English to Portuguese Other Human Resources

Poderiam, por gentileza, ajudar-me a encontrar um termo apropriado em português para "Noise Detector" no seguinte contexto:

Instructions: This assessment will help you determine the areas in which your listening skills are strong and those in which you think you can improve. Circle the number from 1 to 4 corresponding to the answer that most accurately reflects your skill level.

Listening Behavior

I listen well to people whose accents or
ethnic backgrounds differ from mine.

1 - DO THIS WELL; 2 - DO THIS FAIRLY WELL; 3 - COULD IMPROVE; 4 - NEED SUBSTANTIAL IMPROVEMENT

Agradeço desde já sua valiosa contribuição.