Agent skill

Mc Sound Design

by jtydhr88 in jtydhr88/music-composition-skills

Synth and timbre design as an arrangement decision (音色设计) - deciding what a sound must be before touching a knob.

MITAuto-check passedMedia & Creative

Install Mc Sound Design

skills CLI
$ npx skills add jtydhr88/music-composition-skills --skill mc-sound-design -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install jtydhr88/music-composition-skills mc-sound-design --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/jtydhr88/music-composition-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/music-composition/skills/mc-sound-design .claude/skills/mc-sound-design && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
mc-sound-design
GitHub stars
154
Token cost
~1.8k tokens
SKILL.md length
487 words
Files
2
Skills in repo
29
Repo updated
First seen
Licence
MIT

At a glance

Synth and timbre design as an arrangement decision (音色设计) - deciding what a sound must be before touching a knob.

  • Works in 8 steps: 动笔前必填:四问清单 → 回零点:从"未经修饰的声音"开始 → 四问 → 参数的映射 → …
  • Designing a patch
  • SKILL.md covers 按任务读哪几节, 边界:什么不归这个 skill 管, 1. 动笔前必填:四问清单 and 2. 回零点:从"未经修饰的声音"开始, plus 7 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Mc Sound Design is an agent skill from jtydhr88/music-composition-skills. Synth and timbre design as an arrangement decision (音色设计) - deciding what a sound must be before touching a knob. The four-question intent checklist (percussive or pitched / register / envelope shape / bright or dark) and its mapping to oscillator, tune, amp EG and filter; resetting to an unprocessed starting state instead of browsing presets; the sculpting model of subtractive synthesis; filter selection; and why a pure sine bass vanishes on small speakers (difference tones). Use when choosing or designing a…

Its SKILL.md is about 1.8k tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `reference.md`).

It sits in Media & Creative, covering Music and audio generation. The repository describes itself as: Professional agent skills for composing and arranging popular music. The licence is MIT.

When your agent uses it

  • Designing a patch
  • A synth sound is generic
  • Preset-sounding
  • A bass disappears on phones

Example prompts

  • “/mc-sound-design”

Workflow steps

8 steps, taken from the step headings in SKILL.md.

  1. 动笔前必填:四问清单
  2. 回零点:从"未经修饰的声音"开始
  3. 四问 → 参数的映射
  4. 雕刻模型:减法合成在干什么
  5. 滤波器选型
  6. ★ 差音:为什么纯正弦贝斯会消失
  7. 与 ARR-SPEC / 各后端的对应
  8. 写完后必过

What it can do on your machine

Read from SKILL.md and the folder at commit 7adca0c. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Mc Sound Design loads about 1.8k tokens when it runs. Until then it costs about 188 tokens; SKILL.md has 487 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~188
When it runs · the whole SKILL.md, loaded when a task matches
~1.8k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from jtydhr88/music-composition-skills at commit 7adca0c, republished under its MIT licence (© jtydhr88). 487 words, ~1,844 tokens.

Download SKILL.mdSave it as .claude/skills/mc-sound-design/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
mc-sound-design
description
Synth and timbre design as an arrangement decision (音色设计) - deciding what a sound must be before touching a knob. The four-question intent checklist (percussive or pitched / register / envelope shape / bright or dark) and its mapping to oscillator, tune, amp EG and filter; resetting to an unprocessed starting state instead of browsing presets; the sculpting model of subtractive synthesis; filter selection; and why a pure sine bass vanishes on small speakers (difference tones). Use when choosing or designing a patch, when a synth sound is generic or preset-sounding, when a bass disappears on phones or laptops, when a pad has no character, or when writing the timbre descriptors of an ARR-SPEC roster. 音色设计、合成器、滤波器、波封、预设、贝斯消失、差音。

音色设计(Sound Design)

