Articoli di riviste: "The Singing Detective"

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Gontarski, S. E. "The Singing Detective Plays Beckett (Again)". Journal of Beckett Studies 15, n. 1-2 (gennaio 2005): 242–47. http://dx.doi.org/10.3366/jobs.2006.15.1-2.21.

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Gras, Vernon. "Revisiting The Singing Detective decades later". Journal of Screenwriting 4, n. 3 (1 agosto 2013): 305–7. http://dx.doi.org/10.1386/josc.4.3.305_7.

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Aubry, Danielle. "The Singing Detective: Dédales agonistiques d'une rédemption". University of Toronto Quarterly 73, n. 3 (luglio 2004): 847–61. http://dx.doi.org/10.3138/utq.73.3.847.

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Ganz, Adam. "Interview with Jon Amiel, Director of The Singing Detective". Journal of Screenwriting 4, n. 3 (1 agosto 2013): 227–36. http://dx.doi.org/10.1386/josc.4.3.227_7.

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Cook, John R. "‘Message for Posterity’: The Singing Detective (1986) 25 years on". Journal of Screenwriting 4, n. 3 (1 agosto 2013): 259–72. http://dx.doi.org/10.1386/josc.4.3.259_1.

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Kenneth Pellow, C. "The Function of “The Bloody Songs” in Dennis Potter's The Singing Detective". Journal of Popular Culture 46, n. 5 (ottobre 2013): 1051–69. http://dx.doi.org/10.1111/jpcu.12066.

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Vickers, N. "Religious Irony and Freudian Rationalism in Dennis Potter's The Singing Detective (1986)". Literature and Theology 20, n. 4 (30 ottobre 2006): 411–23. http://dx.doi.org/10.1093/litthe/frl041.

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Corrigan, Timothy. "Back to the future in The Singing Detective: Amphibians, puzzles, and adaptations". Journal of Screenwriting 4, n. 3 (1 agosto 2013): 237–45. http://dx.doi.org/10.1386/josc.4.3.237_7.

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Creeber, Glen. "And the beat goes on: The continuing influence of The Singing Detective". Journal of Screenwriting 4, n. 3 (1 agosto 2013): 247–58. http://dx.doi.org/10.1386/josc.4.3.247_1.

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Qureshi, Faisal A. "The Singing Detective goes to Hollywood: An interview with director Keith Gordon". Journal of Screenwriting 4, n. 3 (1 agosto 2013): 325–33. http://dx.doi.org/10.1386/josc.4.3.325_7.

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Karpf, Anne. "The pleasure of immersion: Some thoughts on how The Singing Detective sustains narrative". Journal of Screenwriting 4, n. 3 (1 agosto 2013): 309–15. http://dx.doi.org/10.1386/josc.4.3.309_1.

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12

Rolinson, David. "Report on The Singing Detective 25th Anniversary Symposium, University of London, 10 December 2011". Journal of Screenwriting 4, n. 3 (1 agosto 2013): 335–43. http://dx.doi.org/10.1386/josc.4.3.335_7.

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13

Vanheste. "Interpreting Clues: Human Life and Narrative Identity in Dennis Potter’s The Singing Detective". Soundings: An Interdisciplinary Journal 103, n. 3 (2020): 367. http://dx.doi.org/10.5325/soundings.103.3.0367.

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Haswell, Janis E. "James Lee Burke’s Theology of Redemption". Studies in Linguistics and Literature 4, n. 3 (27 agosto 2020): p119. http://dx.doi.org/10.22158/sll.v4n3p119.

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In his 23 novels featuring character Dave Robicheaux, James Lee Burke poses a fundamentally moral (and unanswerable) question: how does a good man maintain himself in the face of evil? From Neon Rain (1987) to A Private Cathedral (2020), Burke develops Robicheaux as both a detective and a narrator, reminiscent of the pastoral genre, where shepherds spent their leisurely, idyllic summer days in singing contests. Like the classical shepherds/poets double, Robicheaux is cop/storyteller and seeks to redeem criminals in both capacities. Burke ultimately illustrates how good and evil will always, must always, co-exist both within individuals and society.

