JEITA  CP-3451 - 99 - The means of recording the data of each element is given in the section for that element.   Figure 52 shows the most common Exif audio file data structure. Exif audio file data is recorded in accord with the structure shown in Figure 52. Each sub-chunk is recorded in accord with its stipulations. Optional chunks may be omitted.   Address Offset Code Meaning Meaning (Hex) (Hex) +00 52 "LIST" +01 49 ckSize(4 Bytes) +02 46 "INFO" +03 46 "RIFF" (ckID) INAM-ck IGNR-ck +04 ckSize (4 Bytes) ICRD-ck 57 ICMT-ck 41 IART-ck 56 ICOP-ck 08 +09 +0A +0B 45 "WAVE" (formType) +0C fmt-ck "LIST" : fact-ck ckSize(4 Bytes) "exif" : INFO List Chunk ever-ck erel-ck : exif List Chunk etim-ck : data-ck ecor-ck emdl-ck emnt-ck eucm-ck Figure 52 Data Structure of a Typical Exif Audio File