export interface IFindSilenceThresholdOptions {
    chunkDuration: number;
    rmsSegmentCount: number;
}
export interface IRmsSegment {
    fromValue: number;
    toValue: number;
    foundCount: number;
}
export interface INoiseFloorData {
    chunks: number[];
    maxRms: number;
    rmsSegments: IRmsSegment[];
    mostFrequentSegmentI: number;
    noiseFloorRms: number;
}
export declare function findNoiseFloor(samples: Float32Array, sampleRate: number, options?: IFindSilenceThresholdOptions): INoiseFloorData;