Microsoft-Windows-Speech-TTS

Event	Title	Channel	Sample	Rule
1	LoadVoiceStart	Diagnostic	N	N
2	LoadVoiceStop	Diagnostic	N	N
3	SpeakStart	Diagnostic	N	N
4	SpeakStop	Diagnostic	N	N
5	Speak	Diagnostic	N	N

Event ID 1: LoadVoiceStart

Channel: Diagnostic
Task: LoadVoice
Opcode: Start

Fields #

Name	Description
`Instance` Pointer

Event ID 2: LoadVoiceStop

Channel: Diagnostic
Task: LoadVoice
Opcode: Stop

Fields #

Name	Description
`Instance` Pointer

Event ID 3: SpeakStart

Channel: Diagnostic
Task: Speak
Opcode: Start

Fields #

Name	Description
`Instance` Pointer

Event ID 4: SpeakStop

Channel: Diagnostic
Task: Speak
Opcode: Stop

Fields #

Name	Description
`Instance` Pointer

Event ID 5: Speak

Channel: Diagnostic
Task: Speak

Fields #

Name	Description
`Instance` Pointer

Provenance

ETW provider GUID 74dcc47a-846e-4c98-9e2c-80043ed82b15

Defined in MSTTSEngine.dll, which carries the event manifest.

WS2022-20348.4893, schema read from the registered manifest, binary version 11.0.58.18, captured 2026-06-02 — Manifest XML pack, 1.9 MB
Win11-26200.6584, schema read from the registered manifest, binary version 11.0.58.18, captured 2026-06-02 — Manifest XML pack, 2.0 MB