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Mastering openFrameworks: Creative Coding Demystified by Denis Perevalov

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Chapter 6. Working with Sounds

Sounds are a necessary part of many interactive and entertainment projects. They increase the level of immersion and add feedback to the interactions. Also, sounds play a central role in sound art projects. In this chapter you will learn how to play sound samples, synthesize new sounds, and get sounds from the microphone. Also, you will learn how to get information from sound using its spectrum and use it for controlling visualization parameters:

  • Playing sound samples
  • Generating sounds
  • Using a microphone
  • Getting spectral data from sound

Sound basics

From a physical point of view, sound is a wave of air density changing, which propagates in the space from the sound source to our ears. In computers and other digital devices, ...

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