这个 skill 的立场:音色是编曲决策,不是后期的事。

选错音色,后面所有的配器、分层、混音都在补救。而"选音色"这个动作在多数人手里 实际是"翻预设直到有一个不难听"——那正是 AI 味最稳定的来源, 因为生成模型也在做同一件事:取那个类别里最典型的音色。

本 skill 的核心方法来自野崎貴朗:先把构想说清楚,再动参数。

按任务读哪几节

症状/任务读
不知道从哪开始设计一个音色§1 四问清单 → §3 映射
翻了半天预设都不对§2 回零点
音色"像预设"、没个性§2 + §4
明明音色对,放进编曲就不对§3 的②音域
贝斯在手机/笔记本上消失了§6 差音
Pad 很厚但没质感§4 雕刻四步
填 ARR-SPEC 的 roster 音色描述§7

边界:什么不归这个 skill 管

不归这里归哪
真实乐器的选择与混合音色mc-orchestration
这个音色占哪个频段、和谁打架mc-texture-layering
EQ 频点、压缩比、总线处理mc-mix-intent(意图)/出库混音库(实操)
影视音效、Foley、环境声出库 → 声音设计与混音库(同名不同事,别混)
具体风格的音色配方(Detroit techno 贝斯怎么调)reference.md 的配方表
采样的选择与切片mc-style-hiphop §6.3–6.5 与其 reference §1–2(选材、切片、loop 搭建);采样库产品选型出库

★ 命名提醒:本库的 mc-sound-design 指的是乐音音色的合成与设计; 影视意义上的"声音设计"(音效、拟音、空间)是另一个库。


1. 动笔前必填:四问清单

在着手设计之前,先判断音色的角色个性,并回答这 4 项 (p0091):

#问题
①属于打击乐器类型(音调不明确)还是乐音(有音调、可奏旋律或和弦)?
②大致上的音域范围是?
③该音色的振幅波封呈现哪种曲线?
④明亮(泛音多)还是沉闷(泛音少)?

作者的要求是养成习惯:"在从事音色设计时,首先要养成将自己的构想去和①~④比对的习惯" (p0091)。

为什么这四问就够:它们正好各自对应合成器的一个模块(§3), 所以答完四问,参数怎么设已经定了一大半——剩下的才是品味。

自检动作:四问里只要有一问答不出来,就别动旋钮。 答不出来时你在做的不是设计,是试错。


2. 回零点:从"未经修饰的声音"开始

问题:合成器不像电吉他或钢琴那样有一个简单明了的"原音"。 你一打开就在某个人的预设里,你的每个决定都是相对别人的决定做的。

做法:建立一个"未经修饰的声音"初始设定 (p0088):

模块设定
振荡器只用一组锯齿波
滤波器CUTOFF 右旋到底、RESONANCE 0、FILTER EG 0(全面开通)
AMP EGATTACK 0、DECAY 0、SUSTAIN 全开、RELEASE 0(风琴状波封)
LFO 等调变完全不用
效果器不开

"非得要调到这般『原始波形的鸣放状态』才会形成吉他或钢琴那般『未经修饰的声音』" (p0088)。

建议:把它存成"初始状态 1 号",每次音色设计都从这里出发 (p0089)。

这一条对抗 AI 味的机理:预设是别人对某个类别的平均判断, 从预设出发,你只能在那个平均值附近微调。从零点出发,你的音色是自己长出来的。

失效条件:时间极度紧张、或需要一个明确的经典音色(如 TB-303 酸味贝斯)时, 从最接近的预设改起是合理的 (p0090 的做法②)——但要说得出你改了哪四处, 说不出就是没改。


3. 四问 → 参数的映射

构想参数怎么定
① 打击 or 乐音振荡器波形打击类 → NOISE;乐音类 → SAW 或 SQUARE (p0092)
② 音域TUNE / TRANSPOSE见下方 ★
③ 波封曲线AMP EG见下方三组
④ 明亮 or 沉闷FILTER先设 −24 dB/oct 低通,再用 CUTOFF 调 (p0092)
★ ②音域是最容易被忽略、代价最大的一项