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Reek, J. "'But Now My Eye Sees You': Reading Dennis Potter's The Singing Detective and the Book of Job with Helene Cixous". Literature and Theology 29, n. 2 (10 luglio 2014): 199–215. http://dx.doi.org/10.1093/litthe/fru047.

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Kum, Sangeun, e Juhan Nam. "Joint Detection and Classification of Singing Voice Melody Using Convolutional Recurrent Neural Networks". Applied Sciences 9, n. 7 (29 marzo 2019): 1324. http://dx.doi.org/10.3390/app9071324.

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Singing melody extraction essentially involves two tasks: one is detecting the activity of a singing voice in polyphonic music, and the other is estimating the pitch of a singing voice in the detected voiced segments. In this paper, we present a joint detection and classification (JDC) network that conducts the singing voice detection and the pitch estimation simultaneously. The JDC network is composed of the main network that predicts the pitch contours of the singing melody and an auxiliary network that facilitates the detection of the singing voice. The main network is built with a convolutional recurrent neural network with residual connections and predicts pitch labels that cover the vocal range with a high resolution, as well as non-voice status. The auxiliary network is trained to detect the singing voice using multi-level features shared from the main network. The two optimization processes are tied with a joint melody loss function. We evaluate the proposed model on multiple melody extraction and vocal detection datasets, including cross-dataset evaluation. The experiments demonstrate how the auxiliary network and the joint melody loss function improve the melody extraction performance. Furthermore, the results show that our method outperforms state-of-the-art algorithms on the datasets.

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Zhang, Xulong, Yi Yu, Yongwei Gao, Xi Chen e Wei Li. "Research on Singing Voice Detection Based on a Long-Term Recurrent Convolutional Network with Vocal Separation and Temporal Smoothing". Electronics 9, n. 9 (7 settembre 2020): 1458. http://dx.doi.org/10.3390/electronics9091458.

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Singing voice detection or vocal detection is a classification task that determines whether a given audio segment contains singing voices. This task plays a very important role in vocal-related music information retrieval tasks, such as singer identification. Although humans can easily distinguish between singing and nonsinging parts, it is still very difficult for machines to do so. Most existing methods focus on audio feature engineering with classifiers, which rely on the experience of the algorithm designer. In recent years, deep learning has been widely used in computer hearing. To extract essential features that reflect the audio content and characterize the vocal context in the time domain, this study adopted a long-term recurrent convolutional network (LRCN) to realize vocal detection. The convolutional layer in LRCN functions in feature extraction, and the long short-term memory (LSTM) layer can learn the time sequence relationship. The preprocessing of singing voices and accompaniment separation and the postprocessing of time-domain smoothing were combined to form a complete system. Experiments on five public datasets investigated the impacts of the different features for the fusion, frame size, and block size on LRCN temporal relationship learning, and the effects of preprocessing and postprocessing on performance, and the results confirm that the proposed singing voice detection algorithm reached the state-of-the-art level on public datasets.

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Sarasola, Xabier, Eva Navas, David Tavarez, Luis Serrano, Ibon Saratxaga e Inma Hernaez. "Application of Pitch Derived Parameters to Speech and Monophonic Singing Classification". Applied Sciences 9, n. 15 (2 agosto 2019): 3140. http://dx.doi.org/10.3390/app9153140.

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Speech and singing voice discrimination is an important task in the speech processing area given that each type of voice requires different information retrieval and signal processing techniques. This discrimination task is hard even for humans depending on the length of voice segments. In this article, we present an automatic speech and singing voice classification method using pitch parameters derived from musical note information and f 0 stability analysis. We applied our method to a database containing speech and a capella singing and compared the results with other discrimination techniques based on information derived from pitch and spectral envelope. Our method obtains good results discriminating both voice types, is efficient, has good generalisation capabilities and is computationally fast. In the process, we have also created a note detection algorithm with parametric control of the characteristics of the notes it detects. We compared the agreement of this algorithm with a state-of-the-art note detection algorithm and performed an experiment that proves that speech and singing discrimination parameters can represent generic information about the music style of the singing voice.

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Krause, Michael, Meinard Müller e Christof Weiß. "Singing Voice Detection in Opera Recordings: A Case Study on Robustness and Generalization". Electronics 10, n. 10 (20 maggio 2021): 1214. http://dx.doi.org/10.3390/electronics10101214.

