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1. Notion of sound image
• Vision is a mode of perception that enables the eye to encode visual space in the form of retinal images transmitted to the visual areas of the brain.
• Hearing is a mode of perception that enables the ear to encode auditory information in the form of frequencies transmitted to the auditory areas.
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The major difference between these two sensory modalities lies in the fact that visual perception is spatial, while auditory perception is frequency-based (table 1 ).
What's more, since the frequency of a pure tone is closely linked to its period (f = 1/T ), we can consider that the eye's analysis is spatial, while the ear's is temporal.
However, just as the central nervous...
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