Zobrazeno 1 - 10 of 44 pro vyhledávání: '"Richard H. Bolt"'
1
Speaker identification by speech spectrograms: some further observations
Autor: James M. Pickett, Edward E. David, Kenneth N. Stevens, Richard H. Bolt, Peter B. Denes, Franklin S. Cooper
Publikováno v: The Journal of the Acoustical Society of America. 54:531-534
This letter reviews recent research on speaker identification by means of comparisons of speech spectrograms by human observers. Various factors affecting the reliability of identification are discussed, particularly those that would be present in pr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::212768eb7713a85ea192f211ca0ebcd5
https://doi.org/10.1121/1.1913613
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3
The Absorption of Sound by Small Areas of Absorbing Material
Autor: Richard H. Bolt, John R. Pellam
Publikováno v: The Journal of the Acoustical Society of America. 12:24-30
An indirect experimental check is now obtained for the calculated “shape factor” for an absorbing strip of material in a reflecting wall, reported previously The effect of the strip on each of the component “partial waves” in the incident pla
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::79df6542bf4810dab9276dee5b543fb7
https://doi.org/10.1121/1.1916068
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4
Normal Modes of Vibration in Room Acoustics: Experimental Investigations in Nonrectangular Enclosures
Autor: Richard H. Bolt
Publikováno v: The Journal of the Acoustical Society of America. 11:184-197
Existing theories of room acoustics have long been recognized as incomplete. The inadequacy is particularly disturbing in the lack of agreement between absorption coefficients measured in different laboratories. Also, the acoustic behavior of small r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cb82fe5856701844dfa0989e9392355a
https://doi.org/10.1121/1.1916022
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5
Speaker Identification by Speech Spectrograms: A Scientists' View of its Reliability for Legal Purposes
Autor: Peter B. Denes, Richard H. Bolt, Edward E. David, Franklin S. Cooper, James M. Pickett, Kenneth N. Stevens
Publikováno v: The Journal of the Acoustical Society of America. 47:597-612
Can you reliably identify a person by examining the spectrographic patterns of his speech sounds? This is a scientific problem of social consequence because of the interest of the courts in this question. The Technical Committee on Speech Communicati
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56a9339a7ffdd4900aac2e1b97d2746c
https://doi.org/10.1121/1.1911935
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6
On the Design of Perforated Facings for Acoustic Materials
Autor: Richard H. Bolt
Publikováno v: The Journal of the Acoustical Society of America. 19:917-921
An approximate analysis of the acoustic behavior of perforated facings for absorptive materials is outlined and is reduced to a design chart. Only the mass reactances of the holes and of the facing material are included in the analysis. This simplifi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::feff1a99c74c0f0fae92ee26c7f16002
https://doi.org/10.1121/1.1916641
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8
Orchestra Enclosure and Canopy for the Tanglewood Music Shed
Autor: Leo L. Beranek, F. R. Johnson, Richard H. Bolt, Robert B. Newman, David L. Klepper
Publikováno v: The Journal of the Acoustical Society of America. 33:475-481
The Tanglewood Music Shed, a large fan‐shaped hall seating 6000 people indoors (approximately 6000 more can be accommodated outdoors on the lawn) was modified in 1959 to improve the acoustics. The acoustical qualities that were to be improved inclu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f7fece64fc4785c83bf610a6a961ddbd
https://doi.org/10.1121/1.1908695
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