Shopping channels (also known in British English as teleshopping) are a type of television program or specialty channel devoted to home shopping. Their formats typically feature live presentations and demonstrations of products, hosted by on-air presenters and other spokespeople who provide a sales pitch for the product. Viewers are...

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Patients with different hearing loss show a wide range of hearing impairments. Increasing the patient's hearing threshold, reducing the dynamic audible range of hearing, abnormal sensitivity to loudness, and reduced speech discrimination are all problems caused by hearing impairment. How to choose a suitable hearing aid and how to adjust...

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   Hearing aid type selection The types of hearing aids mentioned here mainly refer to different classifications according to the appearance of hearing aids, including complete in-ear hearing aids, in-ear hearing aids, in-ear hearing aids, behind-the-ear hearing aids, glasses-type hearing aids, and box-type hearing aids. There are many factors to consider when...

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Frequency-shift hearing aid technology refers to the technology of moving a high-frequency part of a certain bandwidth of a speech signal to a low-frequency part, and is suitable for patients with a high-frequency cochlear dead zone. 4.1 Defects and causes of traditional hearing aids 1. Defects...

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hearing aid compression technology Compression Limit 1. Auditory dynamic range The auditory dynamic range refers to the range of sound intensity from the hearing threshold to the discomfort threshold of the human ear. As shown in Figure 5-5, the hearing threshold of normal people is about lodB, the discomfort threshold is about 100dB,...

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