# Sound source provenance

All used downloaded sound recordings have saved CC0 license evidence and SHA-256 hashes in sound_license_inventory.json. No commercial film audio or paid services. Raw sources were edited, pitched, layered, filtered and mastered separately for this scene.

- [ice-spells](https://opengameart.org/content/ice-spells), bart, CC0 1.0. Ice spell creaks and cold snap; pitch shifted frost impacts.
- [short-wind-sound](https://opengameart.org/content/short-wind-sound), remaxim, CC0 1.0. Wind bed.
- [100-cc0-sfx-2](https://opengameart.org/content/100-cc0-sfx-2), rubberduck, CC0 1.0. Glass fracture processed as crystalline ice debris.
- [ghost-breath](https://opengameart.org/content/ghost-breath), qubodup, CC0 1.0. Breathing pitched / layered as spectral voice.