OBD:SNDD

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PC Sound Data          Mac Sound Data

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Below is the dat file part of the SNDD file.

Offset	Type	Raw Hex	Value	Description
0x00	res_id	01 D7 08 00	2263	02263-comguy_dth2.aif.SNDD
0x04	lev_id	01 00 00 06	3	level 3
0x08	block[54]			wav header
0x3E	int16	37 00	55	duration in 1/60 seconds
0x40	int32	56 28 00 00	10326	size of the part in the raw file in bytes
0x44	offset	20 10 59 00	00 59 10 20	at this position starts the part in the raw file
0x48	char[24]	AD DE	dead	unused

So, how to create playable wav files? Look at the pic below. It shows the beginning of the comguy_dth2.wav sound.

Offset	Type	Raw Hex	Value	Description
Complete ADPCM wav format header (black outline)
0x00	char[4]	52 49 46 46	RIFF	identification that this file uses the IBM/Microsoft RIFF standard
0x04	int32	9C 28 00 00	10396	size of the wav file from the the green coloured field to the end in bytes (= size of the part in the raw file + 70 bytes)
0x08	char[4]	57 41 56 45	WAVE	identification that this file is a WAVE file
0x0C	char[4]	66 6D 74 20	fmt	identification that the wav format header follows
0x10	block[54]			wav header; note that it starts with a 32 and not with an 8
0x46	char[4]	64 61 74 61	data	identification that the wav data follows
0x4A	int32	56 28 00 00	10326	size of the following wav data in bytes (= size of the part in the raw file)

Just write "RIFF", add the size of the part in the raw file + 70 byte, write "WAVE", write "fmt ", add the wav header + change it's first byte from 8 to 32, write "data", add the size of the part in the raw file, add the raw file data and save it as a wav file.

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SNDD : Sound Data
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