Donald J Sharf
Datos Biográficos
| ID | 1719803 |
|---|---|
| NOMBRE | Donald J Sharf |
| NOMBRES | Donald J |
| APELLIDO | Sharf |
| FIRMA | SHARF D J |
| AFILIACIONES | University of Michigan |
| VERIFICADO | No |
| TOTAL DE OBRAS | 18 |
| TOTAL DE CITAS | 58 |
| OBRAS COMO AUTOR | 18 |
| OBRAS COMO EDITOR | 0 |
| PRIMER AÑO DE PUBLICACIÓN | 1960 |
| AÑO MÁS RECIENTE DE PUBLICACIÓN | 1984 |
| ÍNDICE H | 4 |
Relationship between the speech characteristics and effectiveness of telephone interviewers
Effect of stimulus range on the identification of distorted /r/ in synthesized adult and child /r-w/ continua
Recovery from categorical boundary shifts for the vowel duration cue to consonant voicing
Recovery from adaptation to stimuli varying in voice onset time
Effect of adaptation on the perception and production of vowel duration preceding stop consonants
Effects of coarticulation on the identification of deleted consonant and vowel sounds
Effect of Speech-Sound Cue On Ear Asymmetry in Dichotic Listening
Under conditions of dichotic presentation, subjects were asked to identify (1) the vowels /i, e, o/ produced in isolation and in CV syllables, (2) the voiceless stops /p, t, k/ produced in CV syllables and from consonant-noise cues spliced from CV syllables, and (3) the voiced stops /b, d, g/ from consonant-noise cues and initial formant transition cues spliced from CV syllables and from final formant transition cues spliced from VC syllables. Th…
Identification of Consonants from Formant Transitions Presented Forward and Backward
The effect of coarticulation on perception was studied by asking 18 subjects to identify the place of articulation of stop and fricative consonants from CV and VC vowel transitions played forward and backward. The factors investigated were: (A) transition direction, forward and backward; (B) transition position, CV and VC; (C) manner of production; (D) mode of production; and (E) place of production. The results indicate that: (1) with the except…
Coarticulation Effects of Post-Consonantal Vowels On the Short-Term Recall of Pre-Consonantal Vowels
The purpose of this study was to see whether, in a vowel-consonant-vowel (VCV) nonsense word, the pre-consonantal acoustic effects of the post-consonantal vowel could influence the short-term recall of the pre-consonantal vowel. Recordings were made by a male speaker of VC and VCV utterances in which the six lax vowels of American English were the initial vowels, /t/ was the consonant, and /I/ and /α/ were the final vowels. By editing out the fin…
Effect of Forward and Backward Coarticulation on the Identification of Speech Sounds
The perceptual effects of forward and backward coarticulation across syllable boundaries were investigated by having 37 female listeners identify: (1) Nasal consonants /m, n, η/ in initial syllables of utterances from which the second syllables were deleted for half of the presentations in noise and (2) Vowels /i, u/ in the deleted syllables when only the initial syllables were presented in quiet. For the deleted condition, post-nasal sounds were…
Response Latency Differences in Speech Shadowing as an Indicator of Distinctive Features of Consonants
The purpose of this study was to determine which articulatory features serve as important distinctive features of perception by measuring latency in speech shadowing. Fifteen subjects shadowed a recording of consonant-vowel syllables orally and by means of a hand-held switch. Vocal shadowing was tape recorded and the onsets of the stimuli and the manual responses were recorded on a polygraph. The oral responses were used to indicate perceptual co…
Perceptual Parameters of Consonant Sounds
Recordings by one speaker of CV syllables made up of American English labial, alveolar, and post-alveolar stops and fricatives combined with the vowels /i, α, u/ were played to 16 subjects. They were required to rank the consonants on the following five perceptual parameters, using a seven-point scale: Duration, Loudness, Frequency, Sharpness, and Contact. The scale values were compared on the basis of contrast in place, manner, and mode (voicing…
Distinctiveness of "Defective" Fricative Sounds
A study was done in which a group of phonetically-trained listeners was asked to identify a fairly extensive range of fricatives from tape recordings. The data were analysed by means of confusion matrices for the sounds and by means of sub-matrices for distinctive features of the sounds. Results indicated that listeners have considerable difficulty in identifying fricatives from auditory clues alone even when they are representatives of English p…
Variations in Vowel Intensity Measurements
