ue5-wwise-setup

Installation

SKILL.md

Wwise Setup — WAAPI HTTP Automation

Set up complete Wwise projects programmatically: bus hierarchies, RTPCs, switches, events, SoundBanks, and AudioLink routing.

WAAPI HTTP API (Port 8090)

All calls use curl -s -X POST http://127.0.0.1:8090/waapi with JSON body:

{
  "uri": "ak.wwise.core.object.create",
  "args": { ... },
  "options": {}
}

Key format rules:

args contains the call parameters
options is top-level (NOT inside args), used for return fields
return goes in options, NOT in args
Always include "options": {} even if empty
Object paths use backslashes: \\Busses\\Default Work Unit\\Main Audio Bus

Return Fields

{
  "uri": "ak.wwise.core.object.get",
  "args": { "from": {"id": ["{GUID}"]} },
  "options": { "return": ["id", "name", "type", "path"] }
}

Core WAAPI Operations

Create Object

curl -s -X POST http://127.0.0.1:8090/waapi -H "Content-Type: application/json" -d '{
  "uri": "ak.wwise.core.object.create",
  "args": {
    "parent": "\\Busses\\Default Work Unit\\Main Audio Bus",
    "type": "Bus",
    "name": "SFX",
    "onNameConflict": "merge"
  },
  "options": {}
}'

Set Property

curl -s -X POST http://127.0.0.1:8090/waapi -d '{
  "uri": "ak.wwise.core.object.setProperty",
  "args": {"object": "{GUID}", "property": "Volume", "value": -6.0},
  "options": {}
}'

Set Reference (e.g. OutputBus)

curl -s -X POST http://127.0.0.1:8090/waapi -d '{
  "uri": "ak.wwise.core.object.setReference",
  "args": {"object": "{GUID}", "reference": "OutputBus", "value": "{BUS_GUID}"},
  "options": {}
}'

Delete Object

curl -s -X POST http://127.0.0.1:8090/waapi -d '{
  "uri": "ak.wwise.core.object.delete",
  "args": {"object": "{GUID}"},
  "options": {}
}'

Search / Query

# By ID
"from": {"id": ["{GUID}"]}

# By type
"from": {"ofType": ["Event"]}

# Text search
"from": {"search": ["AudioLink"]}

# By path
"from": {"path": ["\\Events\\Default Work Unit"]}

# Children of object
"transform": [{"select": ["children"]}]

Save Project

curl -s -X POST http://127.0.0.1:8090/waapi -d '{
  "uri": "ak.wwise.core.project.save", "args": {}, "options": {}
}'

Bus Hierarchy Setup

Standard game audio bus hierarchy (template):

Main Audio Bus
├── SFX
│   ├── Player
│   │   ├── Footsteps
│   │   └── Foley
│   ├── Weapons
│   │   ├── Weapons_Rifle
│   │   ├── Weapons_Shotgun
│   │   └── Weapons_Pistol
│   ├── Impacts
│   └── Meta_Footsteps
├── NPC
│   ├── NPC_Footsteps
│   ├── NPC_Vocals
│   └── NPC_Actions
├── Ambient
│   ├── General_SoundBed
│   ├── Location_A
│   └── Location_B
├── Music
├── VO
└── AudioLink
    ├── AudioLink_Footsteps
    ├── AudioLink_Weapons
    └── AudioLink_Ambient

AuxBusses (reverb sends — 3 room types):

Reverb_Small — tight room, short tail (0.4-0.8s RT60), hut/closet
Reverb_Medium — standard room, mid tail (1.0-1.8s RT60), house/cave
Reverb_Large — hall/cathedral, long tail (2.5-5.0s RT60), temple/warehouse

Python automation pattern:

import subprocess, json

def waapi(uri, args):
    payload = json.dumps({"uri": uri, "args": args, "options": {}})
    r = subprocess.run(["curl", "-s", "-X", "POST", "http://127.0.0.1:8090/waapi",
                       "-H", "Content-Type: application/json", "-d", payload],
                      capture_output=True, text=True)
    return json.loads(r.stdout)

