Microsoft-Windows-Audio

EventTitleChannelSampleRule
0Windows Audio encountered an error while processing a device event.OperationalNN
1Windows Audio encountered an error while processing a device event.OperationalNN
2Windows Audio failed during a call to SetServiceStatus.ApplicationNN
3Windows Audio failed to start the szSubsystemName subsystem.OperationalNN
4The Windows Audio Device Graph Isolation process.OperationalNN
5The Windows Audio Device Graph Isolation process.OperationalNN
10The Capture Monitor has failed to restart the capture monitor between …CaptureMonitorNN
11StreamFlags dwAudioSrvStreamFlags.OperationalNN
12AudioPerf_Task_LaunchAudioDGStartPerformanceNN
13AudioPerf_Task_LaunchAudioDGStopPerformanceNN
14AudioPerf_Task_EndpointVolumeStartPerformanceNN
15AudioPerf_Task_EndpointVolumeStopPerformanceNN
16AudioPerf_Task_SessionAPIStartPerformanceNN
17AudioPerf_Task_SessionAPIStopPerformanceNN
18Windows Audio Device Graph glitch threshold count exceeded.OperationalNN
19Windows Audio Device Graph glitch threshold count exceeded.PerformanceNN
20Format: Format Sampling rate: Sampling_rateHz Offloaded: Offloaded.PlaybackManagerNN
21Sound level for application [AppId] changed to [SoundLevel].PlaybackManagerNN
22Suspended: Suspended.PlaybackManagerNN
23Released exclusive mode resource bExclusiveModeStream.PlaybackManagerNN
24Stream started.PlaybackManagerYN
25Stream stopped.PlaybackManagerYN
26Capture Monitor Render Glitch: pCMonitor=[pCMonitor], …GlitchDetectionNN
27Capture Monitor Capture Glitch: pCMonitor=[pCMonitor], …GlitchDetectionNN
28APO Glitch: Format Converter INF detected: …GlitchDetectionNN
29Engine Glitch: CP Client Input Endpoint - …GlitchDetectionNN
30Engine Glitch: CP Client Input Endpoint - …GlitchDetectionNN
31Engine Glitch: CP Client Output Endpoint - Server Overread: …GlitchDetectionNN
32Engine Glitch: CP Client Output Endpoint - Read Pointer Overwrite: …GlitchDetectionNN
33Engine Glitch: CP Server Input Endpoint - Starvation: …GlitchDetectionNN
34Engine Glitch: CP Server Output Endpoint - Queue Full Packet Drop: …GlitchDetectionNN
35Engine Glitch: CP Server Output Endpoint - Read Pointer Overwrite: …GlitchDetectionNN
36KS Endpoint Glitch: IOMGR No Outstanding Packets: pOwner=[pOwner] …GlitchDetectionNN
37KS Endpoint Glitch: IOMGR Ioctl Time Limit Exceeded: pOwner=[pOwner] …GlitchDetectionNN
38KS Endpoint Glitch: BASE Output Unexpected Buffer Completed: …GlitchDetectionNN
39KS Endpoint Glitch: BASE Input Null Last Buffer with LockedData !GlitchDetectionNN
40KS Endpoint Glitch: BASE Input Buffer Index Mismatch: …GlitchDetectionNN
41KS Endpoint Glitch: BASE End Glitch: pCAudioBasePin=[pCAudioBasePin] …GlitchDetectionNN
42KS Endpoint Glitch: RTCAP StreamPos Ahead of HW Pos: …GlitchDetectionNN
43KS Endpoint Glitch: RTCAP StreamPos Too Far Behind: …GlitchDetectionNN
44KS Endpoint Glitch: RTREN WritePos Exceeds TotalPos: …GlitchDetectionNN
45KS Endpoint Glitch: STCAP Capture Ahead: …GlitchDetectionNN
46KS Endpoint Glitch: STCAP Capture Behind: …GlitchDetectionNN
47KS Endpoint Glitch: STCAP Device Starved: …GlitchDetectionNN
48KS Endpoint Glitch: STREN Device Starved: …GlitchDetectionNN
49KS Endpoint Glitch: STREN EXCL PULL Invalid Buffer Count: …GlitchDetectionNN
50System effect initialized: CLSID=[APOCLSID] …InformationalNN
51Volume limit event signalled to audiosrv enterInformationalNN
52Volume limit event signalled to audiosrv exitInformationalNN
53AudioSrv published AVLC stateInformationalNN
54AudioSrv calls PdcActivationClientRegisterInformationalNN
55AudioSrv calls PdcActivationClientUnregisterInformationalNN
56AudioSrv calls PdcActivationClientTakeTimerReferenceInformationalNN
57AudioSrv calls PdcActivationClientReleaseTimerReferenceInformationalNN
58MMDevAPI: Default device changed triggeredInformationalNN
59MMDevAPI: OnMediaNotification EnterInformationalNN
60MMDevAPI: OnMediaNotification ExitInformationalNN
61MMDevAPI: DeviceStateChanged callbackInformationalNN
62MMDevAPI: DeviceAdded callbackInformationalNN
63MMDevAPI: DeviceRemoved callbackInformationalNN
64MMDevAPI: DefaultDeviceChanged callbackInformationalNN
65MMDevAPI: Audio device state changedOperationalNN
101MidiRT: Application Suspension HandlerInformationalNN
102MidiRT: Application Resume HandlerInformationalNN
103MidiRT: Application Entering CS HandlerInformationalNN
104MidiRT: Application Resuming from CS HandlerInformationalNN
105MidiRT: Device Removal HandlerInformationalNN
106MidiRT: Cleanup and release device handleInformationalNN
107MidiRT: Close handle to MIDI DeviceInformationalNN
108MidiRT: Begin binding to DeviceId: DeviceId.InformationalNN
109MidiRT: Done binding to device interfaceInformationalNN
110MidiRT: Create new MidiPortDeviceIoControlInformationalNN
111MidiRT: Beginning Synchronous I/OInformationalNN
112MidiRT: Done with synchronous I/OInformationalNN
113MidiRT: Beginning Asynchronous I/OInformationalNN
114MidiRT: Done with Asynchronous I/OInformationalNN
115CrossProcess packet addedInformationalNN
116Pump: setting deadlinePerformanceNN
117Pump: cancelling deadlinePerformanceNN
118Pump: missed deadline!PerformanceNN
119Pump: Start - setting MultimediMode to AVRT_MULTIMEDIA_MODE_BUFFERINGPerformanceNN
120Pump: Stop - setting MultimediMode to AVRT_MULTIMEDIA_MODE_IDLEPerformanceNN
121Discovering EndpointCharacteristics for [Endpoint Id].PerformanceNN
122Discovered EndpointCharacteristics for [Endpoint Id] (hr = hr).PerformanceNN
123GetMixFormat starting on endpoint [Endpoint Id] (category=category, raw=Raw, …PerformanceNN
124GetMixFormat endedPerformanceNN
125IsFormatSupported starting on endpoint [Endpoint Id] (category=category, …PerformanceNN
126IsFormatSupported endedPerformanceNN
127Vadserver_CreateStream starting on endpoint [Endpoint Id] (category=category, …PerformanceNN
128Vadserver_CreateStream endedPerformanceNN
129Derived stream settings for streamPerformanceNN
130Created StreamGroup and streamPerformanceNN
131Created SaDevicePerformanceNN
132Connected StreamGroup to SaDevicePerformanceNN
133CreateDeviceEndpointInstance starting on endpoint [Endpoint Id] …PerformanceNN
134CreateDeviceEndpointInstance endedPerformanceNN
135Pump: Correct PositionPerformanceNN
136Pump: Start - Yield startPerformanceNN
137Pump: Stop - Yield stopPerformanceNN
138Pump: Start - Process startPerformanceNN
139Pump: Stop - Process stopPerformanceNN
140Pump: ProcPassDurationPerformanceNN
141AE ObjectInformationalNN
142AE GlitchInformationalNN
143AE DropInformationalNN
144AE CPU UsageInformationalNN
145AE ControlInformationalNN
146AE PositionInformationalNN
147AE SecurityInformationalNN
148AE DataInformationalNN
149AE IRPInformationalNN
150AE EndpointInformationalNN
151AE InterpolatorInformationalNN
152AE TimestampInformationalNN
153AE PerformanceInformationalNN
154AE GenericInformationalNN
155AE MemoryInformationalYN
156AE MemoryInformationalNN
157AE MemoryInformationalNN
158SetCurrentTimeStampInformationalNN
159Writing history packetInformationalNN
160Signal pump pass completionInformationalNN
161Pump: Processing pass skippedInformationalNN
162Pump: GetCurrentPadding StartPerformanceNN
163Pump: GetCurrentPadding StopPerformanceNN
164AE APO CalcInputFramesInformationalNN
165AE APO CalcInputFramesInformationalNN
166AE APO ProcessInformationalNN
167AE APO ProcessInformationalNN
168Pump: Start - skipping setting MultimediMode to AVRT_MULTIMEDIA_MODE_BUFFERINGPerformanceNN
169Pump: Stop - skipping setting MultimediMode to AVRT_MULTIMEDIA_MODE_IDLEPerformanceNN
170Pump: TimedSpin StartPerformanceNN
171Pump: TimedSpin StopPerformanceNN
172Pump: Attach to MMCSS StartPerformanceNN
173Pump: Attach to MMCSS StopPerformanceNN
174Pump: Init RTModePerformanceNN
175Pump: CreateLocalWorkQueue RTModePerformanceNN
176Pump: GetAPOWorkqueuePerformanceNN
177Received console locked notificationOperationalNN
178Global user presence detectedOperationalYN
179Received session display notificationOperationalYN
180Received Po AudioStandby requestOperationalYN

