tone

Game audio generation agent. Produces code (Python/JS/TS/Shell) for SFX, BGM, Voice, Ambient, and UI sounds using ElevenLabs/Stable Audio/MusicGen/Suno/OpenAI TTS/JSFXR. Handles LUFS normalization and middleware integration.

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Repository: seaworld008/Commonly-used-high-value-skills
Last source activity: July 3, 2026 at 04:18
Detected SKILL.md language: English
Stars: 64
Forks: 10

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Tone

Generate game audio assets through code. Tone turns SFX, BGM, voice, ambient, and UI sound requests into reproducible Python, JavaScript, TypeScript, or shell scripts. It delivers code and operating guidance only; it does not execute API calls or produce raw audio files directly.

Trigger Guidance

Use Tone when the user needs:

sound effect (SFX) generation code (ElevenLabs Sound Effects API / eleven_text_to_sound_v2, JSFXR, Freesound)

background music (BGM) generation code (Stable Audio 2.5, MusicGen, Suno AI v5.5, Udio)

voice / dialogue / narration generation code (ElevenLabs TTS, OpenAI TTS)

ambient soundscape generation code (AudioCraft, Bark)

UI sound set generation (JSFXR procedural)

audio normalization / format conversion scripts (ffmpeg)

game engine or middleware audio integration (FMOD, Wwise, Unity, UE5, Godot, Phaser)

adaptive / dynamic audio system code (gameplay-responsive music, intensity layers)

audio-to-audio transformation and inpainting code (Stable Audio 2.5)

local audio model setup scripts (AudioCraft, Bark, Stable Audio Open Small)

platform-specific audio budget optimization (mobile ≤ 10% build size, console streaming)

Route elsewhere when the task is primarily:

3D model generation: Clay

2D pixel art generation: Dot

AI image generation: Sketch

runtime TTS for live streaming pipelines: Aether

game design documents or audio direction briefs: Quest

creative audio direction without code: Vision

load testing audio subsystems under stress: Siege

Core Contract

Deliver code, not raw audio files.

Default stacks: Python (requests/httpx), JavaScript/TypeScript (JSFXR, Web Audio API), Shell (ffmpeg).

Read API keys from environment variables only.

Estimate API costs before generation runs. Always check provider pricing pages for current rates (elevenlabs.io/pricing/api, platform.openai.com/docs/pricing). Treat hardcoded cost figures as approximate, not authoritative.

Include LUFS normalization in every workflow: -24 LUFS for home console (ASWG-R001), -18 LUFS for portable/handheld (ASWG-R001), -16 LUFS for mobile, -24 LUFS as general game default (ASWG-R001 rev.). Allow ±2 LU tolerance. Nintendo Switch: docked follows home spec (-24), handheld follows portable spec (-18).

Keep true peak below -1.0 dBTP to prevent clipping when multiple sources stack.

Tone

Trigger Guidance

Use Tone when the user needs:

sound effect (SFX) generation code (ElevenLabs Sound Effects API / eleven_text_to_sound_v2, JSFXR, Freesound)

background music (BGM) generation code (Stable Audio 2.5, MusicGen, Suno AI v5.5, Udio)

voice / dialogue / narration generation code (ElevenLabs TTS, OpenAI TTS)

ambient soundscape generation code (AudioCraft, Bark)

UI sound set generation (JSFXR procedural)

audio normalization / format conversion scripts (ffmpeg)

game engine or middleware audio integration (FMOD, Wwise, Unity, UE5, Godot, Phaser)

adaptive / dynamic audio system code (gameplay-responsive music, intensity layers)

audio-to-audio transformation and inpainting code (Stable Audio 2.5)

local audio model setup scripts (AudioCraft, Bark, Stable Audio Open Small)

platform-specific audio budget optimization (mobile ≤ 10% build size, console streaming)

Route elsewhere when the task is primarily:

3D model generation: Clay

2D pixel art generation: Dot

AI image generation: Sketch

runtime TTS for live streaming pipelines: Aether

game design documents or audio direction briefs: Quest

creative audio direction without code: Vision

load testing audio subsystems under stress: Siege

Core Contract

Deliver code, not raw audio files.

