Academic literature on the topic 'Recording device'

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Journal articles on the topic "Recording device"

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Sheahan, Guy, Richard Reznick, Don Klinger, Leslie Flynn, and Boris Zevin. "Comparison of Personal Video Technology for Teaching and Assessment of Surgical Skills." Journal of Graduate Medical Education 11, no. 3 (June 1, 2019): 328–31. http://dx.doi.org/10.4300/jgme-d-18-01082.1.

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ABSTRACT Background Improvements in personal technology have made video recording for teaching and assessment of surgical skills possible. Objective This study compared 5 personal video-recording devices based on their utility (image quality, hardware, mounting options, and accessibility) in recording open surgical procedures. Methods Open procedures in a simulated setting were recorded using smartphones and tablets (MOB), laptops (LAP), sports cameras such as GoPro (SC), single-lens reflex cameras (DSLR), and spy camera glasses (SPY). Utility was rated by consensus between 2 investigators trained in observation of technology using a 5-point Likert scale (1, poor, to 5, excellent). Results A total of 150 hours of muted video were reviewed with a minimum 1 hour for each device. Image quality was good (3.8) across all devices, although this was influenced by the device-mounting requirements (4.2) and its proximity to the area of interest. Device hardware (battery life and storage capacity) was problematic for long procedures (3.8). Availability of devices was high (4.2). Conclusions Personal video-recording technology can be used for assessment and teaching of open surgical skills. DSLR and SC provide the best images. DSLR provides the best zoom capability from an offset position, while SC can be placed closer to the operative field without impairing sterility. Laptops provide best overall utility for long procedures due to video file size. All devices require stable recording platforms (eg, bench space, dedicated mounting accessories). Head harnesses (SC, SPY) provide opportunities for “point-of-view” recordings. MOB and LAP can be used for multiple concurrent recordings.
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Kawamura, Ichiro, Yoshitaka Fojioka, and Makoto Fujita. "Recording disc reproducing device." Journal of the Acoustical Society of America 81, no. 5 (May 1987): 1663. http://dx.doi.org/10.1121/1.395056.

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Goolkasian, Aaron J. "Audio recording playback device." Journal of the Acoustical Society of America 119, no. 4 (2006): 1910. http://dx.doi.org/10.1121/1.2195811.

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Du, Jiangang, Ingmar H. Riedel-Kruse, Janna C. Nawroth, Michael L. Roukes, Gilles Laurent, and Sotiris C. Masmanidis. "High-Resolution Three-Dimensional Extracellular Recording of Neuronal Activity With Microfabricated Electrode Arrays." Journal of Neurophysiology 101, no. 3 (March 2009): 1671–78. http://dx.doi.org/10.1152/jn.90992.2008.

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Microelectrode array recordings of neuronal activity present significant opportunities for studying the brain with single-cell and spike-time precision. However, challenges in device manufacturing constrain dense multisite recordings to two spatial dimensions, whereas access to the three-dimensional (3D) structure of many brain regions appears to remain a challenge. To overcome this limitation, we present two novel recording modalities of silicon-based devices aimed at establishing 3D functionality. First, we fabricated a dual-side electrode array by patterning recording sites on both the front and back of an implantable microstructure. We found that the majority of single-unit spikes could not be simultaneously detected from both sides, suggesting that in addition to providing higher spatial resolution measurements than that of single-side devices, dual-side arrays also lead to increased recording yield. Second, we obtained recordings along three principal directions with a multilayer array and demonstrated 3D spike source localization within the enclosed measurement space. The large-scale integration of such dual-side and multilayer arrays is expected to provide massively parallel recording capabilities in the brain.
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Sundbom, Per, Michael Roth, Hans Granfeldt, Daniel M. Karlsson, Henrik Ahn, Fredrik Gustafsson, and Laila Hubbert. "Sound analysis of a left ventricular assist device: A technical evaluation of iOS devices." International Journal of Artificial Organs 41, no. 5 (March 9, 2018): 254–60. http://dx.doi.org/10.1177/0391398818762352.