Event ID 0: Windows Audio encountered an error while processing a device event.

#
Channel
Operational
Task
AudioServer_Fail_Service_Device

Message #

Windows Audio encountered an error while processing a device event.
                    Event ID     : 0x%1 (%2) 
                    Failure Code : 0x%3

Fields #

NameDescription
Event UInt32
EventName UnicodeString
hr UInt32

Event ID 1: Windows Audio encountered an error while processing a device event.

#
Channel
Operational
Task
AudioServer_Fail_Device_Event_Worker

Message #

Windows Audio encountered an error while processing a device event.
                    DeviceEventType : 0x%1 (%2) 
                    Failure Code    : 0x%3

Fields #

NameDescription
DeviceEventType UInt32
DeviceEventTypeName UnicodeString
hr UInt32

Event ID 2: Windows Audio failed during a call to SetServiceStatus.

#
Channel
Application
Task
AudioServer_Fail_Set_Service_Status

Message #

Windows Audio failed during a call to SetServiceStatus.
                    Service Type               : 0x%1 
                    Current State              : 0x%2 
                    Controls Accepted          : 0x%3 
                    Win32 Exit Code            : 0x%4 
                    Service Specific Exit Code : 0x%5 
                    Check Point                : 0x%6 
                    Wait Hint                  : 0x%7

Fields #

NameDescription
dwServiceType UInt32
dwCurrentState UInt32
dwControlsAccepted UInt32
dwWin32ExitCode UInt32
dwServiceSpecificExitCode UInt32
dwCheckPoint UInt32
dwWaitHint UInt32

Event ID 3: Windows Audio failed to start the szSubsystemName subsystem.

#
Channel
Operational
Task
AudioServer_Fail_Subsystem_Startup

Message #

Windows Audio failed to start the %1 subsystem.
                    Subsystem Failure Code     : 0x%2

Fields #

NameDescription
szSubsystemName UnicodeString
dwSubsystemFailureCode UInt32

Event ID 4: The Windows Audio Device Graph Isolation process.

#
Channel
Operational
Task
AudioServer_Fail_AudioDG_Crashed

Description

The Windows Audio Device Graph Isolation process (audiodg.exe) has terminated unexpectedly.

Message #

The Windows Audio Device Graph Isolation process (audiodg.exe) has terminated unexpectedly.
                    Process Exit Code     : 0x%1

Fields #

NameDescription
dwAudioDgTerminationCode UInt32

Event ID 5: The Windows Audio Device Graph Isolation process.

#
Channel
Operational
Task
AudioServer_Fail_AudioDG_Failed_Startup

Description

The Windows Audio Device Graph Isolation process (audiodg.exe) could not be started.

Message #

The Windows Audio Device Graph Isolation process (audiodg.exe) could not be started.
                    Error Code     : 0x%1

Fields #

NameDescription
dwAudioDgStartupFailureCode UInt32

Event ID 10: The Capture Monitor has failed to restart the capture monitor between szInputEndpointName and szOutputEndpointName dwRestartCount times.

#
Channel
CaptureMonitor
Task
CaptureMonitor_Monitor_Restart_Limit_Hit

Message #

The Capture Monitor has failed to restart the capture monitor between %2 and %3  %1 times.  
                 The capture monitor will no longer attempt to start this monitor.

Fields #

NameDescription
dwRestartCount UInt32
szInputEndpointName UnicodeString
szOutputEndpointName UnicodeString

Event ID 11: StreamFlags dwAudioSrvStreamFlags.

#
Channel
Operational
Task
AudioServer_Stream_Flags

Message #

StreamFlags %1

Fields #

NameDescription
dwAudioSrvStreamFlags UInt32

Event ID 12: AudioPerf_Task_LaunchAudioDGStart

#
Channel
Performance
Task
AudioPerf_Task_LaunchAudioDG
Opcode
Start

Fields #

NameDescription
Object UInt32

Event ID 13: AudioPerf_Task_LaunchAudioDGStop

#
Channel
Performance
Task
AudioPerf_Task_LaunchAudioDG
Opcode
Stop

Fields #

NameDescription
Object UInt32

Event ID 14: AudioPerf_Task_EndpointVolumeStart

#
Channel
Performance
Task
AudioPerf_Task_EndpointVolume
Opcode
Start

Event ID 15: AudioPerf_Task_EndpointVolumeStop

#
Channel
Performance
Task
AudioPerf_Task_EndpointVolume
Opcode
Stop

Event ID 16: AudioPerf_Task_SessionAPIStart

#
Channel
Performance
Task
AudioPerf_Task_SessionAPI
Opcode
Start

Event ID 17: AudioPerf_Task_SessionAPIStop

#
Channel
Performance
Task
AudioPerf_Task_SessionAPI
Opcode
Stop

Event ID 18: Windows Audio Device Graph glitch threshold count exceeded.

#
Channel
Operational
Task
AudioDG_Glitch_Threshold_Exceeded

Message #

Windows Audio Device Graph glitch threshold count exceeded 
                              Count   : 0x%1

Fields #

NameDescription
dwAudioDgTerminationCode UInt32

Event ID 19: Windows Audio Device Graph glitch threshold count exceeded.

#
Channel
Performance
Task
AudioPerf_Task_GlitchCounter

Message #

Windows Audio Device Graph glitch threshold count exceeded 
                              Count   : 0x%1

Fields #

NameDescription
dwGlitchCount UInt32
hnsTimeWindow UInt64

Event ID 20: Format: Format Sampling rate: Sampling_rateHz Offloaded: Offloaded.

#
Channel
PlaybackManager
Task
AudioSession_Stream_Resource_Type

Description

Format: Format Sampling rate: SamplingRateHz Offloaded: bAudioSrvStreamResourceType

Message #

Format: %1
Sampling rate: %2Hz
Offloaded: %3

Fields #

NameDescription
Format UInt32
SamplingRate UInt32
bAudioSrvStreamResourceType Boolean

Event ID 21: Sound level for application [AppId] changed to [SoundLevel].

#
Channel
PlaybackManager
Task
AudioServer_Sound_Level_Changed

Message #

Sound level for application [%1] changed to [%2]

Fields #

NameDescription
AppId UnicodeString
SoundLevel UInt32

Event ID 22: Suspended: Suspended.

