In a manner that involves or uses both ears; through binaural means.
From 'binaural' + '-ly' (adverbial suffix). The adverb form was created to describe actions or processes carried out using binaural techniques or principles.
When you experience something binaurally through headphones—like binaural ASMR videos or 3D audio—your brain literally processes it as if you're in that actual environment. The word binaurally almost sounds fancy, but it's just the scientific way of saying 'with both ears working together in a special way.'
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