import type { AudioClip } from "./AudioClip";
export interface AudioWaveformOptions {
    readonly peakCount?: number;
    readonly samplesPerPeak?: number;
    readonly channel?: number | "mix";
    readonly normalize?: boolean;
}
export interface AudioWaveformPeak {
    readonly min: number;
    readonly max: number;
    readonly rms: number;
}
export interface AudioWaveformData {
    readonly duration: number;
    readonly sampleRate: number;
    readonly channels: number;
    readonly peakCount: number;
    readonly samplesPerPeak: number;
    readonly normalized: boolean;
    readonly peaks: readonly AudioWaveformPeak[];
}
export interface AudioWaveformPathPoint {
    readonly x: number;
    readonly yMin: number;
    readonly yMax: number;
    readonly rmsHeight: number;
}
export interface AudioWaveformPathOptions {
    readonly width: number;
    readonly height: number;
    readonly padding?: number;
}
export interface AudioWaveformReviewStem {
    readonly id: string;
    readonly label?: string;
    readonly startTime: number;
    readonly waveform: AudioWaveformData;
}
export interface AudioWaveformReviewStemView {
    readonly id: string;
    readonly label: string;
    readonly startTime: number;
    readonly duration: number;
    readonly peakCount: number;
    readonly path: readonly AudioWaveformPathPoint[];
}
export interface AudioWaveformReviewData {
    readonly kind: "audio-waveform-review-data";
    readonly stemCount: number;
    readonly width: number;
    readonly height: number;
    readonly stems: readonly AudioWaveformReviewStemView[];
}
export type AudioWaveformInput = AudioBuffer | AudioClip;
export declare function createAudioWaveform(input: AudioWaveformInput, options?: AudioWaveformOptions): AudioWaveformData;
export declare function sampleAudioWaveformAtTime(waveform: AudioWaveformData, timeSeconds: number): AudioWaveformPeak;
export declare function createAudioWaveformPath(waveform: AudioWaveformData, options: AudioWaveformPathOptions): readonly AudioWaveformPathPoint[];
export declare function createAudioWaveformReviewData(stems: readonly AudioWaveformReviewStem[], options: AudioWaveformPathOptions): AudioWaveformReviewData;
export declare function audioWaveformPeakRange(waveform: AudioWaveformData): {
    readonly min: number;
    readonly max: number;
    readonly rmsMax: number;
};
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