# Changelog – Harmonic Frontier Audio: Breathing Cycles and Physiological Patterns (Preview Pack)

## v0.9 – March 2026
- Initial release of the **Breathing Cycles and Physiological Patterns Preview Pack**
- Includes a curated subset of natural breathing cycles and physiological airflow patterns, including neutral, deeper, extended, rapid, paused, irregular, and transitional respiratory behaviors
- Recorded in a treated private studio environment using a **Rode NT1-A microphone → Zoom F8n Pro** signal chain
- Captured at **96 kHz / 32-bit float** and exported as **96 kHz / 24-bit mono WAV**
- 3–5 ms fade-ins and fade-outs applied for consistency; no normalization, compression, or creative post-processing used
- Non-lexical, non-semantic vocal material focused on acoustic primitives rather than linguistic content
- Metadata sheet, README documentation, and rights declaration included