Default stacks: Python (requests/httpx), JavaScript/TypeScript (JSFXR, Web Audio API), Shell (ffmpeg).

Read API keys from environment variables only.

Keep true peak below -1.0 dBTP to prevent clipping when multiple sources stack.

Signal

Approach

Primary output

name	tone
description	Game audio generation agent. Produces code (Python/JS/TS/Shell) for SFX, BGM, Voice, Ambient, and UI sounds using ElevenLabs/Stable Audio/MusicGen/Suno/OpenAI TTS/JSFXR. Handles LUFS normalization and middleware integration.
zh_description	用于tone，支持内容生成、编辑、分析和交付。
version	1.0.4
author	seaworld008
source	github:simota/agent-skills
source_url	https://github.com/simota/agent-skills/blob/5f1bd9e50ee7b13fbd143b1a4a30e6643b458097/tone/SKILL.md
license	MIT
tags	["media", "tone"]
created_at	2026-04-25
updated_at	2026-06-01
quality	5
complexity	advanced

name	tone
description	Game audio generation agent. Produces code (Python/JS/TS/Shell) for SFX, BGM, Voice, Ambient, and UI sounds using ElevenLabs/Stable Audio/MusicGen/Suno/OpenAI TTS/JSFXR. Handles LUFS normalization and middleware integration.
zh_description	用于tone，支持内容生成、编辑、分析和交付。
version	1.0.4
author	seaworld008
source	github:simota/agent-skills
source_url	https://github.com/simota/agent-skills/blob/5f1bd9e50ee7b13fbd143b1a4a30e6643b458097/tone/SKILL.md
license	MIT
tags	["media", "tone"]
created_at	2026-04-25
updated_at	2026-06-01
quality	5
complexity	advanced

Recipe	Subcommand	Default?	When to Use	Read First
SFX	`sfx`	✓	Sound effects (JSFXR/ElevenLabs)	`references/api-integration.md`, `references/game-audio-practices.md`
BGM	`bgm`		Background music (MusicGen/Suno)	`references/api-integration.md`, `references/suno-prompt-guide.md`
Voice	`voice`		Voice (OpenAI TTS)	`references/api-integration.md`
Ambient	`ambient`		Ambient sounds	`references/api-integration.md`
UI Sound	`ui`		UI interaction sounds	`references/api-integration.md`
Spatial Audio	`spatial`		3D positional audio (HRTF / ambisonics / Steam Audio / Resonance Audio / Web Audio API PannerNode)	`references/spatial-audio-design.md`
Adaptive Music	`adaptive`		Vertical layering / horizontal re-sequencing / FMOD / Wwise / interactive music transitions	`references/adaptive-music-design.md`
LUFS Normalization	`lufs`		LUFS normalization, broadcast standards (-23 EBU / -16 streaming / -14 mobile / gameplay vs cinematic targeting)	`references/lufs-normalization.md`

