Step 4: Configure Audio Analysis

The waveform's detail level depends on the FFT (Fast Fourier Transform) settings on the target audio element. Let's adjust these for different visualization needs.

What you'll learn: How FFT properties on the audio element affect waveform granularity and smoothness.

Try it yourself: Modify the fft-size (must be a power of 2: 256, 512, 1024, 2048), fft-gain (try values from 1 to 10), and fft-decay (try 4, 8, 16) on the audio element to see how they affect the waveform visualization.