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  • Chen, Jing  (3)
  • Schneider, Bruce  (3)
  • Linguistics  (3)
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  • Linguistics  (3)
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  • 1
    Online Resource
    Online Resource
    Auditory priming releases Chinese speech from informational masking
    Acoustical Society of America (ASA) ; 2006
    In:  The Journal of the Acoustical Society of America Vol. 120, No. 5_Supplement ( 2006-11-01), p. 3341-3342
    Details
    In: The Journal of the Acoustical Society of America, Acoustical Society of America (ASA), Vol. 120, No. 5_Supplement ( 2006-11-01), p. 3341-3342
    Abstract: Before an English speech sentence is presented, hearing or reading the sentence without the last key word improves recognition of the last key word if the full-length speech sentence is presented under speech masking but not under noise masking. This phenomenon suggests a content priming effect on releasing speech from informational masking. To determine whether the priming effect extends to tonal Chinese speech, and, in particular, whether it can be induced by the target talkers voice, in the present study, listeners were presented with either same-voice/different-sentence primes or same-voice/same-sentence primes before hearing the target sentence in either two-talker-speech masking or noise masking. Under speech masking, each of the two prime types significantly improved recognition of the last key word in the full-length target sentence, but the content priming is stronger than the voice priming. Under noise masking, same-voice/same-sentence primes had a weak but significant priming effect, but same-voice/different-sentence primes had only a negligible priming effect. These results suggest that both content and voice cues can be used by listeners to release Chinese speech from informational masking, but only content cues are useful for releasing Chinese speech from energetic masking. [Work supported by China NSF and Canadian IHR.]
    Type of Medium: Online Resource
    ISSN: 0001-4966 , 1520-8524
    URL: Article
    DOI: 10.1121/1.4781344
    RVK:
    EQ 1000
    Language: English
    Publisher: Acoustical Society of America (ASA)
    Publication Date: 2006
    detail.hit.zdb_id: 1461063-2
    detail.hit.zdb_id: 219231-7
    Location Call Number Limitation Availability
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    Online Resource
  • 2
    Online Resource
    Online Resource
    The fading of auditory memory
    Acoustical Society of America (ASA) ; 2005
    In:  The Journal of the Acoustical Society of America Vol. 117, No. 4_Supplement ( 2005-04-01), p. 2599-2600
    Details
    In: The Journal of the Acoustical Society of America, Acoustical Society of America (ASA), Vol. 117, No. 4_Supplement ( 2005-04-01), p. 2599-2600
    Abstract: Due to auditory memory, the auditory system is capable of maintaining a detailed representation of arbitrary waveforms for a period of time, so that a broadband noise and its delayed copies can be perceptually fused. This auditory memory would be critical for perceptually grouping correlated sounds and segregating uncorrelated sounds in noisy, reverberant environments. Its fading process over time was investigated in the present study at the behavioral level, using a break in correlation (BIC, a drop of inter-sound correlation from 1.00 to 0 and then return to 1.00) between two correlated broadband noises. The results show that with the rise of inter-sound delay from 2 to 10 ms under either headphone-stimulation or loudspeaker-stimulation conditions, the shortest BIC duration necessary for listeners to correctly detect the occurrence of the BIC increased rapidly. This elevation in the duration threshold was faster under the headphone-stimulation condition than the loudspeaker-stimulation condition. Also, the listeners reaction time in response to the BIC but not that to a comparable silent gap elongated quickly with the increase in the inter-sound delay from 1 to 8 ms. Thus the auditory memory of fine structures fades rapidly after the sound waves are received. [Work supported by MSTC and NSERCC.]
    Type of Medium: Online Resource
    ISSN: 0001-4966 , 1520-8524
    URL: Article
    DOI: 10.1121/1.4777579
    RVK:
    EQ 1000
    Language: English
    Publisher: Acoustical Society of America (ASA)
    Publication Date: 2005
    detail.hit.zdb_id: 1461063-2
    detail.hit.zdb_id: 219231-7
    Location Call Number Limitation Availability
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    Online Resource
  • 3
    Online Resource
    Online Resource
    Training listeners or preserving phase information improves the effect of perceived spatial separation on releasing spectrally degraded Chinese speech from information masking
    Acoustical Society of America (ASA) ; 2005
    In:  The Journal of the Acoustical Society of America Vol. 117, No. 4_Supplement ( 2005-04-01), p. 2537-2538
    Details
    In: The Journal of the Acoustical Society of America, Acoustical Society of America (ASA), Vol. 117, No. 4_Supplement ( 2005-04-01), p. 2537-2538
    Abstract: Physical or perceived spatial signal/masker separation unmasks speech more when maskers are informational than when energetic. However, it is unclear how beneficial the separations are to cochlear-implant listeners, because signal transductions applied in cochlear implant degrade signals spectrally, and spectrally degraded speech is more vulnerable to maskers. Here, spectrums of both target speech (nonsense sentence) and masker (steady speech-spectrum noise, speech modulated speech C-spectrum noise, or speech) were filtered into 15 frequency bands. For both target and masking speech, the center-frequency pure tone of each band was modulated by the extracted envelope from the band. The target speech was composed by the sum of the 8 odd-band tones, and the masker was either same-band (with the 8 odd-band tones) or different-band (with the 7 even-band tones). The results show that physical but not perceived spatial separation unmasked target speech in naive normal-hearing listeners. However, following pre-presentations of both degraded and normal correspondent speech to listeners for a period of time or the introduction of phase information into modulated tones, perceived spatial separation reduced the influence of different-band speech masking but not that of same-band speech masking. These results are useful for improving cochlear-implant programs at both behavioral and technical levels.
    Type of Medium: Online Resource
    ISSN: 0001-4966 , 1520-8524
    URL: Article
    DOI: 10.1121/1.4788430
    RVK:
    EQ 1000
    Language: English
    Publisher: Acoustical Society of America (ASA)
    Publication Date: 2005
    detail.hit.zdb_id: 1461063-2
    detail.hit.zdb_id: 219231-7
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
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