@article {Pollack2007Flight,
	title = {Flight and hearing: ultrasound sensitivity differs between flight-capable and flight-incapable morphs of a wing-dimorphic cricket species},
	journal = {J Exp Biol},
	volume = {210},
	number = {18},
	year = {2007},
	month = {September},
	pages = {3160{\textendash}3164},
	abstract = {We studied frequency sensitivity of flight-capable and flight-incapable forms of the wing-dimorphic cricket Gryllus texensis, using both behavioral and neurophysiological measurements. Behavioral thresholds for negative phonotaxis in response to ultrasound stimuli are lower for long-winged (i.e. flight-capable) crickets than for short-winged (flight-incapable) individuals, whereas thresholds for positive phonotaxis in response to a calling-song model do not differ. Similarly, thresholds of the identified interneurons ON1 and AN2 differ between flight morphs for high sound frequencies but not for the frequency of calling song. Our results show that sensitivity to ultrasound is closely linked to flight ability, and thus to the risk of predation from aerially hawking bats. We suggest that sensitivity to ultrasound is one of a suite of flight-associated characteristics, the development of which may be under common hormonal regulation. 10.1242/jeb.008136},
	keywords = {bioacoustics, crickets, dimporphism, escape, flight, hearing, orthoptera},
	doi = {10.1242/jeb.008136},
	url = {http://dx.doi.org/10.1242/jeb.008136},
	author = {Pollack, Gerald S. and Martins, Ruben}
}
@article {Jang2007Temperature,
	title = {Temperature Effects on the Temporal Properties of Calling Songs in the Crickets Gryllus fultoni and G. vernalis: Implications for Reproductive Isolation in Sympatric Populations},
	journal = {Journal of Insect Behavior},
	volume = {20},
	number = {1},
	year = {2007},
	month = {January},
	pages = {33{\textendash}52},
	publisher = {Springer},
	abstract = {Two closely related wood-cricket species, Gryllus fultoni (Orthoptera: Gryllidae) and G. vernalis, produce similar calling songs, consisting of 3-pulse chirps. Analysis of field and laboratory recordings of calling songs showed that, after correction to a common temperature, there was a divergence in chirp and pulse rates between far allopatric populations of G. fultoni and populations sympatric with G. vernalis. To determine whether the divergence in calling songs potentially provides reproductive isolation between G. fultoni and G. vernalis throughout the temperature range over which these insects sing, we recorded calling songs of lab-reared G. fultoni and G. vernalis populations between 18 and 28{\textdegree}C. Mean chirp rate significantly differed between sympatric and far allopatric G. fultoni populations as well as between sympatric G. fultoni and G. vernalis populations. Although there was a significant difference in mean pulse rate between sympatric G. fultoni and G. vernalis populations, pulse rate did not differ between sympatric and far allopatric G. fultoni populations in the laboratory study. Considering the magnitudes of differences in calling song characters discriminated by females of G. fultoni and the mean differences and the variability in calling song characters between the two species, the joint difference in chirp and pulse rates may be adequate for species discrimination over most of the range at which these crickets breed.},
	keywords = {bioacoustics, crickets, song, temperature},
	issn = {0892-7553},
	doi = {10.1007/s10905-006-9061-0},
	url = {http://dx.doi.org/10.1007/s10905-006-9061-0},
	author = {Jang, Yikweon and Gerhardt, H.}
}
@article {Jang2007Reproductive,
	title = {Reproductive Isolation in the Wood Cricket Gryllus vernalis (Orthoptera: Gryllidae)},
	journal = {Ethology},
	volume = {113},
	number = {1},
	year = {2007},
	month = {January},
	pages = {87{\textendash}96},
	publisher = {Blackwell Publishing},
	keywords = {bioacoustics, character-displacement, crickets, evolution, orthoptera, rcd, song},
	issn = {0179-1613},
	doi = {10.1111/j.1439-0310.2006.01304.x},
	url = {http://dx.doi.org/10.1111/j.1439-0310.2006.01304.x},
	author = {Jang, Yikweon and Bockhorst, Amanda and Carl Gerhardt, Howard}
}
@article {Vedenina2007Unusual,
	title = {The unusual inheritance pattern of the courtship songs in closely related grasshopper species of the Chorthippus albomarginatus-group (Orthoptera: Gomphocerinae).},
	journal = {Journal of evolutionary biology},
	volume = {20},
	number = {1},
	year = {2007},
	month = {January},
	pages = {260{\textendash}277},
