The Development and Testing of Guidelines for Designing School Classrooms to Maximize Hearing Conditions and Provide for Effective Noise Control. Final Report [microform] / H. F. Kingsbury and F. M. Strumpf
- Bib ID:
- 5209774
- Format:
- Book and Microform
- Author:
- Kingsbury, H. F
- Online Version:
- https://eric.ed.gov/?id=ED040603
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- Description:
-
- [Washington, D.C.] : Distributed by ERIC Clearinghouse, 1969
- 91 p.
- Summary:
-
Speech intelligibility was tested in three classroom type spaces, one of 700 square feet, and two of 200 square feet, using student listeners and recorded test material. One of the latter two classrooms was fully carpeted. The test material used was Modified Rhyme Test (MRT) tapes, presented via tape reproducer and loudspeaker. Also investigated were the expected signal attenuation over distance in these classroom spaces and the effect of added noise on speech perception. Based on statistical analysis of the results of the tests, the following conclusions were drawn: the MRT tapes are a valuable research tool in determining speech intelligibility using live observers; there are no differences between the test lists; at the same level of presentation, there is no difference in speech intelligibility for female versus male speakers; and the signal attenuation in typical classroom spaces is a straight logarithmic function and approaches free field conditions in classrooms with large amounts of acoustical absorption on the floor and ceiling. From these results, a set of acoustic guidelines were drawn that can lead to significant improvement in speech perception in actual classrooms. (Author)
- Notes:
-
- Contract Number: OEG-0-8-080018-3739(010).
- Sponsoring Agency: Office of Education (DHEW), Washington, DC. Bureau of Research.
- May also be available online. Address as at 14/8/18: https://eric.ed.gov/
- Reproduction:
- Microfiche. [Washington D.C.]: ERIC Clearinghouse microfiches : positive.
- Subject:
- Other authors/contributors:
- Available From:
- ERIC
- Copyright:
-
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