Audio Presntation Draft

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Audio Presntation Draft

  1. 1. Social Media Exchange www.smex.org Audio Training Training of Trainers Project 2009
  2. 2. “ Audio” or “Sound”!!
  3. 3. Sound is a natural voice made by human, animal, and elements of nature.. Audio is the production, recording, manipulation and reproduction of sound.
  4. 4. Back to physics a little for clarify Sound waves exist as variations of pressure in a medium such as air. They are created by the vibration of an object, which causes the air surrounding it to vibrate. The vibrating air then causes the human eardrum to vibrate, which the brain interprets as sound.
  5. 5. Sound Waves: Sound waves travel through air in much the same way as water waves travel through water. In fact, since water waves are easy to see and understand, they are often used as an analogy to illustrate how sound waves behave. Constant tone play 20 Hz < ear of human < 20 kHz
  6. 6. The Simple sound system must contain: <ul><li>Sound recorder (digital or analogue) </li></ul><ul><li>Microphone </li></ul><ul><li>Speaker or phone </li></ul><ul><li>Cables </li></ul><ul><li>Memory Cards or Cassettes </li></ul><ul><li>Editing system or software </li></ul><ul><li>Source of energy </li></ul>
  7. 7. Recorders .. Quality or helpfully <ul><li>- Digital recorders are helpfully and easy to use </li></ul><ul><li>Analogue recorders get a very good </li></ul><ul><li>quality for professional use </li></ul>
  8. 8. Recording Tips (always remember) <ul><li>Use a Quality Microphone </li></ul><ul><li>Monitor the Sound </li></ul><ul><li>Limit Background Noises </li></ul><ul><li>Turn Off the Music </li></ul><ul><li>Record Background Sound </li></ul><ul><li>Watch Out For Wind </li></ul><ul><li>Add It Later </li></ul><ul><li>Focused on Voice Expression </li></ul>
  9. 9. Audio File Formats (recommend) “ wav”: Very High quality.. Large Size.. Compatible with all soft and devices “ mp3: High quality.. Compressed Size.. Compatible with all soft and devices “ wma”: High quality.. Compressed Size.. Compatible with microsoft software “ RM or RA”: High quality.. Small Size.. Compatible with real player “ amr”: Low quality.. Very small size.. Compatible with mobile phone
  10. 10. Digital Editing.. (audacity) - File Specification (sample rate/ resolution/ channel) - Recording - Tools - Equalizer - Effects - Export
  11. 11. UPLOAD.. Sharing.. Podcasting Watch The Video Podcast in Plain English http://www.mypodcast.com http://www.youtube.com http://www.slideshare.net
  12. 12. Audio For Social Change <ul><li>Audio Pros </li></ul><ul><li>Audio cons </li></ul><ul><li>Live Examples </li></ul><ul><li>Links </li></ul>
  13. 13. Project Exercise <ul><li>Creating an Idea </li></ul><ul><li>Recording </li></ul><ul><li>Editing </li></ul><ul><li>Uploading / Podcasting </li></ul><ul><li>Sharing </li></ul>
  14. 14. Do Not ForGet This LinKs <ul><li>http://audacity.sourceforge.net </li></ul><ul><li>http://www.nchsoftware.com </li></ul><ul><li>http://www.koyotesoft.com </li></ul><ul><li>http://www.podcast.com </li></ul><ul><li>http://wordpress.org/extend/plugins/podpress </li></ul><ul><li>http://www.easypodcast.com </li></ul><ul><li>http://www.mypodcast.com </li></ul><ul><li>http://www.apple.com/downloads </li></ul>

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