151
WAVE File Format
Wave Data chunk
Recorded raw waveform data are stored here.
Table 11 Wave Data chunk
Type
Variable name
Size
(Byte)
Description
Value
char[4]
Chunk ID
4
Indicates chunk type
"data"
uint32
Chunk Size
4
Total size of following data
(not including this item)
See Fig. 3
WAVEData
Data
Depends on
recording
time
Store the recorded raw
waveform data
WAVEData follows the data conventions for regular WAVE fi les (16 bit/24
bit, little endian, 16 bit range full-scale value 25400, 24 bit range full-scale
value 6502400).
Fig. 3
Chunk Size
Chunk Size = nSamplesPerSec × nChannels ×
8
wBitsPerSample ×[Recording time (sec)]
Summary of Contents for DA-21
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