Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
ListenPoint Evolution of Soundfield for Classrooms Dave Ellison – Ellison Northwest & Listen Technologies • National Diffusion Network – founded 1974 • National Diffusion Network – founded 1974 • First Federal program to identify new education concepts • 1978 – MARRS Project initiated under NDN • 1978 – MARRS Project initiated under NDN • Identified that approximately 30% in grades 3-6 have hearing loss – failing a 15 dB hearing screening • 1978 – MARRS Project initiated under NDN • Identified that approximately 30% in grades 3-6 have hearing loss – failing a 15 dB hearing screening • Study of students with mild or minimal hearing loss to evaluate soundfield as a means to keep them in the “mainstream” instead of Special Education programs • 1978 – MARRS Project initiated under NDN • Identified that approximately 30% in grades 3-6 have hearing loss – failing a 15 dB hearing screening • Study of students with mild or minimal hearing loss to evaluate soundfield as a means to keep them in the “mainstream” instead of Special Education programs • Divided into groups with and without amplification MARRS Project Findings: MARRS Project Findings: • Test scores improved 10% - 30% over unamplified rooms! MARRS Project Findings: • Test scores improved 10% - 30% over unamplified rooms! • Significant cost savings over special programs MARRS Project Findings: • Test scores improved 10% - 30% over unamplified rooms! • Significant cost savings over special programs • Eliminates the stigma for students for Special Ed 1982 – next MARRS study 1982 – next MARRS study • Found improved scores in spelling tests among 131 children 2nd and 3rd grade with and without hearing loss 1982 – next MARRS study • Found improved scores in spelling tests among 131 children 2nd and 3rd grade with and without hearing loss • First time a “negative” was identified – students with a minimal hearing loss were viewed by the teacher as impulsive, overactive and having a weak attention span 1983 – the “Tape Recorder Study” in kindergarten 1983 – the “Tape Recorder Study” in kindergarten • HiFi recorder placed on teachers desk playing word lists 1983 – the “Tape Recorder Study” in kindergarten • HiFi recorder placed on teachers desk playing word lists • 25 words played – recorder at 12 feet from students 1983 – the “Tape Recorder Study” in kindergarten • HiFi recorder placed on teachers desk playing word lists • 25 words played – recorder at 12 feet from students • Normal hearing kids: 91% accuracy in testing 1983 – the “Tape Recorder Study” in kindergarten • HiFi recorder placed on teachers desk playing word lists • 25 words played – recorder at 12 feet from students • Normal hearing kids: 91% accuracy in testing • Hearing loss kids: 81% accuracy in testing Recorder moved to CENTER of room…. Recorder moved to CENTER of room… • Normal hearing kids increased to 98% Recorder moved to CENTER of room… • Normal hearing kids increased to 98% • Hearing loss kids increased to 96%!! Recorder moved to CENTER of room… • Normal hearing kids increased to 98% • Hearing loss kids increased to 96%!! • When amplified, both groups tested at 98% 1986 – 40 classrooms in Midwest studied for Soundfield 1986 – 40 classrooms in Midwest studied for Soundfield • Across the board grades improved but… 1986 – 40 classrooms in Midwest studied for Soundfield • Across the board grades improved but… • This time teachers and administrators were examined 1986 – 40 classrooms in Midwest studied for Soundfield • Across the board grades improved but… • This time teachers and administrators were examined • 85-90% of teachers found the system beneficial 1986 – 40 classrooms in Midwest studied for Soundfield • Across the board grades improved but… • This time teachers and administrators were examined • 85-90% of teachers found the system beneficial • 90% of administrators found the system beneficial 1986 – 40 classrooms in Midwest studied for Soundfield • Across the board grades improved but… • This time teachers and administrators were examined • 85-90% of teachers found the system beneficial • 90% of administrators found the system beneficial • Why? Fewer teacher absences due to fatigue and laryngitis 1986 – 40 classrooms in Midwest studied for Soundfield • Across the board grades improved but… • This time teachers and administrators were examined • 85-90% of teachers found the system beneficial • 90% of administrators found the system beneficial • Why? Fewer teacher absences due to fatigue and laryngitis • Overall improved student test scores 1990 – 60 additional classrooms with soundfield studied 1990 – 60 additional classrooms with soundfield studied • 40% reduction in students sent to LD programs 1990 – 60 additional classrooms with soundfield studied • 40% reduction in students sent to LD programs • More detailed hearing screening found 43% of students had some level of hearing loss on any given day 1990 – 60 additional classrooms with soundfield studied • 40% reduction in students sent to LD programs • More detailed hearing screening found 43% of students had some level of hearing loss on any given day • 75% of primary-level LD students had a