+int PyramiddemodFSK(uint8_t *dest, size_t *size);
+int VikingDemod_AM(uint8_t *dest, size_t *size);
+int PrescoDemod(uint8_t *dest, size_t *size);
+int NedapDemod(uint8_t *dest, size_t *size);
+int JablotronDemod(uint8_t *dest, size_t *size);
+int Visa2kDemod_AM(uint8_t *dest, size_t *size);
+int NoralsyDemod_AM(uint8_t *dest, size_t *size);