BFWSD - Nintendo File Formats

NW > Sound > Wave Sound (FWSD)

Block id	Description
`0x6800`	Info block

Info Block

Offset	Size	Description
0x0	4	Identifier ("INFO")
0x4	4	Block size
0x8	8	Reference to wave id table (0x0100)
0x10	8	Reference to wave sound data reference table (0x0101)

Wave Sound Data Reference Table

Offset	Size	Description
0x0	4	Number of entries
0x4		References to wave sound data (0x4900)

Wave Sound Data

Offset	Size	Description
0x0	8	Reference to wave sound info (0x4901)
0x8	8	Reference to [track info reference table] (0x0101)
0x10	8	Reference to note info reference table (0x0101)

Wave Sound Info

Offset	Size	Description
0x0	4	Flags. This field specifies which of the following fields is present.

Every optional field takes up exactly 4 bytes (if present).

Flag	Description
0x1	0x0000XXYY: XX = Surround pan, YY = Pan
0x2	Pitch (float)
0x4	0x00XXYYZZ: XX = Biquad value, YY = Biquad type, ZZ = Low pass filter frequency
0x100	Send value (4x1 byte) offset
0x200	Offset to reference to adshr curve (0x0000)

Track Info Reference Table

Offset	Size	Description
0x0	4	Number of entries
0x4		References to track info (0x4903)

Track Info

Offset	Size	Description
0x0	8	Reference to note event reference table (0x0000)

Note Event Reference Table

Offset	Size	Description
0x0	4	Number of entries
0x4		References to note event (0x4904)

Note Event

Offset	Size	Description
0x0	4	Position (Float)
0x4	4	Length (Float)
0x8	4	Note info index

Note Info Reference Table

Offset	Size	Description
0x0	4	Number of entries
0x4		References to note info (0x4902)

Note Info

Offset	Size	Description
0x0	4	Index into wave id table
0x4	4	Flags. This field specifies which of the following fields is present.

Every optional field takes up exactly 4 bytes (if present).

Flag	Description
0x1	Original key
0x2	Volume
0x4	0x0000XXYY: XX = Surround pan, YY = Pan
0x8	Pitch (float)
0x200	Offset to reference to adshr curve (0x0000)