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Automatically detecting the presence of singing in music audio recordings is a central task within music information retrieval. While modern machine-learning systems produce high-quality results on this task, the reported experiments are usually limited to popular music and the trained systems often overfit to confounding factors. In this paper, we aim to gain a deeper understanding of such machine-learning methods and investigate their robustness in a challenging opera scenario. To this end, we compare two state-of-the-art methods for singing voice detection based on supervised learning: A traditional approach relying on hand-crafted features with a random forest classifier, as well as a deep-learning approach relying on convolutional neural networks. To evaluate these algorithms, we make use of a cross-version dataset comprising 16 recorded performances (versions) of Richard Wagner’s four-opera cycle Der Ring des Nibelungen. This scenario allows us to systematically investigate generalization to unseen versions, musical works, or both. In particular, we study the trained systems’ robustness depending on the acoustic and musical variety, as well as the overall size of the training dataset. Our experiments show that both systems can robustly detect singing voice in opera recordings even when trained on relatively small datasets with little variety.

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Liu, Yu Xiang, Ze Yu Jin, Jia Jia e Lian Hong Cai. "An Automatic Singing Evaluation System". Applied Mechanics and Materials 128-129 (ottobre 2011): 504–9. http://dx.doi.org/10.4028/www.scientific.net/amm.128-129.504.

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In this paper, a singing evaluation approach based on pitch and rhythm accuracy is proposed. A comparative study was first carried out between speech and singing voice, which demonstrated the characteristic of consonant and vowel in singing voice. A phoneme boundary detector was adopted to perform note segmentation in a high time resolution by using characteristics of consonant and vowel. As for singing skill evaluation, relative pitch interval between reference score and actual sung pitch was adopted to estimate pitch deviation while difference between absolute position and expected position of beats served as rhythm consistency measure. Experiments on a solfege corpus demonstrated a noticeable improvement in the performance of onset detection. A detailed subjective evaluation showed great consistency between the proposed evaluation approach and experts’ judgment.

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You, Shingchern D., Yi-Chung Wu e Shih-Hsien Peng. "Comparative study of singing voice detection methods". Multimedia Tools and Applications 75, n. 23 (29 agosto 2015): 15509–24. http://dx.doi.org/10.1007/s11042-015-2894-9.

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Foote, Jennifer R., Lauren P. Fitzsimmons, Lynnea M. Lobert, Laurene M. Ratcliffe e Daniel J. Mennill. "A Population-level Analysis of Morning Song: Exploring the Implications for Point Counts". Canadian Field-Naturalist 131, n. 1 (14 luglio 2017): 10–18. http://dx.doi.org/10.22621/cfn.v131i1.1779.

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Point counts are widely used for conducting ecological surveys of wild birds. Vocal output of birds varies with time of day, and therefore the results of ecological surveys should also vary with time of day. We modeled how males’ singing rates change over the morning. We calculated song rates in 3 min sampling periods (the standard sampling period used by the North American Breeding Bird Survey) and compared how detection rates vary as sampling period increases. We recorded singing activity in 15 neighbourhoods of breeding Black-capped Chickadees (Poecile atricapillus) with 16-element microphone arrays that recorded every song from every male in every neighbourhood. We calculated the proportion of males that produced one or more songs during 3, 5, and 10 min count periods between nautical twilight and late morning. our results show a strong peak in singing activity just before sunrise followed by a steady decline in singing activity over the course of the morning. We found that longer sampling periods yielded significantly higher detection rates at all times after sunrise. After sunrise, detection rates never exceeded 60%, even with 10 min sampling periods. We found that unpaired males had significantly higher detection rates than paired males but we found no difference between paired males with fertile versus incubating mates. our results provide strong evidence that, for black-capped Chickadees, surveys during the dawn chorus provide the most comprehensive assessment of the number of birds present, and that longer sampling periods yield significantly better estimates of population sizes at all times after sunrise.

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O’Sullivan, Sean. "Bridges and gaps: The Singing Detective’s serial afterlife". Journal of Screenwriting 4, n. 3 (1 agosto 2013): 273–85. http://dx.doi.org/10.1386/josc.4.3.273_1.