# Create bus under Main Audio Bus
result = waapi("ak.wwise.core.object.create", {
    "parent": "\\Busses\\Default Work Unit\\Main Audio Bus",
    "type": "Bus", "name": "SFX", "onNameConflict": "merge"
})
bus_id = result["id"]

RTPC (Game Parameters)

Create Game Parameter

waapi("ak.wwise.core.object.create", {
    "parent": "\\Game Parameters\\Default Work Unit",
    "type": "GameParameter", "name": "Distance",
    "onNameConflict": "merge"
})

Key game parameters:

Distance — Player-to-source distance
FootstepIntensity — Movement speed
CombatIntensity — Combat state
PlayerHealth — Health percentage
Surface — Surface type (0-1)
WeaponFireRate — Firing rate
MusicVolume — Music mix level
ReverbSend — Reverb wet amount

Switches & States

Switch Group

# Create switch group
waapi("ak.wwise.core.object.create", {
    "parent": "\\Switches\\Default Work Unit",
    "type": "SwitchGroup", "name": "Surface",
    "onNameConflict": "merge"
})
# Create switch values
for surface in ["Concrete", "Glass", "Metal", "Wood", "Dirt"]:
    waapi("ak.wwise.core.object.create", {
        "parent": "\\Switches\\Default Work Unit\\Surface",
        "type": "Switch", "name": surface,
        "onNameConflict": "merge"
    })

State Group

waapi("ak.wwise.core.object.create", {
    "parent": "\\States\\Default Work Unit",
    "type": "StateGroup", "name": "Music_State",
    "onNameConflict": "merge"
})
for state in ["Music_On", "Music_Off"]:
    waapi("ak.wwise.core.object.create", {
        "parent": "\\States\\Default Work Unit\\Music_State",
        "type": "State", "name": state,
        "onNameConflict": "merge"
    })

Events

Create Event with Play Action

# Create event
event = waapi("ak.wwise.core.object.create", {
    "parent": "\\Events\\Default Work Unit",
    "type": "Event", "name": "Play_Footstep",
    "onNameConflict": "merge"
})
# Add Play action (ActionType 1 = Play)
action = waapi("ak.wwise.core.object.create", {
    "parent": event["id"], "type": "Action",
    "name": "Play", "@ActionType": 1,
    "onNameConflict": "merge"
})
# Set target sound
waapi("ak.wwise.core.object.setReference", {
    "object": action["id"], "reference": "Target",
    "value": "{SOUND_GUID}"
})

ActionType values: 1=Play, 2=Stop, 3=Pause, 4=Resume, 7=SetSwitch, 8=SetState

SoundBanks

Create SoundBank

waapi("ak.wwise.core.object.create", {
    "parent": "\\SoundBanks\\Default Work Unit",
    "type": "SoundBank", "name": "LyraDemo",
    "onNameConflict": "merge"
})

Set Inclusions

waapi("ak.wwise.core.soundbank.setInclusions", {
    "soundbank": "{BANK_GUID}",
    "operation": "add",
    "inclusions": [
        {"object": "{EVENT_GUID}", "filter": ["events", "structures", "media"]}
    ]
})

Generate SoundBanks

waapi("ak.wwise.core.soundbank.generate", {
    "soundbanks": [{"name": "LyraDemo"}],
    "platforms": ["Mac"],
    "languages": ["SFX"],
    "clearAudioFileCache": True,  # IMPORTANT: forces reconversion
    "writeToDisk": True
})

Critical: Use clearAudioFileCache: true when banks are empty/stale.

Stage Banks for UE5

Copy from GeneratedSoundBanks to Content/WwiseAudio:

cp GeneratedSoundBanks/Mac/*.bnk Content/WwiseAudio/Mac/
cp GeneratedSoundBanks/Mac/*.json Content/WwiseAudio/Mac/

AudioLink Setup

AudioLink routes MetaSounds audio → Wwise for mixing/spatialization.

