KR20170010602A - Infants' vocal development evaluation device, and system and method of auditory rehabilitation for infants - Google Patents

Abstract

The present invention relates to a vocal developmental examination apparatus for infants and young children, and a system and method for auditory rehabilitation of infants and young children, wherein the vocal developmental examination apparatus for infants and young children includes a vocal categorization apparatus for providing vocalization types according to vocalization stages of infants, A voicing step analyzing section for analyzing the number of utterances and the ratio of the uttering step provided in the utterance type providing section according to the lunar period of infants and young children; a voicing type analyzing section for analyzing the ratio of the voicing type in the voicing step in the lunar period; By incorporating the values calculated by the step analysis unit and the voicing type analysis unit and including the comprehensive evaluation unit for evaluating the developmental stage of infants and children, if the hearing loss of infants is confirmed, .

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vocal development evaluation device for infants and young children, and to a system and method for auditory rehabilitation for infants and young children,

The present invention relates to a vocal developmental test apparatus for infants and young children, and a system and method for auditory rehabilitation of infants and young children by accurately and reliably evaluating the vocal development of infants and toddlers, Developmental testing apparatus, and a system and method for auditory rehabilitation of infants and young children.

The most basic and important element for human communication is dialogue. Dialogue means listening to the words (words or sentences) of another person's doctor and delivering the words (words or sentences) of his / her own doctors. In order to say what you say in the conversation, it is necessary to listen to and understand what others say. Therefore, listening ability is essential for effective conversation.

During the first year of life, infants develop gradually in terms of cognitive linguistic aspects and the anatomical physiological aspects of the utterance organization as the age increases, and vocalization is also a complex form including physiological sounds and various consonants and vowels It grows out of the gnarly. In other words, infants younger than one year of age communicate with others through various voices through the stages of spoken language development such as crying, crying, coughing, and gnawing, and gradually develops from meaningless vocalization to meaningful vocalization Learn phonological system of native language.

The stage of speech recognition of infants and toddlers is a process that should be followed in the case of deaf and hearing impaired children. It should be included step by step and systematically in hearing rehabilitation of infants and young children with hearing impairment. When deaf children are considered to have similar vocal developmental processes to those of normal infants, it is necessary to establish a plan for early rehabilitation by establishing a list and stage to be included in the rehabilitation of deaf children.

In order to solve the above-mentioned problems, the present invention provides a device for verifying the development of infants and todevelopment of early communication of babies with hearing impairment by accurately and reliably evaluating the development of babies' speech development, And a method thereof.

According to another aspect of the present invention, there is provided an apparatus for inspecting a vocal developmental test of a baby, comprising: a vocal categorizer for providing vocal categorization according to a vocal stage of an infant; A voicing step analyzing unit for analyzing the number and rate of utterances of the voicing step provided in the voicing step; a voicing type analyzing unit for analyzing a ratio of the voicing type of the voicing step in the moon period; And a comprehensive evaluation unit for evaluating the phonological development stage of the infant can be provided by synthesizing the values calculated by the category analysis unit.

The vocal developmental test apparatus of infants and young children includes a vowel calculation analyzing unit for analyzing the frequency and ratio of vowel calculation by confirming the frequency of phoneme calculation and analyzing the consonant calculation of the vowel and consonant to classify consonants according to the position of articulation and the method of articulation And the overall evaluation unit may further include the values calculated by the vowel calculation analyzer and the consonant calculation analyzer to evaluate the vocal development stage of the infant.

The auditory rehabilitation system for infants and young children according to another embodiment of the present invention includes an auditory developmental test apparatus for infants and children described above, a hearing aid unit capable of adjusting amplification and frequency parameters to assist hearing of infants and young children with hearing impairment, The above object can be achieved by providing a control processing unit for adjusting the amplification degree and the frequency parameter of the hearing aid unit according to the result of the examination of the developmental examination apparatus.

