like)
  • 23. Fade-In and Fade-Out
  • 24. Editing spoken word
    “Mute” your intro music
    Import “Ode Urn.wav”
    Here is the text as it should be read:
    Fair youth, beneath the trees, thou canst not leaveThy song, nor ever can those trees be bare; Bold Lover, never, never canst thou kiss, Though winning near the goal;�yet, do not grieve; She cannot fade, though thou hast not thy bliss
    Use Audacity to delete unwanted parts to create a “good read” of this stanza
  • 25. Editing spoken word
    Fair youth, beneath the trees, thou canst not leaveThy song, nor ever can those trees be bare; Bold Lover, never, never canst thou kiss, Though winning near the goal;�yet, do not grieve; She cannot fade, though thou hast not thy bliss
    Using the “Selection Tool” highlight unwanted portions of the audio
    Zoom In if you are unsure about what to select
    Push the delete key
    Don’t forget, you can “undo” if you make a mistake
    When you are done, select the entire piece, and copy and paste another stanza at the end of the reading
  • 26. Mixing background music
    After you have a good reading of “Ode to a Grecian Urn” you can add background music
    Import either “Forest- Satori” or “A Forest- The Cure”
    Use the faders (volume control) located on the left of your wave form to adjust your background music choice to the appropriate volume level.
  • 27. Add your own VOICE
    Most computers will have the built-in microphone enabled to record audio.
    All you need to do is press ‘Record”
    Mute “Ode to a Grecian Urn” and you “Forest” music
    Press the Record button
    Wait 5 seconds
    Start talking!
    If you make a mistake, don’t stop recording. Just start over again at an appropriate place.
    Edit your file when you are finished!
  • 28. Add your own VOICE
  • 29. Need something to podcast?
    `Twasbrillig, and the slithytoves;  Did gyre and gimble in the wabe:All mimsy were the borogoves,  And the momerathsoutgrabe
    "Beware the Jabberwock, my son!  The jaws that bite, the claws that catch!Beware the Jubjub bird, and shun  The frumiousBandersnatch!"
    He took his vorpal sword in hand:  Long time the manxome foe he sought --So rested he by the Tumtum tree,  And stood awhile in thought.
    And, as in uffish thought he stood,  The Jabberwock, with eyes of flame,Came whiffling through the tulgey wood,  And burbled as it came!
    One, two! One, two! And through and through  The vorpal blade went snicker-snack!He left it dead, and with its head  He went galumphing back.
    "And, has thou slain the Jabberwock?  Come to my arms, my beamish boy!O frabjous day! Callooh! Callay!’  He chortled in his joy.
  • 30. Put it all together
    “Un-Mute” all tracks
    Use the “Time Shift” tool
    Click and drag your intro music to the beginning of your podcast
    Click and drag “Ode to a Grecian Urn” and its background music
    Line these two up just after the intro music
    Again use the Time Shift tool to drag the voice recording to line up after the “Ode”
    Listen to you transitions, make adjustments where necessary
  • 31. Put it all together
  • 32. Put it all together
    Export your file
    File -> Export as mp3
    Take note of where your file is located
    Important note:
    If the lame_enc.dll is not installed, you must download it!
    Installation instructions at
    OR just google “lame audacity download”
  • 33. Publishing your Podcast using Pod-O-Matic
  • 34. Pod-O-Matic
    Navigate to
    This website will be where your podcast audio files will be stored when you finished editing
    Pod-O-Matic will also provide your listeners with a feed
    The RSS feed is used to subscribe to your podcasts
    The RSS feed tells iTunes (for example) what to subscribe to
    There is a “sandbox” podcast for you to use:
    Take a look!
    Note the links for subscribing
  • 35. Pod-O-Matic
  • 36. Pod-O-Matic
  • 37. Pod-O-Matic
  • 38. Uploading a podcast
    From the Pod-O-Matic homepage, hover on “My Podcast” and click “Post and Episode”
  • 39. Upload a Podcast
    Enter a title and description (optional)
    Scroll down and Click “Save & Continue”
  • 40. Upload a Podcast
    Click “Upload a file”
    Select your mp3 from your computer
  • 41. Upload a Podcast
    Note that you can record your podcast from here, if you like …
  • 42. Upload a Podcast
    Once your media is uploaded, you can upload an image file for this episode
    Your listeners can identify your podcast visually
    You can also select tags for you podcast
    Listeners can find your podcast by searching tags
  • 43. Promoting your podcast
    Direct your listeners to you Pod-O-Matic page
    (i.e. )
    You can also provide the RSS feed to your listeners
    (i.e. )
    Perhaps the easiest way to subscribe is to click the “Subscribe with iTunes” on your Pod-O-Matic page