Architecture

MetaSounds Source → AudioLink Component → Wwise Event → Audio Input Sound → Wwise Bus

Wwise Side (4 steps)

Create AudioLink buses under Main Audio Bus
Create ActorMixer "AudioLink_Sources" via WAAPI
Create Sound SFX objects under ActorMixer (one per channel)
Set Audio Input plugin on each Sound (MANUAL in Wwise UI — WAAPI cannot create SourcePlugin)

# Create ActorMixer
am = waapi("ak.wwise.core.object.create", {
    "parent": "\\Containers\\Default Work Unit",
    "type": "ActorMixer", "name": "AudioLink_Sources",
    "onNameConflict": "merge"
})
# Route to AudioLink bus
waapi("ak.wwise.core.object.setReference", {
    "object": am["id"], "reference": "OutputBus",
    "value": "{AUDIOLINK_BUS_GUID}"
})
# Create Sound children
for name in ["AudioLink_Footsteps", "AudioLink_Weapons", "AudioLink_Ambient", "AudioLink_General"]:
    waapi("ak.wwise.core.object.create", {
        "parent": am["id"], "type": "Sound",
        "name": name, "onNameConflict": "merge"
    })

MANUAL STEP: In Wwise UI, right-click each Sound → set source to "Wwise Audio Input" plugin.

UE5 Side (4 steps)

Step 1: Create WwiseAudioLinkSettings Data Assets

In UE5 Content Browser: Right-click → Miscellaneous → Data Asset → select WwiseAudioLinkSettings

Create one per channel:

Asset Name	StartEvent
`AL_Settings_Footsteps`	Play_AudioLink_Footsteps
`AL_Settings_Weapons`	Play_AudioLink_Weapons
`AL_Settings_Ambient`	Play_AudioLink_Ambient
`AL_Settings_General`	Play_AudioLink_General

Set the StartEvent property to the matching Wwise AkAudioEvent asset. Note: Wwise UE integration auto-generates AkAudioEvent assets from SoundBank metadata.

Step 2: Add WwiseAudioLinkComponent to Actor Blueprint

1. Open Actor BP (e.g. BP_Creature, BP_AmbientSource)
2. Add Component → search "Wwise Audio Link"
3. In Details panel set:
   - Sound: Your MetaSounds Source asset (e.g. MS_LyraFootstep_Layered)
   - Settings: The matching WwiseAudioLinkSettings asset (e.g. AL_Settings_Footsteps)
   - Auto Play: true (starts on BeginPlay)

Step 3: Verify Audio Flow

MetaSounds Source (synthesis)
  → WwiseAudioLinkComponent (bridge)
    → Wwise Play Event (triggers Audio Input)
      → Audio Input Sound (receives audio)
        → Wwise Bus (mixing/spatialization)

Step 4: Test In-Editor

Play in Editor (PIE)
Open Wwise Profiler → verify audio appears on AudioLink buses
Check levels in Wwise Mixing Desk

Key Classes

UWwiseAudioLinkSettings — StartEvent (TSoftObjectPtr)
UWwiseAudioLinkComponent — Sound (USoundBase), Settings (UWwiseAudioLinkSettings*), bAutoPlay
UAkAudioEvent — Auto-generated from Wwise SoundBank, found in Content/WwiseAudio/

AudioLink via TCP Plugin (Partial)

Our TCP plugin can add components to BPs but cannot create data assets yet:

# Add WwiseAudioLinkComponent to a Blueprint (via bp_add_node)
# Set component properties (via bp_set_pin_default)
# Wire to BeginPlay (via bp_connect_pins)
# Compile (via bp_compile)

Missing: create_data_asset command for WwiseAudioLinkSettings — requires new C++ command.

