Sound

How to save Fourier series approximated signal to a WAV file

How to save Fourier series approximated signal to a WAV file
  1. Can Fourier theorem be used for Analysing sound waves?
  2. What is Fourier analysis for sound?

Can Fourier theorem be used for Analysing sound waves?

Fourier analysis and synthesis can be done for any type of wave, not just sound waves. Generally you don't get a nice bar graph like the one above but you get something similar; a graph that tells you how much of each component sine wave is present for each frequency in the sound sample.

What is Fourier analysis for sound?

Fourier analysis is a mathematical procedure for taking any complex waveform and determining the simpler waveforms that make up that complex pattern. The simpler waves used are sine waves. When we do a Fourier analysis, we break down a complex sound into its fundamental frequency and its harmonics.

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