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Yu, Da-peng, De-you Zhao e Yu Wang. "Detecting stationarity and nonlinearity in propeller singing signal". Journal of Shanghai Jiaotong University (Science) 15, n. 4 (agosto 2010): 447–50. http://dx.doi.org/10.1007/s12204-010-1031-1.

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Lech, Michał, e Bozena Kostek. "A system for automatic detection and correction of detuned singing". Journal of the Acoustical Society of America 123, n. 5 (maggio 2008): 3177. http://dx.doi.org/10.1121/1.2933266.

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Foote, Jennifer R., Mandy Ehnes e Jeffrey P. Dech. "Seasonal changes in acoustic detection of forest birds". Journal of Ecoacoustics 2, n. 1 (11 aprile 2018): 1. http://dx.doi.org/10.22261/jea.qvdzo7.

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Autonomous recording is commonly used to examine the structure of avian communities in a variety of landscapes. Many birds return to the breeding grounds in May yet acoustic surveys typically begin in June. In many species, singing activity declines through the breeding season and so detections may be lower later in the season. The aim of our study was to compare the species richness and the community composition measured early (mid-late May) and later (mid-late June) in the breeding season. We recorded the community of singing birds at 13 locations in York Region, Ontario, Canada woodlots over two days using autonomous recorders. We used spectrographic analysis to scan recordings and identify all vocalizing species. We found that species richness was significantly higher in early recordings compared to later recordings with detections of both migrants and residents displaying this trend. Most food and foraging guilds were also detected significantly less often later in the season. Despite changes in species richness, the proportion of the community represented by each foraging guild did not vary between early and late recordings. Our results suggest that acoustic recordings could be collected earlier in the breeding season, extending the survey period into May. If the primary goal of monitoring is to document species presence/absence then earlier recordings may be advantageous.

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Alldredge, Mathew W., Kenneth H. Pollock, Theodore R. Simons, Jaime A. Collazo e Susan A. Shriner. "Time-of-Detection Method for Estimating Abundance From Point-Count Surveys". Auk 124, n. 2 (1 aprile 2007): 653–64. http://dx.doi.org/10.1093/auk/124.2.653.

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Abstract Point-count surveys are often used to collect data on the abundance and distribution of birds, generally as an index of relative abundance. Valid comparison of these indices assumes that the detection process is comparable over space and time. These restrictive assumptions can be eliminated by estimating detection probabilities directly. We generalize a recently proposed removal model for estimating detection probabilities using a time-of-detection approach, which can account for more sources of variation in point-count data. This method is specifically designed to account for variation in detection probabilities associated with singing rates of birds. Our model accounts for both availability bias and detection bias by modeling the combined probability that a bird sings during the count, and the probability that it is detected given that it sings. The model requires dividing the count into several intervals and recording detections of individual birds in each interval. We develop maximum-likelihood estimators for this approach and provide a full suite of models based on capture-recapture models, including covariate models. We present two examples of this method: one for four species of songbirds surveyed in Great Smoky Mountains National Park using three unequal intervals, and one for the Pearly-eyed Thrasher (Margarops fuscatus) surveyed in Puerto Rico using four equal intervals. Models incorporating individual heterogeneity were selected for all data sets using information-theoretic model-selection techniques. Detection probabilities varied among count-time intervals, which suggests that birds may be responding to observers. We recommend applying this method to surveys with four or more equal intervals to reduce assumptions and to take full advantage of standard capture-recapture software. The time-of-detection approach provides a better understanding of the detection process, especially when singing rates of individual birds affect detection probabilities. Estimación de la Abundancia en Puntos de Conteo Mediante el Método del Tiempo de Detección

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D’Amario, Sara, Helena Daffern e Freya Bailes. "A new method of onset and offset detection in ensemble singing". Logopedics Phoniatrics Vocology 44, n. 4 (27 marzo 2018): 143–58. http://dx.doi.org/10.1080/14015439.2018.1452977.

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Monson, Brian B., Andrew J. Lotto e Brad H. Story. "Detection of high-frequency energy level changes in speech and singing". Journal of the Acoustical Society of America 135, n. 1 (gennaio 2014): 400–406. http://dx.doi.org/10.1121/1.4829525.

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Michalska, Małgorzata. "Application for the Automatic Pitch Detection and Correction of Detuned Singing". Pomiary Automatyka Robotyka 20, n. 1 (2 marzo 2016): 25–30. http://dx.doi.org/10.14313/par_219/25.

