Speech Perception With Music Maskers by Cochlear Implant Users and Normal-Hearing Listeners

Eskridge, Elizabeth; Galvin, John J.; Aronoff, Justin M.; Li, Tianhao; Fu, Qian-Jie

doi:10.1044/1092-4388(2011/11-0124)

Cited by 20 publications

(28 citation statements)

References 26 publications

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“…Performance was also compared across subject using ANOVAs. Performance was also compared to that of the English-speaking CI subjects in Eskridge et al [2], as the masker stimuli were similar between the present and the previous study.…”

Section: Methodsmentioning

confidence: 59%

“…Sentence recognition was measured in three types of maskers, as used in Eskridge et al [2]: 1) speech-shaped steady state noise (SSN), 2) six-talker babble, and 3) an excerpt of music. The maskers differed in terms of spectro-temporal properties.…”

Section: Methodsmentioning

confidence: 99%

“…The spectrum of the six-talker babble overlapped that of the MSP sentences, but also contained temporal fluctuations; as such, the babble produced both energetic and informational masking. The spectrum of the music excerpt (the “Power theme” sample used in Eskridge et al [2]) partially overlapped that of the MSP sentences and contained temporal fluctuations according to the musical performance; as such, the music masker was expected to provide less energetic masking than the SSN and babble maskers and a different type of informational masking than the babble masker in terms of temporal fluctuations and content. Note that the “Power theme” sample was used in this study because it produced the largest interference with CI users’ speech understanding in Eskridge et al [2].…”

Section: Methodsmentioning

confidence: 99%

“…NH listeners regularly experience a release from masking with dynamic maskers relative to steady noise [1, 2]. Different from NH listeners, cochlear implant (CI) users have greater difficulty with dynamic than with steady noise [1].…”

Section: Introductionmentioning

confidence: 99%

“…Gfeller et al [4] found that speech reception thresholds for CI listeners in background music was affected by different types of music and hearing status. Eskridge et al [2] found that CI speech understanding worsened as the spectro-temporal complexity increased within the maskers.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Effect of spatial separation and noise type on sentence recognition by Mandarin-speaking cochlear implant users

Liu

Tao

Jiang

et al. 2017

Acta Oto-Laryngologica

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Objectives To investigate the effects of spatial separation and noise type on sentence recognition by unilateral Mandarin-speaking cochlear implant (CI) users and normal-hearing (NH) listeners. Method Twenty-two unilateral Mandarin-speaking CI users and six NH listeners participated in this study. Speech reception thresholds were measured for three noise types (steady state noise, speech babble, and music). Sentences from the Mandarin Speech Perception test were presented directly in front of the listener (0°). Noise was presented from one of the five speaker locations: −90°, −45°, 0°, +45°, and +90°. Results Overall, CI performance was significantly poorer than NH performance for all spatial separation and noise type conditions. NH listeners performed best with music and poorest with steady noise. CI users performed best with steady noise, and poorest with babble. Performance was significantly affected by noise location and noise type. There was no significant difference in head shadow effects among the different noise types for CI users. Conclusions Performance was much poorer in CI than in NH listeners for all noise types and spatial separations. Noise type differently affected unilateral CI users and NH listeners. The limited spectral resolution in CI users did not appear to affect head shadow.

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Section: Methodsmentioning

confidence: 59%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Effect of spatial separation and noise type on sentence recognition by Mandarin-speaking cochlear implant users

Liu

Tao

Jiang

et al. 2017

Acta Oto-Laryngologica

Self Cite

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Music perception and speech intelligibility in noise performance by Italian-speaking cochlear implant users

D'Alessandro

Boyle

Portanova

et al. 2021

Eur Arch Otorhinolaryngol

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Objective The goal of this study was to investigate the performance correlations between music perception and speech intelligibility in noise by Italian-speaking cochlear implant (CI) users. Materials and methods Twenty postlingually deafened adults with unilateral CIs (mean age 65 years, range 46–92 years) were tested with a music quality questionnaire using three passages of music from Classical Music, Jazz, and Soul. Speech recognition in noise was assessed using two newly developed adaptive tests in Italian: The Sentence Test with Adaptive Randomized Roving levels (STARR) and Matrix tests. Results Median quality ratings for Classical, Jazz and Soul music were 63%, 58% and 58%, respectively. Median SRTs for the STARR and Matrix tests were 14.3 dB and 7.6 dB, respectively. STARR performance was significantly correlated with Classical music ratings (rs = − 0.49, p = 0.029), whereas Matrix performance was significantly correlated with both Classical (rs = − 0.48, p = 0.031) and Jazz music ratings (rs = − 0.56, p = 0.011). Conclusion Speech with competitive noise and music are naturally present in everyday listening environments. Recent speech perception tests based on an adaptive paradigm and sentence materials in relation with music quality measures might be representative of everyday performance in CI users. The present data contribute to cross-language studies and suggest that improving music perception in CI users may yield everyday benefit in speech perception in noise and may hence enhance the quality of listening for CI users.

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Speech Perception in Noise with a Harmonic Complex Excited Vocoder

Churchill

Kan

Goupell

et al. 2014

JARO

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A cochlear implant (CI) presents band-pass-filtered acoustic envelope information by modulating current pulse train levels. Similarly, a vocoder presents envelope information by modulating an acoustic carrier. By studying how normal hearing (NH) listeners are able to understand degraded speech signals with a vocoder, the parameters that best simulate electric hearing and factors that might contribute to the NH-CI performance difference may be better understood. A vocoder with harmonic complex carriers (fundamental frequency, f0 = 100 Hz) was used to study the effect of carrier phase dispersion on speech envelopes and intelligibility. The starting phases of the harmonic components were randomly dispersed to varying degrees prior to carrier filtering and modulation. NH listeners were tested on recognition of a closed set of vocoded words in background noise. Two sets of synthesis filters simulated different amounts of current spread in CIs. Results showed that the speech vocoded with carriers whose starting phases were maximally dispersed was the most intelligible. Superior speech understanding may have been a result of the flattening of the dispersed-phase carrier's intrinsic temporal envelopes produced by the large number of interacting components in the high-frequency channels. Cross-correlogram analyses of auditory nerve model simulations confirmed that randomly dispersing the carrier's component starting phases resulted in better neural envelope representation. However, neural metrics extracted from these analyses were not found to accurately predict speech recognition scores for all vocoded speech conditions. It is possible that central speech understanding mechanisms are insensitive to the envelope-fine structure dichotomy exploited by vocoders.

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Speech Perception With Music Maskers by Cochlear Implant Users and Normal-Hearing Listeners

Cited by 20 publications

References 26 publications

Effect of spatial separation and noise type on sentence recognition by Mandarin-speaking cochlear implant users

Effect of spatial separation and noise type on sentence recognition by Mandarin-speaking cochlear implant users

Music perception and speech intelligibility in noise performance by Italian-speaking cochlear implant users

Speech Perception in Noise with a Harmonic Complex Excited Vocoder

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