#
Channel
PlaybackManager
Task
AudioSession_Client_Suspended

Message #

Suspended: %1

Fields #

NameDescription
bIsSuspended Boolean

Event ID 23: Released exclusive mode resource bExclusiveModeStream.

#
Channel
PlaybackManager
Task
AudioSession_Release_Client_Resource

Message #

Released exclusive mode resource %1
Released offload mode resource %2

Fields #

NameDescription
bExclusiveModeStream Boolean
bOffloadStream Boolean

Event ID 24: Stream started.

#
Channel
PlaybackManager
Level
Informational
Task
PBM_StreamStarted

Message #

Stream started.
App Id: %1
PID: %2
Audio Stream Category: %3

Fields #

NameDescription
AppId UnicodeString
PID UInt32
Category UInt32

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Audio",
    "event_id": 24,
    "level": 4,
    "task": 120,
    "opcode": 0,
    "time_created": "2026-04-18T02:46:19.5992023+00:00",
    "computer": "DESKTOP-FF3N5XK",
    "channel": "Microsoft-Windows-Audio"
  },
  "event_data": {
    "AppId": "Microsoft.Windows.ShellExperienceHost_cw5n1h2txyewy!App",
    "PID": "6112",
    "Category": "5"
  }
}

Event ID 25: Stream stopped.

#
Channel
PlaybackManager
Level
Informational
Task
PBM_StreamStopped

Message #

Stream stopped.
App Id: %1
PID: %2
Audio Stream Category: %3

Fields #

NameDescription
AppId UnicodeString
PID UInt32
Category UInt32

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Audio",
    "event_id": 25,
    "level": 4,
    "task": 122,
    "opcode": 0,
    "time_created": "2026-04-18T02:46:21.0095682+00:00",
    "computer": "DESKTOP-FF3N5XK",
    "channel": "Microsoft-Windows-Audio"
  },
  "event_data": {
    "AppId": "Microsoft.Windows.ShellExperienceHost_cw5n1h2txyewy!App",
    "PID": "6112",
    "Category": "5"
  }
}

Event ID 26: Capture Monitor Render Glitch: pCMonitor=[pCMonitor], DevicePosition=[DevicePosition], QPCPosition=[QPCPosition].

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
CaptureMonitorRenderGlitch

Message #

Capture Monitor Render Glitch: pCMonitor=[%1], DevicePosition=[%2], QPCPosition=[%3]

Fields #

NameDescription
pCMonitor Pointer
DevicePosition UInt64
QPCPosition UInt64

Event ID 27: Capture Monitor Capture Glitch: pCMonitor=[pCMonitor], DevicePosition=[DevicePosition], QPCPosition=[QPCPosition].

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
CaptureMonitorCaptureGlitch

Message #

Capture Monitor Capture Glitch: pCMonitor=[%1], DevicePosition=[%2], QPCPosition=[%3]

Fields #

NameDescription
pCMonitor Pointer
DevicePosition UInt64
QPCPosition UInt64

Event ID 28: APO Glitch: Format Converter INF detected: pCAudioFormatConvert=[pCAudioFormatConvert], [ConverstionType].

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
FormatConverterINFdetected

Message #

APO Glitch: Format Converter INF detected: pCAudioFormatConvert=[%1], [%2]

Fields #

NameDescription
pCAudioFormatConvert Pointer
ConverstionType UInt32

Event ID 29: Engine Glitch: CP Client Input Endpoint - pCCrossProcessClientInputEndpoint=[pCCrossProcessClientInputEndpoint] No Messages in queue.

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
CPClientInputEndpoint_NoMessagesinqueue

Message #

Engine Glitch: CP Client Input Endpoint - pCCrossProcessClientInputEndpoint=[%1] No Messages in queue

Fields #

NameDescription
pCCrossProcessClientInputEndpoint Pointer
Unused UInt32

Event ID 30: Engine Glitch: CP Client Input Endpoint - pCCrossProcessClientInputEndpoint=[pCCrossProcessClientInputEndpoint] Queue item does not match requested size.

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
CPClientInputEndpoint_Queueitemdoesnotmatchrequestedsize

Message #

Engine Glitch: CP Client Input Endpoint - pCCrossProcessClientInputEndpoint=[%1] Queue item does not match requested size

Fields #

NameDescription
pCCrossProcessClientInputEndpoint Pointer
Unused UInt32

Event ID 31: Engine Glitch: CP Client Output Endpoint - Server Overread: pCCrossProcessClientOutputEndpoint=[pCCrossProcessClientOutputEndpoint] WritePos=[WriteBytePos] ReadPos=[ReadBytePos] BytesToWrite=[Bytes...

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
CPClientOutputEndpoint_ServerOverread

Description

Engine Glitch: CP Client Output Endpoint - Server Overread: pCCrossProcessClientOutputEndpoint=[pCCrossProcessClientOutputEndpoint] WritePos=[WriteBytePos] ReadPos=[ReadBytePos] BytesToWrite=[BytesToWrite].

Message #

Engine Glitch: CP Client Output Endpoint - Server Overread: pCCrossProcessClientOutputEndpoint=[%1] WritePos=[%2] ReadPos=[%3] BytesToWrite=[%4]

Fields #

NameDescription
pCCrossProcessClientOutputEndpoint Pointer
WriteBytePos UInt64
ReadBytePos UInt64
BytesToWrite UInt32

Event ID 32: Engine Glitch: CP Client Output Endpoint - Read Pointer Overwrite: pCCrossProcessClientOutputEndpoint=[pCCrossProcessClientOutputEndpoint] WriteOffset=[WriteOffset] ReadOffset=[ReadOffset] BytesTo...

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
CPClientOutputEndpoint_ReadPointerOverwrite

Description

Engine Glitch: CP Client Output Endpoint - Read Pointer Overwrite: pCCrossProcessClientOutputEndpoint=[pCCrossProcessClientOutputEndpoint] WriteOffset=[WriteOffset] ReadOffset=[ReadOffset] BytesToWrite=[BytesToWrite] EndOfDataOffset=[EndOfDataOffset].

Message #

Engine Glitch: CP Client Output Endpoint - Read Pointer Overwrite: pCCrossProcessClientOutputEndpoint=[%1] WriteOffset=[%2] ReadOffset=[%3] BytesToWrite=[%4] EndOfDataOffset=[%5]

Fields #

NameDescription
pCCrossProcessClientOutputEndpoint Pointer
WriteOffset UInt32
ReadOffset UInt32
BytesToWrite UInt32
EndOfDataOffset UInt32

Event ID 33: Engine Glitch: CP Server Input Endpoint - Starvation: pCCrossProcessServerInputEndpoint=[pCCrossProcessServerInputEndpoint] WriteOffset=[WriteOffset] ReadOffset=[ReadOffset] BufferSize=[BufferSize]...

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
CPServerInputEndpoint_Starvation

Description

Engine Glitch: CP Server Input Endpoint - Starvation: pCCrossProcessServerInputEndpoint=[pCCrossProcessServerInputEndpoint] WriteOffset=[WriteOffset] ReadOffset=[ReadOffset] BufferSize=[BufferSize] BytesAvail=[BytesAvailable].

Message #

Engine Glitch: CP Server Input Endpoint - Starvation: pCCrossProcessServerInputEndpoint=[%1] WriteOffset=[%2] ReadOffset=[%3] BufferSize=[%4] BytesAvail=[%5]

Fields #

NameDescription
pCCrossProcessServerInputEndpoint Pointer
WriteOffset UInt32
ReadOffset UInt32
BufferSize UInt32
BytesAvailable UInt32

Event ID 34: Engine Glitch: CP Server Output Endpoint - Queue Full Packet Drop: pCCrossProcessServerOutputEndpoint=[pCCrossProcessServerOutputEndpoint] WritePos=[WriteBytePos] DroppedBytes=[DroppedBytes] ReadPo...

