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Understanding Sound: Creation, Types, and Making Sound with the Wunderboard

Explore the fascinating world of sound, which is essentially the vibration of molecules. Learn about key concepts like amplitude (loudness) and frequency (pitch), and discover various sound types, including pure sine waves and square waves. This guide will show you how sound is created through rapidly moving objects, speakers, and more. We'll also dive into making sound with the Wunderboard and using simple examples like voice and music generation. Uncover the basics of sound, alongside useful tips for producing enjoyable audio experiences.

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Understanding Sound: Creation, Types, and Making Sound with the Wunderboard

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Presentation Transcript

  1. Special Topic: Sound

  2. Overview • What is sound? • How is it made? • How can I make sound with the Wunderboard?

  3. What is Sound? • Sound is vibration of molecules • Sound has • Amplitude (Loudness) • Frequency (Pitch)

  4. ‘Types’ of sound • Pure Sine Waves • Square Waves

  5. More ‘Types’ of Sounds • Voice

  6. How is sound made? • Quickly moving objects • Speakers • http://www.youtube.com/watch?v=F4frsl7gW0A • Flyback Transformers • http://www.youtube.com/watch?v=w8d0GorQmrY • Fans

  7. Driving Headphones • Square Waves • Main frequency is at center • Sounds pretty ‘8 bit’ • PWM • Much smoother output • Sounds pretty good.

  8. Simple Sound Example • Uses the headphone jack • UsesTimer1 • Simple square wave sound

  9. Things to remember • Hardware can take care of some simple tasks • Sound is easy to make, hardto make sound nice

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