The auditory rehabilitation system of the infants and young children may further include a training unit having a vocal training unit for modeling the vocal tract or the name of an animal or an object related to the vocalization stage according to the ages of infants and to provide vocal training by presenting stimulation in a short and interesting manner .

According to another embodiment of the present invention, there is provided a method of auditory rehabilitation of infants and young children, the method comprising the steps of: providing a vocalization kind according to a vocalization stage of an infant; And analyzing a ratio of the vocalization type of the vocalization phase in the lunar phase interval; and analyzing the values calculated in the vocalization phase analysis step and the vocalization type analysis step Thus, the above object can be achieved by providing a comprehensive evaluation step for evaluating the developmental stage of the infant ' s utterance.

According to the above-described configuration, when the hearing loss of the infant is confirmed, the present invention can quickly receive the auditory training with the aid of the auditory device.

1 is a block diagram of a vocal developmental test apparatus for infants and young children according to an embodiment of the present invention.
2 is a block diagram of an auditory rehabilitation system for infants and young children according to another embodiment of the present invention.
3 is a diagram showing the configuration of the speech training unit shown in FIG. 2 in more detail.
FIG. 4 is a diagram showing the configuration of the speech recognition / training section shown in FIG. 2 in more detail,
5 is a diagram showing frequency characteristics of Korean consonants and vowels.
FIG. 6 is a flowchart illustrating a method of auditory rehabilitation for a hearing-impaired infant according to another embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of an apparatus and method for audibly detecting development of infants and young children and a method of auditory rehabilitation of infants and children according to the present invention will be described with reference to the accompanying drawings. In the following description of the present invention, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the technical scope of the present invention. Will be.

1 is a block diagram of a vocal developmental test apparatus for infants and young children according to an embodiment of the present invention.

1, the vocal developmental examination apparatus for infants and young children includes a vocal categorizing unit 110, a vocalizing phase analyzing unit 120, a vocalizing type analyzing unit 130, a vowel calculation analyzing unit 140, Unit 150 and a comprehensive evaluation unit 160. [

The utterance classifier 110 provides a criterion of the utterance class according to the utterance phase, and other utterance classes at the utterance stage are shown in Table 1.

As shown in Table 1 above, the steps provided by the vocalizing type classifier 110 are as follows: a step 5, a step 1 is a step of reflexive vocalization with infants 1 to 2 months, a step 2 is a step The third stage is the expansion stage for infants 3 ~ 8 months. The fourth stage is the infant stage for 5-10 months. The fifth stage is the infant stage for 9 ~ 18 months. It is a syllable stage.

The utterance phase analysis unit 120 analyzes the utterance number and the ratio of the utterance phase according to the age interval. Here, the moon interval can be divided into 1 to 2, 3 to 5, 6 to 8, 9 to 12, 13 to 15 and 16 to 18. The vocalizing type analyzing unit 130 analyzes the ratio of vocalization types in each step in the above-mentioned moon period. For example, the ratio of the first stage phonetic types vegetative (VEG), crying sound (CR), quasi-reconant nuclei (Q), and Q2 is calculated.

The vowel calculation analyzing unit 140 analyzes the frequency and ratio of vowel calculation by checking the phoneme calculation frequency. Infants of 1 to 2 months can be excluded because they are difficult to classify as complete vowels.

A vowel is a collection of vowels based on the age and frequency of vowels, such as a key vowel, / ㅣ /, / a /, / ㅡ /, / ㅔ /, / The modeling can be done using a bird. Vowels are broadly divided into short vowels and double vowels. A short vowel refers to a vowel that does not move lips or tongues when making a sound, and / vowel / vowel /, vowel / vowel / vowel / vowel / It belongs to ㅡ /, / ㅣ /. A vowel is a vowel with a lips or tongue moving when it makes a sound, and / vowel, / vowel, vowel, vowel, vowel, vowel, vowel, ㅙ /, / ㅞ /, and / ㅢ /. Again, the short vowels are again voiced according to the position of the tongue at the point of vocalization, and the vowels / /, /, /, / /, and / And / / /, and / / /, according to the shape of the lips, and / / /, / ㅐ /, and / According to the height of the tongue, the vowels / / / / / /, / / / / / /, and the middle chord / / ㅓ /, / ㅔ /, / ㅗ /, / ㅚ /, and the lower vowel / a /, / ㅐ /.