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
CPServerOutputEndpoint_QueueFullPacketDrop

Description

Engine Glitch: CP Server Output Endpoint - Queue Full Packet Drop: pCCrossProcessServerOutputEndpoint=[pCCrossProcessServerOutputEndpoint] WritePos=[WriteBytePos] DroppedBytes=[DroppedBytes] ReadPos=[ReadBytePos] BytesToWrite=[BytesToWrite].

Message #

Engine Glitch: CP Server Output Endpoint - Queue Full Packet Drop: pCCrossProcessServerOutputEndpoint=[%1] WritePos=[%2] DroppedBytes=[%3] ReadPos=[%4] BytesToWrite=[%5]

Fields #

NameDescription
pCCrossProcessServerOutputEndpoint Pointer
WriteBytePos UInt64
DroppedBytes UInt32
ReadBytePos UInt64
BytesToWrite UInt32

Event ID 35: Engine Glitch: CP Server Output Endpoint - Read Pointer Overwrite: pCCrossProcessServerOutputEndpoint=[pCCrossProcessServerOutputEndpoint] WriteOffset=[WriteOffset] ReadOffset=[ReadOffset] BytesTo...

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
CPServerOutputEndpoint_ReadPointerOverwrite

Description

Engine Glitch: CP Server Output Endpoint - Read Pointer Overwrite: pCCrossProcessServerOutputEndpoint=[pCCrossProcessServerOutputEndpoint] WriteOffset=[WriteOffset] ReadOffset=[ReadOffset] BytesToWrite=[BytesToWrite].

Message #

Engine Glitch: CP Server Output Endpoint - Read Pointer Overwrite: pCCrossProcessServerOutputEndpoint=[%1] WriteOffset=[%2] ReadOffset=[%3] BytesToWrite=[%4]

Fields #

NameDescription
pCCrossProcessServerOutputEndpoint Pointer
WriteOffset UInt32
ReadOffset UInt32
BytesToWrite UInt32

Event ID 36: KS Endpoint Glitch: IOMGR No Outstanding Packets: pOwner=[pOwner] NextStreamingPacketToComplete=[NextStreamingPacketToComplete] MaxPacketCount=[MaxPacketCount].

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
IOMGRNoOutstandingPackets

Message #

KS Endpoint Glitch: IOMGR No Outstanding Packets: pOwner=[%1] NextStreamingPacketToComplete=[%2] MaxPacketCount=[%3]

Fields #

NameDescription
pOwner Pointer
NextStreamingPacketToComplete UInt32
MaxPacketCount UInt32

Event ID 37: KS Endpoint Glitch: IOMGR Ioctl Time Limit Exceeded: pOwner=[pOwner] DeltaHNS=[IoctlTimeHNS].

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
IOMGRIoctlTimeLimitExceeded

Message #

KS Endpoint Glitch: IOMGR Ioctl Time Limit Exceeded: pOwner=[%1] DeltaHNS=[%2]

Fields #

NameDescription
pOwner Pointer
IoctlTimeHNS UInt64

Event ID 38: KS Endpoint Glitch: BASE Output Unexpected Buffer Completed: pCAudioBasePin=[pCAudioBasePin] LockedDataPointer=[pLockedDataPointer] bLockedEqualsUnrolled=[bLockedEqualsUnrolled].

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
BASEOutputUnexpectedBufferCompleted

Message #

KS Endpoint Glitch: BASE Output Unexpected Buffer Completed: pCAudioBasePin=[%1] LockedDataPointer=[%2] bLockedEqualsUnrolled=[%3]

Fields #

NameDescription
pCAudioBasePin Pointer
pLockedDataPointer Pointer
bLockedEqualsUnrolled Boolean

Event ID 39: KS Endpoint Glitch: BASE Input Null Last Buffer with LockedData !

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
BASEInputNullLastBufferwithLockedData!=LoopedBuffer

Description

KS Endpoint Glitch: BASE Input Null Last Buffer with LockedData != LoopedBuffer: pCAudioBasePin=[pCAudioBasePin] LockedDataPointer=[LockedDataPointer].

Message #

KS Endpoint Glitch: BASE Input Null Last Buffer with LockedData != LoopedBuffer: pCAudioBasePin=[%1] LockedDataPointer=[%2]

Fields #

NameDescription
pCAudioBasePin Pointer
LockedDataPointer Pointer

Event ID 40: KS Endpoint Glitch: BASE Input Buffer Index Mismatch: pCAudioBasePin=[pCAudioBasePin] LockedDataPointer=[LockedDataPointer].

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
BASEInputBufferIndexMismatch

Message #

KS Endpoint Glitch: BASE Input Buffer Index Mismatch: pCAudioBasePin=[%1] LockedDataPointer=[%2]

Fields #

NameDescription
pCAudioBasePin Pointer
LockedDataPointer Pointer

Event ID 41: KS Endpoint Glitch: BASE End Glitch: pCAudioBasePin=[pCAudioBasePin] StreamPosition=[GlitchStreamPosition] GlitchDuration=[GlitchDuration].

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
BASEEndGlitch

Message #

KS Endpoint Glitch: BASE End Glitch: pCAudioBasePin=[%1] StreamPosition=[%2] GlitchDuration=[%3]

Fields #

NameDescription
pCAudioBasePin Pointer
GlitchStreamPosition UInt64
GlitchDuration UInt32

Event ID 42: KS Endpoint Glitch: RTCAP StreamPos Ahead of HW Pos: pCAudioCapturePinRealtimeStreaming=[pCAudioCapturePinRealtimeStreaming] WritePos=[WritePosition] PlayPos=[PlayPosition] StreamPos=[StreamPositio...

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
RTCAPStreamPosAheadofHWPos

Description

KS Endpoint Glitch: RTCAP StreamPos Ahead of HW Pos: pCAudioCapturePinRealtimeStreaming=[pCAudioCapturePinRealtimeStreaming] WritePos=[WritePosition] PlayPos=[PlayPosition] StreamPos=[StreamPosition] StreamPosMinusReadPos=[StreamPosMinusReadPos].

Message #

KS Endpoint Glitch: RTCAP StreamPos Ahead of HW Pos: pCAudioCapturePinRealtimeStreaming=[%1] WritePos=[%2] PlayPos=[%3] StreamPos=[%4] StreamPosMinusReadPos=[%5]

Fields #

NameDescription
pCAudioCapturePinRealtimeStreaming Pointer
WritePosition UInt64
PlayPosition UInt64
StreamPosition UInt64
StreamPosMinusReadPos UInt64

Event ID 43: KS Endpoint Glitch: RTCAP StreamPos Too Far Behind: pCAudioCapturePinRealtimeStreaming=[pCAudioCapturePinRealtimeStreaming] WritePos=[WritePosition] PlayPos=[PlayPosition] StreamPos=[StreamPosition...

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
RTCAPStreamPosTooFarBehind

Description

KS Endpoint Glitch: RTCAP StreamPos Too Far Behind: pCAudioCapturePinRealtimeStreaming=[pCAudioCapturePinRealtimeStreaming] WritePos=[WritePosition] PlayPos=[PlayPosition] StreamPos=[StreamPosition] ReadPosMinusStreamPos=[ReadPosMinusStreamPos].

Message #

KS Endpoint Glitch: RTCAP StreamPos Too Far Behind: pCAudioCapturePinRealtimeStreaming=[%1] WritePos=[%2] PlayPos=[%3] StreamPos=[%4] ReadPosMinusStreamPos=[%5]

Fields #

NameDescription
pCAudioCapturePinRealtimeStreaming Pointer
WritePosition UInt64
PlayPosition UInt64
StreamPosition UInt64
ReadPosMinusStreamPos UInt64

Event ID 44: KS Endpoint Glitch: RTREN WritePos Exceeds TotalPos: pCAudioRenderPinRealtimeStreaming=[pCAudioRenderPinRealtimeStreaming] WritePos=[WritePosition] PlayPos=[PlayPosition] TotalPos=[TotalPosition] W...

