import type { Database } from "./schema.js";
interface VoiceBaseline {
    avgArousal: number | null;
    avgDominance: number | null;
    avgValence: number | null;
    avgSpeechRate: number | null;
    avgMeanPitchHz: number | null;
    avgPitchStdHz: number | null;
    avgJitter: number | null;
    avgShimmer: number | null;
    avgHnrDb: number | null;
    sampleCount: number;
}
export declare function saveVoiceSignature(db: Database, sig: {
    episodeId: string;
    emotion?: string;
    arousal?: number;
    dominance?: number;
    valence?: number;
    speechRate?: number;
    meanPitchHz?: number;
    pitchStdHz?: number;
    jitter?: number;
    shimmer?: number;
    hnrDb?: number;
    audioEvents?: Array<{
        label: string;
        confidence: number;
    }>;
    durationSec?: number;
}): void;
export declare function getVoiceBaseline(db: Database, dayRange?: number): VoiceBaseline | null;
export {};
//# sourceMappingURL=voice-sig.d.ts.map