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Sheldon, Deborah A. "Effects of Contextual Sight-Singing and Aural Skills Training on Error-Detection Abilities". Journal of Research in Music Education 46, n. 3 (ottobre 1998): 384–95. http://dx.doi.org/10.2307/3345550.

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Proutskova, Polina, Christophe Rhodes, Tim Crawford e Geraint Wiggins. "Breathy, Resonant, Pressed – Automatic Detection of Phonation Mode from Audio Recordings of Singing". Journal of New Music Research 42, n. 2 (giugno 2013): 171–86. http://dx.doi.org/10.1080/09298215.2013.821496.

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Waymark, Peter. "John Caughie, Edge of Darkness (London: British Film Institute, 2007), pp. 153, ISBN 978 1 84457 20 7 (pb), £12. Glen Creeber, The Singing Detective (London: British Film Institute, 2007), pp. 154, ISBN 978 1 84457 198 7 (pb), £12. Glyn Davis, Queer as Folk (London: British Film Institute, 2007), pp. 138, ISBN 978 1 84457 199 4 (pb), £12." Journal of British Cinema and Television 5, n. 2 (novembre 2008): 425–27. http://dx.doi.org/10.3366/e1743452108000575.

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Pivnitskaya, Olga V. "The Peculiarities of Intonational Approach Realization within the Course of Folk Solfeggio Based on Russian Traditional Culture". Musical Art and Education 7, n. 1 (2019): 120–31. http://dx.doi.org/10.31862/2309-1428-2019-7-1-120-131.

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The given article touches upon reasonability and perspectivity of the development of intonation approach to the mastering of learning material at folk solfeggio lessons. As is known folk-oriented musical education has a long history in Russia. Meanwhile song folklore has always been an integral part of national and world music culture. During the historical revolution two trends in national ethnomusicology have developed. The first one is studied as a consistent logical system while the second one is connected with the detection of unique features of Russian folk music in different regions. The two main trends can be noted in the basic approaches to the mastering of folk singing and they are designated as authentic and scenic. Within the frameworks of the authentic trend there are two independent trends specific for folk singing. The first one implies the mastering of folk singing without in-depth study of one or several regional trends and the second one is aimed at studying of any specific folk-song tradition by students. The conducted analysis gives ground to extract two basic trends that have developed in musical education pedagogy where the first one takes folk-song examples as solfeggio materials and the second one studies folk songs as independent artistic value in folk-song material rendering. Minding the fact that the main goal of folk solfeggio is to develop ethnical hearing and ethnical intonation, learning material should mind different approaches to its mastering. So the learning material aimed at mastering of Russian song material within the scenic trend should include song examples mainly as invariants while for the authentic one there should mainly be the examples with a variative component.

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Price, J. Jordan. "Why is birdsong so repetitive? Signal detection and the evolution of avian singing modes". Behaviour 150, n. 9-10 (2013): 995–1013. http://dx.doi.org/10.1163/1568539x-00003051.

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., Sumeet S. Andhalkar. "PITCH DETECTION FROM SINGING VOICE, ADVANTAGES, LIMITATIONS AND APPLICATIONS OF PITCH IN VOICE PROCESSING". International Journal of Research in Engineering and Technology 04, n. 04 (25 aprile 2015): 616–19. http://dx.doi.org/10.15623/ijret.2015.0404106.

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Coath, Martin, Susan L. Denham, Leigh M. Smith, Henkjan Honing, Amaury Hazan, Piotr Holonowicz e Hendrik Purwins. "Model cortical responses for the detection of perceptual onsets and beat tracking in singing". Connection Science 21, n. 2-3 (settembre 2009): 193–205. http://dx.doi.org/10.1080/09540090902733905.

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Lampe, Helene M., Torben Dabelsteen, Ole N. Larsen e Simon B. Pedersen. "Degradation of song in a species using nesting holes: the Pied Flycatcher Ficedula hypoleuca". Anais da Academia Brasileira de Ciências 76, n. 2 (giugno 2004): 264–66. http://dx.doi.org/10.1590/s0001-37652004000200012.