Containers Setup

SwitchContainer (Footsteps by surface)

sc = waapi("ak.wwise.core.object.create", {
    "parent": "\\Actor-Mixer Hierarchy\\Default Work Unit\\Player_Audio",
    "type": "SwitchContainer", "name": "Footsteps",
    "onNameConflict": "merge"
})
# Set switch group reference
waapi("ak.wwise.core.object.setReference", {
    "object": sc["id"], "reference": "SwitchGroupOrStateGroup",
    "value": "{SURFACE_SWITCH_GROUP_GUID}"
})
# Add RandomSequenceContainers per surface
for surface in ["Concrete", "Glass", "Metal", "Dirt"]:
    waapi("ak.wwise.core.object.create", {
        "parent": sc["id"], "type": "RandomSequenceContainer",
        "name": f"Footstep_{surface}", "onNameConflict": "merge"
    })

Import Audio Files

waapi("ak.wwise.core.audio.import_", {
    "importOperation": "useExisting",
    "imports": [{
        "audioFile": "/path/to/Footstep_01.wav",
        "objectPath": "\\Containers\\Default Work Unit\\Player_Audio\\Footsteps\\Footstep_Concrete\\<Sound>Footstep_01"
    }]
})

Transport / Playback Testing

# Play in Wwise transport (NOT ak.soundengine.postEvent)
curl -s -X POST http://127.0.0.1:8090/waapi -d '{
  "uri": "ak.wwise.ui.commands.execute",
  "args": {"command": "TransportPlayDirectly", "objects": ["{EVENT_GUID}"]},
  "options": {}
}'

Reload / Recovery

# Force reload project from disk
"command": "ForceReloadProject"

# Save project
"uri": "ak.wwise.core.project.save"

Critical Gotchas

WAAPI cannot create SourcePlugin — Audio Input must be set manually in Wwise UI
Never edit .wwu XML files — not with Python ET, not with string replacement. Use WAAPI only
Delete macOS ._*.wwu files on external drives — Wwise tries to parse them as work units
clearAudioFileCache: true required when SoundBanks are empty/stale
onNameConflict: "merge" prevents duplicate creation errors
Paths use backslashes even on macOS: \\Busses\\Default Work Unit\\...
options: {} required in every WAAPI HTTP call (even empty)
SoundBank "Init" is auto-generated — don't include in generate call
return goes in options at top level, NOT in args
ForceReloadProject may show dialog — user must click through
SoundBank stale GUIDs — if events were deleted+recreated, old GUIDs persist in SoundBank inclusions. Fix: delete entire SoundBank, recreate, re-add inclusions fresh
WAAPI setInclusions with "replace" does NOT always update on-disk .wwu file — Wwise caches its own version
Audio Input source name doesn't matter — just select "Wwise Audio Input" plugin, naming is irrelevant

Lyra Demo Bus IDs (Reference)

Bus	GUID
Main Audio Bus	{1514A4D8-1DA6-412A-A17E-75CA0C2149F3}
SFX	{E846F1FB-12DF-4C31-869B-4458F7EC3E34}
Footsteps	{8C4CDC41-5441-4315-BC4E-B481E49A5A50}
Weapons	{A05FFC03-3991-44E9-9C31-50FFCD922457}
Impacts	{BED62D6D-E566-48C4-B5A7-46AE8567B08E}
Ambient	{5C0C54F6-F005-4282-A866-83D55DB77B40}
Music	{09AF1FE3-329E-49ED-936B-262BE76D3906}
VO	{C0071867-68AF-4982-AFB0-2A9AB69FA3D0}
AudioLink	{1A33D85D-C61B-49B2-8F67-9BCF7412FEBD}
AudioLink_Footsteps	{9D85A7F6-6F92-4E21-AF02-5558FE66ED07}
AudioLink_Weapons	{1FFF2706-690A-4800-B4ED-170B3F3CD8F8}

Lyra Demo AudioLink IDs (Reference)

