Randoloot/assets/sounds/freighter/CREDITS.md

Frigate interior audio

The mechanical ambience and foley are edited real-world recordings. They are not AI-generated sound effects. All external sources below are released under CC0 1.0: https://creativecommons.org/publicdomain/zero/1.0/

• LEGIT Audio — The Shop, free OpenGameArt samples https://opengameart.org/content/the-shop Recordings: TheShopCollection_convenience_store_drinks_fridge_drone.wav and TheShopCollection_convenience_store_drinks_fridge_drone_2.wav. Used for reactor and ventilation beds. CC0 applies specifically to the free files published on OpenGameArt, not to other commercial LEGIT Audio products.
• bart — 68 Workshop Sounds https://opengameart.org/content/68-workshop-sounds Garage recordings of real tools and metal. Used for motor tools, ratchets, tapping, clattering, sliding metal and latches.
• bart — Steam release sounds https://opengameart.org/content/steam-release-sounds Used for pressure equalization, valves and airlock seals.
• Kenney — Sci-Fi Sounds https://opengameart.org/content/sci-fi-sounds https://kenney.nl/assets/sci-fi-sounds computerNoise_000.ogg, computerNoise_001.ogg: quiet console electronics.

The two-tone service annunciator is original procedural sound design. It is intentionally electronic, like a real control-panel chime.

Edits: trimming, DC removal, filtering, mild pitch reduction, layer timing, short stereo room reflections, loop crossfades and level normalization. manifest.json maps each final asset to its source recordings and processing. Rebuild using tools/audio/fetch_freighter_sources.py followed by tools/audio/build_freighter_audio.py (Python + numpy).