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The habitat, but also the nest hole of a hole-nesting species, will degrade the song during transmission. We investigated how the sounds degrade in a sound transmission experiment with the song of the Pied Flycatcher Ficedula hypoleuca (Muscicapidae). Ten different song elements were transmitted to microphones placed inside and outside a nest box. On average, song degradation was much greater inside than outside the nest boxes, especially with respect to excess attenuation and blurring of the song elements. Being inside a nest box therefore strongly reduces a Pied Flycatcher's possibility of detecting and recognizing songs or eavesdropping on singing interactions.

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Vatti, Marianna, Sébastien Santurette, Niels Henrik Pontoppidan e Torsten Dau. "Perception of a Sung Vowel as a Function of Frequency-Modulation Rate and Excursion in Listeners With Normal Hearing and Hearing Impairment". Journal of Speech, Language, and Hearing Research 57, n. 5 (ottobre 2014): 1961–71. http://dx.doi.org/10.1044/2014_jslhr-h-13-0219.

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Purpose Frequency fluctuations in human voices can usually be described as coherent frequency modulation (FM). As listeners with hearing impairment (HI listeners) are typically less sensitive to FM than listeners with normal hearing (NH listeners), this study investigated whether hearing loss affects the perception of a sung vowel based on FM cues. Method Vibrato maps were obtained in 14 NH and 12 HI listeners with different degrees of musical experience. The FM rate and FM excursion of a synthesized vowel, to which coherent FM was applied, were adjusted until a singing voice emerged. Results In NH listeners, adding FM to the steady vowel components produced perception of a singing voice for FM rates between 4.1 and 7.5 Hz and FM excursions between 17 and 83 cents on average. In contrast, HI listeners showed substantially broader vibrato maps. Individual differences in map boundaries were, overall, not correlated with audibility or frequency selectivity at the vowel fundamental frequency, with no clear effect of musical experience. Conclusion Overall, it was shown that hearing loss affects the perception of a sung vowel based on FM-rate and FM-excursion cues, possibly due to deficits in FM detection or discrimination or to a degraded ability to follow the rate of frequency changes.

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Gogala, Matija. "Acoustic detection and identification of singing cicadas (Homoptera: Cicadoidea) in Europe and in S.E. Asia". Journal of the Acoustical Society of America 106, n. 4 (ottobre 1999): 2189. http://dx.doi.org/10.1121/1.427421.

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Nowosielska-Grygiel, Joanna, e Jurek Olszewski. "The usefulness of the acoustic and the capacity analysis of singing voice". Otolaryngologia Polska 73, n. 3 (5 aprile 2019): 16–25. http://dx.doi.org/10.5604/01.3001.0013.1534.

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Abstract Introduction: The aim of the study was to assess the acoustic and capacity analysis of singing voice using DiagnoScope Specialist software. Material and methods: The study was conducted in 120 adults subjects, including 74 women and 46 men aged 21-5, were divided into 3 groups: I -40 subjects (treatment group) – professional vocalists, II- 40 subjects (treatment group) – semiprofessional vocalists, III- 40 subjects (control group) – students of The Military Medical Faculty at Medical University of Lodz – nonsingers. The research methodology included: primary medical history, physical examination (otolaryngological), vdeolaryngoscopic examination, the GRBAS scale for subjective voice evaluation, diagnostic voice acoustic and capacity analysis using DiagnoScope Specialist software, survey on lifestyle patterns which may affect voice quality. Results: Average value of the fundamental frequency F0 was the highest in professional vocalists’ group was 316,46 Hz in women and 165,09 Hz in men, in semiprofessional vocalists’ group was accordingly 260,50 Hz and 149,26 Hz, in nonsingers’ group was accordingly 261,23 Hz and 159, 27 Hz. Average value of Jitter parameter in professional vocalists’ group was 0,30% in women and 0,54% in men, in semiprofessional vocalists’ group was accordingly 0,31% and 0,57%, in nonsingers’ group was 0,31% and 0,56%. Average value of Shimmer parameter in professional vocalists’ group was 3,27% in women and 3,75% in men, in semiprofessional vocalists’ group was accordingly 3,46% and 3,77%, in nonsingers’ group was 4,33% and 4,39%. Average value of NHR index in professional vocalists’ group was 3,28% in women and 6,00% in men, in semiprofessional vocalists’ group was accordingly 3,23% and 6,72%, in nonsingers’ group was 3,89% and 6,13%. Conclusions: Values of the parameters which are measuring the character of the voice, relative period-to-period fundamental frequency perturbations, relative period-to-period amplitude perturbation and level of buzzing together with other methods have diagnostic and predictive value in early detection of voice disorders. Capacity analysis in singing voice showed very low values of the following parameters: phonation time, true phonation time, no phonation coefficient, voice efficiency coefficient and voice capacity. Key words: The acoustic and capacity analysis, singing voice

