import { Audio } from './Audio';

export class AudioAnalyser {
    /**
     * @param audio
     * @param [fftSize=2048]
     */
    constructor(audio: Audio<AudioNode>, fftSize?: number);

    analyser: AnalyserNode;
    data: Uint8Array;

    getFrequencyData(): Uint8Array;
    getAverageFrequency(): number;

    /**
     * @deprecated Use {@link AudioAnalyser#getFrequencyData .getFrequencyData()} instead.
     */
    getData(file: any): any;
}