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  • American Speech Language Hearing Association  (6)
  • 1
    Online Resource
    Online Resource
    Consonant Similarity Judgments by Normal and Hearing-Impaired Listeners
    American Speech Language Hearing Association ; 1980
    In:  Journal of Speech, Language, and Hearing Research Vol. 23, No. 1 ( 1980-03), p. 162-184
    Details
    In: Journal of Speech, Language, and Hearing Research, American Speech Language Hearing Association, Vol. 23, No. 1 ( 1980-03), p. 162-184
    Abstract: This investigation attempted to identify listener strategies or perceptual modes that might be adopted by hearing-impaired listeners when making similarity judgments among pairs of speech sounds. Further, an attempt was made to describe the relationship between similarity judgments and auditory confusions for such listeners. Subjects provided similarity ratings and recognition responses to consonant pairs. The resulting similarity judgments were organized into a variety of similarity matrices and analyzed via multidimensional scaling and hierarchical clustering, as well as by traditional descriptive and interpretative statistics. The analyses of the similarity ratings between consonants showed that hearing-impaired listeners apply phonemic labels to the stimuli and base their ratings on these labels rather than on the unlabeled acoustic characteristics of the speech sounds. Analysis of the recognition data indicated that those consonants which are most confused are not necessarily the most conceptually similar to the listener.
    Type of Medium: Online Resource
    ISSN: 1092-4388 , 1558-9102
    URL: Article
    DOI: 10.1044/jshr.2301.162
    Language: English
    Publisher: American Speech Language Hearing Association
    Publication Date: 1980
    detail.hit.zdb_id: 2070420-3
    SSG: 5,2
    SSG: 7,11
    Location Call Number Limitation Availability
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    Online Resource
  • 2
    Online Resource
    Online Resource
    EMG Biofeedback in the Treatment of Hyperfunctional Voice Disorders
    American Speech Language Hearing Association ; 1978
    In:  Journal of Speech and Hearing Disorders Vol. 43, No. 3 ( 1978-08), p. 282-294
    Details
    In: Journal of Speech and Hearing Disorders, American Speech Language Hearing Association, Vol. 43, No. 3 ( 1978-08), p. 282-294
    Abstract: In this study, six patients who were judged to produce speech with excessive laryngeal tension participated in 14 30-min biofeedback training sessions. The EMG signal, measured by bipolar surface electrodes placed over the cricothyroid region, was amplified, integrated, and used to control the output of a voltage controlled oscillator (VCO) and a noise generator. A voltage comparator was used as a threshold device. Thus, the noise generator was activated when the EMG activity exceeded the value selected on the comparator, and the VCO was activated when the EMG signal was below threshold. The results demonstrated that three of the subjects reduced the laryngeal EMG activity used during speech production with a concomitant improvement in voice quality. The voice quality of the three remaining subjects was unchanged. Suggestions are made for modifying the equipment and procedures used in this study for routine clinical use of EMG biofeedback.
    Type of Medium: Online Resource
    ISSN: 0022-4677 , 2163-6184
    URL: Article
    DOI: 10.1044/jshd.4303.282
    Language: English
    Publisher: American Speech Language Hearing Association
    Publication Date: 1978
    Location Call Number Limitation Availability
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    Online Resource
  • 3
    Online Resource
    Online Resource
    Correlates of Psychological Dimensions in Talker Similarity
    American Speech Language Hearing Association ; 1978
    In:  Journal of Speech and Hearing Research Vol. 21, No. 2 ( 1978-06), p. 265-275
    Details
    In: Journal of Speech and Hearing Research, American Speech Language Hearing Association, Vol. 21, No. 2 ( 1978-06), p. 265-275
    Abstract: This investigation identifies correlates of psychological dimensions in talker similarity. Twenty adult male talkers recorded a monosyllabic word, and 13 acoustic measurements were made from spectrograms of each talker’s production. All possible pairs of voices were presented to 11 adult listeners for similarity judgments via a paired-comparison paradigm. A four-dimensional INDSCAL analysis of the similarity ratings was employed to derive psychological dimensions of talker similarity. Correlations between the acoustic measurements and the INDSCAL dimensions revealed that fundamental frequency and word duration were moderately correlated with two of the psychological dimensions. The other two dimensions were not convincingly correlated with any of the acoustic measurements, but are best described as representing voice quality and talker age. A listener’s familiarity with the talkers did not seem to influence his judgment of voice similarity.