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Calladine, J., F. Buner e N. J. Aebischer. "Temporal variations in the singing activity and the detection of Turtle DovesStreptopelia turtur: implications for surveys". Bird Study 46, n. 1 (marzo 1999): 74–80. http://dx.doi.org/10.1080/00063659909461116.

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Luther, David A. "Signaller: receiver coordination and the timing of communication in Amazonian birds". Biology Letters 4, n. 6 (30 settembre 2008): 651–54. http://dx.doi.org/10.1098/rsbl.2008.0406.

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The efficacy of communication relies on the detection of signals against background noise. Some species are known to alter the timing of vocalizations to avoid acoustic interference from similar signals of other species, but nothing is known about the possibility of coordinated adjustments in the timing of receivers' attention. I examined the possibility that co-occurring species might respond as well as vocalize at different times in a diverse tropical avifauna by presenting playbacks of recordings to territorial birds at typical and atypical times for singing during the dawn chorus. The results show that co-occurring species of birds in a diverse avifauna partition the timing of both production and response in a way that would reduce acoustic interference between species.

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Hartbauer, Manfred, Elisabeth Ofner, Viktoria Grossauer e Björn M. Siemers. "The Cercal Organ May Provide Singing Tettigoniids a Backup Sensory System for the Detection of Eavesdropping Bats". PLoS ONE 5, n. 9 (13 settembre 2010): e12698. http://dx.doi.org/10.1371/journal.pone.0012698.

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Li, Feng, e Masato Akagi. "Blind monaural singing voice separation using rank-1 constraint robust principal component analysis and vocal activity detection". Neurocomputing 350 (luglio 2019): 44–52. http://dx.doi.org/10.1016/j.neucom.2019.04.030.

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46

Farnsworth, George L., Kenneth H. Pollock, James D. Nichols, Theodore R. Simons, James E. Hines e John R. Sauer. "A Removal Model for Estimating Detection Probabilities From Point-Count Surveys". Auk 119, n. 2 (1 aprile 2002): 414–25. http://dx.doi.org/10.1093/auk/119.2.414.

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AbstractUse of point-count surveys is a popular method for collecting data on abundance and distribution of birds. However, analyses of such data often ignore potential differences in detection probability. We adapted a removal model to directly estimate detection probability during point-count surveys. The model assumes that singing frequency is a major factor influencing probability of detection when birds are surveyed using point counts. This may be appropriate for surveys in which most detections are by sound. The model requires counts to be divided into several time intervals. Point counts are often conducted for 10 min, where the number of birds recorded is divided into those first observed in the first 3 min, the subsequent 2 min, and the last 5 min. We developed a maximum-likelihood estimator for the detectability of birds recorded during counts divided into those intervals. This technique can easily be adapted to point counts divided into intervals of any length. We applied this method to unlimited-radius counts conducted in Great Smoky Mountains National Park. We used model selection criteria to identify whether detection probabilities varied among species, throughout the morning, throughout the season, and among different observers. We found differences in detection probability among species. Species that sing frequently such as Winter Wren (Troglodytes troglodytes) and Acadian Flycatcher (Empidonax virescens) had high detection probabilities (∼90%) and species that call infrequently such as Pileated Woodpecker (Dryocopus pileatus) had low detection probability (36%). We also found detection probabilities varied with the time of day for some species (e.g. thrushes) and between observers for other species. We used the same approach to estimate detection probability and density for a subset of the observations with limited-radius point counts.

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Hiçyılmaz, Yaşar, e Stefano Moretti. "Characterisation of dark matter in direct detection experiments: Singlino versus Higgsino". Nuclear Physics B 967 (giugno 2021): 115404. http://dx.doi.org/10.1016/j.nuclphysb.2021.115404.

