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Enhancing Multimedia Projects with MIDI and WAV Sound Files

Learn about advantages and disadvantages of MIDI and WAV files for sound in games and art. Explore creating sound in Java and making animated GIFs to enhance multimedia content.

paul-summers
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Enhancing Multimedia Projects with MIDI and WAV Sound Files

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  1. Game Art & Sound

  2. Sound • Midi files • Musical Instrument Digital Interface • Advantages • small • fast • Disadvantages • synthesized • rendered • Wav files • Waveform Audio • Advantage • sampled • direct • Disadvantages • big • slow

  3. Sound • Sound Effects • wav files at http://www.thepocket.com/sounds.htm • midi files at http://www.mididb.com/ • multimedia lab at 016 Old Chem for more advanced editing and samplinghttp://www.oit.duke.edu/ats/mps/hardware.html

  4. Sound in Java • Create a URL (examples taken from SplashScreens of Beat The Bugs!)private static final URL START_GAME_URL= SplashScreens.class.getResource("audio/destruction.wav"); • Create AudioClipstartSound=JApplet.newAudioClip(START_GAME_URL); • Play the Audio Clipif(GameLoop.audible) startSound.play();

  5. Sound in Java • Create only as many AudioClips as you'd like to play at once. Replay rather than recreate AudioClips. • Use the loop methods of AudioClip to repeat a clip continously, and stop to terminate the playing clip. • Be sure to check GameLoop.audible • Use the getResource method in order to generate the URL. This will make sound (images) work on your applet by loading the files from the jar.

  6. Game Art • Use Paint or a similar application to draw your own images. • Extend Sprite and make a custom shape for fast sprites (ImageSprites take longer). • Transparency makes ImageSprites really come alive. • Crop out portions of the image to be transparent by • painting a uniform color on what is to become transparent • save the image as a gif • use TransWeb http://www.mit.edu/transweb.html

  7. Animated Gifs • Make your own animated gifs to go on buttonshttp://www.gifworks.com/ • Make your own animated texthttp://www.cooltext.com/

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