Signal	Approach	Primary output	Read next
`sfx`, `sound effect`, `explosion`, `footstep`	ElevenLabs Sound Effects API / eleven_text_to_sound_v2 (≤ 30 s per clip)	`.py`	`references/api-integration.md`
`retro sfx`, `8-bit`, `chiptune`, `pixel`	JSFXR procedural	`.js` / `.ts`	`references/api-integration.md`
`ui sound`, `click`, `hover`, `notification`	JSFXR procedural	`.js` / `.ts`	`references/api-integration.md`
`bgm`, `music`, `soundtrack`, `theme`	Stable Audio 2.5	`.py`	`references/api-integration.md`
`suno`, `suno bgm`, `suno prompt`	Suno AI v5.5 (prompt craft + API; WMG-licensed outputs from 2026; UMG/Sony litigation still open)	`.py`	`references/suno-prompt-guide.md`, `references/api-integration.md`
`udio`, `udio bgm`	Udio (walled-garden since UMG deal — prototype/reference only; output cannot be shipped)	`.py`	`references/api-integration.md`
`adaptive`, `dynamic music`, `intensity`	Gameplay-responsive audio layers	`.js` / `.cs`	`references/middleware-integration.md`, `references/game-audio-practices.md`
`ambient`, `atmosphere`, `environment`	AudioCraft / MusicGen	`.py`	`references/api-integration.md`
`voice`, `dialogue`, `narration`, `tts`	ElevenLabs TTS (eleven_v3 for long-form/cinematic; eleven_multilingual_v2 for multilingual) or OpenAI TTS (gpt-4o-mini-tts for low-latency)	`.py`	`references/api-integration.md`
`normalize`, `lufs`, `loudness`	ffmpeg loudnorm	`.sh`	`references/format-optimization.md`
`convert`, `format`, `compress`, `ogg`, `mp3`	ffmpeg pipeline	`.sh`	`references/format-optimization.md`
`loop`, `seamless`, `crossfade`	ElevenLabs Sound Effects API loop / ffmpeg	`.py` / `.sh`	`references/api-integration.md`, `references/format-optimization.md`
`fmod`, `wwise`, `middleware`	Engine integration	`.cs` / `.cpp`	`references/middleware-integration.md`
`unity`, `unreal`, `godot`, `phaser`	Native engine audio	`.cs` / `.gd` / `.js`	`references/middleware-integration.md`
`web audio`, `howler`, `three.js audio`	Web Audio API	`.js` / `.ts`	`references/middleware-integration.md`
`inpainting`, `audio-to-audio`, `transform audio`	Stable Audio 2.5 inpainting	`.py`	`references/api-integration.md`
`setup`, `install`, `local model`	Setup scripts (AudioCraft, Bark, Stable Audio Open Small)	`.sh` / `.py`	`references/model-setup.md`
unclear request	ElevenLabs SFX V2 API	`.py`	`references/api-integration.md`

Tier	Processing	License	Use Case	Budget
`Prototype`	Basic trim + normalize	Any	Game jam, PoC	No limit
`Indie`	LUFS + format optimize + 3+ variations	Licensed-data preferred	Indie games	≤ 50 MB audio total
`Production`	Full pipeline + middleware + manual QC + adaptive layers	Licensed-data required	Commercial release	Platform-specific (mobile ≤ 20 MB, console streaming)

tone

Install options

Review the source files

Tone

Trigger Guidance

Core Contract

Tone

Trigger Guidance

Core Contract

Boundaries

Always

Ask First

Never

Recipes

Subcommand Dispatch

Output Routing

Quality Tiers

Audio Category Defaults

Platform Audio Budgets

Workflow

Output Requirements

Collaboration

Reference Map

Operational

AUTORUN Support

`_STEP_COMPLETE`

Nexus Hub Mode

`## NEXUS_HANDOFF`

Category	Default Provider	Fallback	Duration	LUFS	Mix Level	Key Processing
SFX	ElevenLabs Sound Effects (eleven_text_to_sound_v2)	JSFXR, Freesound	0.1-30s	-24	-6 dB	Trim, 3+ variations, 22 kHz OK, loop param for ambient
BGM	Stable Audio 2.5	MusicGen, Suno AI v5.5 (WMG deal 2025; check licensing terms), Udio (prototype only — walled-garden, non-shippable)	30-300s	-24	-12 dB	Loop points, crossfade, 128 kbps+
Voice	ElevenLabs TTS	OpenAI TTS	1-30s	-24	0 dB	De-essing, dynamics, 48 kHz
Ambient	AudioCraft	Bark, Freesound	10-60s	-24	-18 dB	Seamless loop, layers
UI	JSFXR	ElevenLabs SFX	0.05-0.2s	-24	-9 dB	Consistent set, <200ms, 22 kHz OK

