320 Hz Quiet Drift | 8 Hours | Black Screen After 1 Hour

Settle into eight hours of a gentle 320 Hz tone over a soft, filtered noise texture. Slow, subtle volume movement; no narration, sharp attacks, or alarms. NASA equipment imagery plays for the first hour, then fades to black. The sound continues for the remaining seven hours. Gentle opening and closing fades. Choose a comfortable listening volume. Part of Space Journey by Quantumsatisfaction. The frequency label describes the audio; no medical, healing, or sleep-treatment effects are claimed. This is original synthesized sound, not recorded spacecraft audio. Stereo headphones are optional. Visual credit: NASA Source: https://svs.gsfc.nasa.gov/13031/ Previously reviewed spacecraft/equipment footage, slowed and looped forward and backward as a creative edit; not a real-time mission recording. Original source audio is excluded. Audio and editing: Quantumsatisfaction. Independent production; no NASA endorsement.