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