Aural analysis of the harmonic structure of sonar echoes

Auteurs-es

  • G. Robert Arrabito DRDC Toronto, P.O. Box 2000, Toronto, Ont. M3M 3B9, Canada
  • Nancy Allen DRDC Atlantic, P.O. Box 1012, Dartmouth, NS B2Y 3Z7, Canada
  • Taresh D. Mistry DRDC Toronto, P.O. Box 2000, Toronto, Ont. M3M 3B9, Canada
  • Kyle Leming DRDC Toronto, P.O. Box 2000, Toronto, Ont. M3M 3B9, Canada

Mots-clés :

Acoustic wave transmission, Computer monitors, Computer music, Data acquisition, Geology, Harmonic analysis, Headphones, Natural frequencies, Personal computers, Stereophonic recordings, Aural analysis, Geological clutter, Harmonic structures, Sonar echoes

Résumé

The harmonic structure of sonar echoes was analyzed using aural cues for differentiating between two classes of signals. The return echoes of many types of solar systems from targets of interest are indistinguishable from non targets. The subjects were individually tested and on each trial a sound was dichoticly presented over the subject's headphones. The mean of the subjects median ratings of perceived timber for each sound in each block was calculated for both subject groups.

Fichiers supplémentaires

Publié-e

2004-09-01

Comment citer

1.
Arrabito GR, Allen N, Mistry TD, Leming K. Aural analysis of the harmonic structure of sonar echoes. Canadian Acoustics [Internet]. 1 sept. 2004 [cité 20 févr. 2025];32(3):200-1. Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1697

Numéro

Rubrique

Actes du congrès de la Semaine canadienne d'acoustique