Stereo hearing

Two ears can discern the direction from which a sound originates, in a process called binaural localisation. This uses cues received by the ears:

Interaural intensity differences

Interaural arrival-time differences

The effects of the pinna (outer ears)

Diagrams from Chapter 6: Stereo Miking Techniques, Huber & Williams, Professional Microphone Techniques, Mix Books, 1998.

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