speech intelligibility


Summary: Ability to make speech sounds that are recognizable.

Top Publications

  1. Miller N. Measuring up to speech intelligibility. Int J Lang Commun Disord. 2013;48:601-12 pubmed publisher
    Improvement or maintenance of speech intelligibility is a central aim in a whole range of conditions in speech-language therapy, both developmental and acquired...
  2. Namasivayam A, Pukonen M, Goshulak D, Yu V, Kadis D, Kroll R, et al. Relationship between speech motor control and speech intelligibility in children with speech sound disorders. J Commun Disord. 2013;46:264-80 pubmed publisher
    The current study was undertaken to investigate the impact of speech motor issues on the speech intelligibility of children with moderate to severe speech sound disorders (SSD) within the context of the PROMPT intervention approach...
  3. Zekveld A, Rudner M, Johnsrude I, Heslenfeld D, Ronnberg J. Behavioral and fMRI evidence that cognitive ability modulates the effect of semantic context on speech intelligibility. Brain Lang. 2012;122:103-13 pubmed publisher
    ..We conclude that individual differences in cognitive abilities are related to activation in a speech-sensitive network including left MTG, IFG and AG during cued speech perception. ..
  4. Bhargava P, Baskent D. Effects of low-pass filtering on intelligibility of periodically interrupted speech. J Acoust Soc Am. 2012;131:EL87-92 pubmed publisher
    ..5 and 10 Hz) on speech intelligibility was investigated...
  5. Most T, Ingber S, Heled Ariam E. Social competence, sense of loneliness, and speech intelligibility of young children with hearing loss in individual inclusion and group inclusion. J Deaf Stud Deaf Educ. 2012;17:259-72 pubmed publisher
    ..The relations between these factors and the child's speech intelligibility were performed. Sixty-four children aged 4-7 years participated: 22 from an II and 42 from a GI...
  6. Stone M, Füllgrabe C, Mackinnon R, Moore B. The importance for speech intelligibility of random fluctuations in "steady" background noise. J Acoust Soc Am. 2011;130:2874-81 pubmed publisher
    ..Sinusoidally modulated noise and a single talker were also used as backgrounds, with both SDM and EDM. Speech intelligibility was measured for N?=?12, 19, and 30, with the target-to-background ratio fixed at -7 dB...
  7. Narain C, Scott S, Wise R, Rosen S, Leff A, Iversen S, et al. Defining a left-lateralized response specific to intelligible speech using fMRI. Cereb Cortex. 2003;13:1362-8 pubmed
  8. Munhall K, Jones J, Callan D, Kuratate T, Vatikiotis Bateson E. Visual prosody and speech intelligibility: head movement improves auditory speech perception. Psychol Sci. 2004;15:133-7 pubmed
    ..These results suggest that nonverbal gestures such as head movements play a more direct role in the perception of speech than previously known. ..
  9. van Hoesel R. Exploring the benefits of bilateral cochlear implants. Audiol Neurootol. 2004;9:234-46 pubmed
    Several recent reports indicate that both localization and speech intelligibility in spatially separated noise are substantially improved by using cochlear implants (CIs) in both ears rather than in just one...

More Information


  1. Bingabr M, Espinoza Varas B, Loizou P. Simulating the effect of spread of excitation in cochlear implants. Hear Res. 2008;241:73-9 pubmed publisher
    ..The effect of excitation spread on speech intelligibility was simulated in normal-hearing subjects by varying the slopes of the synthesis bands in the noise vocoder...
  2. McAuliffe M, Carpenter S, Moran C. Speech intelligibility and perceptions of communication effectiveness by speakers with dysarthria following traumatic brain injury and their communication partners. Brain Inj. 2010;24:1408-15 pubmed publisher
    ..The relationship between communicative effectiveness and listener ratings of speech intelligibility was also examined.
  3. De Raeve L. A longitudinal study on auditory perception and speech intelligibility in deaf children implanted younger than 18 months in comparison to those implanted at later ages. Otol Neurotol. 2010;31:1261-7 pubmed publisher
    The objective of this study was to measure longitudinally the progress in the auditory performance and speech intelligibility of young deaf children implanted under the age of 18 months in comparison to those implanted after 18 months and ..