"不论多么努力去尝试接近理想中的音色,只要音域不同,声音就绝对永远无法跟想像的一样" (p0092)。

这解释了一个常见现象:音色单独听很对,放进编曲就不对。 多半不是音色的问题,是它在错误的音区。 ——所以这条直接连到 mc-texture-layering §4.2 的"错开音区"。

③ 波封的三组决定 (p0092)
要什么怎么设
起音迅速俐落 / 从容渐进ATTACK 调短 / 调长
延音自然消逝 / 持续延伸SUSTAIN=0 并调 DECAY / 用 SUSTAIN 定音量
释音立即消失 / 保留余音RELEASE=0 / 调长 RELEASE

总原则:"最重要的就是先从『已确立的部分』开始着手设定" (p0093)。 四问里你最确定的那一问,就是第一个该动的模块。

技巧:乐句已经写好的话,一边反复播放一边设计音色,效果颇佳 (p0093)。 ——音色是在上下文里判断的,不是独奏试听判断的。


3.5 ★ 起振是音色的身份证(Howard & Angus)

四问清单问的是频谱与包络,但辨识度几乎全在头几十毫秒:去掉起振与衰减之后,小提琴和小号很难区分(p0222–0223)。 合成音色"假",多半不是频谱错,是起振里该有的线索没有。书里点名六条(p0223): 弓弦摩擦、铜管辅音式的起振、吹管的呼吸噪声、簧片起振的拍打、琴锤的击打、琴弦回落。

做音色时的三条:

  1. 模仿真乐器,先问它的起振里有什么噪声或非谐波成分,再问稳态频谱。采样"假"多半因为循环段取自稳态、起振被切平(p0217)
  2. 起振不受房间染色,第一次反射通常在起振结束之后才到(p0217)。混响救不回一个被削平的起振
  3. 各族起振长短差很多:铜管基频先行、极短;长笛基频之前有约 70 ms 呼吸噪声;小提琴起振约 160 ms、颤音要到 250 ms 后才出现(p0220–0221)。 做一个"快断奏用"的音色,起振必须短;做一个"长音用"的音色,起振长一点反而像

各族起振的对照表在 mc-texture-layering reference §5a.2。

3.6 ★ 音响动态的强调:给慢起音的层叠一个快起音(杨立青)

"音响动态"指一个音的起振、稳态、衰减的时间过渡特性。用不同音色叠置去强化、夸大、甚至改造某个因素原有的音响动态, 就叫音响动态的强调(杨立青下册 p0287)。

最常见的用法:pad 或弦乐长音没有音头,叠一层起音快的东西(pluck、钢琴、拨奏、mallet)给它一个音头, 听感上 pad 自己有了棱角,其实音头来自另一件。反过来,一个太硬的音头可以叠一层慢起音把它"化开"。

这是"为什么两层叠起来比各自好听"最常见的机理之一。写进规格单时把它当一个明确的决定: roster[].note 写清"这一层是给谁补音头的"。

同一体系里还有一条与音色有关的:心理力度的高点不一定是物理响度的高点(p0283–0284)。 旋律的顶音或骨架音,即使力度在往下走,也常用另一件音色叠上去强调它。柏辽兹在 ppp 处给顶音叠圆号就是这个意思。 做音色层时,给"要被听见的那个点"预留一件能叠上去的音色,比整体推力度有效。

4. 雕刻模型:减法合成在干什么

作者把音色设计比作雕刻(p0037):

雕刻合成器
① 挑选素材(木材、石材)选择波形
② 选用复合素材使用多组振荡器
③ 从庞大原型中削去想舍弃的区块以滤波器截除不要的泛音
④ 需要的部分修补强化RESONANCE 凸显指定频段,或用 FM / OSC SYNC / RING MOD 制造新泛音

