Filetype:FMOD Soundbank - Revision history

Kraken at 20:41, 22 July 2026

2026-07-22T20:41:05Z

← Older revision		Revision as of 20:41, 22 July 2026
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	== References ==		== References ==
	* [https://github.com/vgmstream/vgmstream/blob/f3cb9a39d0db22127a9ba174b2e4e0ccaf946ed2/src/meta/fsb.c#L293 Github - vgmstream - vgmstream/src/meta/fsb.c]		* [https://github.com/vgmstream/vgmstream/blob/f3cb9a39d0db22127a9ba174b2e4e0ccaf946ed2/src/meta/fsb.c#L293 Github - vgmstream - vgmstream/src/meta/fsb.c]


			[[Category:File Formats]]
			[[Category:Technical Pages]]

Kraken at 20:37, 22 July 2026

2026-07-22T20:37:38Z

← Older revision		Revision as of 20:37, 22 July 2026
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	</pre>		</pre>
	== References ==		== References ==
	* [https://github.com/vgmstream/vgmstream/blob/f3cb9a39d0db22127a9ba174b2e4e0ccaf946ed2/src/meta/fsb.c#~~L122~~ Github - vgmstream - vgmstream/src/meta/fsb.c]		* [https://github.com/vgmstream/vgmstream/blob/f3cb9a39d0db22127a9ba174b2e4e0ccaf946ed2/src/meta/fsb.c#L293 Github - vgmstream - vgmstream/src/meta/fsb.c]

Kraken: Page rewrite. More research has been done, added multichannel.

2026-07-22T20:36:46Z

Page rewrite. More research has been done, added multichannel.

Show changes

Kraken at 02:02, 27 May 2026

2026-05-27T02:02:08Z

← Older revision		Revision as of 02:02, 27 May 2026
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	FSB4 (FMOD Sound Bank version 4) is a proprietary audio container format developed by Firelight Technologies for use in games and interactive media. It is the native audio format used by the FMOD sound engine and is notably employed in [[LittleBigPlanet]] series for music playback.		FSB4 (FMOD Sound Bank version 4) is a proprietary audio container format developed by Firelight Technologies for use in games and interactive media. It is the native audio format used by the FMOD sound engine and is notably employed in [[LittleBigPlanet]] series for music playback.

	FSB4 packages ~~compressed~~ audio samples (typically MP3) into a single bank file that can be loaded and played back by the FMOD engine. The format supports:		FSB4 packages compresses audio samples (typically MP3) into a single bank file that can be loaded and played back by the FMOD engine. The format supports:

	* Multiple audio samples per bank		* Multiple audio samples per bank

Kraken at 02:01, 27 May 2026

2026-05-27T02:01:22Z

← Older revision		Revision as of 02:01, 27 May 2026
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	{{WIP}}		{{WIP}}

	~~= FSB4 Format =~~

	FSB4 (FMOD Sound Bank version 4) is a proprietary audio container format developed by Firelight Technologies for use in games and interactive media. It is the native audio format used by the FMOD sound engine and is notably employed in [[LittleBigPlanet]] series for music playback.		FSB4 (FMOD Sound Bank version 4) is a proprietary audio container format developed by Firelight Technologies for use in games and interactive media. It is the native audio format used by the FMOD sound engine and is notably employed in [[LittleBigPlanet]] series for music playback.

	~~== Overview ==~~

	FSB4 packages compressed audio samples (typically MP3) into a single bank file that can be loaded and played back by the FMOD engine. The format supports:		FSB4 packages compressed audio samples (typically MP3) into a single bank file that can be loaded and played back by the FMOD engine. The format supports:
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	* 3D audio positioning parameters		* 3D audio positioning parameters
	* Sample-accurate seeking		* Sample-accurate seeking


	== File Structure ==		== File Structure ==

Kraken: Added category tags

2026-05-26T21:44:43Z

Added category tags

← Older revision		Revision as of 21:44, 26 May 2026
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	* The <code>FMOD_FSB_SOURCE_MPEG_PADDED</code> flag indicates MPEG frames are padded to 2-byte boundaries		* The <code>FMOD_FSB_SOURCE_MPEG_PADDED</code> flag indicates MPEG frames are padded to 2-byte boundaries
	* At 160kbps, each MP3 frame contains 1152 samples		* At 160kbps, each MP3 frame contains 1152 samples



			[[Category:File Formats]]
			[[Category:Technical Pages]]

Kraken: Corrected some inaccuracies

2026-05-26T21:40:43Z

Corrected some inaccuracies

← Older revision		Revision as of 21:40, 26 May 2026
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	=== Startpoint Table (optional) ===		=== Startpoint Table (optional) ===

	Startpoints allow the game to ~~synchronize gameplay events with~~ specific positions in the ~~music track~~. The table begins with a <code>SYNC</code> header.		Startpoints allow the game to start playing at specific positions in the sample. The table begins with a <code>SYNC</code> header.

