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Journal articles on the topic 'Birdsongs'

Author: Grafiati

Published: 4 June 2021

Last updated: 30 July 2024

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1

Soeta, Yoshiharu, and Ayaka Ariki. "Subjective Salience of Birdsong and Insect Song with Equal Sound Pressure Level and Loudness." International Journal of Environmental Research and Public Health 17, no. 23 (November 28, 2020): 8858. http://dx.doi.org/10.3390/ijerph17238858.

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Birdsong is used to communicate the position of stairwells to visually impaired people in train stations in Japan. However, more than 40% of visually impaired people reported that such sounds were difficult to identify. Train companies seek to present the sounds at a sound pressure level that is loud enough to be detected, but not so loud as to be annoying. Therefore, salient birdsongs with relatively low sound pressure levels are required. In the current study, we examined the salience of different types of birdsong and insect song, and determined the dominant physical parameters related to s

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2

Morita, Takashi, Hiroki Koda, Kazuo Okanoya, and Ryosuke O. Tachibana. "Measuring context dependency in birdsong using artificial neural networks." PLOS Computational Biology 17, no. 12 (December 28, 2021): e1009707. http://dx.doi.org/10.1371/journal.pcbi.1009707.

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Context dependency is a key feature in sequential structures of human language, which requires reference between words far apart in the produced sequence. Assessing how long the past context has an effect on the current status provides crucial information to understand the mechanism for complex sequential behaviors. Birdsongs serve as a representative model for studying the context dependency in sequential signals produced by non-human animals, while previous reports were upper-bounded by methodological limitations. Here, we newly estimated the context dependency in birdsongs in a more scalabl

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3

Nwankwo, Mary, Qi Meng, Da Yang, and Fangfang Liu. "Effects of Forest on Birdsong and Human Acoustic Perception in Urban Parks: A Case Study in Nigeria." Forests 13, no. 7 (June 24, 2022): 994. http://dx.doi.org/10.3390/f13070994.

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The quality of the natural sound environment is important for the well-being of humans and for urban sustainability. Therefore, it is important to study how the soundscape of the natural environment affects humans with respect to the different densities of vegetation, and how this affects the frequency of singing events and the sound pressure levels of common birds that generate natural sounds in a commonly visited urban park in Abuja, Nigeria. This study involves the recording of birdsongs, the measurement of sound pressure levels, and a questionnaire evaluation of sound perception and the de

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4

Stevenson, Deborah. "Birdsongs (review)." Bulletin of the Center for Children's Books 60, no. 9 (2007): 366–67. http://dx.doi.org/10.1353/bcc.2007.0324.

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5

Suko, Yasushi, Kaoru Saito, Norimasa Takayama, Shin’ichi Warisawa, and Tetsuya Sakuma. "Effect of Faint Road Traffic Noise Mixed in Birdsong on the Perceived Restorativeness and Listeners’ Physiological Response: An Exploratory Study." International Journal of Environmental Research and Public Health 16, no. 24 (December 7, 2019): 4985. http://dx.doi.org/10.3390/ijerph16244985.

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Many studies have reported that natural sounds (e.g., birdsong) are more restorative than urban noise. These studies have used physiological and psychological indicators, such as the skin conductance level (SCL) and the Perceived Restorativeness Scale (PRS), to evaluate the restorative effect of natural sounds. However, the effect of faint background noise mixed with birdsong on the restorativeness of birdsong has not been described yet. In the current experiment, we examined whether traffic noise affects the perceived restorativeness and the physiological restorativeness of birdsong in a low-

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6

Nowicki, Stephen, and Peter Marler. "How Do Birds Sing?" Music Perception 5, no. 4 (1988): 391–426. http://dx.doi.org/10.2307/40285408.