Object	Type	GUID
AudioLink_Sources	ActorMixer	{AFEA4AEC-0011-495F-8DF5-410C88FEFCC0}
AudioLink_Footsteps	Sound	{B39B9305-C24A-4BCD-9C80-E971503DEBFB}
AudioLink_Weapons	Sound	{188E955C-321A-482D-938E-54C841953608}
AudioLink_Ambient	Sound	{81F2FF30-3D4B-432C-B19D-846704FE8F1B}
AudioLink_General	Sound	{1A895170-85E6-4C52-972A-2B0ECA597ABC}
Play_AudioLink_Footsteps	Event	{A1AF956E-158B-431D-8B98-5ACC37165F9C}
Play_AudioLink_Weapons	Event	{CE1F96EF-AF11-4EA5-B03F-01DB73B513EC}
Play_AudioLink_Ambient	Event	{472B1B7D-921A-4E99-A521-809E9596AE8F}
Play_AudioLink_General	Event	{516872EF-0B23-4A0C-AAE2-6804E641B2AA}
LyraDemo	SoundBank	{78D6CFDE-B75B-496D-9D5C-8C55C969A63C}

Full Build Recipe — What The Agent Does

This is the exact sequence to build a complete Wwise project from scratch via WAAPI. Tested on Wwise 2025.1.5, UE 5.7.2, macOS.

Phase 1: Bus Hierarchy

1. Create Main Audio Bus children: SFX, NPC, Ambient, Music, VO, AudioLink
2. Create SFX/Player sub-buses: Footsteps, Foley
3. Create SFX/Weapons sub-buses: Weapons_Rifle, Weapons_Shotgun, Weapons_Pistol
4. Create SFX sub-buses: Impacts, Meta_Footsteps
5. Create NPC sub-buses: NPC_Footsteps, NPC_Vocals, NPC_Actions
6. Create Ambient sub-buses: General_SoundBed, Location_A, Location_B
7. Create AudioLink sub-buses: AudioLink_Footsteps, AudioLink_Weapons, AudioLink_Ambient
8. Create AuxBusses: Reverb_Small, Reverb_Medium, Reverb_Large

All via ak.wwise.core.object.create with type: "Bus" or type: "AuxBus".

Phase 2: Game Parameters (RTPCs)

Parent: \\Game Parameters\\Default Work Unit
Type: GameParameter
Names: Distance, FootstepIntensity, CombatIntensity, PlayerHealth, Surface, WeaponFireRate, MusicVolume, ReverbSend

Phase 3: Switches & States

Switch Groups:
  Surface → Concrete, Glass, Metal, Wood, Dirt, Grass
  Location → Exterior, Interior_Small, Interior_Medium, Interior_Large
  Weapon → Rifle, Shotgun, Pistol

State Groups:
  Music_State → Music_On, Music_Off
  Combat_State → Combat_Active, Combat_Idle

Note: Surface switching is handled by SwitchContainer inside Footsteps — no separate bus per surface needed.

Phase 4: Actor-Mixer Hierarchy (Sound Containers)

\\Actor-Mixer Hierarchy\\Default Work Unit\\
├── Player_Audio
│   ├── Footsteps (SwitchContainer → Surface switch group)
│   │   ├── Footstep_Concrete (RandomSequenceContainer)
│   │   ├── Footstep_Glass (RandomSequenceContainer)
│   │   ├── Footstep_Metal (RandomSequenceContainer)
│   │   └── Footstep_Dirt (RandomSequenceContainer)
│   ├── Weapons_Rifle (SwitchContainer or RandomSequence)
│   ├── Weapons_Shotgun (SwitchContainer or RandomSequence)
│   ├── Weapons_Pistol (SwitchContainer or RandomSequence)
│   └── Player_Foley (RandomSequenceContainer)
├── NPC_Audio
│   ├── NPC_Footsteps (SwitchContainer → Surface switch group)
│   ├── NPC_Vocals (RandomSequenceContainer)
│   └── NPC_Actions (RandomSequenceContainer)
├── Environment_Audio
│   ├── Ambience_General (BlendContainer, looping)
│   ├── Ambience_Location_A (Sound, looping)
│   └── Ambience_Location_B (Sound, looping)
├── UI_Audio
└── AudioLink_Sources (ActorMixer)
    ├── AudioLink_Footsteps (Sound + Audio Input plugin)
    ├── AudioLink_Weapons (Sound + Audio Input plugin)
    ├── AudioLink_Ambient (Sound + Audio Input plugin)
    └── AudioLink_General (Sound + Audio Input plugin)

Routing: Each container → its matching bus via setReference → OutputBus.