  4. Senn P, Kompis M, Vischer M, Haeusler R. Minimum audible angle, just noticeable interaural differences and speech intelligibility with bilateral cochlear implants using clinical speech processors. Audiol Neurootol. 2005;10:342-52 pubmed
    Sound localization and speech intelligibility were assessed in 5 patients implanted bilaterally with Medel C40+ or Medel C40 cochlear implant (CI) systems...
  5. Pinto J, da Silva Dalben G, Pegoraro Krook M. Speech intelligibility of patients with cleft lip and palate after placement of speech prosthesis. Cleft Palate Craniofac J. 2007;44:635-41 pubmed publisher
    To evaluate the speech intelligibility of patients with clefts before and after placement of a speech prosthesis. Cross-sectional. Hospital for Rehabilitation of Craniofacial Anomalies, University of São Paulo (HRAC/USP), Bauru, Brazil...
  6. Ray J. Orofacial myofunctional therapy in dysarthria: a study on speech intelligibility. Int J Orofacial Myology. 2002;28:39-48 pubmed
    ..Pre-therapy assessment focused on existing orofacial myofunctional problems and speech intelligibility in the clients...
  7. Ma J, Hu Y, Loizou P. Objective measures for predicting speech intelligibility in noisy conditions based on new band-importance functions. J Acoust Soc Am. 2009;125:3387-405 pubmed publisher
    ..94) with sentence recognition scores. The results from this study clearly suggest that the traditional AI and STI indices could benefit from the use of the proposed signal- and segment-dependent band-importance functions. ..
  8. Fogerty D, Humes L. Perceptual contributions to monosyllabic word intelligibility: segmental, lexical, and noise replacement factors. J Acoust Soc Am. 2010;128:3114-25 pubmed publisher
    ..Consonants appear to provide speech cues that are equally available and informative during sentence and isolated word presentations. ..
  9. van Dijkhuizen J, Beers M, Boermans P, Briaire J, Frijns J. Speech intelligibility as a predictor of cochlear implant outcome in prelingually deafened adults. Ear Hear. 2011;32:445-58 pubmed publisher
    ..Because intelligibility has superior predictive power in comparison to age at onset of deafness, the latter should be discarded as an exclusion criterion for cochlear implantation. ..
  10. Pichora Fuller M, Schneider B, MacDonald E, Pass H, Brown S. Temporal jitter disrupts speech intelligibility: a simulation of auditory aging. Hear Res. 2007;223:114-21 pubmed
    ..2kHz was spectrally distorted. Hence, it is the temporal distortion rather than the spectral distortion of the low-frequency components that disrupts word identification. ..
  11. Gilbert G, Bergeras I, Voillery D, Lorenzi C. Effects of periodic interruptions on the intelligibility of speech based on temporal fine-structure or envelope cues. J Acoust Soc Am. 2007;122:1336 pubmed
    ..When an effect of interruption rate was observed, the effect occurred at low interruption rates (<8 Hz) and was stronger for E- than TFS-coded speech, suggesting larger involvement of modulation masking with E-coded speech. ..
  12. Davis M, Johnsrude I. Hierarchical processing in spoken language comprehension. J Neurosci. 2003;23:3423-31 pubmed
  13. Rogers C, DeMasi T, Krause J. Conversational and clear speech intelligibility of /bVd/ syllables produced by native and non-native English speakers. J Acoust Soc Am. 2010;128:410-23 pubmed publisher
  14. Aström M, Tripoliti E, Hariz M, Zrinzo L, Martinez Torres I, Limousin P, et al. Patient-specific model-based investigation of speech intelligibility and movement during deep brain stimulation. Stereotact Funct Neurosurg. 2010;88:224-33 pubmed publisher
    ..In each patient, speech intelligibility and movement were assessed during 2 electrical settings, i.e. 4 V (high) and 2 V (low)...
  15. Ihlefeld A, Shinn Cunningham B. Spatial release from energetic and informational masking in a selective speech identification task. J Acoust Soc Am. 2008;123:4369-79 pubmed publisher
    ..These results demonstrate that at least two mechanisms (differentially affected by spatial and level cues) influence informational masking. ..