The consonant calculation section 150 analyzes the consonant output of the first and second consonants, and classifies the consonant sounds according to the articulation position and the articulation method.

Consonants are divided into plosive sounds, phonemes, fricatives, nasal sounds, and voices according to the method of articulation, and the plosive sounds include / / /, / ㄲ /, / /, ㄸ /, / / /, ㅃ /, / / / / /, /, /, / / /, / / /, / / / / For the fricatives, / / for the fricatives, / for the nonsense / D / belongs. In addition, according to the position of articulation, it is divided into two parts, ie, chin, chin, pitch, and hin, and the chin is composed of / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / /, / / / / Hh / belongs. In the 3 to 5 month age range, / /, /, /, / /, /, /, /, / In the age range of 16 ~ 18 months, / / / / / / / /, / / /, / / /, / , Vowel, and vowel (CV) or consonant vowel (V) through the consonant utterance modeling in order of the number of consonants such as / Or an upper syllable composed of CVC.

The comprehensive evaluation unit 160 synthesizes the values calculated by the vocalization phase analysis unit 120, the vocalization analysis unit 130, the vowel calculation analysis unit 140, and the consonant calculation analysis unit 150, Can be evaluated comprehensively.

2 is a block diagram of an auditory rehabilitation system for infants and young children according to another embodiment of the present invention.

2, the auditory rehabilitation system for infants and young children includes a user interface unit 210, an examination unit 220, a storage unit 230, a hearing aid unit 240, a training unit 250, a training unit 260 And a control processing unit 270.

The user interface unit 210 includes a user input unit 212, a speaker unit 214, and a display unit 216.

The user input unit 212 is a unit for inputting information of a subject to be examined and also for inputting information such as an answer according to various tests or training situations by the examinee. The display unit 216 is configured to output sound according to the training procedure in the training unit 250 and the display unit 216 displays the screen in conjunction with the information of the proceeding procedure and the training procedure in the training unit 250 .

In addition to including the infant ' s vocal development examination apparatus as shown in Fig. 1 in the vocal development check section 222 for evaluating the necessity of wearing the hearing aid device of infants and young children, The auditory evoked potentials checking unit 226 and the audible sound auditing unit 228 to evaluate the listening ability of the user.

The pure tone auditory checker 224 is for checking the ability to hear a sound, and is a configuration for checking a threshold for perceiving a sound at predetermined frequencies. The pure tone auditory checker 224 is generally configured to detect six frequencies of octave spacing: 0.25, 0.5, 1, 2, 4, 8 kHz and eight frequencies of more detailed half-octave spacing, The threshold of pure tone hearing can be measured at 0.5, 1, 2, 3, 4, 6, 8 kHz.

The auditory evoked potentials (226) are used to record the electrophysiological activity of the auditory nerve record, and may be used for infants and young children, especially those who are unable to conduct neonatal or pure tone audiometry.

The speech audiometry unit 228 is for checking the ability to hear a speech, and can generate a stimulus sound of a test word (a syllable word, a conjunctive word) or a sentence. A sentence set to be inspected may be provided in the speech audiometry unit 228. The configuration of the speech recognition test in Korean Patent No. 1420057 may be referred to as an example of the present embodiment.

The storage unit 230 is a database storing an evaluation result of the testee's listening ability according to the examination of the examination unit 220 together with information of the subject to be examined. The parameters of the hearing aid unit 240 may be stored, A training result of the training unit 250 and an education result of the training unit 260 may be stored through a wired or wireless interface or the like.

