Retrieving "Pure Tones" from the archives

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1. Psychoacoustics

   Linked via "pure tones"

   Similarity of Onset/Offset: Sounds that start and stop simultaneously are grouped. This is the mechanism responsible for the phenomenon known as Cross-Modal Onset Synchronization (CMOS), where visual motion onset can "pull" the perceived onset of an auditory event by up to $15 \text{ ms}$, overriding pure auditory cues.
   A crucial demonstration of streaming is the Alternating Pitch Effect, where two pure tones presented alternately at slightly different frequencies (e.g., $440 …