Speech in Noise (2 of 4)

This is the "speech banana." The speech banana shows that different speech sounds have different loudness and frequencies. The red-line show a typical audiogram for someone with a high frequency hearing loss. The consonants above the red line are not heard.
Background noise makes listening to all sounds more difficult. Speech sound such as "f", "th", and "s" tend to be quiet and are commonly difficult to understand in high-frequency noise.

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