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
RTRENWritePosExceedsTotalPos

Description

KS Endpoint Glitch: RTREN WritePos Exceeds TotalPos: pCAudioRenderPinRealtimeStreaming=[pCAudioRenderPinRealtimeStreaming] WritePos=[WritePosition] PlayPos=[PlayPosition] TotalPos=[TotalPosition] WritePosMinusTotalPos=[WritePosMinusTotalPos].

Message #

KS Endpoint Glitch: RTREN WritePos Exceeds TotalPos: pCAudioRenderPinRealtimeStreaming=[%1] WritePos=[%2] PlayPos=[%3] TotalPos=[%4] WritePosMinusTotalPos=[%5]

Fields #

NameDescription
pCAudioRenderPinRealtimeStreaming Pointer
WritePosition UInt64
PlayPosition UInt64
TotalPosition UInt64
WritePosMinusTotalPos UInt64

Event ID 45: KS Endpoint Glitch: STCAP Capture Ahead: pCAudioCapturePinStandardStreaming=[pCAudioCapturePinStandardStreaming] ValidPosEnd=[ValidPositionEnd] ValidPosStart=[ValidPositionStart] StreamPos=[StreamP...

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
STCAPCaptureAhead

Description

KS Endpoint Glitch: STCAP Capture Ahead: pCAudioCapturePinStandardStreaming=[pCAudioCapturePinStandardStreaming] ValidPosEnd=[ValidPositionEnd] ValidPosStart=[ValidPositionStart] StreamPos=[StreamPosition] StreamPosMinusValidPosEnd=[StreamPosMinusValidPosEnd].

Message #

KS Endpoint Glitch: STCAP Capture Ahead: pCAudioCapturePinStandardStreaming=[%1] ValidPosEnd=[%2] ValidPosStart=[%3] StreamPos=[%4] StreamPosMinusValidPosEnd=[%5]

Fields #

NameDescription
pCAudioCapturePinStandardStreaming Pointer
ValidPositionEnd UInt64
ValidPositionStart UInt64
StreamPosition UInt64
StreamPosMinusValidPosEnd UInt64

Event ID 46: KS Endpoint Glitch: STCAP Capture Behind: pCAudioCapturePinStandardStreaming=[pCAudioCapturePinStandardStreaming] ValidPosEnd=[ValidPositionEnd] ValidPosStart=[ValidPositionStart] StreamPos=[Stream...

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
STCAPCaptureBehind

Description

KS Endpoint Glitch: STCAP Capture Behind: pCAudioCapturePinStandardStreaming=[pCAudioCapturePinStandardStreaming] ValidPosEnd=[ValidPositionEnd] ValidPosStart=[ValidPositionStart] StreamPos=[StreamPosition] ValidPosStartMinusStreamPos=[ValidPosStartMinusStreamPos].

Message #

KS Endpoint Glitch: STCAP Capture Behind: pCAudioCapturePinStandardStreaming=[%1] ValidPosEnd=[%2] ValidPosStart=[%3] StreamPos=[%4] ValidPosStartMinusStreamPos=[%5]

Fields #

NameDescription
pCAudioCapturePinStandardStreaming Pointer
ValidPositionEnd UInt64
ValidPositionStart UInt64
StreamPosition UInt64
ValidPosStartMinusStreamPos UInt64

Event ID 47: KS Endpoint Glitch: STCAP Device Starved: pCAudioCapturePinStandardStreaming=[pCAudioCapturePinStandardStreaming] StreamPos=[StreamPosition] FrameCount=[FrameCount].

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
STCAPDeviceStarved

Message #

KS Endpoint Glitch: STCAP Device Starved: pCAudioCapturePinStandardStreaming=[%1] StreamPos=[%2] FrameCount=[%3]

Fields #

NameDescription
pCAudioCapturePinStandardStreaming Pointer
StreamPosition UInt64
FrameCount UInt32

Event ID 48: KS Endpoint Glitch: STREN Device Starved: pCAudioRenderPinStandardStreaming=[pCAudioRenderPinStandardStreaming] DevicePos=[DevicePosition] StreamPos=[StreamPosition] AvailFrames=[AvailableFrames].

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
STRENDeviceStarved

Message #

KS Endpoint Glitch: STREN Device Starved: pCAudioRenderPinStandardStreaming=[%1] DevicePos=[%2] StreamPos=[%3] AvailFrames=[%4]

Fields #

NameDescription
pCAudioRenderPinStandardStreaming Pointer
DevicePosition UInt64
StreamPosition UInt64
AvailableFrames UInt32

Event ID 49: KS Endpoint Glitch: STREN EXCL PULL Invalid Buffer Count: pCAudioRenderPinStandardStreaming=[pCAudioRenderPinStandardStreaming] DevicePos=[DevicePosition] StreamPos=[StreamPosition] AvailFrames=[Av...

#
Channel
GlitchDetection
Task
Audio_Glitch_Detection
Opcode
STRENEXCLPULLInvalidBufferCount

Description

KS Endpoint Glitch: STREN EXCL PULL Invalid Buffer Count: pCAudioRenderPinStandardStreaming=[pCAudioRenderPinStandardStreaming] DevicePos=[DevicePosition] StreamPos=[StreamPosition] AvailFrames=[AvailableFrames].

Message #

KS Endpoint Glitch: STREN EXCL PULL Invalid Buffer Count: pCAudioRenderPinStandardStreaming=[%1] DevicePos=[%2] StreamPos=[%3] AvailFrames=[%4]

Fields #

NameDescription
pCAudioRenderPinStandardStreaming Pointer
DevicePosition UInt64
StreamPosition UInt64
AvailableFrames UInt32

Event ID 50: System effect initialized: CLSID=[APOCLSID] AudioSignalProcessingMode=[AudioSignalProcessingMode] InitializeForDiscoveryOnly=[InitializeForDiscoveryOnly].

#
Channel
Informational
Task
System_Effect_APO_Initialized

Message #

System effect initialized: CLSID=[%1] AudioSignalProcessingMode=[%2] InitializeForDiscoveryOnly=[%3]

Fields #

NameDescription
APOCLSID GUID
AudioSignalProcessingMode GUID
InitializeForDiscoveryOnly Boolean

Event ID 51: Volume limit event signalled to audiosrv enter

#
Channel
Informational
Task
AudioSrv_EVT_VOLUME_LIMIT_CHANGED_ENTER

Fields #

NameDescription
objectpointer Pointer

Event ID 52: Volume limit event signalled to audiosrv exit

#
Channel
Informational
Task
AudioSrv_EVT_VOLUME_LIMIT_CHANGED_EXIT

Fields #

NameDescription
objectpointer Pointer
hr UInt32

Event ID 53: AudioSrv published AVLC state

#
Channel
Informational
Task
AudioSrv_EVT_VOLUME_LIMIT_PUBLISH_WNF_AVLC_STATE

Fields #

NameDescription
objectpointer Pointer

Event ID 54: AudioSrv calls PdcActivationClientRegister

#
Channel
Informational

Event ID 55: AudioSrv calls PdcActivationClientUnregister

#
Channel
Informational

Event ID 56: AudioSrv calls PdcActivationClientTakeTimerReference

#
Channel
Informational

Event ID 57: AudioSrv calls PdcActivationClientReleaseTimerReference

#
Channel
Informational

Event ID 58: MMDevAPI: Default device changed triggered

#
Channel
Informational
Task
AudioCore_EVT_MMDevAPI
Opcode
Defaultdevicechangedtriggered

Fields #

NameDescription
flow UInt32
role UInt32
TargetProcessId UInt32Process ID of the target process.

