import type { AudioAnalysis, NoiseAnalysis, NoiseClass } from "../types/audio.js";
import { type BandProfile } from "./measure.js";
import { type BandVerdict, type NoiseModel } from "./noise-model.js";
/** Highest frequency of contiguous stationary low-frequency noise, Hz. */
export declare function rumbleEdgeHz(bands: BandVerdict[]): number | null;
/**
 * How much audible stationary noise the recording carries, 0–1.
 * Driven by the loudest band that reads as a standing noise floor.
 */
export declare function stationaryNoiseScoreOf(model: NoiseModel): number | null;
/**
 * How much the noise itself moves, 0–1.
 * Bands that read as noise but still drift need tracking rather than a fixed
 * profile; a perfectly still floor does not.
 */
export declare function changingNoiseScoreOf(model: NoiseModel): number | null;
/**
 * Measure what the recording's noise actually is.
 *
 * Every value comes from a measurement of this file. Uncertain measurements stay
 * null — a failed measurement must never be read as "no noise".
 */
export declare function analyzeNoiseCharacteristics(inputPath: string, analysis: AudioAnalysis, options?: {
    bandProfile?: BandProfile | null;
    /** Segment the user pointed at with `--noise-profile start:end`. */
    noisePrintRange?: {
        startSeconds: number;
        endSeconds: number;
    };
}): Promise<NoiseAnalysis>;
export declare function classifyNoise(noise: NoiseAnalysis): NoiseClass[];
/** Exported for unit tests. */
export declare function scoreMeets(score: number | null, threshold: number): boolean;