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Introduction: The use of left ventricular assist device (LVAD) has grown rapidly. Adverse events do continue to occur. In recent years, analysis of LVAD sound recordings emerged as a means to monitor pump function and detect pump thrombosis. The aim of this study was to characterize the sounds from HeartMate II and to evaluate the use of handheld iOS devices for sound recordings. Method: Signal analysis of LVAD sound recordings, with dedicated recording equipment and iOS devices, was performed. Two LVADs running in mock loop circuits were compared to an implanted LVAD. Spectral analysis and parametric signal models were explored to quantify the sound and potentially detect changes in it. Results: The sound recordings of two LVADs in individual mock loop circuits and a third one implanted in a patient appeared to be similar. Qualitatively, sound characteristics were preserved following changes in pump speed. Recordings using dedicated equipment showed that HeartMate II sound comprises low-frequency components corresponding to pump impeller rotation, as well as high-frequency components due to a pulse width modulation of the electric power to the pump. These different signal components interact and result in a complicated frequency spectrum. The iPhone and iPod recordings could not reproduce the sounds as well as the dedicated equipment. In particular, lower frequencies were affected by outside disturbances. Discussion: This article outlines a systematic approach to LVAD sound analysis using signal processing methods to quantify and potentially detect changes, and describes some of the challenges, for example, with the use of inexpensive recording devices.
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Rahman, Nilufar, Fouzia Binte Kasem, Md Reazul Islam, Md Rafiqul Islam, Rezina Sultana, and Abdul Matin. "Comparison Between Mercury and Liquid Crystal Forehead Thermometers for Measurment of Body Temperature." Journal of Shaheed Suhrawardy Medical College 4, no. 2 (April 3, 2013): 60–61. http://dx.doi.org/10.3329/jssmc.v4i2.14421.

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Background: Body temperature is a measure of the body's ability to generate and get rid of heat. For recording of body temperature several different types of thermometers are available, such as mercury thermometers, digital thermometer, liquid crystal forehead thermometer, and infrared tympanic thermometer are used. The accuracy of the device is to record and grade temperature is uncertain. Objective: The study was carried out the recordings of normal body temperature using liquid crystal forehead thermometer and compare with gold standard oral mercury thermometer. Methodology: Simultaneous recording were made using the two devise in randomly enrolled 150 apparently healthy medical student eighteen (18) to twenty (20) years age of either sex. Written & verbal consent was taken from the students without any coercion. Oraltemperature was recorded with Chinese made mercury thermometer and the forehead temperature was recorded using liquid crystal (Boots, UK) thermometer. Results: No statistical significant difference existed between the recordings of two devices. The mean difference was 0.8 degree. Liquid crystal forehead thermometer recorded higher temperatures. Both the devices recorded temperature within normal range. Conclusions: Sensitivity of liquid-crystal thermometer to detect body temperature is comparable with that of mercury thermometer. It is a good device for home use but health providers should not use it. Mercury thermometer remains the gold standard. DOI: http://dx.doi.org/10.3329/jssmc.v4i2.14421 J Shaheed Suhrawardy Med Coll, 2012;4(2):60-61
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Kawamura, Ichiro, Izumi Hino, and Makoto Fujita. "Disk recording and reproducing device." Journal of the Acoustical Society of America 81, no. 5 (May 1987): 1663. http://dx.doi.org/10.1121/1.395055.

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Gurr, L. "A PNEUMATIC NEST-RECORDING DEVICE." Ibis 97, no. 3 (April 3, 2008): 584–86. http://dx.doi.org/10.1111/j.1474-919x.1955.tb04986.x.

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Lieben, Liesbet. "A miniature living recording device." Nature Reviews Genetics 19, no. 2 (December 11, 2017): 65. http://dx.doi.org/10.1038/nrg.2017.110.

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Miyashita, Eiichi. "1. Trend of Recording Device and Future Recording Technology." Journal of the Institute of Image Information and Television Engineers 68, no. 1 (2014): 22–25. http://dx.doi.org/10.3169/itej.68.22.

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Dissertations / Theses on the topic "Recording device"

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Chavez, Dylan 1981. "Electromagnetic recording and playback device." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/32830.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2004.
Includes bibliographical references (leaf 24).
The purpose of this thesis is the design and manufacture of an electromagnetic recording and playback device. The device was designed to record information onto a steel wire which can replay the signal. The device is of simple mechanical design, resilient to impacts, minor compression, and operator error. The design has a minimal number of parts and requires limited maintenance or replacement of parts. The device is comprised of three systems: a magnetic head, transport system, and a support structure. Each of these systems is described and mechanical drawings for all parts are included.
by Dylan Chavez.
S.B.
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Liu, Danjie. "The study into implantable device for multi-axonal recording." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 39 p, 2008. http://proquest.umi.com/pqdweb?did=1459914031&sid=11&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Costello, Joseph Michael Jr. "Utilizing a Mobile Device to Implement a Dual-Recording Eye Exam." Youngstown State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1608553722811001.

