export declare function synthesizeTonePcm16(options: {
    frequencyHz: number;
    durationMs: number;
    sampleRateHz?: number;
    amplitude?: number;
    phaseRad?: number;
}): Uint8Array;
export declare function mixPcm16(chunks: Uint8Array[], weights: number[]): Uint8Array;
export declare const PRIMARY_SPEAKER_TONE_HZ = 280;
export declare const BYSTANDER_SPEAKER_TONE_HZ = 2100;
export declare const ASSISTANT_ECHO_TONE_HZ = 520;
//# sourceMappingURL=primary-speaker-fixtures.d.ts.map