In next millisecond these peaks and valleys move a little bit and go to different frequencies. If we take a short snapshot of the sound of electric guitar and look at it’s spectral characteristic, we will see that it contains peaks at some frequencies, and valleys at others. Now, lets take another example, this time in frequency domain. In the image above we have an example of fundamental frequency sinewave and it’s 2nd and 4th harmonics summed to create the final sound.
Each harmonic is an integer multiple of the fundamental frequency while partial isn’t. Those can be partials or harmonics of the original fundamental frequency. Realtime convolution and modulation (RCM) synthesisĮvery sound in the nature, no matter how complex, can be expressed as a sum of sinewave functions of various frequencies.
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