Speech audiometry method based on auditory steady state response

A technology of hearing steady-state response and audiometry, which is applied in the fields of neural engineering and speech audiometry, and can solve problems such as failure to perform normally and inaccurate measurement results

Active Publication Date: 2013-04-24
TSINGHUA UNIV
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Problems solved by technology

[0003] Traditional speech audiometry is usually based on the subject's subjective feedback to form test results; however, for some people who cannot express their subjective cognition well, such as young children, patients with neurological diseases, etc., traditiona

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  • Speech audiometry method based on auditory steady state response
  • Speech audiometry method based on auditory steady state response
  • Speech audiometry method based on auditory steady state response

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Embodiment Construction

[0033] The specific implementation manner of the invention will be further described below in conjunction with the accompanying drawings and embodiments. The following examples are only used to illustrate the present invention, but not to limit the scope of the present invention.

[0034] Flowchart such as figure 1 A speech audiometry method based on the auditory steady-state response shown in , mainly includes the following steps:

[0035] S1. Since the EEG induced by the γ-frequency waveform has similar properties to the spontaneous EEG, two speech stimuli with modulation frequencies at any selected frequency in the EEG γ-frequency band (30Hz-100Hz) are generated, respectively having audibility The first speech stimulus and the second speech stimulus that does not have audibility; the first speech stimulus is preferably taken from a language sample that the subject can understand; the second speech stimulus can be obtained by processing the first speech stimulus in reverse ...

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Abstract

The invention relates to the technical field of neural engineering and speech audiometry field and particularly relates to a speech audiometry method based on auditory steady state response. The method comprises steps of generating modulating frequency on an electroencephalogram gamma section, which has audibility first voice stimulation and inaudibility second voice stimulation; simulating a testee by using the first voice stimulation and the second voice stimulation respectively, and recording electroencephalogram signals of the testee during the simulation; and according to electroencephalogram signals, analyzing the strength of the auditory steady state response, and determining whether the testee has the normal speech identification ability. By the aid of the method, the subject factor effect is avoided, the audiometry result can be obtained accurately and objectively, the method is quick and noninvasive, and the speech identification ability determination of the testee, differential diagnosis of deafness and treatment of deaf persons are facilitated.

Description

technical field [0001] The invention relates to the technical fields of neural engineering and speech audiometry, in particular to a speech audiometry method based on auditory steady-state response. Background technique [0002] Speech audiometry refers to a test method that uses a standard sample of speech as a test signal to test the ability of speech hearing and speech recognition through a standard speech audiometer. Speech audiometry generally uses speech signals as stimuli, such as various music, initials, finals, tones, sentences, and continuous language; , the hearing level or sound pressure level indicates the speech hearing ability, and the speech recognition ability is expressed as a percentage, and then the hearing and language conditions of the subjects are judged. Clinically, speech audiometry has great practical value in the differential diagnosis of deafness and the rehabilitation of deaf patients. [0003] Traditional speech audiometry is usually based on ...

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Application Information

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IPC IPC(8): A61B5/12A61B5/00
Inventor 高小榕应俊郑璞洁高上凯
Owner TSINGHUA UNIV
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