A receiving system includes: FIFO memory 13 storing audio data AD contained in a transmission signal T; an extraction unit 14 configured to extract a clock parameter contained in the transmission signal T; a parameter change unit 152 configured to change the clock parameter in accordance with a result of a comparison between a data storage rate SR of the FIFO memory 13 and a predetermined value; a frequency setting unit 153 configured to set a read frequency fr using the changed clock parameter; and a data read unit 16 configured to read the audio data AD from the FIFO memory 13 in synchronization with a reception end audio clock signal AC of the read frequency fr.