export declare function getBaseLog(x: number, y: number): number; export declare function dbFromFloat(floatVal: number): number; export declare function findAudioProcBufferSize(numSamplesIn: number): number; export declare function dbTicks(min: number, max: number, tickSize: number): number[]; export declare function testSignalGenerator(hz: number, rotation?: number, sampleRate?: number): number[]; export declare function offsetSincGenerator(): number[];