Measurements were made of the intensities of vowels produced in isolation and in CVC syllables by three adult speakers. It was found that the predicted direct relationship with vowel opening did not apply to vowel intensity measures obtained. Similar results were found for both level recorder and voltmeter measurements. The lack of predicted relationship did not appear to be due to any effect of consonant environment. Increasing vocal effort did …
The Communicative Aspect of Dictionary Pronunciations
Journal Article The Communicative Aspect of Dictionary Pronunciations Get access Donald J. Sharf Donald J. Sharf 1Donald J. Sharf is Assistant Professor of Speech at the University of Michigan Search for other works by this author on: Oxford Academic Google Scholar Journal of Communication, Volume 15, Issue 2, June 1965, Pages 100–109, https://doi.org/10.1111/j.1460-2466.1965.tb01331.x Published: 07 February 2006
Vowel Duration in Whispered and in Normal Speech
Vowel duration measurements were made from the sound spectrographic patterns of normal and whispered consonant-vowel-consonant syllables produced by three male speakers. It was found that the average duration of whispered vowels was longer than that of normal vowels. Like normal vowels, whispered vowels can be grouped according to four degrees of length: long—/æ, α, o/, relatively long—/e, ε, o/, relatively short—/i, u/, and short—/i, ε, A, U/. L…
Duration of Post-Stress Intervocalic Stops and Preceding Vowels
Measurements of the duration of the closure of post-stress, intervocalic stops in two-syllable words, of the vowels that precede them, and of vowels preceding stops in monosyllabic words were made from the speech of one speaker with intervocalic ‘voiced t’. Results for monosyllabic words indicate a vowel duration ratio of 2:3 before voiceless and voiced stops and four intrinsically short vowels, /I, ∊, Λ, U/. The duration ratio of vowels before s…
Distinctiveness of 'Voiced T' Words
THE STATUS of the post-stress, intervocalic sound which occurs in American speech to represent orthographic t and d in such words as ladder and latter is not clear. There is little evidence as to the exact nature of the sound, its frequency of occurrence, its relative occurrence in words spelled with t and d, and the extent of confusion it may cause between pairs of words such as ladder-latter. This intervocalic sound is often described as 'voice…
Duration of Post-Stress Intervocalic Stops and Preceding Vowels
Measurements of the duration of the closure of post-stress, intervocalic stops in two-syllable words, of the vowels that precede them, and of vowels preceding stops in monosyllabic words were made from the speech of one speaker with intervocalic ‘voiced t’. Results for monosyllabic words indicate a vowel duration ratio of 2:3 before voiceless and voiced stops and four intrinsically short vowels, /I, ∊, Λ, U/. The duration ratio of vowels before s…
Vowel Duration in Whispered and in Normal Speech
Vowel duration measurements were made from the sound spectrographic patterns of normal and whispered consonant-vowel-consonant syllables produced by three male speakers. It was found that the average duration of whispered vowels was longer than that of normal vowels. Like normal vowels, whispered vowels can be grouped according to four degrees of length: long—/æ, α, o/, relatively long—/e, ε, o/, relatively short—/i, u/, and short—/i, ε, A, U/. L…
Effects of coarticulation on the identification of deleted consonant and vowel sounds
Coarticulation Effects of Post-Consonantal Vowels On the Short-Term Recall of Pre-Consonantal Vowels
The purpose of this study was to see whether, in a vowel-consonant-vowel (VCV) nonsense word, the pre-consonantal acoustic effects of the post-consonantal vowel could influence the short-term recall of the pre-consonantal vowel. Recordings were made by a male speaker of VC and VCV utterances in which the six lax vowels of American English were the initial vowels, /t/ was the consonant, and /I/ and /α/ were the final vowels. By editing out the fin…
Perceptual Parameters of Consonant Sounds
Recordings by one speaker of CV syllables made up of American English labial, alveolar, and post-alveolar stops and fricatives combined with the vowels /i, α, u/ were played to 16 subjects. They were required to rank the consonants on the following five perceptual parameters, using a seven-point scale: Duration, Loudness, Frequency, Sharpness, and Contact. The scale values were compared on the basis of contrast in place, manner, and mode (voicing…
Distinctiveness of 'Voiced T' Words