Event ID 59: MMDevAPI: OnMediaNotification Enter

#
Channel
Informational
Task
AudioCore_EVT_MMDevAPI
Opcode
Start

Fields #

NameDescription
object Pointer

Event ID 60: MMDevAPI: OnMediaNotification Exit

#
Channel
Informational
Task
AudioCore_EVT_MMDevAPI
Opcode
Stop

Fields #

NameDescription
object Pointer

Event ID 61: MMDevAPI: DeviceStateChanged callback

#
Channel
Informational
Task
AudioCore_EVT_MMDevAPI
Opcode
DeviceStateChangedcallback

Fields #

NameDescription
object Pointer
NewState UInt32

Event ID 62: MMDevAPI: DeviceAdded callback

#
Channel
Informational
Task
AudioCore_EVT_MMDevAPI
Opcode
DeviceAddedcallback

Fields #

NameDescription
object Pointer

Event ID 63: MMDevAPI: DeviceRemoved callback

#
Channel
Informational
Task
AudioCore_EVT_MMDevAPI
Opcode
DeviceRemovedcallback

Fields #

NameDescription
object Pointer

Event ID 64: MMDevAPI: DefaultDeviceChanged callback

#
Channel
Informational
Task
AudioCore_EVT_MMDevAPI
Opcode
DefaultDeviceChangedcallback

Fields #

NameDescription
object Pointer
flow UInt32
role UInt32

Event ID 65: MMDevAPI: Audio device state changed

#
Channel
Operational
Task
AudioCore_EVT_MMDevAPI
Opcode
Audiodevicestatechanged

Fields #

NameDescription
DeviceName UnicodeString
DeviceId UnicodeString
flow UInt32
NewState UInt32

Event ID 101: MidiRT: Application Suspension Handler

#
Channel
Informational
Task
AudioCore_EVT_MidiRT
Opcode
ApplicationSuspensionHandler

Fields #

NameDescription
object Pointer

Event ID 102: MidiRT: Application Resume Handler

#
Channel
Informational
Task
AudioCore_EVT_MidiRT
Opcode
ApplicationResumeHandler

Fields #

NameDescription
object Pointer

Event ID 103: MidiRT: Application Entering CS Handler

#
Channel
Informational
Task
AudioCore_EVT_MidiRT
Opcode
ApplicationEnteringCSHandler

Fields #

NameDescription
object Pointer

Event ID 104: MidiRT: Application Resuming from CS Handler

#
Channel
Informational
Task
AudioCore_EVT_MidiRT
Opcode
ApplicationResumingfromCSHandler

Fields #

NameDescription
object Pointer

Event ID 105: MidiRT: Device Removal Handler

#
Channel
Informational
Task
AudioCore_EVT_MidiRT
Opcode
DeviceRemovalHandler

Fields #

NameDescription
object Pointer

Event ID 106: MidiRT: Cleanup and release device handle

#
Channel
Informational
Task
AudioCore_EVT_MidiRT
Opcode
Cleanupandreleasedevicehandle

Fields #

NameDescription
object Pointer

Event ID 107: MidiRT: Close handle to MIDI Device

#
Channel
Informational
Task
AudioCore_EVT_MidiRT
Opcode
ClosehandletoMIDIDevice

Fields #

NameDescription
object Pointer

Event ID 108: MidiRT: Begin binding to DeviceId: DeviceId.

#
Channel
Informational
Task
MidiRT:Trytoopendeviceahandleonthedevice
Opcode
Start

Message #

MidiRT: Begin binding to DeviceId: %1

Fields #

NameDescription
DeviceId UnicodeString
object Pointer

Event ID 109: MidiRT: Done binding to device interface

#
Channel
Informational
Task
MidiRT:Trytoopendeviceahandleonthedevice
Opcode
Stop

Fields #

NameDescription
object Pointer
hResult UInt32

Event ID 110: MidiRT: Create new MidiPortDeviceIoControl

#
Channel
Informational
Task
AudioCore_EVT_MidiRT
Opcode
CreatenewMidiPortDeviceIoControl

Fields #

NameDescription
DeviceId UnicodeString
object Pointer

Event ID 111: MidiRT: Beginning Synchronous I/O

#
Channel
Informational
Task
MidiRT:PerformSynchronousI/O
Opcode
Start

Fields #

NameDescription
object Pointer
ioControlCode UInt32

Event ID 112: MidiRT: Done with synchronous I/O

#
Channel
Informational
Task
MidiRT:PerformSynchronousI/O
Opcode
Stop

Fields #

NameDescription
object Pointer
hResult UInt32

Event ID 113: MidiRT: Beginning Asynchronous I/O

#
Channel
Informational
Task
MidiRT:PerformAsynchronousI/O
Opcode
Start

Fields #

NameDescription
object Pointer
ioControlCode UInt32

Event ID 114: MidiRT: Done with Asynchronous I/O

#
Channel
Informational
Task
MidiRT:PerformAsynchronousI/O
Opcode
Stop

Fields #

NameDescription
object Pointer
hResult UInt32

Event ID 115: CrossProcess packet added

#
Channel
Informational
Task
CrossProcesspacketadded

Fields #

NameDescription
CrossProcessInstance Pointer
ReadIndex UInt32
WriteIndexIndex UInt32
FramesInPacket UInt32
QPC UInt64

Event ID 116: Pump: setting deadline

#
Channel
Performance
Task
Pump:settingdeadline

Fields #

NameDescription
PumpInstance Pointer
TaskGroup UInt32
SoftDeadlineHns Int64
HardDeadlineHns Int64
success Boolean

Event ID 117: Pump: cancelling deadline

#
Channel
Performance
Task
Pump:cancellingdeadline

Fields #

NameDescription
PumpInstance Pointer
TaskGroup UInt32
Hns Int64
success Boolean

Event ID 118: Pump: missed deadline!

#
Channel
Performance
Task
Pump:misseddeadline!

Fields #

NameDescription
PumpInstance Pointer
TaskGroup UInt32
Hns Int64
success Boolean

Event ID 119: Pump: Start - setting MultimediMode to AVRT_MULTIMEDIA_MODE_BUFFERING

#
Channel
Performance
Task
Pump:MultiMediamode
Opcode
Start

Fields #

NameDescription
PumpInstance Pointer
TaskGroup UInt32
Hns Int64
success Boolean

Event ID 120: Pump: Stop - setting MultimediMode to AVRT_MULTIMEDIA_MODE_IDLE

#
Channel
Performance
Task
Pump:MultiMediamode
Opcode
Stop

Fields #

NameDescription
PumpInstance Pointer
TaskGroup UInt32
Hns Int64
success Boolean

Event ID 121: Discovering EndpointCharacteristics for [Endpoint Id].

#
Channel
Performance
Task
EndpointCharacteristicsDiscovery
Opcode
Start

Message #

Discovering EndpointCharacteristics for [%1]

Fields #

NameDescription
EndpointId UnicodeString

Event ID 122: Discovered EndpointCharacteristics for [Endpoint Id] (hr = hr).

#
Channel
Performance
Task
EndpointCharacteristicsDiscovery
Opcode
Stop

Message #

Discovered EndpointCharacteristics for [%1] (hr = %2)

Fields #

NameDescription
EndpointId UnicodeString
hr HexInt32

Event ID 123: GetMixFormat starting on endpoint [Endpoint Id] (category=category, raw=Raw, matchformat=MatchFormat, connector=ConnectorType).

#
Channel
Performance
Task
GetMixFormatevaluation
Opcode
Start

Message #

GetMixFormat starting on endpoint [%1] (category=%2, raw=%3, matchformat=%4, connector=%5)

Fields #

NameDescription
EndpointId UnicodeString
category UInt32
Raw Boolean
MatchFormat Boolean
ConnectorType UInt32

Event ID 124: GetMixFormat ended

#
Channel
Performance
Task
GetMixFormatevaluation
Opcode
Stop

Event ID 125: IsFormatSupported starting on endpoint [Endpoint Id] (category=category, raw=Raw, matchformat=MatchFormat, connector=ConnectorType).