    Type of Medium: Online Resource
    ISSN: 0022-4685
    URL: Article
    DOI: 10.1044/jshr.2102.265
    RVK:
    EQ 1000
    Language: English
    Publisher: American Speech Language Hearing Association
    Publication Date: 1978
    detail.hit.zdb_id: 2066655-X
    Location Call Number Limitation Availability
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    Online Resource
  • 4
    Online Resource
    Online Resource
    Some Effects of Training on Speech Recognition by Hearing-Impaired Adults
    American Speech Language Hearing Association ; 1981
    In:  Journal of Speech, Language, and Hearing Research Vol. 24, No. 2 ( 1981-06), p. 207-216
    Details
    In: Journal of Speech, Language, and Hearing Research, American Speech Language Hearing Association, Vol. 24, No. 2 ( 1981-06), p. 207-216
    Abstract: The purpose of this research was to determine some of the effects of consonant recognition training on the speech recognition performance of hearing-impaired adults. Two groups of ten subjects each received seven hours of either auditory or visual consonant recognition training, in addition to a standard two-week, group-oriented, inpatient aural rehabilitation program. A third group of fifteen subjects received the standard two-week program, but no supplementary individual consonant recognition training. An audiovisual sentence recognition test, as well as tests of auditory and visual consonant recognition, were administered both before and ibltowing training. Subjects in all three groups significantly increased in their audiovisual sentence recognition performance, but subjects receiving the individual consonant recognition training improved significantly more than subjects receiving only the standard two-week program. A significant increase in consonant recognition performance was observed in the two groups receiving the auditory or visual consonant recognition training. The data are discussed from varying statistical and clinical perspectives.
    Type of Medium: Online Resource
    ISSN: 1092-4388 , 1558-9102
    URL: Article
    DOI: 10.1044/jshr.2402.207
    Language: English
    Publisher: American Speech Language Hearing Association
    Publication Date: 1981
    detail.hit.zdb_id: 2070420-3
    SSG: 5,2
    SSG: 7,11
    Location Call Number Limitation Availability
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    Online Resource
  • 5
    Online Resource
    Online Resource
    A Comparison of the Effects of Hearing Impairment and Acoustic Filtering on Consonant Recognition
    American Speech Language Hearing Association ; 1981
    In:  Journal of Speech, Language, and Hearing Research Vol. 24, No. 1 ( 1981-03), p. 32-43
    Details
    In: Journal of Speech, Language, and Hearing Research, American Speech Language Hearing Association, Vol. 24, No. 1 ( 1981-03), p. 32-43
    Abstract: The relationship between consonant recognition under conditions of acoustic filtering and hearing loss was studied in subjects with unilateral hearing impairments, Using a procedure involving suprathreshold loudness balance between ears, a spectrum shaper was used to match the (suprathreshold) audiometric configuration of the impaired ear. Consonant recognition data were obtained from the impaired ear and from the normal ear listening through the spectrum shaper. To the extent that consonant recognition was similar in the two ears, the effect of the patient's hearing impairment on phoneme identification could be related to the audiometric configuration. A comparison between consonant recognition scores for the impaired ears and for the ears listening through the spectrum shaper revealed large individual differences among subjects. Mean consonant recognition ability, however, was generally lower in the impaired ear. Although overall consonant recognition and the error probabilities for individual consonants tended to be different between ears, the patterns of feature recognition were quite similar.
    Type of Medium: Online Resource
    ISSN: 1092-4388 , 1558-9102
    URL: Article
    DOI: 10.1044/jshr.2401.32
    Language: English
    Publisher: American Speech Language Hearing Association
    Publication Date: 1981
    detail.hit.zdb_id: 2070420-3
    SSG: 5,2
    SSG: 7,11
    Location Call Number Limitation Availability
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    Online Resource
  • 6
    Online Resource
    Online Resource
    Test of the Assumptions Underlying Comparative Hearing Aid Evaluations
    American Speech Language Hearing Association ; 1983
    In:  Journal of Speech and Hearing Disorders Vol. 48, No. 3 ( 1983-08), p. 264-273
    Details
    In: Journal of Speech and Hearing Disorders, American Speech Language Hearing Association, Vol. 48, No. 3 ( 1983-08), p. 264-273
    Abstract: Comparative hearing aid evaluations using NU-6 monosyllabic word lists were administered to adults with predominately high-frequency sensorineural hearing impairments who were randomly assigned to one of two experiments. In the first, three instruments were used that were electroacoustically similar and appropriate to the patients' hearing losses. In the second, the three hearing aids employed were electroacoustically quite different. Following an initial comparative hearing aid evaluation, the patients used the instruments during a trial-use week after which they ranked the aids in terms of benefit provided in daily communication. Following the trial-use week, the comparative hearing aid evaluation was repeated. The results suggest that significant interaid performance differences on the hearing aid evaluation are not likely to occur very often when the aids being evaluated are relatively homogeneous electroacoustically. In contrast, when electroacoustically heterogeneous instruments are evaluated, significant performance differences may occur frequently. Under such circumstance, however, the same instrument(s) would likely provide the best performance to most patients. The results further suggest that the reliability of standard monosyllabic word lists may not be adequate to detect typical interaid differences that occur in a comparative hearing aid evaluation and that the performance hierarchy is likely to change as the patient adjusts amplification. Finally, the comparative hearing aid evaluation will not be a good predictor of success in daily communication unless relatively large performance differences exist among the instruments.
    Type of Medium: Online Resource
    ISSN: 0022-4677 , 2163-6184
    URL: Article
    DOI: 10.1044/jshd.4803.264
    Language: English
    Publisher: American Speech Language Hearing Association
    Publication Date: 1983
    Location Call Number Limitation Availability
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