THE STATUS of the post-stress, intervocalic sound which occurs in American speech to represent orthographic t and d in such words as ladder and latter is not clear. There is little evidence as to the exact nature of the sound, its frequency of occurrence, its relative occurrence in words spelled with t and d, and the extent of confusion it may cause between pairs of words such as ladder-latter. This intervocalic sound is often described as 'voice…
Recovery from adaptation to stimuli varying in voice onset time
Identification of Consonants from Formant Transitions Presented Forward and Backward
The effect of coarticulation on perception was studied by asking 18 subjects to identify the place of articulation of stop and fricative consonants from CV and VC vowel transitions played forward and backward. The factors investigated were: (A) transition direction, forward and backward; (B) transition position, CV and VC; (C) manner of production; (D) mode of production; and (E) place of production. The results indicate that: (1) with the except…
Effect of Forward and Backward Coarticulation on the Identification of Speech Sounds
The perceptual effects of forward and backward coarticulation across syllable boundaries were investigated by having 37 female listeners identify: (1) Nasal consonants /m, n, η/ in initial syllables of utterances from which the second syllables were deleted for half of the presentations in noise and (2) Vowels /i, u/ in the deleted syllables when only the initial syllables were presented in quiet. For the deleted condition, post-nasal sounds were…
Distinctiveness of "Defective" Fricative Sounds
A study was done in which a group of phonetically-trained listeners was asked to identify a fairly extensive range of fricatives from tape recordings. The data were analysed by means of confusion matrices for the sounds and by means of sub-matrices for distinctive features of the sounds. Results indicated that listeners have considerable difficulty in identifying fricatives from auditory clues alone even when they are representatives of English p…
Relationship between the speech characteristics and effectiveness of telephone interviewers
Effect of adaptation on the perception and production of vowel duration preceding stop consonants
Variations in Vowel Intensity Measurements
Measurements were made of the intensities of vowels produced in isolation and in CVC syllables by three adult speakers. It was found that the predicted direct relationship with vowel opening did not apply to vowel intensity measures obtained. Similar results were found for both level recorder and voltmeter measurements. The lack of predicted relationship did not appear to be due to any effect of consonant environment. Increasing vocal effort did …
Distinctiveness of 'Voiced T' Words
THE STATUS of the post-stress, intervocalic sound which occurs in American speech to represent orthographic t and d in such words as ladder and latter is not clear. There is little evidence as to the exact nature of the sound, its frequency of occurrence, its relative occurrence in words spelled with t and d, and the extent of confusion it may cause between pairs of words such as ladder-latter. This intervocalic sound is often described as 'voice…
Duration of Post-Stress Intervocalic Stops and Preceding Vowels
Measurements of the duration of the closure of post-stress, intervocalic stops in two-syllable words, of the vowels that precede them, and of vowels preceding stops in monosyllabic words were made from the speech of one speaker with intervocalic ‘voiced t’. Results for monosyllabic words indicate a vowel duration ratio of 2:3 before voiceless and voiced stops and four intrinsically short vowels, /I, ∊, Λ, U/. The duration ratio of vowels before s…
Vowel Duration in Whispered and in Normal Speech
Vowel duration measurements were made from the sound spectrographic patterns of normal and whispered consonant-vowel-consonant syllables produced by three male speakers. It was found that the average duration of whispered vowels was longer than that of normal vowels. Like normal vowels, whispered vowels can be grouped according to four degrees of length: long—/æ, α, o/, relatively long—/e, ε, o/, relatively short—/i, u/, and short—/i, ε, A, U/. L…
The Communicative Aspect of Dictionary Pronunciations
Journal Article The Communicative Aspect of Dictionary Pronunciations Get access Donald J. Sharf Donald J. Sharf 1Donald J. Sharf is Assistant Professor of Speech at the University of Michigan Search for other works by this author on: Oxford Academic Google Scholar Journal of Communication, Volume 15, Issue 2, June 1965, Pages 100–109, https://doi.org/10.1111/j.1460-2466.1965.tb01331.x Published: 07 February 2006
Variations in Vowel Intensity Measurements