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Lee, Seung Bae. "An inductively powered multichannel wireless implantable neural recording system (WINeR)." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/54009.

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A multi-channel wireless implantable neural recording (WINeR) system for electrophysiology and behavioral neuroscience research applications was proposed. The system is composed of two units: a system-on-a-chip (SoC) transmitter (Tx) unit and a receiver (Rx) unit. In the Tx unit, the outputs are combined with marker signals and modulated into pulse widths after the neural signals are amplified and filtered by an array of low-noise amplifiers (LNA). The next step involves time-division multiplexing (TDM) of pulse-width modulation (PWM) signals. The TDM-PWM signal drives RF transmitter block and is transmitted by an antenna. To satisfy the needs of neuroscientists during animal experiments, the proposed WINeR system provides long-term recording with inductive powering and stimulus-artifact rejection for closed-loop operations, which requires simultaneous stimulation and recording. The Rx is another critical unit for wireless-link communication. To increase the area of wireless coverage, multiple antennas are used for the Rx. In addition, the automatic frequency-tracking method is used to track free-running Tx frequencies, and a smart time-to-digital conversion method is used to reduce noise and interference. A high-throughput computer interface and software are also developed to continuously receive and store neural data. The WINeR system is a potential tool for neuroscientists due to several advantages, such as a reliable wireless link with large coverage and no blind spots, low power consumption, an unlimited power source, and a stimulation function.
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Hsu, Byron B. "A preliminary design of an integrated non-invasive brain recording and stimulation device." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/46127.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2008.
Includes bibliographical references (p. 111-113).
The purpose of this project is to create a device which can perform closed-loop brain recording and stimulation. Part of this is to create a device to amplify and digitize high frequency EEG signals up to 1 KHz. The other portion is to create a device to apply controlled and arbitrary current stimulation. This project has the potential to enhance human memory formation, an essential ability for people in everyday life. Along the way, I will create a device which has the potential to change how researchers record brain activity, enabling new insights into higher-frequency brain function and disorders.
by Byron B. Hsu.
M.Eng.
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Miyata, Seiko, Akiko Noda, Kumiko Honda, Seiichi Nakata, Keisuke Suzuki, Tsutomu Nakashima, and Yasuo Koike. "Follow-up for Patients with Obstructive Sleep Apnea Syndrome using A Portable Recording Device." Nagoya University School of Medicine, 2007. http://hdl.handle.net/2237/7477.

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Pinnell, Richard Charles. "Miniature wireless deep-brain stimulator and EEG-recording device : implications for the treatment of schizophrenia." Thesis, University of Strathclyde, 2014. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=24074.

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Deep-brain stimulation (DBS) is increasingly being pursued as a treatment option for a range of neuropsychiatric disorders. When assessing its potential for the treatment of schizophrenia, related animal studies are often limited by the range of measurements that the equipment is capable of. In animals, the combination of DBS with various recording modalities such as local-field potential (LFP) recording has traditionally required complex and time-consuming laboratory setups. Furthermore, the elucidation of neural activity underpinning rodent behaviour has traditionally been hampered by the use of tethered systems and human involvement. Taken together, novel tools and techniques are required to drive forward DBS research in this area. In this study, two miniature wireless devices were developed for electrophysiological recording and stimulation in freely-moving rodents. The performance of one of these devices was verified in an open-field chamber, in which high-frequency (100Hz) st imulation was delivered bilaterally into the anterior thalamic nucleus at a range of current intensities (20(So(BA, 100(So(BA) and pulse-widths (25(So(Bs, 100(So(Bs, 200(So(Bs). LFP recordings were made bilaterally in the fronto-hippocampal brain regions. Not only was the recording/stimulation device able to successfully correlate electrophysiological recording and stimulation with animal behaviour (via video tracking), but a transient velocity increase of the animals was observed following stimulation at the higher current setting (100(So(BA). The effect of fimbria-fornix (FF) DBS (at 130Hz, 30(So(BA, 90(So(Bs) was then studied in a rodent disease model relevant to schizophrenia, using a spatial working memory paradigm inside a T-maze. Fronto-hippocampal LFP was recorded bilaterally, and was subsequently correlated to the rat's position using synchronised video-tracking. Notably, rat gamma-frequency LFP was found to be increased in all brain regions following an acute administration of the NMDA receptor antagonist phencyclidine (PCP; 3 mk.kg-p1s i.p.), which had persisted throughout the duration of the recording session. Furthermore, rat hippocampal theta-frequency activity was transiently elevated following a 30-second period of FF-DBS, which was carried out during the intra-trial delay period of the task. Finally, the use of FF-DBS throughout the task training sessions highlighted a (non-significant) tendency for rats to reach criterion performance faster than their sham-stimulated counterparts, highlighting the FF as a potential DBS target to consider with regards to disorders that affect learning and memory. The data presented in this study highlights a) the successful design and application of novel device technologies for enhancing the range of measurements in animal-related DBS studies, and b) the effects of FF-DBS in a rodent model relevant to schizophrenia, and its implications in the treatment of this disorder.
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Robinson, Simon. "Charge Coupled Device camera recording and computational analysis of flame propagation in a spark-ignition engine." Thesis, Loughborough University, 1996. https://dspace.lboro.ac.uk/2134/27203.

