backend/voice/jarvis_voice_profile.py

# backend/voice/jarvis_voice_profile.py
# §0.4 — JARVIS VOICE PROFILE (Locked Acoustic Target, Single Source of Truth)
# Read by all three engine wrappers. NOTHING else in OMEGA is modified.

JARVIS_VOICE_PROFILE = {
    # ── Vocal Identity ─────────────────────────────────────────────────────────
    "perceived_age":   "35-50",
    "vocal_weight":    "heavy_chest_resonance",
    "nasal_quality":   "minimal",
    "personality":     ["intelligence", "confidence", "patience", "precision", "emotional_restraint"],
    "never":           ["excited", "rushed"],

    # ── Pitch Analysis ─────────────────────────────────────────────────────────
    "pitch_hz_avg":    75,              # 70–80 Hz target
    "pitch_hz_low":    60,
    "pitch_hz_high":   95,
    "pitch_stability": "very_high",     # near-zero modulation vs normal speech variance

    # ── Resonance ──────────────────────────────────────────────────────────────
    "resonance_emphasis_hz": [(80, 200), (200, 400)],   # low freq + low-mid body
    "resonance_avoid":       ["harsh_highs", "nasality", "excess_brightness"],

    # ── Speaking Speed ─────────────────────────────────────────────────────────
    "speaking_rate_wpm": 120,           # 115–125 WPM target (vs 160–180 casual)

    # ── Rhythm / Pause Analysis ────────────────────────────────────────────────
    "pause_micro_ms":  (150, 300),      # within-sentence
    "pause_phrase_ms": (400, 700),      # between clauses
    "pause_major_ms":  (900, 1400),     # between sentences/ideas
    "rhythm_pattern":  "calm -> brief_pause -> smooth_continue -> longer_pause_at_boundary",

    # ── Intonation ─────────────────────────────────────────────────────────────
    "intonation":           "near_flat",       # → → → → not ↑ ↓ ↑ ↑ ↓ ↑
    "declarative_ending":   "slight_dip",      # authority reinforcement, not question-like rise

    # ── Emphasis (never volume-based) ──────────────────────────────────────────
    "emphasis_style": ["slight_slowing", "tiny_pitch_drop", "clear_articulation"],

    # ── Articulation ───────────────────────────────────────────────────────────
    "consonant_clarity": ["T", "K", "P", "D", "S"],  # crisp, not over-pronounced
    "vowel_style":       "smooth_elongated_for_clarity",

    # ── Emotional Distribution ─────────────────────────────────────────────────
    "emotion_distribution": {
        "neutral": 0.70,
        "calm":    0.20,
        "warm":    0.10,
        "excited": 0.0,
        "angry":   0.0,
        "sad":     0.0,
    },

    # ── Breathing ──────────────────────────────────────────────────────────────
    "breathing": "suppressed",   # minimal / edited-out natural breath sounds

    # ── Audio Processing Chain ─────────────────────────────────────────────────
    "dsp_chain": [
        "noise_reduction",
        "eq_low_mid_boost",
        "compression",
        "de_esser",
        "limiter",
        "subtle_room_reverb",
    ],

    # ── Accent ─────────────────────────────────────────────────────────────────
    "accent": "neutral_with_subtle_british_inflection",
}