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Hypotheses are reviewed about how the vocal apparatus of birds operates during singing, focusing especially on the means by which the tonal sounds so typical of birdsong are generated. Evidence for the widely held view that the "two voices" in the songbird syrinx act independently of one another, and independently of acoustic resonances of the vocal tract, is found to be incomplete. Results of several experiments, including effects of placing singing birds in helium air, indicate that coupling of the "two voices" can occur and that changes in vocal tract resonances modify the tonal quality of

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7

Mukherjee, Aryesh, Shreyas Mandre, and L. Mahadevan. "Controllable biomimetic birdsong." Journal of The Royal Society Interface 14, no. 133 (August 2017): 20170002. http://dx.doi.org/10.1098/rsif.2017.0002.

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Birdsong is the product of the controlled generation of sound embodied in a neuromotor system. From a biophysical perspective, a natural question is that of the difficulty of producing birdsong. To address this, we built a biomimetic syrinx consisting of a stretched simple rubber tube through which air is blown, subject to localized mechanical squeezing with a linear actuator. A large static tension on the tube and small dynamic variations in the localized squeezing allow us to control transitions between three states: a quiescent state, a periodic state and a solitary wave state. The static l

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8

Mukhopadhyay, Adrita. "The Cacophony of Songbirds: A Potpourri of Voices in the Birdsongs of Kazi Nazrul Islam’s Lyrics and English Romantic Poetry." New Literaria 03, no. 02 (2022): 01–07. http://dx.doi.org/10.48189/nl.2022.v03i2.001.

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In spite of its conventional reception as an aesthetic catalyst in the romanticization of beauty, the idea of songbirds in verses is occasionally fed with alternate and wider perspectives - in my paper, I have tried to elucidate this, by exploring the multifaceted voices of songbirds found in the lyrics of Kazi Nazrul Islam and in the poems of English Romantic poets. The songs that seem invaluable to the commoners are the food for the bards. The birdsongs add meaning to the multiple atypical abstractions that are harbored in the creative minds. This paper intends to explore the interpretations

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9

Zhu, Xun, Ming Gao, Wei Zhao, and Tianji Ge. "Does the Presence of Birdsongs Improve Perceived Levels of Mental Restoration from Park Use? Experiments on Parkways of Harbin Sun Island in China." International Journal of Environmental Research and Public Health 17, no. 7 (March 27, 2020): 2271. http://dx.doi.org/10.3390/ijerph17072271.

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Green spaces in cities and urban parks serve as central areas for mental restoration and relieving pressure, and attention to soundscapes for their mental health benefits has become more prevalent. Birdsongs are perceived to enhance the restorative benefits of urban parks. This study examines Harbin Sun Island Park, the main bird habitat in the city of Harbin with numerous types of landscapes. We used space syntax to select the appropriate path space as a carrier and the pixel grid method to quantify path space shapes. A correlation analysis of field data was also used to explore the perceived

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10

Franěk, Marek, Lukáš Režný, Denis Šefara, and Jiří Cabal. "Effect of birdsongs and traffic noise on pedestrian walking speed during different seasons." PeerJ 7 (October 1, 2019): e7711. http://dx.doi.org/10.7717/peerj.7711.

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Many studies have explored the effects of auditory and visual stimuli on the perception of an environment. However, there is a lack of investigations examining direct behavioral responses to noise in specific environments. In this study, a behavioral variable, walking speed, was analyzed, as a response to the sounds and visual features of a specific environment. The study examined the effects of birdsongs compared to traffic noise on walking speed in a real outdoor urban environment. It was supposed that the interaction of audition and vision in the perception of an environment may also be sha

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11

Chartrand, Jean-Pierre, Sarah Filion-Bilodeau, and Pascal Belin. "Brain response to birdsongs in bird experts." NeuroReport 18, no. 4 (March 2007): 335–40. http://dx.doi.org/10.1097/wnr.0b013e328013cea9.

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12

Bolles, Edmund Blair. "Speech and Birdsongs Reflect Convergent Evolutionary History." BioScience 61, no. 3 (March 2011): 248. http://dx.doi.org/10.1525/bio.2011.61.3.15.

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13

Lazarus, Micha. "Birdsongs and Sonnets: Acoustic Imitation in Renaissance Lyric." Huntington Library Quarterly 84, no. 4 (December 2021): 681–715. http://dx.doi.org/10.1353/hlq.2021.0041.

