export declare const RECORDER_EXPORT_MIME_TYPE = "application/octet-stream";
export declare const DEFAULT_EXPORT_SAMPLE_RATE = 16000;
export declare const FFT_SIZE = 2048;
export declare const FFT_MAX_DECIBELS = -10;
export declare const FFT_MIN_DECIBELS = -90;
export declare const FFT_SMOOTHING_TIME_CONSTANT = 0.85;