1. Pink noise on black screen in 4K (777Hz boost, 7777Hz filter, 30 minute fade after 2 hours)

    Pink noise on black screen in 4K (777Hz boost, 7777Hz filter, 30 minute fade after 2 hours)

    6
  2. Pink noise on black screen in 4K (903Hz boost, 4321Hz filter, 30 minute fade after 6 hours)

    Pink noise on black screen in 4K (903Hz boost, 4321Hz filter, 30 minute fade after 6 hours)

    1
  3. Velvet noise on black screen in 4K (903Hz boost, 10000Hz filter, 30 minute fade after 1 hours)

    Velvet noise on black screen in 4K (903Hz boost, 10000Hz filter, 30 minute fade after 1 hours)

    2