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Hao, Yiya, Yaobin Chen, Weiwei Zhang, Gong Chen e Liang Ruan. "A real-time music detection method based on convolutional neural network using Mel-spectrogram and spectral flux". INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, n. 1 (1 agosto 2021): 5910–18. http://dx.doi.org/10.3397/in-2021-11599.

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Audio processing, including speech enhancement system, improves speech intelligibility and quality in real-time communication (RTC) such as online meetings and online education. However, such processing, primarily noise suppression and automatic gain control, is harmful to music quality when the captured signal is music instead of speech. A music detector can solve the issue above by switching off the speech processing when the music is detected. In RTC scenarios, the music detector should be low-complexity and cover various situations, including different types of music, background noises, and other acoustical environments. In this paper, a real-time music detection method with low-computation complexity is proposed, based on a convolutional neural network (CNN) using Mel-spectrogram and spectral flux as input features. The proposed method achieves overall 90.63% accuracy under different music types (classical music, instruments solos, singing-songs, etc.), speech languages (English and Mandarin), and noise types. The proposed method is constructed on a lightweight CNN model with a small feature size, which guarantees real-time processing.

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McNeil, Darin J., e Christina M. Grozinger. "Singing in the suburbs: point count surveys efficiently reveal habitat associations for nocturnal Orthoptera across an urban-to-rural gradient". Journal of Insect Conservation 24, n. 6 (29 settembre 2020): 1031–43. http://dx.doi.org/10.1007/s10841-020-00273-9.

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Abstract As evidence for global insect population declines continues to amass, several studies have indicated that Orthoptera (grasshoppers, crickets, and katydids) are among the most threatened insect groups. Understanding Orthoptera populations across large spatial extents requires efficient survey protocols, however, many previously established methods are expensive and/or labor-intensive. One survey method widely employed in wildlife biology, the aural point count, may work well for crickets and katydids (suborder: Ensifera) because males produce conspicuous, species-specific mating calls. We conducted repeated point count surveys across an urban-to-rural gradient in central Pennsylvania. Occupancy analyses of ten focal species indicated that, although detection probability rates varied by species from 0.43 to 0.98, detection rates compounded over five visits such that all focal species achieved cumulative > 0.90. Factors associated with site occupancy varied among species with some positively associated with urbanization (e.g., Greater Anglewing, Microcentrum rhombifolium), some negatively associated with urbanization (e.g., Sword-bearing Conehead, Neoconocephalus ensiger), and others exhibiting constant occupancy across a habitat gradient (e.g., Common True Katydid, Pterophylla camellifolia). Our community-level analysis revealed that different species’ habitat associations interacted such that intermediate levels of urbanization (i.e., suburbs) hosted the highest number of species. Implications for insect conservation Ultimately, our analyses clearly support the concept that aural point counts paired with static occupancy modeling can serve as an important tool for monitoring night-singing Orthoptera populations. Applications of point count surveys by both researchers and citizen scientists may improve our understanding Ensifera populations and help in the global conservation of these threatened insects.

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KERKHOFF, ANNEMARIE, ELISE DE BREE, MAARTJE DE KLERK e FRANK WIJNEN. "Non-adjacent dependency learning in infants at familial risk of dyslexia". Journal of Child Language 40, n. 1 (5 dicembre 2012): 11–28. http://dx.doi.org/10.1017/s0305000912000098.

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ABSTRACTThis study tests the hypothesis that developmental dyslexia is (partly) caused by a deficit in implicit sequential learning, by investigating whether infants at familial risk of dyslexia can track non-adjacent dependencies in an artificial language. An implicit learning deficit would hinder detection of such dependencies, which mark grammatical relations (e.g. between ‘is’ and ‘-ing’ in ‘she is happily singing’). In a head-turn experiment with infants aged 1;6, family risk and typically developing infants were exposed to one of two novel languages containing dependencies of the type a-X-c, b-X-d or a-X-d, b-X-c, with fixed first and third elements and twenty-four different X elements. During test, typically developing children listened longer to ungrammatical strings (i.e. that did not correspond to their training language). However, family-risk children did not discriminate between grammatical and ungrammatical strings, indicating deficient implicit learning. The implications of these findings in relation to dyslexia and other language-based disorders are discussed.

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