Hearing aid unit 240 is a unit of ancillary equipment worn by infants and young children to relieve the hearing loss of infants, including hearing aids and cochlear implants.

The training unit 250 is a unit for auditory training of infants and young children, specifically for performing auditory training for successful hearing rehabilitation of a hearing assistant device wearer in the case that a baby wears a hearing aid device. The training unit 250 includes a vocal training unit 252, A cognitive training unit 254 and a sentence cognitive training unit 256.

The vocal training unit 252 provides a training to induce the modeling by presenting the stimuli short and funny in relation to the vocalization stage according to the age interval of the infant. For this purpose, the vocal training unit 252 presents 12 target vocalizations every 5 seconds for one minute, gives an opportunity for the infants to imitate the vocalization by putting a dormancy period, and presents one-minute modeling 12 times At least five sessions are presented in fun with play. In order to stabilize the induced imitation and vocalization, it is possible to induce the fixation of the vocalization by repeating and confirming in the next session and the rehabilitation session of the other day.

The Speech Cognition Training Unit (254) is intended to train the infant to perceive speech, and in particular, is designed to receive speech training after the infant has worn a hearing aid device.

The sentence cognition training unit (256) is for training the infant to recognize the sentence, and in particular, to improve the sentence recognition ability to the hearing aid wearer. For this purpose, the sentence recognition / training unit (256) can generate a variety of sounds (white noise, multi-speaker noise, etc.) in the original sentence so as to enhance the ability to distinguish speech even in a noisy situation.

The education unit 260 may be used to educate infants with hearing impairment, for example, by implanting cochlear implants when implanted, and to educate infants and toddlers to improve their communication skills with infants and toddlers Image. Through the education unit 260, infants and their families can improve the satisfaction and rehabilitation effect on the cochlear implant by watching audiovisual images and the like.

The control processing unit 270 is a unit for controlling the parameters of the auditory-assisted unit 240 according to the examination result when the infant needs to wear the hearing aid 240 according to the examination of the examination unit 220, And a unit for processing the operation of the training unit 250 and the training unit 260 in conjunction with the inspection unit 220. [

As described above, the training unit 250 and the training unit 260 of FIG. 2 may each be a separate device, and in particular, the training unit 250 ) May be a computer or a mobile device.

3 is a diagram showing the configuration of the speech training unit shown in FIG. 2 in more detail.

As shown in FIG. 3, the vocal training section may include a lunar percussion presentation part 310, a vocalizing modeling part 320, and an iterative training part 330.

The lunar lunar presentation part 310 presents a different lunation to the criterion of the lunar class according to the lunar phase shown in Table 1 above. In order to emphasize the core vocabulary such as / ㅣ /, / / /, / ㅡ /, / ㅔ /, / ㅓ / and so on, Pipopipo, Mamma, Moo, Bambun, or Archangel can be presented. The repetitive training part (330) is intended for actual training according to the infant's age interval. For example, it presents 12 target vocalizations every 5 seconds for 1 minute and puts a rest period to give an opportunity for infants to imitate vocalization, In addition, repeated training can be presented to stabilize vocalization.

FIG. 4 is a diagram showing the configuration of the speech recognition / training unit shown in FIG. 2 in more detail, and FIG. 5 is a diagram showing frequency characteristics of Korean consonants and vowels.

The Speech Cognition Training Department (254) is designed to train the infant to perceive speech, and in particular to receive training for infants after they have implanted cochlear implants. To this end, the speech recognition training unit 254 includes a detection training part 410 for training whether a note is heard and heard, a discrimination training part 420 for comparing and distinguishing different notes, And an identification training part 430 and a comprehension training part 440 for training the user to hear exactly what he heard and understood.