#
Channel
Performance
Task
IsFormatSupportedevaluation
Opcode
Start

Message #

IsFormatSupported starting on endpoint [%1] (category=%2, raw=%3, matchformat=%4, connector=%5)

Fields #

NameDescription
EndpointId UnicodeString
category UInt32
Raw Boolean
MatchFormat Boolean
ConnectorType UInt32

Event ID 126: IsFormatSupported ended

#
Channel
Performance
Task
IsFormatSupportedevaluation
Opcode
Stop

Event ID 127: Vadserver_CreateStream starting on endpoint [Endpoint Id] (category=category, raw=Raw, matchformat=MatchFormat, connector=ConnectorType).

#
Channel
Performance
Task
StreamCreation
Opcode
Start

Message #

Vadserver_CreateStream starting on endpoint [%1] (category=%2, raw=%3, matchformat=%4, connector=%5)

Fields #

NameDescription
EndpointId UnicodeString
category UInt32
Raw Boolean
MatchFormat Boolean
ConnectorType UInt32

Event ID 128: Vadserver_CreateStream ended

#
Channel
Performance
Task
StreamCreation
Opcode
Stop

Event ID 129: Derived stream settings for stream

#
Channel
Performance
Task
StreamCreation
Opcode
Derivedstreamsettingsforstream

Event ID 130: Created StreamGroup and stream

#
Channel
Performance
Task
StreamCreation
Opcode
CreatedStreamGroupandstream

Event ID 131: Created SaDevice

#
Channel
Performance
Task
StreamCreation
Opcode
CreatedSaDevice

Event ID 132: Connected StreamGroup to SaDevice

#
Channel
Performance
Task
StreamCreation
Opcode
ConnectedStreamGrouptoSaDevice

Event ID 133: CreateDeviceEndpointInstance starting on endpoint [Endpoint Id] (connector=ConnectorType).

#
Channel
Performance
Task
CreateDeviceEndpointInstancetask
Opcode
Start

Message #

CreateDeviceEndpointInstance starting on endpoint [%1] (connector=%2)

Fields #

NameDescription
EndpointId UnicodeString
ConnectorType UInt32

Event ID 134: CreateDeviceEndpointInstance ended

#
Channel
Performance
Task
CreateDeviceEndpointInstancetask
Opcode
Stop

Event ID 135: Pump: Correct Position

#
Channel
Performance
Task
Pump:CorrectPosition

Fields #

NameDescription
PumpInstance Pointer
SampleIndex UInt64
OrigProcessingStart UInt64
NewProcessingStart UInt64
StartCorrection Int64
TimeDelta UInt64
SampleDelta UInt32
DevicePeriod UInt64
ActualDevicePeriod UInt64
WindowWidth_ms UInt64

Event ID 136: Pump: Start - Yield start

#
Channel
Performance
Task
Pump:Yield
Opcode
Start

Fields #

NameDescription
PumpInstance Pointer
uEventMask UInt32

Event ID 137: Pump: Stop - Yield stop

#
Channel
Performance
Task
Pump:Yield
Opcode
Stop

Fields #

NameDescription
PumpInstance Pointer
WakeCategory UInt32
WakeValue UInt32

Event ID 138: Pump: Start - Process start

#
Channel
Performance
Task
Pump:Process
Opcode
Start

Fields #

NameDescription
PumpInstance Pointer
Phase UInt32

Event ID 139: Pump: Stop - Process stop

#
Channel
Performance
Task
Pump:Process
Opcode
Stop

Fields #

NameDescription
PumpInstance Pointer

Event ID 140: Pump: ProcPassDuration

#
Channel
Performance
Task
Pump:ProcPassDuration

Fields #

NameDescription
PumpInstance Pointer
WorkDuration Int64
MaxWorkDuration Int64

Event ID 141: AE Object

#
Channel
Informational
Task
AEObject

Fields #

NameDescription
objInstance Pointer
ucType UInt32

Event ID 142: AE Glitch

#
Channel
Informational
Task
AEGlitch

Fields #

NameDescription
objInstance Pointer
ucType UInt32
WritePosition Int64
PlayPosition UInt64
StreamPosition UInt64
GlitchFrameCount UInt64

Event ID 143: AE Drop

#
Channel
Informational
Task
AEDrop

Fields #

NameDescription
objInstance Pointer
SampleTime UInt64
u64ByteCount UInt64

Event ID 144: AE CPU Usage

#
Channel
Informational
Task
AE CPU Usage
Opcode
Info

Fields #

NameDescription
objInstance Pointer
ucType UInt32

Event ID 145: AE Control

#
Channel
Informational
Task
AEControl

Fields #

NameDescription
objInstance Pointer
ucType UInt32
ProcessTime UInt64

Event ID 146: AE Position

#
Channel
Informational
Task
AEPosition

Fields #

NameDescription
objInstance Pointer
ucType UInt32
WritePosition UInt64
PlayPosition UInt64
StreamPosition UInt64
LoopPosition UInt64

Event ID 147: AE Security

#
Channel
Informational
Task
AESecurity

Fields #

NameDescription
objInstance Pointer

Event ID 148: AE Data

#
Channel
Informational
Task
AEData

Fields #

NameDescription
objInstance Pointer
ucType UInt32
Data1 UInt64
Data2 UInt64
Data3 UInt64

Event ID 149: AE IRP

#
Channel
Informational
Task
AEIRP

Fields #

NameDescription
objInstance Pointer
ucType UInt32
Index UInt32
OutStandingCount UInt32
FrameExtent UInt64

Event ID 150: AE Endpoint

#
Channel
Informational
Task
AEEndpoint

Fields #

NameDescription
objInstance Pointer
ucType UInt32
PinHandle UInt64
FormatTag UInt32
SampleRate UInt32
BitsPerSample UInt32
Channels UInt32
Period UInt32
Latency UInt32
BufferSize UInt32

Event ID 151: AE Interpolator

#
Channel
Informational
Task
AEInterpolator

Fields #

NameDescription
objInstance Pointer
ucType UInt32
InterpolatedPlayPosition UInt64
InterpolatedWritePosition UInt64
RealPlayPosition UInt64
RealWritePosition UInt64
SampleRate Float
FilteredError Float

Event ID 152: AE Timestamp

#
Channel
Informational
Task
AETimestamp

Fields #

NameDescription
objInstance Pointer
ucType UInt32
Flag UInt64
Padding UInt64
QPCPos UInt64
DevPos UInt64
StrmPos UInt64

Event ID 153: AE Performance

#
Channel
Informational
Task
AEPerformance

Fields #

NameDescription
objInstance Pointer
ucType UInt32
Custom1 UInt64
Custom2 UInt64

Event ID 154: AE Generic

#
Channel
Informational
Task
AEGeneric

Fields #

NameDescription
objInstance Pointer
ucType UInt32
u64Param1 UInt64
u64Param2 UInt64
u64Param3 UInt64
u64Param4 UInt64
f64Param1 Float
f64Param2 Float
f64Param3 Float
f64Param4 Float

Event ID 155: AE Memory

#
Channel
Informational
Level
Verbose
Task
AEMemory

Fields #

NameDescription
objInstance Pointer
ucType UInt32
hHeap Pointer
ulInitial UInt32
ulMin UInt32
ulMax UInt32
ulAllocCount UInt32
ulExtendCount UInt32
ulTotalAlloc UInt32

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Audio",
    "guid": "AE4BD3BE-F36F-45B6-8D21-BDD6FB832853",
    "event_source_name": "",
    "event_id": 155,
    "version": 0,
    "level": 5,
    "task": 162,
    "opcode": 0,
    "keywords": 144115188075855872,
    "time_created": "2026-03-13T20:31:02.009926+00:00",
    "event_record_id": 1,
    "correlation": {},
    "execution": {
      "process_id": 8868,
      "thread_id": 1992
    },
    "channel": "Microsoft-Windows-Audio/Informational",
    "computer": "LAB-WIN11.ludus.domain",
    "security": {
      "user_id": "S-1-5-18"
    }
  },
  "event_data": {
    "objInstance": "0x0",
    "ucType": 2,
    "hHeap": "0x2e0",
    "ulInitial": 0,
    "ulMin": 0,
    "ulMax": 0,
    "ulAllocCount": 0,
    "ulExtendCount": 0,
    "ulTotalAlloc": 0
  },
  "message": ""
}

