BCT (File Format) - Revision history

SY24: added to Category

2026-02-11T13:01:21Z

added to Category

← Older revision		Revision as of 13:01, 11 February 2026
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			[[Category:File formats]]

	'''BCT''' ('''B'''inary '''C'''ontroller Sound '''T'''able) files contain information about Wii Remote Speaker Sounds. They are linked to [[CSW (File Format)\|CSW files]]. ''Super Mario Galaxy'' and ''Super Mario Galaxy 2'' each contain only one BCT file, located in <code>AudioRes/SpkRes/SpkRes.arc/bin/spktable.bct</code>.		'''BCT''' ('''B'''inary '''C'''ontroller Sound '''T'''able) files contain information about Wii Remote Speaker Sounds. They are linked to [[CSW (File Format)\|CSW files]]. ''Super Mario Galaxy'' and ''Super Mario Galaxy 2'' each contain only one BCT file, located in <code>AudioRes/SpkRes/SpkRes.arc/bin/spktable.bct</code>.

SY24: SMG SMG2 lable table

2026-02-07T19:57:33Z

SMG SMG2 lable table

Show changes

SY24: added links

2026-02-07T19:08:48Z

added links

← Older revision		Revision as of 19:08, 7 February 2026
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	\| 0x4		\| 0x4
	\| UInt32 (0x4)		\| UInt32 (0x4)
	\| Offset to parameter table		\| Offset to [[BCT (File Format)#Parameter table\|parameter table]]
	\|-		\|-
	\| 0x8		\| 0x8
	\| UInt32 (0x4)		\| UInt32 (0x4)
	\| Offset to name table		\| Offset to [[BCT (File Format)#Name table\|name table]]
	\|-		\|-
	\| 0xC		\| 0xC
Line 66:		Line 66:
	\| 0x0 + N * 4		\| 0x0 + N * 4
	\| UInt32 (0x4)		\| UInt32 (0x4)
	\| Offset to null-terminated Speaker Sound name		\| Offset to null-terminated [[BCT (File Format)#List of Speaker Sounds\|Speaker Sound name]]
	\|}		\|}

SY24: created page

2026-02-07T18:53:46Z

created page

New page

'''BCT''' ('''B'''inary '''C'''ontroller Sound '''T'''able) files contain information about Wii Remote Speaker Sounds. They are linked to [[CSW (File Format)|CSW files]]. ''Super Mario Galaxy'' and ''Super Mario Galaxy 2'' each contain only one BCT file, located in <code>AudioRes/SpkRes/SpkRes.arc/bin/spktable.bct</code>.

== File specifications ==
=== Header ===
size: 0x10
{| class="wikitable"
|-
! Offset
! Type
! Description
|-
| 0x0
| UInt32 (0x4)
| Amount of sounds
|-
| 0x4
| UInt32 (0x4)
| Offset to parameter table
|-
| 0x8
| UInt32 (0x4)
| Offset to name table
|-
| 0xC
| UInt32 (0x4)
| Unknown. Gets written to at runtime by <code>SpkTable::setResource</code>
|}

=== Parameter table ===
size: (N + 1) * 0x8
{| class="wikitable"
|-
! Offset
! Type
! Description
|-
| 0x0 + N * 4
| UInt16 (0x2)
| Index N of the sound
|-
| 0x2 + N * 4
| UInt8 (0x1)?
| Unknown.
|-
| 0x3 + N * 4
| UInt8 (0x1)?
| Unknown.
|-
| 0x4 + N * 4
| UInt16 (0x2)
| Unknown. Perhaps volume?
|-
| 0x6 + N * 4
| Padding (0x2)
|
|}

=== Name table ===
size: (N + 1) * 0x4
{| class="wikitable"
|-
! Offset
! Type
! Description
|-
| 0x0 + N * 4
| UInt32 (0x4)
| Offset to null-terminated Speaker Sound name
|}

The rest of the file is padded to the nearest 0x40.

== List of Speaker Sounds ==
Coming before GTA 6.