  16. Beutelmann R, Brand T, Kollmeier B. Revision, extension, and evaluation of a binaural speech intelligibility model. J Acoust Soc Am. 2010;127:2479-97 pubmed publisher
    This study presents revision, extension, and evaluation of a binaural speech intelligibility model (Beutelmann, R., and Brand, T. (2006). J. Acoust. Soc. Am...
  17. Terzis J, Karypidis D. Direct tongue neurotization: the effect on speech intelligibility in patients with Möbius syndrome. Plast Reconstr Surg. 2010;125:150-60 pubmed publisher
    ..Direct tongue neurotization has been used by the senior author (J.K.T) to improve tongue function and speech intelligibility in patients with Möbius syndrome...
  18. Calmels M, Saliba I, Wanna G, Cochard N, Fillaux J, Deguine O, et al. Speech perception and speech intelligibility in children after cochlear implantation. Int J Pediatr Otorhinolaryngol. 2004;68:347-51 pubmed
    This study aimed to evaluate the long-term speech perception and speech intelligibility of congenitally and prelingually deaf children after cochlear implantation...
  19. Peng S, Spencer L, Tomblin J. Speech intelligibility of pediatric cochlear implant recipients with 7 years of device experience. J Speech Lang Hear Res. 2004;47:1227-36 pubmed
    b>Speech intelligibility of 24 prelingually deaf pediatric cochlear implant (CI) recipients with 84 months of device experience was investigated. Each CI participant's speech samples were judged by a panel of 3 listeners...
  20. Ramirez Inscoe J, Nikolopoulos T. Cochlear implantation in children deafened by cytomegalovirus: speech perception and speech intelligibility outcomes. Otol Neurotol. 2004;25:479-82 pubmed
    ..16 implanted children who were deafened by cytomegalovirus, using the Iowa Closed Sentence Test and Speech Intelligibility Rating...
  21. Gnansia D, Pressnitzer D, Péan V, Meyer B, Lorenzi C. Intelligibility of interrupted and interleaved speech for normal-hearing listeners and cochlear implantees. Hear Res. 2010;265:46-53 pubmed publisher
    b>Speech intelligibility is degraded in the presence of a competing talker for cochlear implantees, presumably because of impaired tracking and integration of speech segments glimpsed in the masker valleys...
  22. Baskent D, Eiler C, Edwards B. Phonemic restoration by hearing-impaired listeners with mild to moderate sensorineural hearing loss. Hear Res. 2010;260:54-62 pubmed publisher
    ..The overall findings suggest that, in addition to insufficient audibility, degradations in the bottom-up and/or top-down mechanisms as a result of hearing loss may limit or entirely prevent phonemic restoration...
  23. Moerman M, Martens J, Crevier Buchman L, de Haan E, Grand S, Tessier C, et al. The INFVo perceptual rating scale for substitution voicing: development and reliability. Eur Arch Otorhinolaryngol. 2006;263:435-9 pubmed
    ..Our experiments demonstrate that the INFVo rating scale has good potential to become a routine perceptual evaluation method in a multidimensional assessment protocol for substitution voicing. ..
  24. Kidd G, Best V, Mason C. Listening to every other word: examining the strength of linkage variables in forming streams of speech. J Acoust Soc Am. 2008;124:3793-802 pubmed publisher
    ..The results suggest that variables that link target words together improve their resiliency to interference and/or their recall. ..
  25. Arweiler I, Buchholz J. The influence of spectral characteristics of early reflections on speech intelligibility. J Acoust Soc Am. 2011;130:996-1005 pubmed publisher
    ..In the present paper the benefit from realistic ERs on speech intelligibility in diffuse speech-shaped noise was investigated for normal-hearing and hearing-impaired listeners...
  26. Rousseaux M, Krystkowiak P, Kozlowski O, Ozsancak C, Blond S, Destee A. Effects of subthalamic nucleus stimulation on parkinsonian dysarthria and speech intelligibility. J Neurol. 2004;251:327-34 pubmed
    ..In conclusion, surgery had weak effects on dysarthria. Intelligibility can be worsened, especially in the on-drug condition. Thus, adaptation of the stimulation parameters can be difficult. ..
  27. Adank P, Evans B, Stuart Smith J, Scott S. Comprehension of familiar and unfamiliar native accents under adverse listening conditions. J Exp Psychol Hum Percept Perform. 2009;35:520-9 pubmed publisher
    ..Furthermore, the results showed that the processing cost associated with the nonnative accent was larger than for the unfamiliar native accent. ..
