Physics of directional hearing in the cricket Gryllus bimaculatus

by: A Michelsen, AV Popov, B Lewis

Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology, Vol. 175, No. 2. (1994), pp. 153-164.

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Abstract

In the cricket ear, sound acts on the external surface of the tympanum and also reaches the inner surface after travelling in at least three pathways in the tracheal system. We have determined the transmission gain of the three internal sound pathways; that is, the change of amplitude and phase angle from the entrances of the tracheal system to the inner surface of the tympanum. In addition, we have measured the diffraction and time of arrival of sound at the ear and at the three entrances at various directions of sound incidence. By combining these data we have calculated how the total driving force at the tympanum depends on the direction of sound. The results are in reasonable agreement with the directionality of the tympanal vibrations as determined with laser vibrometry.

@article{citeulike:1575289, abstract = {In the cricket ear, sound acts on the external surface of the tympanum and also reaches the inner surface after travelling in at least three pathways in the tracheal system. We have determined the transmission gain of the three internal sound pathways; that is, the change of amplitude and phase angle from the entrances of the tracheal system to the inner surface of the tympanum. In addition, we have measured the diffraction and time of arrival of sound at the ear and at the three entrances at various directions of sound incidence. By combining these data we have calculated how the total driving force at the tympanum depends on the direction of sound. The results are in reasonable agreement with the directionality of the tympanal vibrations as determined with laser vibrometry.}, author = {Michelsen, A. and Popov, A. V. and Lewis, B. }, citeulike-article-id = {1575289}, doi = {http://dx.doi.org/10.1007/BF00215111}, journal = {Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology}, number = {2}, pages = {153--164}, posted-at = {2007-08-19 16:31:59}, priority = {2}, title = {Physics of directional hearing in the cricket Gryllus bimaculatus}, url = {http://dx.doi.org/10.1007/BF00215111}, volume = {175}, year = {1994} }

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TY - JOUR ID - citeulike:1575289 L3 - citeulike-article-id:1575289 TI - Physics of directional hearing in the cricket Gryllus bimaculatus JF - Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology VL - 175 IS - 2 SP - 153 EP - 164 N2 - In the cricket ear, sound acts on the external surface of the tympanum and also reaches the inner surface after travelling in at least three pathways in the tracheal system. We have determined the transmission gain of the three internal sound pathways; that is, the change of amplitude and phase angle from the entrances of the tracheal system to the inner surface of the tympanum. In addition, we have measured the diffraction and time of arrival of sound at the ear and at the three entrances at various directions of sound incidence. By combining these data we have calculated how the total driving force at the tympanum depends on the direction of sound. The results are in reasonable agreement with the directionality of the tympanal vibrations as determined with laser vibrometry. AU - Michelsen, A AU - Popov, AV AU - Lewis, B PY - 1994//01/ UR - http://dx.doi.org/10.1007/BF00215111 ER -

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