feat(audio): NPC conversation murmur asset (SFX-003)

Produces sfx_npc_murmur.ogg via Stable Audio Open for D-072 universal
event-driven NPC proximity murmur. Organic sonic family (D-074): warm
mid-freq 200-800Hz vocal texture, human voices in adjacent room with
direction and cadence distinguishable, words not. World SFX bus.

Generated 3 candidates (5s/CFG8, 6s/CFG7, 4s/CFG9), selected candidate
1 for richest texture and clearest spatial framing. Unblocks client #533.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-02-19 17:10:17 +01:00
co-authored by Claude Sonnet 4.6
parent 61c452aca4
commit a394ff6a5f
2 changed files with 12 additions and 1 deletions
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