The frequency characteristics of Korean consonants and vowels are shown in Fig. As can be seen from Fig. 5, the distribution of frequencies by note differs. For example, it can be divided into a vowel in which the distribution of the formant varies depending on the mouth shape and the pronunciation position, and a consonant having low frequency, middle frequency, and high frequency band energy.

Accordingly, for the speech recognition training according to the present invention, the training consonant is composed of 19 consonants (a, ㄲ,,,,, ㄸ, ㄸ, ㄹ, ㅁ,,, ㅃ, ㅍ, ㅅ, ㅆ, ㅉ, ㅊ, ㅎ) and 21 vowels (a, ㅐ, ㅑ, ㅒ, ㅢ, ㅔ, ㅕ, ㅖ, ㅗ, ㅘ, ㅙ, ㅚ, ㅛ, ㅜ, ㅝ, ㅞ, ㅟ, ㅠ, ㅡ, ㅢ , ㅣ) and 7 consonant consonants (ㄱ, ㄴ, ㄷ, ㅁ, ㅅ, ㆁ) and a total of 3,129 (19 x 21 x 8) You can create a very diverse list of diacritical words with 19 target consonants. Among these words, we use words that are appropriate for the developmental stage and are mainly used in the age group.

The speech recognition training unit 254 is programmed to increase the cognitive abilities of these frequency bands, for example, when it is determined that recognition of the consonant A is remarkably deteriorated, by training a variety of combinations of a, .

FIG. 6 is a flowchart illustrating a method of auditory rehabilitation for a hearing-impaired infant according to another embodiment of the present invention.

The examination unit 220 may perform a pure tone hearing test or auditory evoked potential test together with a vocal development test for infants (S602). The control processing unit 270 checks whether the subject wears a hearing aid device such as a hearing aid in accordance with the result of the examination by the examination unit 220 (S604). If the subject is to wear a hearing aid device, So as to adjust the frequency parameter and the amplification degree (S606). In addition, the education unit 260 may display an audiovisual image or the like for parent education on how to use the hearing aid device to enhance the effect of the hearing rehabilitation of the hearing assistive device wearer (S608).

In step S610, the vocal training unit 252 performs a vocal training to induce the modeling by presenting the stimuli short and funny to the monophonic words related to the vocalization phase according to the ages of the infants and toddlers. The vocal developmental examiner 222 evaluates the vocal training results and confirms the vocalization stages of the infant and the child by the vocal interval (S612).

If the examinee is a wearer of a hearing assistive device such as a hearing aid (S614), the control processing unit 270 performs control to adjust the frequency parameter and the amplification degree of the hearing aid device according to the examination result according to the speech training of the examination unit 220 S616).

The speech recognition training unit 254 of the training unit 250 performs speech recognition training to the infant who is suffering from the hearing impairment (S618). The Speech Recognition Training Unit (254) has 19 consonants (a, ㄲ,,,,,,, ㅌ,,, ㅁ, ㅂ, ㅃ,,, ㅅ, ㅆ,,, ㅉ, ㅉ, There are 21 vowels (a, ㅐ, ㅑ, ㅒ, ㅓ, ㅔ, ㅕ, ㅖ, ㅗ, 성, ㅙ, ㅚ, ㅛ, ㅜ, ㅝ, ㅞ, ㅠ, A total of 3,129 (19 x 21 x 8) monosyllables, with consonants (a, b, d, k, f, g, and ㆁ) You can create a list of diacritical words. Among these words, the training tone includes a training tone that is appropriate for the age and is used at the age of development. In addition, the speech recognition training unit 254 improves the cognitive ability of the frequency bands by, for example, combining the vowels and the vowels and systematically training them when the recognition of consonants is significantly deteriorated . ≪ / RTI >

The inspection unit 220 may check the result of the training according to the draft of the examinee's test (S620). For this, the audiovisual checking unit 228 generates and outputs an inspection sound using a word or a sentence, and checks whether the correct answer is obtained from the result input through the user input unit 212, in order to check the ability of the examinee's speech recognition ability.