Measurements were made of the intensities of vowels produced in isolation and in CVC syllables by three adult speakers. It was found that the predicted direct relationship with vowel opening did not apply to vowel intensity measures obtained. Similar results were found for both level recorder and voltmeter measurements. The lack of predicted relationship did not appear to be due to any effect of consonant environment. Increasing vocal effort did …
Distinctiveness of "Defective" Fricative Sounds
A study was done in which a group of phonetically-trained listeners was asked to identify a fairly extensive range of fricatives from tape recordings. The data were analysed by means of confusion matrices for the sounds and by means of sub-matrices for distinctive features of the sounds. Results indicated that listeners have considerable difficulty in identifying fricatives from auditory clues alone even when they are representatives of English p…
Perceptual Parameters of Consonant Sounds
Recordings by one speaker of CV syllables made up of American English labial, alveolar, and post-alveolar stops and fricatives combined with the vowels /i, α, u/ were played to 16 subjects. They were required to rank the consonants on the following five perceptual parameters, using a seven-point scale: Duration, Loudness, Frequency, Sharpness, and Contact. The scale values were compared on the basis of contrast in place, manner, and mode (voicing…
Response Latency Differences in Speech Shadowing as an Indicator of Distinctive Features of Consonants
The purpose of this study was to determine which articulatory features serve as important distinctive features of perception by measuring latency in speech shadowing. Fifteen subjects shadowed a recording of consonant-vowel syllables orally and by means of a hand-held switch. Vocal shadowing was tape recorded and the onsets of the stimuli and the manual responses were recorded on a polygraph. The oral responses were used to indicate perceptual co…
Coarticulation Effects of Post-Consonantal Vowels On the Short-Term Recall of Pre-Consonantal Vowels
The purpose of this study was to see whether, in a vowel-consonant-vowel (VCV) nonsense word, the pre-consonantal acoustic effects of the post-consonantal vowel could influence the short-term recall of the pre-consonantal vowel. Recordings were made by a male speaker of VC and VCV utterances in which the six lax vowels of American English were the initial vowels, /t/ was the consonant, and /I/ and /α/ were the final vowels. By editing out the fin…
Effect of Forward and Backward Coarticulation on the Identification of Speech Sounds
The perceptual effects of forward and backward coarticulation across syllable boundaries were investigated by having 37 female listeners identify: (1) Nasal consonants /m, n, η/ in initial syllables of utterances from which the second syllables were deleted for half of the presentations in noise and (2) Vowels /i, u/ in the deleted syllables when only the initial syllables were presented in quiet. For the deleted condition, post-nasal sounds were…
Effect of Speech-Sound Cue On Ear Asymmetry in Dichotic Listening
Under conditions of dichotic presentation, subjects were asked to identify (1) the vowels /i, e, o/ produced in isolation and in CV syllables, (2) the voiceless stops /p, t, k/ produced in CV syllables and from consonant-noise cues spliced from CV syllables, and (3) the voiced stops /b, d, g/ from consonant-noise cues and initial formant transition cues spliced from CV syllables and from final formant transition cues spliced from VC syllables. Th…
Identification of Consonants from Formant Transitions Presented Forward and Backward
The effect of coarticulation on perception was studied by asking 18 subjects to identify the place of articulation of stop and fricative consonants from CV and VC vowel transitions played forward and backward. The factors investigated were: (A) transition direction, forward and backward; (B) transition position, CV and VC; (C) manner of production; (D) mode of production; and (E) place of production. The results indicate that: (1) with the except…
Effects of coarticulation on the identification of deleted consonant and vowel sounds
Effect of adaptation on the perception and production of vowel duration preceding stop consonants
Recovery from adaptation to stimuli varying in voice onset time
Recovery from categorical boundary shifts for the vowel duration cue to consonant voicing
Effect of stimulus range on the identification of distorted /r/ in synthesized adult and child /r-w/ continua
Relationship between the speech characteristics and effectiveness of telephone interviewers
Phonetics and Phonology Research (17 obras) · Psychology (16 obras) · Computer Science (15 obras) · Audiology (14 obras) · Speech recognition (14 obras) · Medicine (13 obras) · Vowel (12 obras) · Mathematics (11 obras) · Consonant (10 obras) · Acoustics (8 obras)