Footsteps → SFX/Player/Footsteps bus
Weapons_Rifle → SFX/Weapons/Weapons_Rifle bus
NPC_Footsteps → NPC/NPC_Footsteps bus
Ambience_Location_A → Ambient/Location_A bus

Phase 5: Import Audio Files

waapi("ak.wwise.core.audio.import_", {
    "importOperation": "useExisting",
    "imports": [{"audioFile": "/path/to.wav", "objectPath": "\\...\\<Sound>Name"}]
})

Set looping on ambient: setProperty → IsLoopingEnabled → true

Phase 6: Events

Create Play/Stop pairs for each sound:

Player:
  Play_Footstep / Stop_Footstep → Footsteps SwitchContainer
  Play_Weapon_Rifle / Stop_Weapon_Rifle → Weapons_Rifle
  Play_Weapon_Shotgun / Stop_Weapon_Shotgun → Weapons_Shotgun
  Play_Weapon_Pistol / Stop_Weapon_Pistol → Weapons_Pistol

NPC:
  Play_NPC_Footstep / Stop_NPC_Footstep → NPC_Footsteps
  Play_NPC_Vocal → NPC_Vocals
  Play_NPC_Action → NPC_Actions

Environment:
  Play_Ambience_General / Stop_Ambience_General → Ambience_General
  Play_Ambience_Location_A / Stop_Ambience_Location_A → Ambience_Location_A
  Play_Ambience_Location_B / Stop_Ambience_Location_B → Ambience_Location_B

Other:
  Play_Music / Stop_Music → Music container
  Play_AudioLink_Footsteps/Weapons/Ambient/General → AudioLink sounds

ActionType: 1=Play for Play events, 2=Stop for Stop events. Wire each action's Target reference to the sound container.

Phase 7: SoundBank

1. Create SoundBank "LyraDemo"
2. setInclusions: add ALL events with filter ["events", "structures", "media"]
3. Generate: platforms=["Mac"], writeToDisk=true, clearAudioFileCache=true

Phase 8: Save

ak.wwise.core.project.save

UE5 Wwise Integration Setup

Step 1: Enable Wwise Plugin in .uproject

Add to the Plugins array in YourProject.uproject:

{"Name": "Wwise", "Enabled": true},
{"Name": "WwiseSoundEngine", "Enabled": true}

Both plugins must be present on disk at Plugins/Wwise/ and Plugins/WwiseSoundEngine/.

Step 2: Config — DefaultGame.ini

Wwise writes its settings to [/Script/AkAudio.AkSettings] in DefaultGame.ini. Key fields:

[/Script/AkAudio.AkSettings]
WwiseProjectPath=(FilePath="YourProject_WwiseProject/YourProject_WwiseProject.wproj")
RootOutputPath=(Path="../YourProject_WwiseProject/GeneratedSoundBanks")
WwiseStagingDirectory=(Path="WwiseAudio")
InitBank=/Game/WwiseAudio/InitBank.InitBank
AudioRouting=EnableWwiseOnly
bWwiseSoundEngineEnabled=True
bWwiseAudioLinkEnabled=False

Step 3: Audio Routing Modes

The AudioRouting enum (EAkUnrealAudioRouting) has 5 values:

Value	Effect
`EnableWwiseOnly`	Only Wwise produces audio. UE native audio silent.
`Separate`	Both Wwise and UE audio play simultaneously.
`AudioLink`	All UE audio routes through AudioLink → Wwise.
`EnableUnrealOnly`	Only UE audio. Wwise SoundEngine disabled.
`Custom`	Developer configures manually.

