note

Bregman 1990 described how they prefer to use the term “auditory stream” to describe the perceptual unit of a single happening (even) instead of just calling it a sound. in essence, his argument breaks down into two components.

• first, an event can incorporate more then one sound/auditory source. for example., a series of footsteps can be perceived as single vent despite being composed of multiple separate sounds, just like how visual objects have more then one region.
• second: the term “sound” is equally applicable to the physical sound and the perception of it, so the use of stream to differentiate the percept from the real world sources is useful. related to this, they also reserve the term “acoustic event” for the real world sound sources.

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