Interface AudioPaletteEntry

interface AudioPaletteEntry {
    index: number;
    waveType: WaveType;
    harmonicMix?: {
        fundamental: number;
        harmonics: { frequency: number; amplitude: number }[];
    };
    timbreModulation?: {
        attack: number;
        decay: number;
        sustain: number;
        release: number;
    };
}