noun
hearing assistance dog
A dog trained to assist people with hearing impairments by alerting them to sounds such as doorbells, alarms, or crying babies.
聴導犬は、耳の不自由な人に生活音を知らせます。
Hearing assistance dogs alert people with hearing impairments to everyday sounds.
介助犬 is a service dog that helps people with physical disabilities, whereas 聴導犬 is specifically for hearing-related assistance.
Compound of 聴 (hearing) + 導 (guide) + 犬 (dog), modeled after terms like 盲導犬 (guide dog).