Action11 - Revision history

Peter1138: /* Description */

2025-01-06T15:53:37Z

Description

← Older revision		Revision as of 15:53, 6 January 2025
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	* 11025 Hz, 22050 Hz, or {{ottdp\|1.0\|no}} 44100 Hz <ref>Technically OpenTTD 0.6 already supported resampling of any sample rate, but playback only used 11025 Hz anyway. Since OpenTTD 1.0 the default playback rate is 44100 Hz.</ref>		* 11025 Hz, 22050 Hz, or {{ottdp\|1.0\|no}} 44100 Hz <ref>Technically OpenTTD 0.6 already supported resampling of any sample rate, but playback only used 11025 Hz anyway. Since OpenTTD 1.0 the default playback rate is 44100 Hz.</ref>
	When using [[Version_numbers#GRF_container_version\|GRF container version 1]], the file size cannot exceed 64 kB.		When using [[Version_numbers#GRF_container_version\|GRF container version 1]], the file size cannot exceed 64 kB.

			{{ottdp\|15}} Since OpenTTD 15, compressed sound effects are supported in Ogg Opus format, with no restriction on quality, bit depth or sample rate.

	<references/>		<references/>

Frosch: details on required sound format

2013-05-15T15:38:13Z

details on required sound format

← Older revision		Revision as of 15:38, 15 May 2013
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	18 ** sounds/sheep.wav</pre>		18 ** sounds/sheep.wav</pre>

	All files included this way must ~~be 8-bit mono sound files in~~ WAV format, PCM encoding~~. There are two allowed frequencies~~: ~~11025 Hz and 22050 Hz. When using [[Version_numbers#GRF_container_version\|GRF container version 1]], the file size cannot exceed 64 kB.~~		All files included this way must use WAV format, PCM encoding:
			* mono
			* 8-bit or {{ottdp\|1.0\|no}} 16-bit
			* 11025 Hz, 22050 Hz, or {{ottdp\|1.0\|no}} 44100 Hz <ref>Technically OpenTTD 0.6 already supported resampling of any sample rate, but playback only used 11025 Hz anyway. Since OpenTTD 1.0 the default playback rate is 44100 Hz.</ref>
			When using [[Version_numbers#GRF_container_version\|GRF container version 1]], the file size cannot exceed 64 kB.

			<references/>

	For those need to know or are inordinately curious, the actual encoding of a binary include is the same as a pseudosprite:		For those need to know or are inordinately curious, the actual encoding of a binary include is the same as a pseudosprite:

Frosch: GRFv8 != ContainerV2

2012-07-07T05:47:29Z

GRFv8 != ContainerV2

← Older revision		Revision as of 05:47, 7 July 2012
Line 45:		Line 45:
	18 ** sounds/sheep.wav</pre>		18 ** sounds/sheep.wav</pre>

	All files included this way must be 8-bit mono sound files in WAV format, PCM encoding. There are two allowed frequencies: 11025 Hz and 22050 Hz. ~~Due~~ to ~~some~~ ~~limitations~~ of ~~the GRF format~~, the file size cannot exceed 64 kB~~, at least not until GRF version 8~~.		All files included this way must be 8-bit mono sound files in WAV format, PCM encoding. There are two allowed frequencies: 11025 Hz and 22050 Hz. When using [[Version_numbers#GRF_container_version\|GRF container version 1]], the file size cannot exceed 64 kB.

	For those need to know or are inordinately curious, the actual encoding of a binary include is the same as a pseudosprite:		For those need to know or are inordinately curious, the actual encoding of a binary include is the same as a pseudosprite:

Oberhümer: /* number */

2012-07-06T17:25:35Z

number

← Older revision		Revision as of 17:25, 6 July 2012
Line 45:		Line 45:
	18 ** sounds/sheep.wav</pre>		18 ** sounds/sheep.wav</pre>

	All files included this way must be 8-bit mono sound files in WAV format, PCM encoding. There are two allowed frequencies: 11025 Hz and 22050 Hz. Due to some limitations of the GRF format, the file size cannot exceed 64 kB.		All files included this way must be 8-bit mono sound files in WAV format, PCM encoding. There are two allowed frequencies: 11025 Hz and 22050 Hz. Due to some limitations of the GRF format, the file size cannot exceed 64 kB, at least not until GRF version 8.

	For those need to know or are inordinately curious, the actual encoding of a binary include is the same as a pseudosprite:		For those need to know or are inordinately curious, the actual encoding of a binary include is the same as a pseudosprite:

Frosch: version tags and sections

2011-08-06T18:13:46Z

version tags and sections

← Older revision		Revision as of 18:13, 6 August 2011
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	==Introduction==		==Introduction==
			{{ottdp\|0.6\|2.5\|ttdprev=2.0.1 alpha 57}}

	~~Define new sound data.~~ This action allows the definition of binary included sound samples.		This action allows the definition of binary included sound samples.

		⚫	Action 11 may only appear at most once per .grf file.
		⚫	The newly defined sounds will be numbered consecutively, starting from 73 (49h) (numbers 0..72 represent original sounds). When you need to refer to your new sounds, you will have to use this numbering.

	== Syntax ==		== Syntax ==
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	\|}		\|}

	=== Notes ===

⚫	Action 11 may only appear at most once per .grf file.

⚫	The newly defined sounds will be numbered consecutively, starting from 73 (49h) (numbers 0..72 represent original sounds). When you need to refer to your new sounds, you will have to use this numbering.

	Available since TTDPatch 2.0.1 alpha 57.