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14

Große Ruse, Mareile, Dennis Hasselquist, Bengt Hansson, Maja Tarka, and Maria Sandsten. "Automated analysis of song structure in complex birdsongs." Animal Behaviour 112 (February 2016): 39–51. http://dx.doi.org/10.1016/j.anbehav.2015.11.013.

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15

Andreescu, Florentina C. "Chora and the resurgence of the sensuous." Short Film Studies 6, no. 1 (April 1, 2016): 75–78. http://dx.doi.org/10.1386/sfs.6.1.75_1.

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This article reads Kid as Little Man’s connection to chora, the primordial maternal space where language is experienced as a phenomenon akin to birdsongs and animals’ howls, through which Little Man is inscribed into the world’s wild rhythms of movement and sound, and explores how this connection distorts the cinematic space.

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16

Fornari, José. "An evolutionary algorithm to create artificial soundscapes of birdsongs." International Journal of Arts and Technology 9, no. 1 (2016): 39. http://dx.doi.org/10.1504/ijart.2016.075409.

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17

Lu, Jing, Yan Zhang, Danjv Lv, Shanshan Xie, Yixing Fu, Dan Lv, Youjie Zhao, and Zhun Li. "Improved Broad Learning System for Birdsong Recognition." Applied Sciences 13, no. 19 (October 6, 2023): 11009. http://dx.doi.org/10.3390/app131911009.

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Birds play a vital and indispensable role in biodiversity and environmental conservation. Protecting bird diversity is crucial for maintaining the balance of nature, promoting ecosystem health, and ensuring sustainable development. The Broad Learning System (BLS) exhibits an excellent ability to extract highly discriminative features from raw inputs and construct complex feature representations by combining feature nodes and enhancement nodes, thereby enabling effective recognition and classification of various birdsongs. However, within the BLS, the selection of feature nodes and enhancement

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18

Isomura, Takuya, Thomas Parr, and Karl Friston. "Bayesian Filtering with Multiple Internal Models: Toward a Theory of Social Intelligence." Neural Computation 31, no. 12 (December 2019): 2390–431. http://dx.doi.org/10.1162/neco_a_01239.

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To exhibit social intelligence, animals have to recognize whom they are communicating with. One way to make this inference is to select among internal generative models of each conspecific who may be encountered. However, these models also have to be learned via some form of Bayesian belief updating. This induces an interesting problem: When receiving sensory input generated by a particular conspecific, how does an animal know which internal model to update? We consider a theoretical and neurobiologically plausible solution that enables inference and learning of the processes that generate sen

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19

Yildiz, Izzet B., and Stefan J. Kiebel. "A Hierarchical Neuronal Model for Generation and Online Recognition of Birdsongs." PLoS Computational Biology 7, no. 12 (December 15, 2011): e1002303. http://dx.doi.org/10.1371/journal.pcbi.1002303.

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20

Freudenstein, John V., Kurt M. Pickett, Mark P. Simmons, and John W. Wenzel. "From basepairs to birdsongs: phylogenetic data in the age of genomics." Cladistics 19, no. 4 (August 2003): 333–47. http://dx.doi.org/10.1111/j.1096-0031.2003.tb00377.x.

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21

Molina Martínez, Yair Guillermo. "PREDATION OF PALE-BREASTED THRUSH EGGS BY THE ARIEL TOUCAN IN BRAZIL: FAILURE OF THE ANTI-PREDATORY STRATEGY." Acta Biológica Colombiana 26, no. 2 (January 26, 2021): 278–82. http://dx.doi.org/10.15446/abc.v26n2.86700.

