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Journal of the American Audiology Society最新文献

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Protocol for evaluation of the effect of hearing aid electroacoustic parameters on perception of amplified speech. 助听器电声参数对放大语音感知影响的评估方案。
Journal of the American Audiology Society Pub Date : 1977-05-01
D W Lawrence, V O Blackledge
{"title":"Protocol for evaluation of the effect of hearing aid electroacoustic parameters on perception of amplified speech.","authors":"D W Lawrence,&nbsp;V O Blackledge","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A protocol for the evaluation of the effects of changes in hearing aid electroacoustic parameters was developed and evaluated. The protocol called for the creation of a matrix with as many dimensions as there are parameters to be evaluated. The protocol also called for each dimension to have as many divisions as there are possible variations of a parameter. The cell entries in the matrix were the listener speech discrimination scores in noise. It was found that one cell within the matrix always uniquely contained the highest listener speech discrimination score. It was concluded that use of such a protocol would allow the establishment of the precise electroacoustic settings of a master hearing aid which would result in best speech understanding for the listener.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"2 6","pages":"197-201"},"PeriodicalIF":0.0,"publicationDate":"1977-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12077690","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Psychometric data for the token test derived from 8- and 9-year-old children with articulation disorders. 标记测试的心理测量数据来自8岁和9岁有发音障碍的儿童。
Journal of the American Audiology Society Pub Date : 1977-05-01
R L Shelton, W B Arndt, A F Johnson
{"title":"Psychometric data for the token test derived from 8- and 9-year-old children with articulation disorders.","authors":"R L Shelton,&nbsp;W B Arndt,&nbsp;A F Johnson","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"2 6","pages":"208-12"},"PeriodicalIF":0.0,"publicationDate":"1977-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12077691","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Training severely hearing-impaired children in the discrimination of the voiced-voiceless distinction. 训练重度听障儿童辨别有声音与无声音的区别。
Journal of the American Audiology Society Pub Date : 1977-05-01
C W Bennett
{"title":"Training severely hearing-impaired children in the discrimination of the voiced-voiceless distinction.","authors":"C W Bennett","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Six severely hearing-impaired children who were initially unable to set voiced-voiceless boundaries at voice onset times between 20 and 40 msec in the discrimination of speech were trained to do so by means of a structured auditory training program. An additional tactile cue, gradually withdrawn over four training steps, was used to signal presence of voicing (voice onset times 20 msec or less) during the initial phases of training. Half of the subjects were trained only with the bilabial stops /b-p/ and the remainder with the bilabial, alveolar, and velar stops /b-p/, /d-t/, and /g-k/. Although only syllables containing the vowel /a/ were used in training, all subjects generalized to syllables containing the vowels /u/ and /i/ and some subjects generalized to stop-initiated words. Implications for structured auditory training procedures are discussed.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"2 6","pages":"213-8"},"PeriodicalIF":0.0,"publicationDate":"1977-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12077692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Acoustic reflex threshold and loudness discomfort level: relationships in children with profound hearing losses. 声反射阈值与响度不适程度:与重度听力损失儿童的关系。
Journal of the American Audiology Society Pub Date : 1977-05-01
D W Holmes, C M Woodford
{"title":"Acoustic reflex threshold and loudness discomfort level: relationships in children with profound hearing losses.","authors":"D W Holmes,&nbsp;C M Woodford","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Acoustic reflex thresholds (ART) and loudness discomfort levels (LDL) were obtained from 51 ears of 34 deaf children using broad band noise and pure tones. Both thresholds and levels were recorded using the psychophysical method of tracking. Results indicate that the relationship between ART and LDL is at variance with similar data for normal hearing individuals. Specifically, in over 39% of these deaf children LDL was obtained at a lower intensity than ART. Implications for hearing aid fitting with deaf children are discussed.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"2 6","pages":"193-6"},"PeriodicalIF":0.0,"publicationDate":"1977-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12075445","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of intense continuous- and impact-type noise on pupil size and visual acuity. 强烈的连续型和冲击型噪声对瞳孔大小和视力的影响。
Journal of the American Audiology Society Pub Date : 1977-05-01
P D Jones, M Loeb, A Cohen
{"title":"Effects of intense continuous- and impact-type noise on pupil size and visual acuity.","authors":"P D Jones,&nbsp;M Loeb,&nbsp;A Cohen","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The data obtained from these studies suggest that continuous noise at high levels will produce an increase in arousal, as indicated by pupil size, and that there is a tendency toward adaptation. At lower noise levels the effect is, at most, transitory. This papillary change does not appear to mediate a change in visual acuity. Impact noise such as that used here does not appear to produce reproducible changes in pupil size or visual acuity. For the noise conditions used here, concern for nonauditory sensory effects seems to be unwarranted.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"2 6","pages":"202-7"},"PeriodicalIF":0.0,"publicationDate":"1977-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12077695","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The manual LOT test. 手动LOT测试。
Journal of the American Audiology Society Pub Date : 1977-05-01
J E Lankford, W A Meissner