	== Description ==		== Description ==
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	== Importing sound effects from other grf files ==		== Importing sound effects from other grf files ==
			{{ottdp\|0.6\|2.5\|ttdprev=2.0.1 alpha 61}}

	Since TTDPatch 2.0.1 alpha 61, it is possible to import sound effects from other grf files (or even the current file).  This does not copy the sound effect data (thus reducing memory usage), but does provide a new sound effect entry with its own action 0 properties.		Since TTDPatch 2.0.1 alpha 61, it is possible to import sound effects from other grf files (or even the current file).  This does not copy the sound effect data (thus reducing memory usage), but does provide a new sound effect entry with its own action 0 properties.

Frosch: fix typo

2011-06-18T12:11:14Z

fix typo

← Older revision		Revision as of 12:11, 18 June 2011
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	\|<name-len> \|\|B \|\|The return value of strlen(<name>);		\|<name-len> \|\|B \|\|The return value of strlen(<name>);
	\|-		\|-
	\|<~~length~~> \|\|S \|\|The name of the included file, with any leading directories stripped		\|<name> \|\|S \|\|The name of the included file, with any leading directories stripped
	\|-		\|-
	\|00 \|\|B \|\|Null byte terminating the string (not included in size)		\|00 \|\|B \|\|Null byte terminating the string (not included in size)

Planetmaker: Fix: broken link

2011-06-16T08:57:55Z

Fix: broken link

← Older revision		Revision as of 08:57, 16 June 2011
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	== Example ==		== Example ==

	Look at this tt-forums-page for how to add sounds to a train: [http://www.tt-forums.net/viewtopic.php?f=26&~~amp;~~t=5033&~~amp;p=735013#p735013 http://www.tt-forums.net/viewtopic.php?f=26&t=5033&~~p=735013#p735013]		Look at this tt-forums-page for how to add sounds to a train: [http://www.tt-forums.net/viewtopic.php?f=26&t=5033&p=735013#p735013]

Pm-bot: Bot: Automated text replacement (- 2.0 + TTDPatch 2.0)

2011-06-15T17:28:37Z

Bot: Automated text replacement (- 2.0 + TTDPatch 2.0)

← Older revision		Revision as of 17:28, 15 June 2011
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	The newly defined sounds will be numbered consecutively, starting from 73 (49h) (numbers 0..72 represent original sounds). When you need to refer to your new sounds, you will have to use this numbering.		The newly defined sounds will be numbered consecutively, starting from 73 (49h) (numbers 0..72 represent original sounds). When you need to refer to your new sounds, you will have to use this numbering.

	Available since 2.0.1 alpha 57.		Available since TTDPatch 2.0.1 alpha 57.

	== Description ==		== Description ==
Line 68:		Line 68:
	== Importing sound effects from other grf files ==		== Importing sound effects from other grf files ==

	Since 2.0.1 alpha 61, it is possible to import sound effects from other grf files (or even the current file).  This does not copy the sound effect data (thus reducing memory usage), but does provide a new sound effect entry with its own action 0 properties.		Since TTDPatch 2.0.1 alpha 61, it is possible to import sound effects from other grf files (or even the current file).  This does not copy the sound effect data (thus reducing memory usage), but does provide a new sound effect entry with its own action 0 properties.

	This is a way of either combining useful sound effects in a single grf file and using them in several, or to duplicate sounds with different amplification or priority settings without doubling the memory usage.		This is a way of either combining useful sound effects in a single grf file and using them in several, or to duplicate sounds with different amplification or priority settings without doubling the memory usage.

Pm-bot: use GRFID consistently

2011-06-15T16:05:09Z

use GRFID consistently

← Older revision		Revision as of 16:05, 15 June 2011
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	The format of such an import sprite is the following (replacing a "**" binary sprite within the action 11 sprite block):		The format of such an import sprite is the following (replacing a "**" binary sprite within the action 11 sprite block):

	<pre><sprite-number> * <length> FE 00 <~~grfID~~> <number></pre>		<pre><sprite-number> * <length> FE 00 <GRFID> <number></pre>

	{\|		{\|
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	\|00 \|\|B \|\|Code to identify a sound effect import		\|00 \|\|B \|\|Code to identify a sound effect import
	\|-		\|-
	\|<~~grfID~~> \|\|D \|\|~~grfID~~ of grf file to import sound effect from, may be the current one too		\|<GRFID> \|\|D \|\|GRFID of grf file to import sound effect from, may be the current one too
	\|-		\|-
	\|<number> \|\|W \|\|Sound effect number to import		\|<number> \|\|W \|\|Sound effect number to import

Pm-bot: use grfID consistently

2011-06-15T16:03:29Z

use grfID consistently

← Older revision		Revision as of 16:03, 15 June 2011
Line 76:		Line 76:
	The format of such an import sprite is the following (replacing a "**" binary sprite within the action 11 sprite block):		The format of such an import sprite is the following (replacing a "**" binary sprite within the action 11 sprite block):

	<pre><sprite-number> * <length> FE 00 <~~grfid~~> <number></pre>		<pre><sprite-number> * <length> FE 00 <grfID> <number></pre>

	{\|		{\|
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	\|00 \|\|B \|\|Code to identify a sound effect import		\|00 \|\|B \|\|Code to identify a sound effect import
	\|-		\|-
	\|<~~grfid~~> \|\|D \|\|~~GRFID~~ of grf file to import sound effect from, may be the current one too		\|<grfID> \|\|D \|\|grfID of grf file to import sound effect from, may be the current one too
	\|-		\|-
	\|<number> \|\|W \|\|Sound effect number to import		\|<number> \|\|W \|\|Sound effect number to import