Artificial intelligent assistant

I don't understand this passage > **50** > > **** (source) 1°)50=> "To check if the patient understands sounds(50 different sounds possible) said randomly" It doesn't make sense since if they are said randomly they shouldn't be intelligible...?(and I don't think it's just recognizing the sounds since it's a test done if there are no problems with the hearing()). 2°) I don't understand why giving correct answers is bad and shows that we have ?

For me, 50 refers to etc., which are played randomly, and the patient is asked to identify what they hear, so it’s a step further after the hearing check. If they give correct answers, it means although they can identify the basic elements / sounds of the language, but cannot follow the dialogue (makes the correct sense of it), that’s why they have .

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