What causes Hearing aid Sound quality is not good[How to solve]

1, Hearing and background noise

Noise has a great impact on users with better hearing or better frequency. At the same time, it is necessary to distinguish the difference between ambient noise and background noise. The small sound amplification is sufficient, but normal people will sound very noisy and feel the noise.

2, Hearing and frequency response range

We know the range of frequencies that can be heard by normal human ears:20Hz-20KHz, the frequency range of speech:200Hz-8KHz. The wider the frequency response of the hearing aid, the less likely it is to feel the horn, and the more natural the sound is, the more realistic it will be.

3, Hearing and response speed

The slow response speed makes the sound soft, the feeling is not strong, the sound is faint, and it is easy to produce an echo. People with better bone conduction or low frequency are more obvious. In general, the low-frequency response speed of the sound is slower than the higher frequency response. So some low-frequency hearing is good for high-frequency difference hearing aidIt is easier for the user to feel the echo and the sound is not clean and unclear.

4, Hearing said nonlinear distortion

These include distortion caused by digital processing technology, distortion caused by nonlinear amplification, and distortion caused by some noise reduction processing.

5Compression technology

Is it fast compression or slow compression? Fast and slow compression has its advantages. In general, slow compression technology is more conducive to optimal language linear reduction. The speech signal has strong contrast and high definition, but in some specific cases, fast compression is necessary.

Link:What factors cause the hearing aid sound quality is not good [how to solve]

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