export type AudioVolumeClassification = "silent" | "low" | "good";
export interface AudioClipVolumeAnalysis {
    classification: AudioVolumeClassification;
    analyzedMs: number;
    frameCount: number;
    averageRms: number;
    averageAudibleRms: number;
    peakRms: number;
    averageDb: number;
    peakDb: number;
    silentRatio: number;
    lowVolumeRatio: number;
}
export interface AudioLevelStats {
    audibleFrameCount: number;
    audibleRmsTotal: number;
    frameCount: number;
    lowVolumeFrameCount: number;
    peakRms: number;
    rmsTotal: number;
}
interface AudioLevelAnalyzer {
    stop(): Promise<AudioClipVolumeAnalysis>;
}
export declare function createAudioLevelAnalyzer(stream: MediaStream): AudioLevelAnalyzer | null;
export declare function summarizeAudioLevelStats(stats: AudioLevelStats, analyzedMs: number): AudioClipVolumeAnalysis;
export {};
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