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CEFPI Workshop Darwin 2009 Improving Hearing Health in Classrooms to boost Student Learning and Teacher Wellness.

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Presentation on theme: "CEFPI Workshop Darwin 2009 Improving Hearing Health in Classrooms to boost Student Learning and Teacher Wellness."— Presentation transcript:

1 CEFPI Workshop Darwin 2009 Improving Hearing Health in Classrooms to boost Student Learning and Teacher Wellness

2 Today we will discuss how:
Noise pollution limits each learner’s ability to comprehend The peril of distance impedes the peak performance of young brains Teacher wellness can be boosted Not all children are the same and they do not have all word files Hearing Health of classrooms can be instantly improved to benefit the educational ambitions of students, teachers, administrators and architects

3 Learning today involves ….
Aging and changing infrastructure More ESL students Larger classrooms More vulnerable learners Literacy and numeracy assessment/funding Teacher wellness All children do not have all words files installed yet – two thirds heard is two thirds learned

4 Barriers to Hearing Clearly
Internal School Noise Ambient Noise is measured in an empty classroom External Noise Classroom Noise Noise pollution reduces the ability of young brains to capture and process the sounds of teaching

5 Hyper Physics (@ C.R. Nave, 2005)
Inverse Square Law The Inverse Square Law: Voice level is reduced by 50% each time the distance from the sound source doubles. Typical Ambient Noise: 45 dB Hyper Physics C.R. Nave, 2005)

6 Directionality and distance
The further a learner is away from a sound source, the less they get. Visual technology can compound the problem

7 Other Issues Now Linked to Classroom Hearing Health
Teacher wellness: Fatigue Stress Illness Job Satisfaction 1996 2007 Teachers with voice related problems are on the rise 18% miss work each year due to voice issues 43% reduce instructional activity National estimated cost - $2.5B 2004 Source: Parker & McDade 2004

8 Not all Children are the same
Conductive hearing loss Fluctuating hearing loss Central auditory processing disorders Developmental delays Attention deficits Minimal hearing loss Language delays Culturally and linguistically diverse Articulation disorders English as a second language 6:1 boys

9 How can technology improve Hearing Health?

10 How It Works: Capture all the sounds of teaching in ‘huggable’ way

11 Delivery Consider technology which embraces
Wide dynamic range to ensure consonant sounds are delivered to maximize speech intelligibility Voice capture for all presenters Best distribution to compliment aesthetics and purposes

12 Spread of frequencies Alters frequency delivery to compliment the room

13 Speaker Technology NXT™ Technology Cone Speaker Technology
Entire panel projects sound in all directions VERY wide dispersion of sound Excellent reproduction of high vocal-range frequencies Cone Speaker Technology VERY directional Best for larger rooms with more complex demands Single NXT™ Speaker Cone Speakers

14 Delivery Different designs and purposes of learning spaces
Minimize adoption threats NXT FLAT-PANEL WALL SPEAKER MINI WALL SPEAKER CEILING SPEAKER MCQ Multimedia CEILING SPEAKER

15 What are teachers and school administrators saying about Classroom Sound Enhancement?
“It makes words sound clearer. For example I don’t have to ask “what was the word” again and again”. “It’s just great and clearer.  I just love it” Student, Sunshine Coast Grammar “Delivery of clearer and more easily understood instructions has enabled the students at the back of the room to become part of the class and they are less likely to be disengaged and distracted. The ‘quieter’ students now feel that they can have the opportunity to be involved.  The opportunity to quickly and efficiently use the huge range of resources on the internet (including sound resources) has positively impacted my classroom” Cronulla High “The gentle amplification of the teacher's voice enables boys to more clearly hear what is being taught or asked, meaning for the first time, some boys are able to be focussed right from the start of a lesson, rather than in the follow up phase. It is even more impressive when boys themselves realise the impact this has on their ability to learn” Scotch College Junior School, Melbourne. “We have just had a revolutionary new classroom sound system put in each classroom here as part of our redevelopment. The feedback from the boys has been incredibly positive and we have only had it in less than a week.” Newington Preparatory School

16 The teacher – student connection is at the heart of learning
Research Findings National Studies Action Research Formative Assessment Enhancing the delivery of the sounds of teacher is a key The teacher – student connection is at the heart of learning

17 Classroom Sound Enhancement Validated
Massie, R. (2003). The impact of sound field amplification in mainstream classrooms. This study supports the use of sound-field amplification to advance the acquisition of literacy and numeracy skills for children in mainstream classrooms, and not only for those children with identified hearing loss or with ESL backgrounds. Sound-field amplification may be viewed as a cost-effective part of the solution to improving classroom listening environments for all children.

18 12 Positive Changes in Student Functioning
1. Increased students’ attention spans 2. Decrease in need for behavior management 3. Decreased number of requests for repetition 4. 72 % decrease in teacher redirection 5. Decreased vocal strain and fatigue for teachers Independent Trost Study December 2002; Language, Speech and Hearing Services in Schools October 2000; Language Speech and Hearing in Services in Schools July 1990.

19 12 Positive Changes in Student Functioning
% increase in reading fluency % growth in test scores % decrease in teacher redirection 9. Improved academic achievement 10. Decreased Special Education referrals Independent Trost Study December 2002; Language, Speech and Hearing Services in Schools October 2000; Language Speech and Hearing in Services in Schools July 1990.

20 Summary

21 Summary Classrooms are polluted with noise
Not all learners are close to sound sources Not all children are the same There are many sounds of teaching we need to embrace and plan for Hearing is fundamental to learning Optimizing hearing health is simple, huggable and cost effective The results are proven and easy to understand

22 Questions? THANK YOU FOR YOUR TIME!
This concludes the Hear and Learn / Lightspeed CEFPI Darwin Workshop September 2009 Hear and Learn-Classroom Sound Enhancement LIGHTSPEED TECHNOLOGIES Ph Fax: David Downing-Director Thomas Roth-Dir. International Business Development


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