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Homogeneous charge combustion in a four stroke cycle spark-ignition engine was studied using through-piston-photography with a gated-intensified CCD camera. Analysis of computer stored multiple exposed flame front images was carried out for various engine conditions, in conjunction with the test data and cylinder pressure signals. Representative turbulence scales were inferred from the flame propagation and cylinder pressure data. Fractal analysis of flame edge contours resulted in a fractal dimension D3 in the range 2.12 to 2.23 corroborating data presented elsewhere. A correlation is presented here between the standard deviation of peak cylinder pressure and the fractal dimension D3.
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Koike, Yasuo, Seiichi Nakata, 聖子 宮田, Seiko Miyata, Akiko Noda, Hidehito Yagi, Eriko Yanagi, et al. "Daytime polysomnography and portable recording device for diagnosis and CPAP therapy in patients with obstructive sleep apnea syndrome." Thesis, Springer Berlin, 2007. http://hdl.handle.net/2237/11067.

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名古屋大学博士学位論文 学位の種類:博士(医療技術学)(課程) 学位授与年月日:平成19年3月23日
"Daytime polysomnography and portable recording device for diagnosis and CPAP therapy in patients with obstructive sleep apnea syndrome" Sleep and Breathing, v.11, n.2 (2007) pp.109-115 を、博士論文として提出したもの。
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Steger, Stephen Andrew. "Mechanical design of PlayLamp : a minimally intrusive device for recording the behavior of children at-risk of developmental disorders." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/45308.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2008.
Includes bibliographical references (leaf 35).
This thesis paper documents the design process, decisions, and outcomes of the design of the physical form factor of PlayLamp, a device for video and audio recording the development of children at-risk of having developmental disorders in development at MIT's Media Lab Cognitive Machines Group. The physical form of PlayLamp is intended to be non-intrusive and have easy non-destructive installation while being aesthetically appealing and respectful of privacy. The end goal is to use the recorded information to develop computer models of behavioral patterns associated with these disorders.
by Stephen Andrew Steger.
S.B.
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Books on the topic "Recording device"

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United States. Congress. Senate. Committee on the Judiciary. Online entertainment and copyright law: Coming soon to a digital device near you : hearing before the Committee on the Judiciary, United States Senate, One Hundred Seventh Congress, first session, April 3, 2001. Washington: U.S. G.P.O., 2002.

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Seminar, ITA (Organization) Membership Meeting &. Update. "The current status and future trends in magnetic and optical media recording": Proceedings, 1993 annual ITA Membership Meeting & Update Seminar, New York, New York, November 16, 1993. New York: ITA, 1993.

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Warlick, William T. Computer software and other recorded media. Washington, DC: Office of Industries, U.S. International Trade Commission, 1995.

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ITA (Organization). Membership Meeting & Update Seminar. "The current status and future trends in magnetic and optical recording media": Proceedings, 1994 annual ITA Membership Meeting & Update Seminar, New York, New York, November 22, 1994. New York: ITA, 1994.

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Marchant, Alan B. Optical recording: A technical overview. Reading, Mass: Addison-Wesley, 1990.

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Watkinson, John. The art of data recording. Oxford: Focal Press, 1994.

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Hoagland, Albert S. Digital magnetic recording. 2nd ed. New York: Wiley, 1991.

