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The 37th Perceptual Frontier Seminar: Auditory Continuity and Timing

Date and time: Wednesday, 7 February 2018, 16:00-18:00
Venue: Room 411 on the 1st Floor of Building 4, Ohashi Campus, Kyushu University, Fukuoka, Japan <http://www.design.kyushu-u.ac.jp/kyushu-u/english/access>
Language: English
Organizers: Kazuo UEDA (Kyushu Univ., ReCAPS)

Program

1. Pause duration influences impressions of speech style in English public speaking
Shimeng LIU* and Yoshitaka NAKAJIMA*,**
*Kyushu University, **ReCAPS

2. Perceptual restoration of interrupted locally time-reversed speech: Preliminary data and analysis
Kazuo UEDA*,**, Nozomi INUI*, Kaisei SHIRAKI*, Valter CIOCCA***, Yoshitaka NAKAJIMA*,**, and Gerard B. REMIJN*,**
*Kyushu University, **ReCAPS, ***The University of British Columbia

The effects of periodical interruption with silence or noise on intelligibility of speech and locally time-reversed speech in Japanese sentences were investigated. A pilot experiment was conducted with eight Japanese normal-hearing participants, using stimuli that were interrupted with 20-120 or 20-220 ms segments. The results showed a possibility that noise insertion improved intelligibility in both interrupted speech and interrupted locally-time reversed speech, although the intelligibility of the interrupted locally-time reversed speech was generally poorer than that of the interrupted speech.

3. A study on continuity perception in glide tones
Midori KAMIGASA*, Gerard B. REMIJN*,**, Kazuo UEDA*,**, and Yoshitaka NAKAJIMA*,**
*Kyushu University, **ReCAPS

4. The perception of auditory continuity by cochlear implant listeners
Valter CIOCCA*, Halen PANCHYK**, Sipke PIJL*, Nicholas HAYWOOD***, Andrew VANDALI****, Brian WESTERBERG*, Cindy GUSTIN*
*The University of British Columbia, **Saskatoon Health Region, ***Macquarie University, ****University of Melbourne

The perception of auditory continuity by cochlear implant (CI) users was investigated by testing two groups of listeners (10 CI users, and 10 control listeners with normal-hearing). The participants took part in two tasks in which they heard a pure tone and a narrow-band noise (masker) centred at the frequency of the pure tone: a yes-no task (perceived continuity judgments), and a 2AFC task (masking task). CI listeners reported stronger perceived continuity and masking at a specific masker level, suggesting that susceptibility to masking plays an important role in poor speech-in-noise performance by listeners with cochlear implants. 

We will get together after the Seminar in Hanahana, an Okinawan restaurant near our Institute <https://tabelog.com/fukuoka/A4001/A400202/40011699/>. Please get in contact with Kazuo Ueda (ueda[at]design.kyushu-u.ac.jp) by Sunday, 4 February, if you would like to join.

Photos

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