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  1. 1. Audio Information and Media By: Vince Marko A. Sano
  2. 2. What is an Audio? •sound, especially when recorded, transmitted, or reproduced
  3. 3. AUDIO MEDIA •media communication that uses audio or recordings to deliver and transfer information through the means of sound
  4. 4. Types of Audio Information
  5. 5. Types of Audio Information 1. Radio Broadcast - live or recorded audio sent through radio waves to reach a wide audience
  6. 6. Types of Audio Information 2. Music - vocal or instrumental sounds combined in such a way as to produce beauty of form, harmony, and expression of emotion
  7. 7. Types of Audio Information 3. Sound Recording - recording of an interview, meeting, or any sound from the environment
  8. 8. Types of Audio Information 4. Sound Clips / Effects - any sound artificially reproduced to create an effect in a dramatic presentation (ex. sound of a storm, or a door)
  9. 9. Types of Audio Information 5. Audio Podcast - a digital audio or video file or recording, usually part of a themed series, that can be downloaded from a website to a media player or a computer
  10. 10. Ways to Store Audio Information
  11. 11. Ways to Store Audio Information: 1. Tape - magnetic tape on which sound can be recorded
  12. 12. Ways to Store Audio Information: 2. CD (Compact Disc) - a plastic-fabricated, circular medium for recording, storing, and playing back audio, video, and computer data
  13. 13. Ways to Store Audio Information: 3. USB Drive - an external flash drive, small enough to carry on a key ring, that can be used with any computer that has a USB Port
  14. 14. Ways to Store Audio Information: 4. Memory Card (aka Flash Memory Card or Storage Card) - is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable, or remote computing devices.
  15. 15. Ways to Store Audio Information: 5. Computer Hard Drive - secondary storage devices for storing audio file
  16. 16. Ways to Store Audio Information: 6. Internet / Cloud - websites or file repositories for retrieving audio files, and more precisely the files are stored in some datacenter full of servers that is connected to the Internet
  17. 17. Audio File Formats
  18. 18. Audio File Formats 1. MP3 (MPEG Audio Layer 3) - a common format for consumer audio, as well as a standard of digital audio compression for the transfer and playback of music on most digital audio players.
  19. 19. Audio File Formats 2. M4A / AAC (MPEG4 Audio / Advanced Audio Coding) - an audio coding standard for lossy digital audio compression. Designed to be the successor of the MP3 format, AAC generally achieves better sound quality than MP3 at similar bit rate
  20. 20. Audio File Formats 3. WAV - is a Microsoft audio file format standard for storing an audio bitstream on PCs. It has become a standard file format for game sounds, among others
  21. 21. Audio File Formats 4. WMA (Windows Media Audio) - is an audio data compression technology developed by Microsoft and used with Windows Media Player
  22. 22. Units of Sound
  23. 23. Decibel • or simply dB • noise of sound measurement
  24. 24. Hertz • or simply Hz • unit of sound frequency
  25. 25. Phon • unit of subjective loudness
  26. 26. Characteristics and Purposes of Sound
  27. 27. Characteristics of a Sound: 1. Volume – intensity of a sound
  28. 28. Characteristics of a Sound: 2. Tone – the audible characteristic of a sound
  29. 29. Characteristics of a Sound: 3. Pitch - is how high or low a sound is
  30. 30. Characteristics of a Sound: 4. Loudness - refers to the magnitude of the sound heard
  31. 31. Purposes of a Sound: • Give instruction or information. • Provide feedback. • To personalize or customize
  32. 32. Elements of Sound Design
  33. 33. Elements of Sound Design: 1. Dialogue - speech, conversation, voice-over
  34. 34. Elements of Sound Design: 2. Sound Effects – any sound other than music or dialogue
  35. 35. Elements of Sound Design: 3. Music – vocal or instrumental sounds (or both) combined in such a way as to produce beauty of form, harmony, and expression of emotion
  36. 36. Principles of Sound Design
  37. 37. Principles of Sound Design: 1. Mixing – the combination, balance and control of multiple sound elements
  38. 38. Principles of Sound Design: 2. Pace – time control, editing, order of events (linear, non-linear or multi-linear)
  39. 39. Principles of Sound Design: 3. Stereo Imaging – Using left and right channel for depth. This refers to the aspect of sound recording and reproduction.
  40. 40. Principles of Sound Design: 4. Transition – how you get from one segment or element to another
  41. 41. Types of Transitions
  42. 42. Types of Transitions: 1. Segue – one element stops, the next begins (“cut” in film)
  43. 43. Types of Transitions: 2. Cross-fade – one element fades out, the next fades in, and they overlap on the way
  44. 44. Types of Transitions: 3. V-Fade – first element fades to inaudible before the second elements begins
  45. 45. Types of Transitions: 4. Waterfall – As first element fades out, the second element begins at full volume. Better for voice transitions, than for effects
  46. 46. Hearing vs. Listening
  47. 47. Hearing • the act of perceiving sound by the ear
  48. 48. Listening •requires concentration so that your brain processes meaning from words and sentences. Listening leads to learning.
  49. 49. So are you listening or just hearing?
  50. 50. END