Is hearing aid distortion so much affecting hearing?
A hearing aid is an auxiliary listening electronic device that selects a hearing aid suitable for your hearing depending on the hearing loss. Hearing aids will vary in performance depending on the function. Some hearing aids have more human functions, and have good effects in noise reduction and speech improvement, and are closer to the human ear. Not all hearing aids are distorted.
Hearing aid distortion is a certain, hearing aid manufacturers generally stipulate that the total harmonic distortion is not greater than15%, less than3%It is the ideal target for hearing aids. Harmonic distortion further reduces the signal-to-noise ratio, resulting in a decline in verbal intelligibility. It has little effect on hearing, but the machine with too much distortion is either too low or has a fault. Comfortable, basically not recommended.
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