For demos without AudioLink: Use EnableUnrealOnly to keep Lyra audio working, show Wwise project separately. For full integration: Use AudioLink (requires bWwiseAudioLinkEnabled=True).

Step 4: AudioLink Enable Flag

AudioLink is controlled by TWO settings:

AudioRouting=AudioLink in [/Script/AkAudio.AkSettings]
bWwiseAudioLinkEnabled=True in same section

The runtime module reads from GGameIni:

GConfig->GetBool(TEXT("/Script/AkAudio.AkSettings"),
    TEXT("bWwiseAudioLinkEnabled"), bWwiseAudioLinkEnabled, GGameIni);

Step 5: Root Output Path

The GeneratedSoundBanks path must be set in two places:

DefaultGame.ini: RootOutputPath=(Path="../YourProject_WwiseProject/GeneratedSoundBanks")
Per-user settings (Saved/Config/MacEditor/EditorPerProjectUserSettings.ini): RootOutputPathOverride=(Path="/full/path/to/GeneratedSoundBanks")

If RootOutputPathOverride is empty, UE shows "Root Output Path is empty" warning and banks won't load.

Step 6: Reconcile Wwise Assets

After SoundBanks are generated and paths configured:

Open Wwise Browser in UE (Window → Wwise Browser)
Select all Events → Right-click → Reconcile Selection
This creates .uasset files in Content/WwiseAudio/ that UE can reference
Without reconciliation, AkAmbientSound/AkComponent can't find events

Step 7: Verify Initialization

Check Output Log for these lines (in order):

LogAkAudio: OnAudioRoutingUpdate: Wwise SoundEngine Enabled: true
LogAkAudio: Wwise SoundEngine successfully initialized.
LogAkAudio: Initialization complete.
LogAkAudio: Audiokinetic Audio Device initialized.
LogAkAudio: Successfully connected to Wwise Authoring on localhost.

If Audio Device Manager Initialization Failed: Revert any manual DefaultEngine.ini changes. Wwise config belongs in DefaultGame.ini, NOT DefaultEngine.ini.

UE5 Integration Gotchas (Learned the Hard Way)

Config goes in DefaultGame.ini — Wwise settings are [/Script/AkAudio.AkSettings] in DefaultGame.ini. Adding [/Script/AkAudio.AkSettings] to DefaultEngine.ini causes Audio Device Manager Initialization Failed
UE overwrites config on save — If you edit DefaultGame.ini while UE is open, UE may overwrite your changes on next save. Edit while UE is closed
AudioRouting enum is strict — Invalid values (like EnableWwiseAndAudioLink) cause FEnumProperty invalid value error and silently revert to default
AudioLink toggle grayed out — The UI toggle only works if bWwiseAudioLinkEnabled is set in config. Set it in DefaultGame.ini, not through UI
Wwise plugin NOT auto-discovered — Even with files in Plugins/Wwise/, must explicitly add to .uproject Plugins array
Wwise replaces UE audio completely — In EnableWwiseOnly mode, ALL UE native audio (MetaSounds, AudioComponents) goes silent. Lyra has no sound because it doesn't post Wwise events
Content Browser hides plugin content — Maps in GameFeature plugins (like L_ShooterPerf) don't appear unless "Show Plugin Content" is enabled. Use Ctrl+P to search instead
MetaSounds Presets are read-only — _Preset suffix assets inherit from parent Source. Cannot add nodes. Must duplicate the parent Source to edit the graph
EnableUnrealOnly for demo without AudioLink — Keeps all Lyra audio working while Wwise project exists for separate showcase
Two plugins required — Wwise (integration) + WwiseSoundEngine (SDK) both needed in .uproject. Missing either = no Wwise

Source Files

Wwise tools: src/ue_audio_mcp/tools/wwise_*.py (20 tools)
Wwise types: src/ue_audio_mcp/knowledge/wwise_types.py
Wwise templates: src/ue_audio_mcp/templates/wwise/ (6 JSON)
WAAPI research: research/research_waapi_mcp_server.md (87 functions)

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