Decoding a Morse code Easter Egg
One of the sports in the Wii Sports Resort game is Island Flyover, where you get to pilot an aeroplane round the island and its surrounding waters. There is a lighthouse, and when you fly near it, you hear a sound very like Morse code. My younger two children and I decided to see if this really was Morse code, or just something made to sound a bit like it. Our first job was to capture the audio while a player flew the plane near the lighthouse. This is what we got: This was going to be tricky for us to analyse, so, in Audacity, we applied a high-pass filter to try to cut out some of the engine noise,
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