	{\| class="wikitable"		{\| class="wikitable"
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	=== Audio Data Section ===		=== Audio Data Section ===

	The raw compressed audio data (MPEG frames) follows the directory section, aligned to a 32-byte boundary. In LittleBigPlanet, this is typically Layer III MP3 audio encoded at 48kHz stereo.		The raw compressed audio data (MPEG frames) follows the directory section, aligned to a 32-byte boundary. In LittleBigPlanet, this is typically Layer III MP3 audio encoded at 160kbps, 44.1KHz or 48kHz stereo.

	== FMOD_FSB_HEADER Flags ==		== FMOD_FSB_HEADER Flags ==
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	The flags field in the FSB4 header specifies how samples are stored:		The flags field in the FSB4 header specifies how samples are stored:

	Note: Flags are stored as bitmasks (FSOUND_FLAGS ~~as well~~)		Note: Flags are stored as bitmasks (FSOUND_FLAGS also)

	{\| class="wikitable"		{\| class="wikitable"
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	= Hex Breakdown Example =		= Hex Breakdown Example =

	This example uses <code>appliance_of_science.fsb</code> from LittleBigPlanet to demonstrate the FSB4 format structure. Audio encoded at 44.1kHz, 160kbps MP3.		This example uses <code>appliance_of_science.fsb</code> from LittleBigPlanet to demonstrate the FSB4 format structure.

			Audio encoded at 44.1kHz, 160kbps MP3.

	== File Header (0x000-0x02F) ==		== File Header (0x000-0x02F) ==

Kraken: Major rewrite, included example breakdown

2026-05-26T21:37:24Z

Major rewrite, included example breakdown

Show changes

Kraken at 02:25, 24 March 2026

2026-03-24T02:25:53Z

← Older revision		Revision as of 02:25, 24 March 2026
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	==Overview==		==Overview==

	'''FMOD Sound Bank Version 4 (FSB4)''' is a proprietary binary audio format used with the '''FMOD''' sound engine from '''Firelight Technologies'''. The format is designed to store a single audio file or multiple files in one container, supporting both compressed and uncompressed audio. Each file includes metadata such as sample rate, channel count, looping information, and playback settings, making the format suitable for efficiently managing and streaming audio in interactive applications.		'''FMOD Sound Bank Version 4 (FSB4)''' is a proprietary binary audio format used with the '''FMOD''' sound engine from '''Firelight Technologies'''. The format is designed to store a single audio file or multiple files in one container, supporting both compressed and uncompressed audio. Each file includes metadata such as sample rate, channel count, looping information, and playback settings, making the format suitable for efficiently managing and streaming audio in interactive applications. The format has a little endianess.


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	! style="width:120px;" \| Size (bytes) !! style="width:120px;" \| Type !! style="width:300px;" \| Notes		! style="width:120px;" \| Size (bytes) !! style="width:120px;" \| Type !! style="width:300px;" \| Notes
	\|-		\|-
	\| 4 \|\| char[4] \|\| File ~~signature~~ ("FSB4")		\| 4 \|\| char[4] \|\| File Magic ("FSB4")
	\|-		\|-
	\| 4 \|\| u32 \|\| Number of entries in bank		\| 4 \|\| u32 \|\| Number of entries in bank
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	\| 4 \|\| u32 \|\| FSB version		\| 4 \|\| u32 \|\| FSB version
	\|-		\|-
	\| 4 \|\| u32 \|\| Bank ~~flags~~		\| 4 \|\| u32 \|\| Bitmasked Bank Flags
	\|-		\|-
	\| 8 \|\| u64 \|\| Reserved / padding		\| 8 \|\| u64 \|\| Reserved / padding
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	\| 4 \|\| u32 \|\| Loop end position		\| 4 \|\| u32 \|\| Loop end position
	\|-		\|-
	\| 4 \|\| u32 \|\| ~~Playback mode~~		\| 4 \|\| u32 \|\| Bitmasked Play Flags
	\|-		\|-
	\| 4 \|\| u32 \|\| Sample rate (Hz)		\| 4 \|\| u32 \|\| Sample rate (Hz)

Kraken: Added Overview and Categories

2026-03-23T19:19:40Z

Added Overview and Categories

← Older revision		Revision as of 19:19, 23 March 2026
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	{{WIP}}		{{WIP}}
			{{stub}}
			==Overview==

	'''FMOD Sound Bank Version 4 (FSB4)''' is a proprietary binary audio format used with the '''FMOD''' sound engine from '''Firelight Technologies'''. The format is designed to store a single audio file or multiple files in one container, supporting both compressed and uncompressed audio. Each file includes metadata such as sample rate, channel count, looping information, and playback settings, making the format suitable for efficiently managing and streaming audio in interactive applications.		'''FMOD Sound Bank Version 4 (FSB4)''' is a proprietary binary audio format used with the '''FMOD''' sound engine from '''Firelight Technologies'''. The format is designed to store a single audio file or multiple files in one container, supporting both compressed and uncompressed audio. Each file includes metadata such as sample rate, channel count, looping information, and playback settings, making the format suitable for efficiently managing and streaming audio in interactive applications.
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	'''MPEG Section still under construction'''		'''MPEG Section still under construction'''

			[[Category:File Formats]]
			[[Category:Technical Pages]]