	abstract = {Sibling species of the Chorthippus albomarginatus-group are exceptional among all European grasshopper species because they have an extremely elaborate courtship behaviour. Here, we present a genetic analysis of the courtship song differences between two closely related grasshopper species Ch. albomarginatus and Ch. oschei. Measurements of seven courtship song characters and one parameter of courtship visual display were compared among parentals, F(1) and F(2) hybrids, and backcrosses. Variation in one morphological character, the number of stridulatory pegs, was studied as well. The distributions of song phenotypes were more consistent with a type-III genetic architecture, which involves complementary or duplicate pairs of loci. We suggest that this type of architecture may provide the novel elements of the hybrid songs, even more complex than the parental ones, which may offer a new starting point for sexual selection. One parameter of the visual display appeared to be controlled by a single locus, but differences in other characters of visual display could be explained by a more complex inheritance pattern. Inheritance of the peg number differences was consistent with a simple polygenic additive model. Sex linkage and/or maternal effects were not detected for any trait. We found a disproportionate influence of the Ch. albomarginatus parent on most hybrid song characteristics and the visual display, and this may support a previously suggested idea that Ch. albomarginatus is an ancestral form and Ch. oschei is a derived species.},
	keywords = {acrididae, bioacoustics, grasshoppers, orthoptera, song},
	issn = {1010-061X},
	doi = {10.1111/j.1420-9101.2006.01204.x},
	url = {http://dx.doi.org/10.1111/j.1420-9101.2006.01204.x},
	author = {Vedenina, V. Yu and Panyutin, A. K. and Von Helversen, O.}
}
@article {Selin2007Wavelets,
	title = {Wavelets in Recognition of Bird Sounds},
	journal = {EURASIP Journal on Advances in Signal Processing},
	volume = {2007},
	year = {2007},
	pages = {1{\textendash}10},
	keywords = {asr, bioacoustics, birds, songs},
	issn = {1687-6172},
	doi = {10.1155/2007/51806},
	url = {http://dx.doi.org/10.1155/2007/51806},
	author = {Selin, Arja and Turunen, Jari and Tanttu, Juha T.}
}
@article {Benzeghiba2007Automatic,
	title = {Automatic speech recognition and speech variability: A review},
	journal = {Speech Communication},
	volume = {49},
	number = {10-11},
	year = {2007},
	month = {October},
	pages = {763{\textendash}786},
	abstract = {Major progress is being recorded regularly on both the technology and exploitation of automatic speech recognition (ASR) and spoken language systems. However, there are still technological barriers to flexible solutions and user satisfaction under some circumstances. This is related to several factors, such as the sensitivity to the environment (background noise), or the weak representation of grammatical and semantic knowledge. Current research is also emphasizing deficiencies in dealing with variation naturally present in speech. For instance, the lack of robustness to foreign accents precludes the use by specific populations. Also, some applications, like directory assistance, particularly stress the core recognition technology due to the very high active vocabulary (application perplexity). There are actually many factors affecting the speech realization: regional, sociolinguistic, or related to the environment or the speaker herself. These create a wide range of variations that may not be modeled correctly (speaker, gender, speaking rate, vocal effort, regional accent, speaking style, non-stationarity, etc.), especially when resources for system training are scarce. This paper outlines current advances related to these topics.},
	keywords = {asr, bioacoustics, review, speechrecognition},
	issn = {01676393},
	doi = {10.1016/j.specom.2007.02.006},
	url = {http://dx.doi.org/10.1016/j.specom.2007.02.006},
	author = {Benzeghiba, M. and Demori, R. and Deroo, O. and Dupont, S. and Erbes, T. and Jouvet, D. and Fissore, L. and Laface, P. and Mertins, A. and Ris, C.}
}
@article {Boelman2007MULTITROPHIC,
	title = {MULTI-TROPHIC INVASION RESISTANCE IN HAWAII: BIOACOUSTICS, FIELD SURVEYS, AND AIRBORNE REMOTE SENSING},
	journal = {Ecological Applications},
	volume = {17},
	number = {8},
	year = {2007},
	month = {December},
	pages = {2137{\textendash}2144},
	keywords = {bioacoustics, birds, invasive-species, rs},
	issn = {1051-0761},
	doi = {10.1890/07-0004.1},
	url = {http://dx.doi.org/10.1890/07-0004.1},
	author = {Boelman, Natalie T. and Asner, Gregory P. and Hart, Patrick J. and Martin, Roberta E.}
}