而 EG 和 LFO 制造时间上的变化,近似逐格拍摄的黏土动画 (p0037)。

这个模型的用处:它把"加效果器"从流程里排除了。 ④ 的四种手段全都在合成器内部——先在音源里把音色做对,再考虑效果器。


Show full SKILL.md (190 more words)Show less

5. 滤波器选型

类型做什么 (p0037–0038)
低通 LPF从声音顶端(高频泛音)开始截除
高通 HPF从最下方的根基(低频)开始截除
带通 BPF只保留想要的部分,上下皆截除
凹口 Notch只截除指定部分,上下皆保留
梳状 Comb像梳子刷过,留下条纹状结果

合成器音色设计中九成以上用低通——因为合成器预设波形的泛音含量通常比普通乐器多, 需要削去高频泛音 (p0038)。

所以:不确定用哪个就用低通。用到 Notch 或 Comb 时,要说得出为什么。


6. ★ 差音:为什么纯正弦贝斯会消失

这是一条心理声学的硬约束,不是品味问题。

差音(difference tone):即使听不见基音,大脑也会从泛音推断出基音。 例如同时听见 300 Hz 和 400 Hz,大脑会自动补上最大公约数 100 Hz, 让人误以为听见了 100 Hz 的声音 (p0127)。

但——"正弦波完全不含可当做判断依据的泛音,因此自然就不会产生听觉错误" (p0127)。

后果:一个纯正弦贝斯在监听音箱上很好,在手机、笔记本、蓝牙音箱上直接不存在。 因为那些设备放不出基音,而正弦波没留下任何让大脑推断基音的线索。

两条路 (p0127):

  1. 补足泛音,制造可产生听觉错误的声音 ← 几乎总是选这条
  2. 以大型舞厅/音乐厅等能播超低音的环境为前提,放弃一般的视听环境
补足泛音的两种做法

其一:移调叠加 (p0127) 复制同样的演奏到另一轨,TRANSPOSE 到高八度、或高八度再加完全五度,略微混合。

"补上多个泛音也颇具效果,不过要是补太多会失去『正弦波的质感』, 因此目标可放在听得到又听不太到的程度" (p0127)。

其二:破音(推荐初学者,效果较自然)(p0127) 插入破音效果器制造微妙的效果。

"若辨别得出破音就表示加过头了" (p0127)。

路由法:正弦贝斯经 Bus 送到 AUX 轨,在 AUX 上加破音再回送混合; 破音量太小的话,先在 AUX 上 low cut,这样不会干扰原音 (p0128)。

自检动作:任何以正弦波/极暗音色为低频主体的编曲, 必须在手机外放上验证一遍。这是本 skill 唯一一条要求实际听设备的检查。


7. 与 ARR-SPEC / 各后端的对应

音色在 ARR-SPEC 里落在 roster[].instrument(抽象选择)、roster[].timbre(给文本后端) 和 roster[].synth_params(给参数后端)上。 同一份描述要能被三类后端消费,所以写法有讲究:

后端怎么消费写法要求
Suno / MiniMax(文本提示)只认自然语言用可听感的形容:材质、年代、参照乐器。不要写 CUTOFF 数值
YuE2(文本+条件)同上,可带段落级差异同上,但可以逐段不同
MIDI / MusicXML → DAW认参数roster[].synth_params 写四问的答案与关键旋钮

写法示例(同一个音色的两种投影):

  • 文本后端:warm analog saw bass, slightly detuned, short attack, filter opens over 2 bars
  • 参数后端:{osc: saw×2 detune 8c, filter: LP24 cutoff 320Hz, FEG amount +40 decay 900ms, amp: A0 D200 S0.7 R120}

这两条必须同源——从四问的答案生成,而不是分别编。 不同源就会出现"文本后端和 MIDI 后端听起来是两首歌"。


8. 写完后必过

  • 每个设计过的音色都答过四问,答案写下来了
  • 从零点出发;若从预设改,说得出改了哪几处
  • 音域是先定的,不是最后调的
  • 用了非低通滤波器的地方,说得出为什么
  • ④ 的泛音增强优先在音源内部做(FM/SYNC/RING/RESO),不是先挂效果器
  • 低频主体若是正弦波/极暗音色,补了泛音,并在手机外放验证过
  • roster 的音色描述同时给出了文本版和参数版,且两者同源
  • 音色是在乐句上下文里试的,不是独奏试听定的