measurable hearing loss 1990 – 60 additional classrooms with soundfield studied • 40% reduction in students sent to LD programs • More detailed hearing screening found 43% of students had some level of hearing loss on any given day • 75% of primary-level LD students had a measurable hearing loss • Children with developmental disabilities in primary school made significantly fewer errors in word identification in soundfield 1990 – 60 additional classrooms with soundfield studied • 40% reduction in students sent to LD programs • More detailed hearing screening found 43% of students had some level of hearing loss on any given day • 75% of primary-level LD students had a measurable hearing loss • Children with developmental disabilities in primary school made significantly fewer errors in word identification in soundfield • Overall, children were observed to be more relaxed and responded more quickly in the amplified classroom environment 1993 – children in 12 classrooms were identified with ongoing hearing loss and chronic ear problems 1993 – children in 12 classrooms were identified with ongoing hearing loss and chronic ear problems • Teachers, unaware of the target students, completed Screening Instrument for Targeting Educational Risk in Secondary Student (SIFTER) forms for 6 rooms amplified and 6 rooms not amplified 1993 – children in 12 classrooms were identified with ongoing hearing loss and chronic ear problems • Teachers, unaware of the target students, completed Screening Instrument for Targeting Educational Risk in Secondary Student (SIFTER) forms for 6 rooms amplified and 6 rooms not amplified • SIFTER screening identified 30% of students with a hearing loss based solely on the SIFTER forms – further confirming results 1994 – ESL students studied in amplified vs non-amplified 1994 – ESL students studied in amplified vs non-amplified • ESL students experienced significant difficulty in non-amplified classrooms in understanding spoken English 1994 – ESL students studied in amplified vs non-amplified • ESL students experienced significant difficulty in non-amplified classrooms in understanding spoken English • Significant improvement in understanding spoken English when the students were placed in an amplified classroom 1994 – ESL students studied in amplified vs non-amplified • ESL students experienced significant difficulty in non-amplified classrooms in understanding spoken English • Significant improvement in understanding spoken English when the students were placed in an amplified classroom • MARRS project ended in 1995 when funding was cut off to NDN 2001 – No Child Left Behind Act – soundfield goes mainstream – picks up where MARRS left off 2001 – No Child Left Behind Act – soundfield goes mainstream – picks up where MARRS left off • Mass deployment of inexpensive but somewhat limited products flooded schools to realize the benefits of soundfield 2001 – No Child Left Behind Act – soundfield goes mainstream – picks up where MARRS left off • Mass deployment of inexpensive but somewhat limited products flooded schools to realize the benefits of soundfield • To learn more about Listenpoint please visit my booth today System Structure Assistive Listening Systems For the Hearing Impaired Americans With Disabilities Act Title III ADA Title III – Eliminates physical barriers to accessibility ADA Title III – Eliminates physical barriers to accessibility • Includes wheelchair ramps, handicapped parking stalls, door widths, counter heights – all barriers to accessibility ADA Title III – Eliminates physical barriers to accessibility • Includes wheelchair ramps, handicapped parking stalls, door widths, counter heights – all barriers to accessibility • Also addresses those with a hearing disability ADA Title III – Eliminates physical barriers to accessibility • Includes wheelchair ramps, handicapped parking stalls, door widths, counter heights – all barriers to accessibility • Also addresses those with a hearing disability • Those requiring ramps etc. - 1.5% of the general population ADA Title III – Eliminates physical barriers to accessibility • Includes wheelchair ramps, handicapped parking stalls, door widths, counter heights – all barriers to accessibility • Also addresses those with a hearing disability • Those requiring ramps etc. - 1.5% of the general population • Those requiring hearing assistance…. ADA Title III – Eliminates physical barriers to accessibility • Includes wheelchair ramps, handicapped parking stalls, door widths, counter heights – all barriers to accessibility • Also addresses those with a hearing disability • Those requiring ramps etc. - 1.5% of the general population • Those requiring hearing assistance…. • SEVENTEEN percent of the general population Effective September 2010 ALS is required…. Effective September 2010 ALS is required…. • In all rooms where an amplified system is integral to the function of the room, such as an amplified classroom soundfield Effective September 2010 ALS is required…. • In all rooms where an amplified system is integral to the function of the room, such as an amplified classroom soundfield • This will be part of the National Electrical Code this year Questions Thank you