Sound and Music

Sound and Music

1. Hardware, software and techniques use for sound

   • MP3 players
     • Play music in MP3 format
     • Small and portable
     • Now on most mobile phone

2. Sound cards

   • Circuit boards containing chips
   • Allow high quality sound to be produced

3. Microphones

   • Input devices used to enter voice

4. Speakers and Headphones

   • Output devices
   • Output the sound after processing by the computer

5. MIDI

   • Musical Instrument Digital Interface
   • It can be edited and stored
   • Keyboards use MIDI

6. Sound Conversion

   • Sound is an analogue signal
   • Nearly all computers use digital data
   • Analogue sound needs to be converted
   • Analogue - to - digital converter is used

7. Sequencers

   • Hardware or software is used to manage music
   • Music workstations also provide sequencers

8. Notators

   • Software that allows you to compose your own music

9. Sound wave Editors

   • Allows sound waves to be altered
   • You can alter, cut, paste and add in effects such as echo

10. File Formats

    • WAV
      • Wave
        • Highest quality
    • MP3
      • MPEG layer 3
        • Most popular
    • WMA
      • Windows media audio
        • High quality sound

11. Downloading Music

    • Ability to download single tracks, not entire albums
    • Easily loaded onto portable devices

12. Problems and copyright

    • People may not download from legitimate sources
    • All music is protected by the Copyright, Design and Patents act 1988