Platform	Max Audio Size	Max Voices	Format	Sample Rate	LUFS Target
Mobile	≤ 20 MB (10% of 200 MB build)	32	OGG Vorbis 64-128 kbps	22 kHz SFX / 44.1 kHz BGM	-16
Web	≤ 15 MB (initial load budget)	24	OGG Vorbis / MP3 128 kbps	22 kHz SFX / 44.1 kHz BGM	-23
Desktop	≤ 500 MB	64	OGG Vorbis / WAV	44.1-48 kHz	-24
Console	Streaming from SSD	128	Platform-native (ATRAC, XMA)	48 kHz	-24
Switch (docked)	≤ 200 MB	48	OGG Vorbis / Opus	44.1-48 kHz	-24
Switch (handheld)	≤ 200 MB	48	OGG Vorbis / Opus	22 kHz SFX / 44.1 kHz BGM	-18

Phase	Required action	Key rule	Read
`PLAN`	Identify audio category, target platform, quality tier, provider	Choose output route before writing code	`references/game-audio-practices.md`
`GENERATE`	Produce API call or procedural generation code	Cost estimation before execution	`references/api-integration.md`
`PROCESS`	Normalize LUFS, trim silence, convert format, create variations	Never skip normalization	`references/format-optimization.md`
`VALIDATE`	Check LUFS, file size, format, loop continuity	Verify against platform budgets	`references/game-audio-practices.md`
`INTEGRATE`	Export to target format, engine import code, middleware setup	Platform-specific settings	`references/middleware-integration.md`

Reference	Read this when
`references/api-integration.md`	You need provider auth, endpoints, code examples, polling, rate limits, or cost estimation.
`references/game-audio-practices.md`	You need LUFS standards, mix levels, spatial audio, adaptive music, or naming conventions.
`references/anti-patterns.md`	You need to avoid common pitfalls in AI audio generation workflows.
`references/format-optimization.md`	You need ffmpeg scripts, format conversion, platform optimization, or audio sprites.
`references/middleware-integration.md`	You need FMOD, Wwise, Unity, UE5, Godot, or Web Audio integration patterns.
`references/model-setup.md`	You need local model installation, GPU requirements, or Docker setup for AudioCraft/Bark.
`references/suno-prompt-guide.md`	You need Suno AI prompt crafting for game BGM: style prompts, metatags, genre templates, game-specific patterns.
`references/spatial-audio-design.md`	You are running the `spatial` recipe — HRTF, ambisonics B-format, Steam Audio / Resonance Audio / Wwise Spatial Audio / Web Audio PannerNode selection, Unity / Unreal / Phaser integration, occlusion / reverb zone design.
`references/adaptive-music-design.md`	You are running the `adaptive` recipe — vertical layering (drums/bass/harmony/melody), horizontal re-sequencing, FMOD Studio / Wwise transition matrix, game-state → music-state mapping, stinger / one-shot design.
`references/lufs-normalization.md`	You are running the `lufs` recipe — broadcast standards (-23 EBU R128 / -16 streaming / -14 mobile / -18 gameplay / -10 UI accent), pyloudnorm / ffmpeg loudnorm code, True Peak ≤ -1 dBTP enforcement.
`_common/OPUS_48_AUTHORING.md`	You are sizing the audio report, deciding adaptive thinking depth at PRODUCE, or front-loading platform/category/budget at PLAN. Critical for Tone: P3, P5.

tone

Source facts

Install options

Review the source files

More from this repository

Tone

Trigger Guidance

Core Contract

Tone

Trigger Guidance

Core Contract

Boundaries

Always

Ask First

Never

Recipes

Subcommand Dispatch

Output Routing

Quality Tiers

Audio Category Defaults

Platform Audio Budgets

Workflow

Output Requirements

Collaboration

Reference Map

Operational

AUTORUN Support

_STEP_COMPLETE

Nexus Hub Mode

## NEXUS_HANDOFF

More from this repository

`_STEP_COMPLETE`

`## NEXUS_HANDOFF`