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The Channel-billed Toucan (Ramphastos vitellinus ariel) is an omnivorous bird that eventually is nest-robbers. Several birdsongs display anti-predatory strategies such as attacks and mobbing calls to face this kind of predators. This note reports a predatory event of one Channel-billed Toucan upon eggs of Pale-breasted Thrush (Turdus leucomelas), and describe the anti-predatory behavior, principally alert and mobbing calls of the thrush. Even though the Pale-breasted Thrush displayed the anti-predatory behaviors to harass the toucan, the egg predation was not avoided. Although the predation up

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22

Tan, Johann Kay Ann, Siu-Kit Lau, and Yoshimi Hasegawa. "The effects of aural and visual factors on appropriateness ratings of residential spaces in an urban city." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 1 (August 1, 2021): 5314–26. http://dx.doi.org/10.3397/in-2021-3048.

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This study investigates the aural and visual factors that influence appropriateness perception in soundscape evaluations in residential spaces, where people may spend most of their time in. Appropriateness in soundscape is derived from the expectation of sound sources in a specific environment, place or function heard by a listener. Appropriateness of soundscapes in 30 locations in an urban residential environment is investigated with varying landscape, visual and aural elements through a questionnaire. Participants experienced the soundscape in-situ and were asked to evaluate the appropriaten

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23

Shimokura, Ryota, and Yoshiharu Soeta. "Estimation of reaction time for birdsongs and effects of background noise and listener’s age." Applied Acoustics 194 (June 2022): 108785. http://dx.doi.org/10.1016/j.apacoust.2022.108785.

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24

Nowicki, Stephen, and Jared Strote. "Responses To Songs With Altered Tonal Quality By Adult Song Sparrows (Melospiza Melodia)." Behaviour 133, no. 3-4 (1996): 161–72. http://dx.doi.org/10.1163/156853996x00099.

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AbstractPure-tone sounds are a common and distinctive feature of many birdsongs. We used field playback experiments to test whether this tonal quality is perceptually salient to adult male song sparrows in the context of song recognition, by comparing responses to playback of normal songs with responses elicited by songs that had harmonics added. This species was chosen for study based on the recent finding that young song sparrows do not show a preference for songs with pure tones over songs with harmonics when choosing model songs to copy during their sensitive phase for learning. We found a

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25

Nowicki, Stephen. "Vocal tract resonances in oscine bird sound production: evidence from birdsongs in a helium atmosphere." Nature 325, no. 6099 (January 1987): 53–55. http://dx.doi.org/10.1038/325053a0.

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26

Soeta, Yoshiharu, and Ayaka Ariki. "Subjective salience and the effects of familiarity with birdsongs and insect songs in noise environments." Applied Acoustics 213 (October 2023): 109666. http://dx.doi.org/10.1016/j.apacoust.2023.109666.

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27

Helekar, Santosh A., Sarah Marsh, Nagalapura S. Viswanath, and David B. Rosenfield. "Acoustic pattern variations in the female-directed birdsongs of a colony of laboratory-bred zebra finches." Behavioural Processes 49, no. 2 (April 2000): 99–110. http://dx.doi.org/10.1016/s0376-6357(00)00081-4.

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28

Reichard, Dustin G., Jonathan W. Atwell, Meelyn M. Pandit, Gonçalo C. Cardoso, Trevor D. Price, and Ellen D. Ketterson. "Urban birdsongs: higher minimum song frequency of an urban colonist persists in a common garden experiment." Animal Behaviour 170 (December 2020): 33–41. http://dx.doi.org/10.1016/j.anbehav.2020.10.007.

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29

Luther, David A., and Elizabeth P. Derryberry. "Birdsongs keep pace with city life: changes in song over time in an urban songbird affects communication." Animal Behaviour 83, no. 4 (April 2012): 1059–66. http://dx.doi.org/10.1016/j.anbehav.2012.01.034.

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30

Friston, Karl, and Stefan Kiebel. "Predictive coding under the free-energy principle." Philosophical Transactions of the Royal Society B: Biological Sciences 364, no. 1521 (May 12, 2009): 1211–21. http://dx.doi.org/10.1098/rstb.2008.0300.

