Claude-skill-registry Audio Layering & Somatic Cue
Nervous system engineering for safe, embodied trance experiences
git clone https://github.com/majiayu000/claude-skill-registry
T=$(mktemp -d) && git clone --depth=1 https://github.com/majiayu000/claude-skill-registry "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/data/audio-somatic" ~/.claude/skills/majiayu000-claude-skill-registry-audio-layering-somatic-cue && rm -rf "$T"
skills/data/audio-somatic/SKILL.mdAudio Layering & Somatic Cue Skill
This Is Nervous-System Engineering, Not "Background Music"
This Skill controls how the body experiences the journey.
You can have perfect language and perfect symbolism—and still fail if the body does not feel safe.
Purpose
Regulate the listener's physiological state to support safe, embodied trance experiences through breath, sound, and somatic awareness.
This Skill manages four biological systems:
- Breath rhythm — Pacing and autonomic regulation
- Muscle tone — Relaxation without disconnection
- Arousal level — Depth without overwhelm
- Orientation — Body presence vs dissociation
Core Question
At all times, the listener's nervous system asks:
"Am I safe right now?"
Audio + somatic cues answer this question continuously, below conscious awareness.
Must Always
- Keep voice dominant over music/effects
- Anchor in breath and body before imagery
- Reintroduce physical awareness regularly
- Match audio pacing to desired nervous system state
- Include body orientation during emergence
Never
- Use rhythms that override natural breath
- Stack silence + deep imagery without somatic anchor
- Create audio that induces dissociation
- Allow music to dominate voice
- Forget body during deep visualization
Sub-Skills
Breath Regulation (breath-regulation/
)
breath-regulation/
— Breath timing for calminginhale-exhale-pacing.md
— Speech ↔ breath synchronizationbreath-language-mapping.md
— HRV-optimized breathing patternscoherence-ratios.md
Somatic Anchoring (somatic-anchoring/
)
somatic-anchoring/
— Gravitational grounding cuesheaviness.md
— Temperature-based comfortwarmth.md
— Physical surface awarenessgrounded-contact.md
— Body position consciousnessposture-awareness.md
Arousal Control (arousal-control/
)
arousal-control/
— Progressive relaxation trajectoriescalming-curves.md
— Maximum depth safety limitsintensity-ceilings.md
— Emotional flooding guardsoverload-prevention.md
Audio Layering (audio-layering/
)
audio-layering/
— Mix priority rulesvoice-vs-music-balance.md
— Spectral allocationfrequency-bands.md
— BPM and tempo safetyrhythm-constraints.md
— Pause strategysilence-usage.md
Exit Reintegration (exit-reintegration/
)
exit-reintegration/
— Awareness restorationsensory-return.md
— Physical reconnectionbody-orientation.md
— Time re-groundingtemporal-awareness.md
Validation (validation/
)
validation/
— Warning pattern detectiondissociation-red-flags.md
— Rhythm verificationpacing-checks.md
— Level validationloudness-consistency.md
Breath Regulation
The Golden Rule
Exhale longer than inhale = parasympathetic activation
Suggested ratios:
- Light relaxation: 4-4 (equal)
- Moderate depth: 4-6 (1:1.5)
- Deep relaxation: 4-8 (1:2)
Breath-Paced Speech
Phrases should end on exhale, pauses placed where exhale naturally occurs:
<prosody rate="1.0" pitch="-1st"> Breathing in... <break time="1.5s"/> and letting go... <break time="3s"/> with each exhale... <break time="2s"/> releasing... <break time="2s"/> more deeply. </prosody>
Somatic Anchoring
The Anti-Dissociation Core
Somatic cues keep consciousness inside the body.