Event ID 156: AE Memory

#
Channel
Informational
Task
AEMemory_163

Fields #

NameDescription
objInstance Pointer
ucType UInt32
u64Param1 UInt64
u64Param2 UInt64
u64Param3 UInt64
u64Param4 UInt64

Event ID 157: AE Memory

#
Channel
Informational
Task
AEMemory_164

Fields #

NameDescription
objInstance Pointer
ucType UInt32
u64Param1 UInt64
u64Param2 UInt64
u64Param3 UInt64
u64Param4 UInt64

Event ID 158: SetCurrentTimeStamp

#
Channel
Informational
Task
SetCurrentTimeStamp

Fields #

NameDescription
objInstance Pointer
AEPositionFlag UInt32
EndpointFlags UInt32
PaddingFrames UInt64
Qpc UInt64
DevicePosition UInt64
StreamPosition UInt64

Event ID 159: Writing history packet

#
Channel
Informational
Task
Writinghistorypacket

Fields #

NameDescription
objInstance Pointer
FrameCount UInt32
ApoBufferFlags UInt32
Qpc UInt64

Event ID 160: Signal pump pass completion

#
Channel
Informational
Task
Signalpumppasscompletion

Fields #

NameDescription
objInstance Pointer
ClientProcessId UInt32
EventHandle Pointer

Event ID 161: Pump: Processing pass skipped

#
Channel
Informational
Task
Pump:Processingpassskipped

Fields #

NameDescription
objInstance Pointer
DurationToProcess Int64

Event ID 162: Pump: GetCurrentPadding Start

#
Channel
Performance
Task
Pump:GetCurrentPadding
Opcode
Start

Fields #

NameDescription
PumpInstance Pointer

Event ID 163: Pump: GetCurrentPadding Stop

#
Channel
Performance
Task
Pump:GetCurrentPadding
Opcode
Stop

Fields #

NameDescription
PumpInstance Pointer
CurrentPadding UInt64
DurationToProcess UInt64

Event ID 164: AE APO CalcInputFrames

#
Channel
Informational
Task
AEAPOCalcInputFrames
Opcode
Start

Fields #

NameDescription
objInstance Pointer
APO_CLSID GUID

Event ID 165: AE APO CalcInputFrames

#
Channel
Informational
Task
AEAPOCalcInputFrames
Opcode
Stop

Fields #

NameDescription
objInstance Pointer
APO_CLSID GUID

Event ID 166: AE APO Process

#
Channel
Informational
Task
AEAPOProcess
Opcode
Start

Fields #

NameDescription
objInstance Pointer
APO_CLSID GUID

Event ID 167: AE APO Process

#
Channel
Informational
Task
AEAPOProcess
Opcode
Stop

Fields #

NameDescription
objInstance Pointer
APO_CLSID GUID

Event ID 168: Pump: Start - skipping setting MultimediMode to AVRT_MULTIMEDIA_MODE_BUFFERING

#
Channel
Performance
Task
Pump:MultiMediamodeskipped
Opcode
Start

Fields #

NameDescription
PumpInstance Pointer
TaskGroup UInt32
Hns Int64
success Boolean

Event ID 169: Pump: Stop - skipping setting MultimediMode to AVRT_MULTIMEDIA_MODE_IDLE

#
Channel
Performance
Task
Pump:MultiMediamodeskipped
Opcode
Stop

Fields #

NameDescription
PumpInstance Pointer
TaskGroup UInt32
Hns Int64
success Boolean

Event ID 170: Pump: TimedSpin Start

#
Channel
Performance
Task
Pump:TimedSpin
Opcode
Start

Fields #

NameDescription
PumpInstance Pointer
Duration UInt32

Event ID 171: Pump: TimedSpin Stop

#
Channel
Performance
Task
Pump:TimedSpin
Opcode
Stop

Fields #

NameDescription
PumpInstance Pointer
Duration UInt32

Event ID 172: Pump: Attach to MMCSS Start

#
Channel
Performance
Task
Pump:AttachtoMMCSS
Opcode
Start

Fields #

NameDescription
TaskGroupID UInt32
threadID UInt32

Event ID 173: Pump: Attach to MMCSS Stop

#
Channel
Performance
Task
Pump:AttachtoMMCSS
Opcode
Stop

Fields #

NameDescription
TaskGroupID UInt32
threadID UInt32

Event ID 174: Pump: Init RTMode

#
Channel
Performance
Task
Pump:InitRTMode

Fields #

NameDescription
objInstance Pointer
RTMode UInt32
ProAudio Boolean
PumpQueueID UInt32
PumpTaskID UInt32
APOQueueID UInt32
APOTaskID UInt32

Event ID 175: Pump: CreateLocalWorkQueue RTMode

#
Channel
Performance
Task
Pump:CreateLocalWorkQueue

Fields #

NameDescription
objInstance Pointer
QueueID UInt32
TaskID UInt32

Event ID 176: Pump: GetAPOWorkqueue

#
Channel
Performance
Task
Pump:GetAPOWorkqueue

Fields #

NameDescription
objInstance Pointer
RTMode UInt32
APOQueueID UInt32
APOTaskID UInt32

Event ID 177: Received console locked notification

#
Channel
Operational
Task
EVT_Console_Locked_task

Fields #

NameDescription
SessionId UInt32
ConsoleLocked Boolean
ChangeInLockStatus Boolean

Event ID 178: Global user presence detected

#
Channel
Operational
Level
Informational
Task
EVT_GlobalUser_Presence_task

Fields #

NameDescription
SessionId UInt32

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Audio",
    "event_id": 178,
    "level": 4,
    "task": 178,
    "opcode": 0,
    "time_created": "2026-05-27T20:01:08.8393680+00:00",
    "computer": "DESKTOP-FF3N5XK.ludus.domain",
    "channel": "Microsoft-Windows-Audio"
  },
  "event_data": {
    "SessionId": "1"
  }
}

Event ID 179: Received session display notification

#
Channel
Operational
Level
Informational
Task
EVT_Session_Display_State_task

Fields #

NameDescription
SessionId UInt32
SessionDisplayOn Boolean
ChangeInSessionDisplayStatus Boolean

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Audio",
    "event_id": 179,
    "level": 4,
    "task": 179,
    "opcode": 0,
    "time_created": "2026-05-27T20:01:08.8498129+00:00",
    "computer": "DESKTOP-FF3N5XK.ludus.domain",
    "channel": "Microsoft-Windows-Audio"
  },
  "event_data": {
    "SessionDisplayOn": "true",
    "ChangeInSessionDisplayStatus": "false",
    "SessionId": "1"
  }
}

Event ID 180: Received Po AudioStandby request

#
Channel
Operational
Level
Informational
Task
EVT_Po_AudioStandby_Request_task

Fields #

NameDescription
AudioStandbyPolicy UInt32

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Audio",
    "event_id": 180,
    "level": 4,
    "task": 180,
    "opcode": 0,
    "time_created": "2026-05-27T19:31:58.6926818+00:00",
    "computer": "DESKTOP-FF3N5XK.ludus.domain",
    "channel": "Microsoft-Windows-Audio"
  },
  "event_data": {
    "AudioStandbyPolicy": "1"
  }
}

Provenance

ETW provider GUID ae4bd3be-f36f-45b6-8d21-bdd6fb832853

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

  • WS2022-20348.4893, schema read from the registered manifest, binary version 10.0.20348.1, captured 2026-06-02 — Manifest XML pack, 1.9 MB
  • Win11-26200.6584, schema read from the registered manifest, binary version 10.0.26100.1, captured 2026-06-02 — Manifest XML pack, 2.0 MB