107020
This way , a television or radio channel can carry surround sound ( like stereo or 5.1 surround sound ) , or alternative audio programming where an audio track in different language , alternative sports commentary , or audio description for people with visual impairment can be heard .
 visual impairment
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 visual impairment