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This paper considers prediction and perceptual categorization as an inference problem that is solved by the brain. We assume that the brain models the world as a hierarchy or cascade of dynamical systems that encode causal structure in the sensorium. Perception is equated with the optimization or inversion of these internal models, to explain sensory data. Given a model of how sensory data are generated, we can invoke a generic approach to model inversion, based on a free energy bound on the model's evidence. The ensuing free-energy formulation furnishes equations that prescribe the process of

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31

Lee, Songmi, Chunwon Eom, Jeonghun Kim, Suhong Kim, Eunsung Song, Dokyeong Kim, and Jongkwan Ryu. "Sound masking of residential noise by a birdsong depending on spectral and temporal characteristics." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 265, no. 2 (February 1, 2023): 5709–15. http://dx.doi.org/10.3397/in_2022_0841.

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This study aimed to investigate the sound masking according to spectral and temporal characteristics of residential noise and natural sound through auditory experiment. Since there are various types of residential noise sources (maskee) and natural sounds (masker), stimuli to be used for experiment were selected by dividing the sound source groups through the k-means cluster method. The stimuli consisted of a total of 7 maskee including a brown noise, and 7 masker (birdsongs and water sounds). In the auditory experiment, the preference of masker and the annoyance and unpleasantness of single m

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32

Sanders, Diane. "Jackson Hole Wildlife Park: An Experiment to Bridge Tourism and Conservation." UW National Parks Service Research Station Annual Reports 36 (January 1, 2013): 57–73. http://dx.doi.org/10.13001/uwnpsrc.2013.3985.

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From a vantage point on a rise above the Snake River, the valley below is shrouded in darkness. A faint glow on the eastern horizon heralds the dawn. The only sound comes from the river as water gurgles over rocks and other impediments. As the sky grows brighter, the shadows in the valley begin to take form, revealing numerous small streams that braid through dense thickets of willows and other shrubbery before returning to the main river channel. Small dark shapes dart among the trees and shrubs, filling the air with a variety of birdsongs. As the rising sun gradually illuminates the valley a

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FRISTON, KARL, and STEFAN KIEBEL. "ATTRACTORS IN SONG." New Mathematics and Natural Computation 05, no. 01 (March 2009): 83–114. http://dx.doi.org/10.1142/s1793005709001209.

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This paper summarizes our recent attempts to integrate action and perception within a single optimization framework. We start with a statistical formulation of Helmholtz's ideas about neural energy to furnish a model of perceptual inference and learning that can explain a remarkable range of neurobiological facts. Using constructs from statistical physics it can be shown that the problems of inferring the causes of our sensory inputs and learning regularities in the sensorium can be resolved using exactly the same principles. Furthermore, inference and learning can proceed in a biologically pl

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34

Wang, Yaping, Xin Deng, Yanqiu Cui, and Xin Zhao. "A Study of Soundscape Restoration in Office-Type Pocket Parks." Buildings 14, no. 4 (April 9, 2024): 1047. http://dx.doi.org/10.3390/buildings14041047.

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High-density building environments and fast-paced working conditions in cities pose health challenges for office workers. Office-type pocket parks assume the social responsibility of providing restorative environments for office workers, and the soundscape is an essential element of such environments. However, there is limited research on soundscape restoration in office-type pocket parks. Therefore, this study focused on soundscape restoration in office-type pocket parks. First, on-site investigations explored the spatial characteristics of 55 office-type pocket parks while analysing the soun

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35

Cui, Peng, Tingting Li, Zhengwei Xia, and Chunyu Dai. "Research on the Effects of Soundscapes on Human Psychological Health in an Old Community of a Cold Region." International Journal of Environmental Research and Public Health 19, no. 12 (June 12, 2022): 7212. http://dx.doi.org/10.3390/ijerph19127212.

