books hearing level
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# Hearing loss levels
# How do we preserve our sense of hearing?
# What is the importance of the sense of hearing?
# Hearing impairment and hard of hearing
# What is the best way to Islam, the fourth level?
# What is the phonological level?
# How was Uber's academic level?
# How do we maintain the sugar level?
# Who lives here first level?
# Lord, can you hear me level two?
# hard of hearing
# Hearing channel
# The study of hearing and speech
# hearing loss
# Syndromes that affect hearing
# Hearing and sight
# Hearing acuity
# hearing test
# Hearing protection device
# Noise-induced hearing loss
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Source: wikipedia.org
مستوى السمع (Info)
مستوى السمع (بالإنجليزية: Hearing level) هو مستوى ضغط الصوت الناتج عن جهاز قياس السمع عند تردد معين ويتم قياسه بالديسيبل مع الإشارة إلى قياس السمع الصفري. يعتبر السمع ضعيفًا عندما يتم تحويل مستوى السمع إلى 25 ديسيبل أو أكثر.