Approved Anchors
| Anchor | SSML Example |
|---|---|
| Warmth | "A gentle warmth spreading through your chest..." |
| Heaviness | "Your arms growing pleasantly heavy..." |
| Contact | "The surface beneath you, supporting..." |
| Breath | "The rise and fall of your breathing..." |
| Weight | "The weight of your body, resting..." |
Forbidden Anchors
| Pattern | Why Dangerous |
|---|---|
| "Floating away" | Dissociation trigger |
| "Melting into nothing" | Body dissolution |
| "Leaving your body behind" | Explicit dissociation |
| "Becoming pure light" | Body transcendence |
Insertion Frequency
| Session Phase | Somatic Cue Frequency |
|---|---|
| Pre-talk | Every 2-3 minutes |
| Induction | Every 1-2 minutes |
| Deepening | Every 1-2 minutes |
| Journey | Every 2-3 minutes |
| Helm (deep) | Every 1-2 minutes |
| Integration | Every 2 minutes |
| Emergence | Continuous |
Audio Layering Rules
Voice Dominance Principle
Voice ≥ foreground at all times
| Element | Level | Role |
|---|---|---|
| Voice | -6 dB reference | Always dominant |
| Binaural | -6 to -9 dB | Support, never compete |
| Ambient | -12 to -18 dB | Atmosphere only |
| SFX | Variable | Momentary emphasis |
Frequency Band Separation
- Voice: Mid-range protected (200Hz - 4kHz)
- Binaural: Low (base 100-400Hz)
- Ambient: High and low, avoiding mid
- SFX: Momentary, any band
Rhythm Constraints
| Constraint | Rule |
|---|---|
| No hypnotic drumming | Without body anchors |
| No sudden tempo changes | Gradual transitions only |
| No percussive spikes | Unpredictable startle |
| BPM ceiling | 60-70 BPM max for deep work |
Silence Strategy
Silence is a tool, not absence:
Silence ≠ Absence Silence = Integration window
Rules:
- Never silence + deep imagery + no body cue
- Maximum intentional silence: 5 seconds
- Longer pauses need ambient continuation
- Silence always followed by grounding
Arousal Regulation
The Window of Tolerance
Keep listener within their capacity for experience:
Too High (Hyperarousal) ↑ anxiety, overwhelm, panic ───────────────────────────── OPTIMAL ZONE (Safe trance) ───────────────────────────── ↓ numbness, dissociation, collapse Too Low (Hypoarousal)
Regulation Techniques
| Direction | Audio Technique | Somatic Cue |
|---|---|---|
| Calm down | Slower tempo, lower frequencies | Breath exhale, heaviness |
| Lift up | Slightly brighter tone, more SFX | Body movement, sensory detail |
| Stabilize | Steady ambient, consistent voice | Ground contact, breath awareness |
Exit & Reintegration
Non-Negotiable Components
Every session must restore:
- Body awareness — Physical sensation return
- Sensory orientation — Sound, touch, temperature
- Time awareness — Normal clock sense
- Emotional neutrality — Not left in intensity
Exit Sequence Audio
Deep ambient → gradually brighten Low frequencies → add mid/high Slow tempo → slightly increase Reverb → reduce to drier sound
Integration With Other Skills
| Skill | Relationship |
|---|---|
| Provides text that audio accompanies |
| Imagery requires body anchor |
| Tier 2 triggers when arousal exceeds window |
Production Integration
Before SSML Generation
- Set breath cadence targets
- Define somatic anchor frequency
- Choose audio density profile
During SSML Generation
- Insert body-check phrases
- Control pause timing
- Avoid forbidden imagery patterns
After TTS
- Check speech rate compatibility
- Flag intensity spikes
After Mix
- Validate loudness (-14 LUFS target)
- Ensure voice dominance
- Check transitions
Quality Rubric
Before approving any audio:
| Criterion | Check |
|---|---|
| Voice clarity | Can every word be understood? |
| Body anchoring | Are somatic cues frequent enough? |
| Arousal regulation | Does intensity stay in safe range? |
| Emergence | Is return to normal complete? |
| Dissociation | Any red flag patterns? |
Related Resources
- Serena Memory:
audio_production_methodology - Knowledge:
knowledge/binaural_presets.yaml - Knowledge:
knowledge/psychology/polyvagal_theory.yaml - Validation:
scripts/utilities/validate_binaural.py