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The acoustic environment of residential areas is critical to the health of the residents. To reveal the impact of the acoustic environment on people’s mental health and create a satisfactory acoustic setting, this study took a typical old residential area in Harbin as an example, conducted a field measurement and questionnaire survey on it, and took typical acoustic sources as the research object for human body index measurement. The relationship between heart rate (HR), skin conductivity level (SCL), physiological indicators, semantic differences (SD), and psychological indicators was studied

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36

Couchoux, Charline, and Torben Dabelsteen. "Acoustic cues to individual identity in the rattle calls of common blackbirds: a potential for individual recognition through multi-syllabic vocalisations emitted in both territorial and alarm contexts." Behaviour 152, no. 1 (November 12, 2014): 57–82. http://dx.doi.org/10.1163/1568539x-00003232.

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Vocal signals convey many types of information, and individually recognizable cues can benefit signallers and receivers, as shown in birdsongs that are used in the contexts of mating and territoriality. Bird calls are typically less complex than songs and thus are likely to convey less information. However, the rattle calls of some species serve a dual function, being emitted as an anti-predator and deterrence signal, and thus may encode information on individual identity. We investigated these questions in the common blackbird (Turdus merula), which emits complex rattle calls in both territor

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37

Narayan, Rajiv, Ayla Ergün, and Kamal Sen. "Delayed Inhibition in Cortical Receptive Fields and the Discrimination of Complex Stimuli." Journal of Neurophysiology 94, no. 4 (October 2005): 2970–75. http://dx.doi.org/10.1152/jn.00144.2005.

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Although auditory cortex is thought to play an important role in processing complex natural sounds such as speech and animal vocalizations, the specific functional roles of cortical receptive fields (RFs) remain unclear. Here, we study the relationship between a behaviorally important function: the discrimination of natural sounds and the structure of cortical RFs. We examine this problem in the model system of songbirds, using a computational approach. First, we constructed model neurons based on the spectral temporal RF (STRF), a widely used description of auditory cortical RFs. We focused o

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38

Verzijden, Machteld N., Eric Etman, Caroline van Heijningen, Marianne van der Linden, and Carel ten Cate. "Song discrimination learning in zebra finches induces highly divergent responses to novel songs." Proceedings of the Royal Society B: Biological Sciences 274, no. 1607 (November 7, 2006): 295–301. http://dx.doi.org/10.1098/rspb.2006.3728.

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Perceptual biases can shape the evolution of signal form. Understanding the origin and direction of such biases is therefore crucial for understanding signal evolution. Many animals learn about species-specific signals. Discrimination learning using simple stimuli varying in one dimension (e.g. amplitude, wavelength) can result in perceptual biases with preferences for specific novel stimuli, depending on the stimulus dimensions. We examine how this translates to discrimination learning involving complex communication signals; birdsongs. Zebra finches ( Taeniopygia guttata ) were trained to di

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39

Lee, Mi-suk. "Women’s Literature in the Japanese Heian Period and Male-Female Relationship Dynamics Represented in Scenes from Everyday Life -Focusing on vehicles and birdsongs." Society of Korean Literary Therapy 44 (July 30, 2017): 241–77. http://dx.doi.org/10.20907/kslt.2017.44.241.

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40

Paolillo, John C. "ASYMMETRIES IN UNIVERSAL GRAMMAR The Role of Method and Statistics." Studies in Second Language Acquisition 22, no. 2 (June 2000): 209–28. http://dx.doi.org/10.1017/s0272263100002035.

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Felix (1988) claimed to demonstrate that UG-based knowledge of grammaticality causes nonnative speakers (NNSs) to have more accurate grammaticality judgments on sentences that are ungrammatical according to UG than on those that are grammatical. Birdsong (1994) criticized the methodology employed, noting that it ignores “response bias” (a propensity to judge sentences as ungrammatical) as a potential explanation. Felix and Zobl (1994) dismissed this criticism as merely methodological. In this paper, Birdsong's criticism is upheld by considering a statistical model of the data. At the same time

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Lau, Chi-Chuen, Francis Kuk, Denise Keenan, and Jennifer Schumacher. "Amplification for Listeners with a Moderately Severe High-Frequency Hearing Loss." Journal of the American Academy of Audiology 25, no. 06 (June 2014): 562–75. http://dx.doi.org/10.3766/jaaa.25.6.6.

