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Tim McMullan Tom Rozanski. Awesome-WAV. Spore. Creature data is hidden in the alpha channel http://gadgets.boingboing.net/2008/06/16/how-is-spore-hiding.html. Awesome-WAV. Encoding. Awesome-WAV. Decoding. Why PCM WAV?. Simple file structure Based on RIFF file format
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Tim McMullan Tom Rozanski Awesome-WAV
Spore • Creature data is hidden in the alpha channel http://gadgets.boingboing.net/2008/06/16/how-is-spore-hiding.html
Awesome-WAV • Encoding
Awesome-WAV • Decoding
Why PCM WAV? • Simple file structure • Based on RIFF file format • ‘Lowest common denominator’ • Easily transferred • Audio CDs – Just strip headers and output PCM data http://en.wikipedia.org/wiki/WAV
Future developments • Buffering • WAV files are large • Additional audio formats • Data compression and encryption • Threading?