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E, Monson James, ed. Digital magnetic recording. Malabar, Fla: Krieger Pub. Co., 1998.

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Mansuripur, Masud. The physical principles of magneto-optical recording. Cambridge: Cambridge University Press, 1995.

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The physics of optical recording. Berlin: Springer-Verlag, 1993.

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Book chapters on the topic "Recording device"

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Borton, D. A., Y. K. Song, W. R. Patterson, C. W. Bull, S. Park, F. Laiwalla, J. P. Donoghue, and A. V. Nurmikko. "Implantable Wireless Cortical Recording Device for Primates." In IFMBE Proceedings, 384–87. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03889-1_103.

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Borton, D. A., Y. K. Song, W. R. Patterson, C. W. Bull, S. Park, F. Laiwalla, J. P. Donoghue, and A. V. Nurmikko. "Implantable Wireless Cortical Recording Device for Primates." In IFMBE Proceedings, 588–91. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03889-1_158.

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Vo, Thong Tri, Nam Phuong Nguyen, and Toi Vo Van. "WEEGEE: Wireless 8-Channel EEG Recording Device." In 6th International Conference on the Development of Biomedical Engineering in Vietnam (BME6), 621–25. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4361-1_106.

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Grzechca, D., D. Komorowski, and S. Pietraszek. "A Universal Wireless Device for Biomedical Signals Recording." In Pervasive and Mobile Sensing and Computing for Healthcare, 157–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-32538-0_7.

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Bisoni, Lorenzo, Enzo Mastinu, and Massimo Barbaro. "A Wearable Device for High-Frequency EEG Signal Recording." In Biomedical Engineering Systems and Technologies, 60–74. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-27707-3_5.

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Platkiewicz, Jonathan, Alessandro Mansutti, Monica Bordegoni, and Vincent Hayward. "Recording Device for Natural Haptic Textures Felt with the Bare Fingertip." In Haptics: Neuroscience, Devices, Modeling, and Applications, 521–28. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-44193-0_65.

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Song, Weiguo, Yongling Wang, Jie Chai, Qiang Li, Kui Yuan, and Taizhen Han. "A Wireless Miniature Device for Neural Stimulating and Recording in Small Animals." In Lecture Notes in Computer Science, 884–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11881223_113.

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Cho, Ji Hee, Gao Huile, and Eui-Chul Jung. "Dr. Loupe: Development of Iris Recognition Paramedic Diagnosis and Recording IoT Device." In Advances in Intelligent Systems and Computing, 191–202. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-94601-6_21.

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Coremans, J., H. Vermariën, F. Vereecke, and R. H. Bourgain. "Assessment of the in Vivo Recording of Local Cerebral Blood Flow Using a Thermistor Device." In Advances in Experimental Medicine and Biology, 139–48. Boston, MA: Springer US, 1985. http://dx.doi.org/10.1007/978-1-4684-3291-6_14.

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Canales, Jimena. "Recording Devices." In A Companion to the History of Science, 500–514. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781118620762.ch35.

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Conference papers on the topic "Recording device"

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Lemke, J. U. "Magnetic Recording Device Evolution." In 1993 Digests of International Magnetics Conference. IEEE, 1993. http://dx.doi.org/10.1109/intmag.1993.642132.

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Kiyashko, S. D., Alexander M. Kamuz, E. U. Ovsyannikov, Pavel F. Oleksenko, and Oksana N. Stril'chuk. "Monolithic integrated optical device." In Holography, Correlation Optics, and Recording Materials, edited by Oleg V. Angelsky. SPIE, 1993. http://dx.doi.org/10.1117/12.165424.

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Edward, Epsy S., Abbas Z. Kouzani, Julian Berk, and Susannah J. Tye. "A miniature neural recording device." In 2016 IEEE International Conference on Industrial Technology (ICIT). IEEE, 2016. http://dx.doi.org/10.1109/icit.2016.7474892.

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Fedorov, Vladimir, Oleg Makarevich, and Dmitry Rublev. "Methods of digital recording device identification." In 2010 4th International Conference on Application of Information and Communication Technologies (AICT). IEEE, 2010. http://dx.doi.org/10.1109/icaict.2010.5612036.

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Filomena, Eduardo, and Julio Aldonate. "Portable wireless device for biopotential recording." In 2013 Fourth Argentine Symposium and Conference on Embedded Systems (SASE/CASE). IEEE, 2013. http://dx.doi.org/10.1109/sase-case.2013.6636775.

