Why Meta Quest?
Design
Develop
API reference
Distribute and grow
Blog
Support
API reference
API reference
Select your platform
No SDKs available
No versions available
Overview
AudioClipAudioSource
ImageViewer
Lib
Meta
Conduit
Net
Voice
WitAi
WitAi
ArrayNodeReference
ArrayPool
Attributes
AudioDurationTracker
BaseSpeechService
CallbackHandlers
Comment
ComponentExtensions
Composer
Configuration
CoroutineUtility
Data
Dictation
Drawers
EditorUtilities
EnumerableExtensions
Events
ExportParser
ExportSaver
IExportParserPlugin
IRequest
ITelemetryEventsProvider
IVoiceActivationHandler
IVoiceEventProvider
IVoiceService
IWitRequestConfiguration
IWitRequestEndpointInfo
IWitRuntimeConfigProvider
IWitRuntimeConfigSetter
Inspectors
Interfaces
Json
Lib
MatchIntent
MatchIntentRegistry
ObjectNodeReference
ObjectPool
PluggableBase
RegisteredMatchIntent
Requests
ServiceReferences
Speech
TTS
TTS
Data
Debugger
Events
Integrations
Interfaces
LipSync
Preload
Preload
TTSPreloadData
TTSPreloadPhraseData
TTSPreloadSettings
TTSPreloadSettingsInspector
TTSPreloadUtility
TTSPreloadVoiceData
Samples
TTSEditorUtilities
TTSService
TTSServiceInspector
TTSSpeakerInspector
TTSWitInspector
UX
Utilities
Voices
TaskExtensions
TaskUtility
ThreadUtility
TypeExtensions
UnityEventExtensions
UnityObjectExtensions
Utilities
VLog
ValidatePartialIntent
VoiceService
Windows
Wit
WitAppInfoUtility
WitAuthUtility
WitConduitParameterProvider
WitConfigurationEditorUI
WitConstants
WitEditorConstants
WitEditorUI
WitExportRetriever
WitRequest
WitRequestFactory
WitRequestSettings
WitResponseReference
WitResultUtilities
WitRuntimeRequestConfiguration
WitService
WitStyles
WitTexts
WrapHttpWebRequest
ZipArchiveExtensions
Oculus
Code samples
Downloads
Release notes
Supported platforms
Meta
TTSPreloadUtility Class
Public Statics
static
CoroutineUtility.CoroutinePerformer
_performer
[Get]
Static Member Functions
static
TTSPreloadSettings
CreatePreloadSettings
( )
Create a new preload settings asset by prompting a save location
static
TTSPreloadSettings
CreatePreloadSettings
( string savePath )
Create a new preload settings asset at specified location
static
TTSPreloadSettings
[]
GetPreloadSettings
( )
Find all preload settings currently in the Assets directory
static bool
IsIterating
( )
static bool
CanPreloadData
( )
static void
PreloadData
(
TTSService
service,
TTSPreloadData
preloadData,
Action< float > onProgress,
Action<
TTSPreloadData
, string > onComplete )
static void
RefreshPreloadData
(
TTSService
service,
TTSPreloadData
preloadData,
Action< float > onProgress,
Action<
TTSPreloadData
, string > onComplete )
static void
RefreshVoiceData
(
TTSService
service,
TTSPreloadVoiceData
voiceData,
TTSDiskCacheSettings
cacheSettings,
ref string log )
static void
RefreshPhraseData
(
TTSService
service,
TTSDiskCacheSettings
cacheSettings,
TTSVoiceSettings
voiceSettings,
TTSPreloadPhraseData
phraseData )
static void
DeleteData
(
TTSService
service )
static bool
ImportData
(
TTSPreloadSettings
preloadSettings )
Prompt user for a json file to be imported into an existing
TTSPreloadSettings
asset
static bool
ImportData
(
TTSPreloadSettings
preloadSettings,
string textFilePath )
Imported json data into an existing
TTSPreloadSettings
asset
static bool
ImportPhrases
(
TTSPreloadSettings
preloadSettings )
Find all ITTSPhraseProviders loaded in scenes & generate data file to import all phrases associated with the files.
static bool
ImportData
(
TTSPreloadSettings
preloadSettings,
Dictionary< string, List< string >> textsByVoice )
Imported dictionary data into an existing
TTSPreloadSettings
asset
Member Functions
delegate IEnumerator
TTSPreloadIterateDelegate
(
TTSService
service,
TTSDiskCacheSettings
cacheSettings,
TTSVoiceSettings
voiceSettings,
TTSPreloadPhraseData
phraseData,
Action< float > onProgress,
Action< string > onComplete )
Build with Meta
Social Technologies
Meta Horizon
AI
Worlds
About us
Careers
Research
Products
Virtual reality / Meta Horizon
Developer Blog
Download SDKs
Meta for Work
Programs
Start
Meta Horizon Creator Program
Discover
Why Meta Quest?
What is mixed reality?
Platforms and tools
2D apps for Meta Horizon OS
Devices
Meta Avatars
Success stories
Use cases
Support and legal
Developer policies
Legal
Privacy
Forums
Support
Build with Meta
Social Technologies
Meta Horizon
AI
Worlds
About us
Careers
Research
Products
Virtual reality / Meta Horizon
Developer Blog
Download SDKs
Meta for Work
Programs
Start
Meta Horizon Creator Program
Discover
Why Meta Quest?
What is mixed reality?
Platforms and tools
2D apps for Meta Horizon OS
Devices
Meta Avatars
Success stories
Use cases
Support and legal
Developer policies
Legal
Privacy
Forums
Support
Build with Meta
Social Technologies
Meta Horizon
AI
Worlds
About us
Careers
Research
Products
Virtual reality / Meta Horizon
Developer Blog
Download SDKs
Meta for Work
Programs
Start
Meta Horizon Creator Program
Discover
Why Meta Quest?
What is mixed reality?
Platforms and tools
2D apps for Meta Horizon OS
Devices
Meta Avatars
Success stories
Use cases
Support and legal
Developer policies
Legal
Privacy
Forums
Support
English (US)
© 2026 Meta