附:来源

  • 野崎貴朗《圖解合成器音樂創作法》——§1–§6 全部主干 (24 音色設計的定理、25 從初始設定開始、09 濾波器①、36 正弦波貝斯/差音)。页码为该书页。

  • 各风格的具体音色配方(电音放克粗犷贝斯、Detroit techno、IDM、Electro House、 嘻哈肥厚贝斯、R&B 抒情、鼓打贝斯等 10+ 种)整理在 reference.md。

  • 竹内一弘《EDM 制作》的 EQ/压缩章节不在本 skill——归 mc-mix-intent 与出库混音库。

  • 差音的声学原理另见 Howard & Angus《音乐声学与心理声学》(缺失基频 / missing fundamental)。

© jtydhr88, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file in plugins/music-composition/skills/mc-sound-design of jtydhr88/music-composition-skills.

  • SKILL.md
  • reference.md

Open the folder on GitHubat commit 7adca0c

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Characteristic VoiceNoizAI/skills526—~1.8kAutomated safety check: PassNone
Text To Sfxsonilo-ai/skills1151 repos~1.6kAutomated safety check: NotesMIT

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More from jtydhr88/music-composition-skills

All 29 skills in this repo
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  • Mc Form

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Questions about Mc Sound Design

What does Mc Sound Design do?

Synth and timbre design as an arrangement decision (音色设计) - deciding what a sound must be before touching a knob. Mc Sound Design is an agent skill from jtydhr88/music-composition-skills. Synth and timbre design as an arrangement decision (音色设计) - deciding what a sound must be before touching a knob.

When should I use Mc Sound Design?

Mc Sound Design fits situations like: designing a patch; A synth sound is generic; preset-sounding; A bass disappears on phones.

How do I install Mc Sound Design in Claude Code?

Run `npx skills add jtydhr88/music-composition-skills --skill mc-sound-design -a claude-code`. Or copy the skill folder (plugins/music-composition/skills/mc-sound-design in jtydhr88/music-composition-skills) into .claude/skills/mc-sound-design in your project. Claude Code loads it when a task matches its description.

How do I install Mc Sound Design in Codex?

Run `npx skills add jtydhr88/music-composition-skills --skill mc-sound-design -a codex`. Or copy the skill folder (plugins/music-composition/skills/mc-sound-design in jtydhr88/music-composition-skills) into .agents/skills/mc-sound-design in your project. Codex loads it when a task matches its description.

Can I use Mc Sound Design in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add jtydhr88/music-composition-skills --skill mc-sound-design -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/mc-sound-design, .gemini/skills/mc-sound-design, .github/skills/mc-sound-design and .opencode/skills/mc-sound-design in your project.

What does Mc Sound Design need to run?

SKILL.md names no scripts, command-line tools or credentials: Mc Sound Design is instructions for the agent only.

Does Mc Sound Design access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Mc Sound Design safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Mc Sound Design use?

Mc Sound Design is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Mc Sound Design use?

About 1.8k tokens (SKILL.md is roughly 7.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Mc Sound Design?

Skills that share tags, products or a category with Mc Sound Design: HyperFrames Media Use (heygen-com/hyperframes, 60k stars), Music (tadaspetra/loop, 296 stars), Sound Effects (tadaspetra/loop, 296 stars) and Characteristic Voice (NoizAI/skills, 526 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Mc Sound Design?

jtydhr88 (a GitHub user) maintains it in jtydhr88/music-composition-skills, which has 154 GitHub stars. The repository holds 29 skills in this directory. The repository was last updated on September 22, 2026.

Source: jtydhr88/music-composition-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.