If the examinee is a wearer of a hearing assistive device such as a hearing aid (S622), the control processing unit 270 controls to adjust the frequency parameter and the amplification degree of the hearing aid device according to the result of inspection according to the speech recognition training of the examination unit 220 (S624).

The control processing unit 270 evaluates the final auditory cognitive function from the result of the final examination of the examination unit 220 (S626), performs the vocal training (S610) if necessary, or performs the speech recognition training (S618).

110: vocalization type providing unit 120: vocalization step analyzing unit
130: vocalization type analysis unit 140: vowel calculation analysis unit
150: Consonant calculation section 160: Overall evaluation section 160:
210: user interface unit 212: user input
214: speaker unit 216: display unit
220: inspection unit 222: vocal development inspection unit
224: pure tone auditory check part 226: auditory evoked potential test part
228: Audiogram auditory part 230: Storage unit
240: Hearing aid unit 250: Training unit
252: vocal training unit 254: speech recognition training unit
256: Sentence awareness training unit 260: Training unit
270: control processing unit 310:
320: Speech modeling part 330: Repetitive training part
410: Detection Training Part 420: Discrimination Training Part
430: OK Training Part 440: Understanding Training Part

Claims (7)

A vocal categorizer for providing a vocal categorization according to a vocal stage of an infant,
An utterance phase analyzer for analyzing the utterance number and the utterance rate of the utterance uttered in the utterance type utterer according to the age range of infants and young children;
A voicing type analyzing unit for analyzing a ratio of the voicing type of the voicing step in the moon period;
And an overall evaluation unit for evaluating a vocal development stage of the infant by synthesizing the values calculated by the vocalization stage analysis unit and the vocalization type analysis unit. The method according to claim 1,
A vowel calculation analyzing unit for analyzing the frequency and the ratio of the vowels by checking the phoneme calculation frequency,
And a consonant calculation section for analyzing the consonant calculation of the first and second consonants and classifying the consonants according to an articulation position and an articulation method,
Wherein the comprehensive evaluation unit comprises a vowel calculation analysis unit and a consonant calculation calculation unit
Wherein the step of evaluating the developmental stage of the infant includes the calculated values to evaluate the developmental stage of the infant. An infant ' s vocal development examination apparatus according to claim 1 or 2,
A hearing aid unit capable of adjusting amplification and frequency parameters to assist hearing impaired infants ' s hearing; and
And a control processing unit for adjusting the amplification degree and the frequency parameter of the hearing aid unit according to the inspection result of the vocal development inspection apparatus. The method of claim 3,
Further comprising a training unit provided with a vocal training unit for modeling a simple language or an animal or an object related to the vocalization stage according to a moonlit period of the infant and providing vocal training by presenting stimulation in a short and interesting manner, system. A vocalization type providing step of providing a vocalization type according to a vocalization stage of an infant,
A voicing step analyzing step of analyzing the number of utterances and the ratio using the voicing step provided in the voicing type step according to the ages of the infants and young children;
A voicing type analyzing step of analyzing a ratio of the voicing type of the voicing step in the moon period;
And a comprehensive evaluation step of evaluating the phonological development stages of the infant and the child by synthesizing the values calculated in the phonation stage analysis step and the voicing type analysis step. 6. The method of claim 5,
A vowel calculation analysis step of analyzing the frequency and ratio of the vowels by confirming the phoneme calculation frequency, and
And a consonant calculation step of classifying the consonants according to the articulation position and articulation method by analyzing consonant calculation of the first and second consonants,
Wherein the comprehensive evaluation step further includes values calculated in the vowel calculation analysis step and the consonant calculation analysis step to evaluate a vocal development stage of the infant. The method according to claim 5 or 6,
The method according to claim 1, further comprising a vocal training step of providing vocal training by modeling the vocal tract with respect to the vocalization stage according to the ages of the infant and presenting stimulation in a short and interesting manner.

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