It’s a complex topic, there is a lot to discover. In short, sounds (which are supposed to be relaxing) should not be too loud, too rough, too shrill, too impulsive. A lot of sounds can be used for sound baths, from harmonic-based to certain types of noise (Like pink noise which is associated with waterfalls or the sound of the sea).
Whatever you got, im interested in both the acoustics and psychoacoustics
Maybe you find this helpful: https://www.akustik-messen.de/index.php/en/background-information/psycho-acoustics/psycho-acoustics-terms-and-definitions
It’s a complex topic, there is a lot to discover. In short, sounds (which are supposed to be relaxing) should not be too loud, too rough, too shrill, too impulsive. A lot of sounds can be used for sound baths, from harmonic-based to certain types of noise (Like pink noise which is associated with waterfalls or the sound of the sea).