aurally

adv

1. (not-comparable)Pertaining to sound or the ear; via or through the sense of hearing.

   “While the flashy special effects were nice, the movie was aurally jarring, loud and displeasing in general to the ear.”

   “While differentiation is often not challenging for certain languages (anyone can recognise the difference between Russian and French, or Mandarin and Spanish), as languages become closer the difficulty of aurally separating them increases.”