{"title":"The manual LOT test.","authors":"J E Lankford,&nbsp;W A Meissner","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>This study was conducted to determine the feasibility of a manual variation of the lengthened off-time (LOT)-Békésy test. The procedure requires that the audiologist vary the attenuator of an audiometer while the signal paradigms of the LOT test are delivered to the patient. Ten nonorganic hearing loss subjects were tested using the automatic LOT test and the manual LOT test. Results were equivalent to the automatic test lending support for the new procedure. The technique can be used with most wide-range audiometers without the additional expense of an automatic recording device.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"2 6","pages":"219-22"},"PeriodicalIF":0.0,"publicationDate":"1977-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12077697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Brainstem wave V latencies to tone pip stimuli. 脑干V波对音调刺激的潜伏期。
Journal of the American Audiology Society Pub Date : 1977-03-01
B A Weber, R C Folsom
{"title":"Brainstem wave V latencies to tone pip stimuli.","authors":"B A Weber,&nbsp;R C Folsom","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The present study was undertaken to examine the feasibility of using tone pip stimuli rather than conventional clicks in brainstem evoked response (BER) audiometry. Trains of 2000-Hz tone pips, 4000-HZ tone pips or clicks were presented at seven intensity levels to six normal young adults. Results demonstrated that BERs can be readily elicited by tone pips. This latter finding may be attributable to the differences in stimulus rise times. Tone pips appear to introduce greater frequency specificity to BER audiometry without a marked loss in the ability to elicit the response.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"2 5","pages":"182-4"},"PeriodicalIF":0.0,"publicationDate":"1977-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12041870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Relation between formant frequencies and optimal octaves in vowel perception. 元音感知中共振峰频率与最佳八度的关系。
Journal of the American Audiology Society Pub Date : 1977-03-01
R Miner, J L Danhauer
{"title":"Relation between formant frequencies and optimal octaves in vowel perception.","authors":"R Miner,&nbsp;J L Danhauer","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The purpose of this study was to investigate the relation between the traditional concept of formant frequencies and the controversial concept of optimal octaves in the perception of the vowels/i, a, u/. The vowels (produced by a male speaker of General American English) were filtered through eight bandwidths (80-160, 160-315, 315-630, 630-1,250, 1,250-2,500, 2,500-5,000, 5,000-10,000, and 10,000-20,000 Hz) and presented to two groups of subjects. One group performed similarity ratings on pairs of filtered and nonfiltered stimuli; the other identified the individual filtered and nonfiltered vowels. The optimal bandwidths derived from the data of the two groups were compared to the formant frequencies of our speaker, to those reported in the literature, and to the optimal octaves published earlier by other authors. The results showed that there were specific bandwidths which allowed for correct perception and identification of each vowel, and that these bandwidths were compatible with both the optimal octaves and the formant frequencies reported in the literature for each vowel.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"2 5","pages":"163-8"},"PeriodicalIF":0.0,"publicationDate":"1977-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12041953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Identification of vowels with equated intensity. A preliminary study. 元音强度相等的识别。初步研究。
Journal of the American Audiology Society Pub Date : 1977-03-01
P H Ptacek, C W Koutstaal
{"title":"Identification of vowels with equated intensity. A preliminary study.","authors":"P H Ptacek,&nbsp;C W Koutstaal","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The ability of listeners to identify 10 vowels under two conditions was investigated. In both conditions the vowels were presented at a comfortable loudness level in a constant phonetic environment with equal stress. In the first condition, the vowels were presented with their natural intensity differences, and in the second condition they were presented with their intensities equated. The role of relative intensity differences for the identification of vowel sounds at various loudness levels is discussed, and the likelihood that intensity differences play a more important role in identifying those vowel sounds having similar characteristics (i.e., formant frequencies ranges) is considered.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"2 5","pages":"169-72"},"PeriodicalIF":0.0,"publicationDate":"1977-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12041955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison of measurements of the characteristics of directional microphone hearing aids in an IAC test room and an anechoic chamber. 定向传声器助听器在IAC试验室和消声室的特性测量比较。
Journal of the American Audiology Society Pub Date : 1977-03-01
R H Brey, E I Caustin, J H McPherson
{"title":"Comparison of measurements of the characteristics of directional microphone hearing aids in an IAC test room and an anechoic chamber.","authors":"R H Brey,&nbsp;E I Caustin,&nbsp;J H McPherson","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The purpose of this study was to assess the possibility of measuring directional microphone hearing aids (DMHAs) using standard hearing aid test instruments in a sound field environment. The use of DMHAs is increasing and research has shown that under certain difficult listening situations, superior results are obtained by hearing impaired individuals with directional versus omnidirectional microphone arrangements. However, valid electroacoustic evaluation of the DMHAs cannot be accomplished using the conventional hearing aid test box. The ideal environment for such evaluations is an anechoic chamber, a facility not found in most audiological clinics. Results show that if the proper precautions are observed, the electroacoustic characteristics of DMHAs can be measured in a sound field environment using conventional hearing aid test instrumentation. Validation of this procedure was carried out by comparing sound field results with those obtained in an anechoic chamber.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"2 5","pages":"173-81"},"PeriodicalIF":0.0,"publicationDate":"1977-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12038441","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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