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Background: Some evidence exists to support the use of an extended bandwidth (EBW) for those with a relatively mild to moderate degree of hearing loss. The use of frequency lowering is suggested for those with a severe/profound degree of hearing loss. The amplification option for those with a moderately severe hearing loss in the high frequencies is less clear. This study compared three amplification options for listeners with a moderately severe hearing loss in the high frequencies. Purpose: The efficacy of three amplification options—limited bandwidth to 4000 Hz, EBW, and frequency transposi

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42

DiPietro, Domenic John, and Maria Gabriela Bidart. "Nature and City Sounds Influence Physiological and Psychological Markers in College Students." OBM Integrative and Complementary Medicine 08, no. 03 (September 28, 2023): 1–17. http://dx.doi.org/10.21926/obm.icm.2303039.

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Worldwide, human population growth has led to a higher demand for urbanization. While this development is in accordance with our gregarious lifestyles, our availability and contact with nature has consequentially been minimized. The goal of this study was to evaluate whether sounds from nature versus urban environments affect vital signs (i.e., heart rate and respiration rate) and mood states of female college students. Emotional states were assessed using the Positive and Negative Affect Schedule (PANAS) questionnaire. While nature sounds included a mixture of birdsongs and water sounds, urba

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43

Ball, Gregory F., and Stewart H. Hulse. "Birdsong." American Psychologist 53, no. 1 (1998): 37–58. http://dx.doi.org/10.1037/0003-066x.53.1.37.

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44

GOODWIN, DONALD W. "Birdsong." American Journal of Psychiatry 153, no. 12 (December 1996): 1640. http://dx.doi.org/10.1176/ajp.153.12.1640.

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Soeta, Yoshiharu, and Hiroko Kagawa. "Subjective Preferences for Birdsong and Insect Song in Equal Sound Pressure Level." Applied Sciences 10, no. 3 (January 25, 2020): 849. http://dx.doi.org/10.3390/app10030849.

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Birdsong is used as a sound signal for visually impaired people in train stations in Japan. However, such sound signals were reportedly difficult to be localized by over 40% of visually impaired people. More than 40% of visually impaired people reported that such sound signals were difficult to identify. The sound pressure level of birdsong is typically low because higher levels of birdsong can cause annoyance to users or residents. Therefore, preferences for birdsong should be investigated. Importantly, birdsong and insect song have been shown to have a positive effect on soundscapes. However

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46

Nottebohm, Fernando. "Birdsong's clockwork." Nature Neuroscience 5, no. 10 (October 2002): 925–26. http://dx.doi.org/10.1038/nn1002-925.

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47

Beckers, Gabriël J. L., Johan J. Bolhuis, Kazuo Okanoya, and Robert C. Berwick. "Birdsong neurolinguistics." NeuroReport 23, no. 3 (February 2012): 139–45. http://dx.doi.org/10.1097/wnr.0b013e32834f1765.

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48

Guida, Michael. "Seeing birdsong." Senses and Society 14, no. 1 (January 2, 2019): 100–103. http://dx.doi.org/10.1080/17458927.2019.1569332.

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Langmore, Naomi E. "Female birdsong." Current Biology 30, no. 14 (July 2020): R789—R790. http://dx.doi.org/10.1016/j.cub.2020.05.042.

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Prasetiadi, Agi, and Julian Saputra. "Automatic Birdsong Splitting and Syllabic Analysis of Jalak Suren." Journal of Informatics Information System Software Engineering and Applications (INISTA) 5, no. 2 (July 10, 2023): 144–54. http://dx.doi.org/10.20895/inista.v5i2.1091.

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Abstract:

The study of birdsong has received relatively limited attention in the field of artificial intelligence, despite its long-standing intrigue and the question of whether birds possess a form of language. Previous research has provided evidence suggesting the presence of structurally organized words recognized by birds, such as the strong reactions observed in Japanese tits and Pied babblers when exposed to specific sequences of artificially played calls. Altering the speed of a sequence also influences the birds' responses, further supporting the existence of organized linguistic units in avian

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