  28. Spahr A, Dorman M, Litvak L, Van Wie S, GIFFORD R, Loizou P, et al. Development and validation of the AzBio sentence lists. Ear Hear. 2012;33:112-7 pubmed publisher
    ..An additional eight sentence lists have been included in the Minimum Speech Test Battery to be distributed by the CI manufacturers for the evaluation of CI candidates. ..
  29. Baskent D, Bazo D. Audiovisual asynchrony detection and speech intelligibility in noise with moderate to severe sensorineural hearing impairment. Ear Hear. 2011;32:582-92 pubmed publisher
    ..Points of subjective simultaneity were also not correlated with speech intelligibility scores...
  30. Obleser J, Eisner F, Kotz S. Bilateral speech comprehension reflects differential sensitivity to spectral and temporal features. J Neurosci. 2008;28:8116-23 pubmed publisher
  31. Soli S, Wong L. Assessment of speech intelligibility in noise with the Hearing in Noise Test. Int J Audiol. 2008;47:356-61 pubmed publisher
  32. Stilp C, Kluender K. Cochlea-scaled entropy, not consonants, vowels, or time, best predicts speech intelligibility. Proc Natl Acad Sci U S A. 2010;107:12387-92 pubmed publisher
    ..Results challenge traditional distinctions between consonants and vowels. Speech intelligibility is better predicted by nonlinguistic sensory measures of uncertainty (potential information) than by ..
  33. Liu H, Tsao F, Kuhl P. The effect of reduced vowel working space on speech intelligibility in Mandarin-speaking young adults with cerebral palsy. J Acoust Soc Am. 2005;117:3879-89 pubmed
    The purpose of this study was to examine the effect of reduced vowel working space on dysarthric talkers' speech intelligibility using both acoustic and perceptual approaches...
  34. Scott S, Rosen S, Lang H, Wise R. Neural correlates of intelligibility in speech investigated with noise vocoded speech--a positron emission tomography study. J Acoust Soc Am. 2006;120:1075-83 pubmed
    ..Specifically, it is suggested that an anterior stream processing intelligibility can be distinguished from a posterior stream associated with transient representations, important in spoken repetition and working memory. ..
  35. DiGiovanni J, Davlin E, Nagaraj N. Effects of transient noise reduction algorithms on speech intelligibility and ratings of hearing aid users. Am J Audiol. 2011;20:140-50 pubmed publisher
    ..assess the functional utility of transient noise reduction (TNR) algorithms available in hearing aids via speech intelligibility and user preferences...
  36. Burda A, Scherz J, Hageman C, Edwards H. Age and understanding speakers with Spanish or Taiwanese accents. Percept Mot Skills. 2003;97:11-20 pubmed
    ..Listeners, regardless of age, were more likely to provide correct responses if they perceived the speaker easier to understand. Ratings of comprehensibility were highly correlated with ratings of accentedness. ..
  37. Stelzle F, Maier A, Nöth E, Bocklet T, Knipfer C, Schuster M, et al. Automatic quantification of speech intelligibility in patients after treatment for oral squamous cell carcinoma. J Oral Maxillofac Surg. 2011;69:1493-500 pubmed publisher
    Treatment of oral carcinomas often causes reduced speech intelligibility. It was the aim of this study to objectively evaluate the speech intelligibility of patients after multimodal therapy for oral squamous cell carcinoma (OSCC) with a ..
  38. Allen C, Nikolopoulos T, Dyar D, O Donoghue G. Reliability of a rating scale for measuring speech intelligibility after pediatric cochlear implantation. Otol Neurotol. 2001;22:631-3 pubmed
    To evaluate the reliability of the Speech Intelligibility Rating scale to monitor the speech intelligibility of deaf children who have received cochlear implants...
  39. Baskent D, Chatterjee M. Recognition of temporally interrupted and spectrally degraded sentences with additional unprocessed low-frequency speech. Hear Res. 2010;270:127-33 pubmed publisher
  40. Miller S, Schlauch R, Watson P. The effects of fundamental frequency contour manipulations on speech intelligibility in background noise. J Acoust Soc Am. 2010;128:435-43 pubmed publisher
    ..The purpose of this present study was to further investigate how F0 manipulations affect speech intelligibility in background noise...
