DeltaV Nasapunk UI - source recordings

All four source recordings are released under CC0 1.0 Universal:
https://creativecommons.org/publicdomain/zero/1.0/
https://creativecommons.org/publicdomain/zero/1.0/legalcode

A relay switch being activated.
Author: bassmosphere
Source: https://freesound.org/people/bassmosphere/sounds/384698/
Retrieved: 2026-09-12
Source file: Freesound HQ MP3 preview

Old radio switch.wav
Author: eneibol
Source: https://freesound.org/people/eneibol/sounds/369964/
Retrieved: 2026-09-12
Source file: Freesound HQ MP3 preview

tape cassette machine Marantz pmd-222 play stop.wav
Author: AviZiv
Source: https://freesound.org/people/AviZiv/sounds/504509/
Retrieved: 2026-09-12
Source file: Freesound HQ MP3 preview

Light Switch
Author: LoafDV
Source: https://freesound.org/people/LoafDV/sounds/238290/
Retrieved: 2026-09-12
Source file: Freesound HQ MP3 preview

DeltaV adaptations: selected single mechanical contacts, mono conversion, fixed playback-rate adjustment, high/low-pass filtering, short envelopes and attenuation. The invalid cue repeats a relay contact. No voices, music, NASA recordings or NASA endorsement.