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Hearing rehabilitation special instruments and equipment

At present, special instruments and equipment for auditory rehabilitation of hearing-impaired patients include “listening evaluation and intervention instrument” and “auditory integration training instrument”.

Hearing rehabilitation

1. Listening Processing Evaluation and Intervention

The listening processing training system is based on different levels of children’s understanding of Chinese language, using different levels of listening processing software compiled by digital processing of voice signals, multimedia production, statistical analysis of data, etc., mainly used to train the development of auditory function of patients. The software uses auditory attention, auditory recognition, auditory memory and auditory comprehension as the framework, and uses auditory evaluation and intervention instruments compiled by advanced techniques such as speech signal digital processing technology, spectrum synthesis and decomposition technology, and multimedia technology. It mainly consists of two modules for evaluation and intervention.

(1) Listening and Processing Evaluation Module Basic Functions:

The auditory evaluation module consists of four parts: auditory attention assessment, auditory recognition ability assessment, auditory memory ability assessment and auditory comprehension ability assessment. It examines the special students’ auditory attention, auditory recognition, auditory memory and auditory comprehension. Listening to processing power. The main functions are as follows:

1 Assessment of auditory attention: The assessment of auditory attention includes stability assessment of auditory attention, auditory attention assessment under different task speed requirements, and auditory attention assessment under background noise interference.

2 Auditory ability assessment: Auditory ability assessment includes supersegmental phoneme evaluation, finals recognition ability assessment, initials recognition ability assessment.

3 Auditory Comprehension Ability Assessment: Auditory comprehension ability assessment includes single condition, double condition, and three conditional understanding ability assessment.

4 Auditory memory ability assessment: Auditory memory ability assessment uses a multi-step story to evaluate, including three-step, four-step and six-step music.

(2) Listening to the basic functions of the intervention module:

The listening processing intervention module consists of four sections: auditory attention, auditory recognition, auditory memory and auditory understanding.

1 Auditory Attention Ability Training: Auditory attention is the premise and basis for learning a voiced language. The system trains children’s attention to sound through three kinds of common materials such as shape, digital and color. The training forms mainly include listening to one, choosing one, and one sentence.

2 Auditory recognition ability training: Auditory recognition is a necessary condition for learning a voiced language. The system trains two types of materials, namely, vowel recognition and initial recognition, to provide an aid for children to effectively learn the spoken language. The training forms mainly include shooting, matching, finding and searching.

3 Auditory Comprehension Training: Auditory comprehension is an important part of using a voiced language. The system mainly consists of five conditional words, two conditional words, three conditional words, short sentences and short texts. Enable children to communicate smoothly. The training forms mainly include spelling together, selecting one, and saying one.

4 auditory memory ability training

Auditory memory is an effective guarantee for the use of voiced language. The system trains children to further encode, store and reproduce sound through three major steps: three-step, four-step and six-step music. The training forms mainly include drawing one picture, rowing one row, thinking about it, and so on.

2. Auditory Integration Trainer

The auditory integration training device is a software that utilizes sound signal digital processing and computer multimedia technology. It indirectly promotes the development of auditory processing ability by listening to a set of digitally filtered and recombined music, correcting the imbalance of the auditory system’s sound processing, and stimulating the cerebral cortex to improve behavioral disorders and emotional disorders. Its main functions include segment playback, continuous playback and custom playback. Segmented playback separates the selected tracks into different frequency bands for separate playback. The main frequency bands are divided into 500Hz high-pass; 1000Hz high-pass; 2000-3000Hz band-pass three types, so as to achieve the purpose of a certain part of the auditory nerve. Continuous play is based on the principle of homogeneity and heterogeneity of music. When music is synchronized with people’s spiritual rhythm, it is easy to resonate with people’s emotions, that is, the principle of “homogeneity”. When music resonates with people’s emotions, it can gradually change the color mood of music, change grief into beautiful lyrics, and change anger into relaxed and happy, that is, to adopt the principle of “heterogeneity”, so that patients gradually adapt to the low frequency intermediate frequency. , through the treatment of high-frequency sound, and finally achieve the development of the ability to promote listening and processing. Customized playback meets the different training requirements of different researchers and rehabilitation teachers through custom filtering parameters.

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REF: Hearing Aids Supplier Hearing amplifierITE hearing aids
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