  41. Burda A, Bradley Potter M, Dralle J, Murphy J, Ries S, Roehs A. Influence of age and native language on immediate verbal repetition. Percept Mot Skills. 2009;109:169-76 pubmed
    ..Investigations should focus on strategies which may aid native English speakers in understanding non-native English speakers. ..
  42. Litovsky R, Parkinson A, Arcaroli J. Spatial hearing and speech intelligibility in bilateral cochlear implant users. Ear Hear. 2009;30:419-31 pubmed publisher
    ..The first aim of the study was to investigate the change in speech intelligibility under bilateral and unilateral listening modes as a function of bilateral experience during the first 6 mo ..
  43. Tye Murray N, Sommers M, Spehar B, Myerson J, Hale S, Rose N. Auditory-visual discourse comprehension by older and young adults in favorable and unfavorable conditions. Int J Audiol. 2008;47 Suppl 2:S31-7 pubmed publisher
    ..When attempting to comprehend discourse, older adults may draw upon verbal and cognitive abilities that are relatively insensitive to age. ..
  44. Qin M, Oxenham A. Effects of introducing unprocessed low-frequency information on the reception of envelope-vocoder processed speech. J Acoust Soc Am. 2006;119:2417-26 pubmed
    ..The findings provide further support for efforts to make use of residual acoustic hearing in cochlear-implant users. ..
  45. Meyer B, Jürgens T, Wesker T, Brand T, Kollmeier B. Human phoneme recognition depending on speech-intrinsic variability. J Acoust Soc Am. 2010;128:3126-41 pubmed publisher
    ..The database and detailed results have been made available for comparisons between human speech recognition (HSR) and automatic speech recognizers (ASR). ..
  46. Magnusson L. Comparison of the fine structure processing (FSP) strategy and the CIS strategy used in the MED-EL cochlear implant system: speech intelligibility and music sound quality. Int J Audiol. 2011;50:279-87 pubmed publisher
    ..Blinded paired-comparisons between FSP and HDCIS were performed for speech intelligibility and music sound quality...
  47. Clopper C, Bradlow A. Perception of dialect variation in noise: intelligibility and classification. Lang Speech. 2008;51:175-98 pubmed
    ..In a series of four experiments, we examined the effects of dialect variation on speech intelligibility in noise and the effects of noise on perceptual dialect classification...
  48. Hustad K. The relationship between listener comprehension and intelligibility scores for speakers with dysarthria. J Speech Lang Hear Res. 2008;51:562-73 pubmed publisher
    ..Relationships were examined across all speakers and their listeners when severity effects were statistically controlled, within severity groups, and within individual speakers with dysarthria...
  49. Phillips D, Vigneault MacLean B, Boehnke S, Hall S. Acoustic hemifields in the spatial release from masking of speech by noise. J Am Acad Audiol. 2003;14:518-24 pubmed
    The Hearing-in-Noise Test (HINT) is able to measure the benefit to speech intelligibility in noise conferred when the noise masker is displaced 90 degrees in eccentricity from a speech source located at zero degrees azimuth...
  50. Rajan R, Cainer K. Ageing without hearing loss or cognitive impairment causes a decrease in speech intelligibility only in informational maskers. Neuroscience. 2008;154:784-95 pubmed publisher
  51. Bent T, Bradlow A. The interlanguage speech intelligibility benefit. J Acoust Soc Am. 2003;114:1600-10 pubmed
    ..was as intelligible as speech from a native talker, giving rise to the "matched interlanguage speech intelligibility benefit...
  52. Wu C, Sun Y, Liu T. Long-term categorical auditory performance and speech intelligibility in Mandarin-speaking prelingually deaf children with early cochlear implantation in Taiwan. Clin Otolaryngol. 2008;33:35-8 pubmed publisher
    We evaluated the long-term development of categorical auditory performance and speech intelligibility rating of Mandarin-speaking prelingually deaf children within 5 years after early cochlear implantation...
  53. Burda A, Brace A, Hosch A. Aphasia and accent in identifying medical sentences. Percept Mot Skills. 2007;104:1375-8 pubmed
    ..No interaction effects occurred. Investigations should continue to explore the effect of acquired language disorders on the understanding of accented speech. ..