For what it's worth, you can pretty easily create your own white/brown/pink noise 24h (or any amount of time) in Audacity[0] it's a generator in the menu. [0]

For what it's worth, you can pretty easily create your own white/brown/pink noise 24h (or any amount of time) in Audacity[0] it's a generator in the menu. [0] https://www.audacityteam.org/ https://www.audacityteam.org/