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Parole chiave: Classroom Acoustics

Pubblicazioni (parole chiave): Classroom, Classroom acoustic assessment

Linee di ricerca: Classroom Acoustics: The research deals with the improvement of acoustical quality in classrooms of different grades. Through measurements, surveys and simulations, the effects of noise and room acoustics on vocal effort of teachers and on speech comprehension of students are particularly investigated, as well as the effect on well-being and cognitive performances.

Presentazione: ” and a member of the editorial board of “Acoustics” and “Building Acoustics”. Her main research interests include classroom acoustics, speech intelligibility and voice monitoring, but she also works on sound diffusion, acoustical characterization of materials, sound insulation, soundscape. She is the author of more than 100 peer-reviewed journal papers and hundreds of conference papers; she has three patents and has created two start-ups incubated in the I3P incubator of the Politecnico di Torino.

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Pubblicazioni (parole chiave): Daylight in classroom, Daylight in classrooms

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Pubblicazioni (parole chiave): Aula, Aula per le udienze

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Pubblicazioni (parole chiave): Classroom, Classroom acoustics

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Pubblicazioni (parole chiave): Classroom, Classroom acoustics

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Pubblicazioni (parole chiave): Classroom acoustics, University classroom

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Abstract: rely. This knowledge is essential for educating highly skilled nuclear safety analysts. Furthermore, the project will make use of an innovative pedagogical approach allowing (a) to improve student learning, (b) to maximize the time the students interact with the teachers, and (c) to provide education to remote students. For that purpose, a flipped classroom set-up offered in a hybrid environment allowing combining on-site and off-site attendees will be used. The flipped classroom format

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Abstract: The SARS-CoV-2 pandemic has shown that UV-based sterilization methods, alternative to conventional chemical techniques, are needed to inactivate viruses in large environments, like classrooms, planes, and hospitals. Conventional UV-emitters (mercury tubes) cannot be widely adopted, due to their large size, low efficiency, short lifetimes, and complex disposal procedures due to Hg content. The goal of this project is to substantially contribute to the development of high-efficiency UV LED

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Parole chiave: classroom acoustics, Classroom communication

Abstract: This study explored the effects of wearing face masks on classroom communication. The effects of three different types of face masks (fabric, surgical, and N95 masks) on speech intelligibility (SI) presented to college students in auralized classrooms were evaluated. To simulate realistic classroom conditions, speech stimuli were presented in the presence of speech-shaped noise with a signal-to-noise ratio of +3dB under two different reverberation times (0.4s and 3.1s). The use of fabric masks

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Parole chiave: classroom acoustics

Abstract: Every time pupils learn, they try to understand and decode a voice message from the teacher. Thus, to maximise speech intelligibility they try to tune into speech and to tune out competing sounds. Such process can be compromised under adverse classroom acoustic conditions, as the speech signal can be degraded when excessive reflections are present in the learning environment. When considering the literacy development of children, the cognitive effort demanded under noisy conditions is proved, by a teacher that is then received by a pupil. This work deals with the effects of classroom acoustics on the reading scores of about 200 first-graders who belonged to 12 classes from 7 primary schools located in Torino (Italy). In-field one-to-one measurements on the reading abilities of pupils (e.g. words and text reading speed) were done by trained experimenters in the last two months of the school year. Acoustic measurements were performed in all the classrooms, and data were correlated

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Parole chiave: good classroom acoustics

Abstract: This work answer the question on what are the optimal acoustic conditions for speech communication and learning in classroom. In order to do this, a simple protocol to carry out measurements to characterize classroom acoustics is provided and the thresholds of the main parameters to guarantee an adequate sound environment for educational facilities have been identified. In 29 first-grade classrooms, background noise level in silence and during group activities, reverberation time also, in unoccupied conditions, speech clarity, ratio of useful to detrimental energy and speech signal were acquired along the main axis. Correlation analyses allowed for the selection of reverberation time or speech clarity in the central position as the essential parameters to evaluate the acoustical quality of classrooms, which were clustered either in bad or good acoustic group based on the cluster analysis. The thresholds for the reverberation time and speech clarity in the central position are 0.8

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Parole chiave: classroom acoustics

Abstract: Purpose: In this research project, we address the question of how and whether the classroom acoustic environment influences the phonological awareness and/or the reading skills in early childhood. The phonological awareness, a meta-cognitive skill essential for the processing of sounds (phoneme) in language, represents a good predictor of success in learning to read. This ability is acquired progressively until at least the early years of primary school. A key process to achieve, an appropriate phonology level stems by the possibility of correctly hearing the phonemes. Method: This study involved around 100 pupils, aged 7, from the five II-grade classrooms of three primary schools in Torino (Italy). Pupils involved attended lessons in classrooms with different acoustic conditions, in terms of reverberation time and speech intelligibility, which is defined as the proportion of speech that is understood by a listener. Results and Conclusion: The work conducted so far allowed

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Parole chiave: classroom acoustics

Abstract: This study explored the effects of wearing face masks on classroom communication. We evaluated the effects of three different types of face masks (fabric, surgical and N95 masks) on speech intelligibility presented to college students in auralized classrooms. To simulate realistic classroom conditions, speech stimuli were presented in the presence of speech-shaped noise with a signal-to-noise ratio of + 3 dB under two different reverberation times (0.4 s and 3.1 s). The use fabric masks

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Parole chiave: classroom

Abstract: The design of acoustic comfort in classrooms is a challenging issue. It became a crucial aspect during the Covid-19 pandemic regarding class life organization, as for the latter large spaces for teaching were required in order to guarantee the minimum distance between the occupants to limit the spread of Covid-19, and it was important to ensure their acoustics functionality for the performance of lessons. To this aim, this investigation is to provide a guide (for school principals, , administrators, safety managers, architects and engineers, acousticians) where easily implementable solutions for different types of school buildings are detailed in various case studies and they are an example in case of environments similar in shape and volume. In particular the focus is put on the transformation of school spaces created for different purposes than normal classrooms (e.g., corridors, atria, sports halls) into classrooms for teaching. Different layouts of the furniture and sound-absorbing

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Parole chiave: classrooms