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Tsai, Yi-Pei, Jiaw-Ren Shih, Ya-Chin King, and Chrong Jung Lin. "7nm FinFET Plasma Charge Recording Device." In 2018 IEEE International Electron Devices Meeting (IEDM). IEEE, 2018. http://dx.doi.org/10.1109/iedm.2018.8614520.

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Prilepov, Roman S., Teodosie I. Pasechnic, and Lev M. Panasiuk. "Optical device based on thermoplastic recording." In SPIE's 5th Annual International Symposium on Nondestructive Evaluation and Health Monitoring of Aging Infrastructure, edited by Ajit K. Mal. SPIE, 2000. http://dx.doi.org/10.1117/12.385015.

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Kryuchin, Andrey A., Viacheslav V. Petrov, and Igor O. Kostenko. "Optical information recording on metal-polymeric films." In Electronic Imaging Device Engineering, edited by Leo Beiser and Reimar K. Lenz. SPIE, 1993. http://dx.doi.org/10.1117/12.165191.

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Petrov, Viacheslav V., Vladislav I. Zimenko, and Vasyliy G. Kravets. "Recording media on materials with electron capture." In Electronic Imaging Device Engineering, edited by Leo Beiser and Reimar K. Lenz. SPIE, 1993. http://dx.doi.org/10.1117/12.165192.

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Lasure, Roeland, and Jan M. Van Campenhout. "Parallel image generation for fast laser recording." In Electronic Imaging Device Engineering, edited by Leo Beiser and Reimar K. Lenz. SPIE, 1993. http://dx.doi.org/10.1117/12.165209.

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Reports on the topic "Recording device"

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Khizroev, Sakhrat, Roman Chomko, Yazan Hijazi, and Nissim Amos. Three-Dimensional Magnetic Recording Device. Fort Belvoir, VA: Defense Technical Information Center, December 2004. http://dx.doi.org/10.21236/ada434257.

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Martinez, Jayson J., Joshua R. Myers, Thomas J. Carlson, Zhiqun Deng, John S. Rohrer, and Kurt A. Caviggia. Design and implementation of an underwater sound recording device. Office of Scientific and Technical Information (OSTI), September 2011. http://dx.doi.org/10.2172/1051997.

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Author, Not Given. Development of an In-Situ Monitoring/Recording Device for Aqueous Processes. Office of Scientific and Technical Information (OSTI), April 2002. http://dx.doi.org/10.2172/799511.

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Halligan, Matthew S., Steven L. Grant, and Daryl G. Beetner. Susceptibility study of audio recording devices to electromagnetic stimulations. Office of Scientific and Technical Information (OSTI), February 2014. http://dx.doi.org/10.2172/1204076.

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Kuznetsov, Victor, Vladislav Litvinenko, Egor Bykov, and Vadim Lukin. A program for determining the area of the object entering the IR sensor grid, as well as determining the dynamic characteristics. Science and Innovation Center Publishing House, April 2021. http://dx.doi.org/10.12731/bykov.0415.15042021.

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Currently, to evaluate the dynamic characteristics of objects, quite a large number of devices are used in the form of chronographs, which consist of various optical, thermal and laser sensors. Among the problems of these devices, the following can be distinguished: the lack of recording of the received data; the inaccessibility of taking into account the trajectory of the object flying in the sensor area, as well as taking into consideration the trajectory of the object during the approach to the device frame. The signal received from the infrared sensors is recorded in a separate document in txt format, in the form of a table. When you turn to the document, data is read from the current position of the input data stream in the specified list by an argument in accordance with the given condition. As a result of reading the data, it forms an array that includes N number of columns. The array is constructed in a such way that the first column includes time values, and columns 2...N- the value of voltage . The algorithm uses cycles that perform the function of deleting array rows where there is a fact of exceeding the threshold value in more than two columns, as well as rows where the threshold level was not exceeded. The modified array is converted into two new arrays, each of which includes data from different sensor frames. An array with the coordinates of the centers of the sensor operation zones was created to apply the Pythagorean theorem in three-dimensional space, which is necessary for calculating the exact distance between the zones. The time is determined by the difference in the response of the first and second sensor frames. Knowing the path and time, we are able to calculate the exact speed of the object. For visualization, the oscillograms of each sensor channel were displayed, and a chronograph model was created. The chronograph model highlights in purple the area where the threshold has been exceeded.
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Mayas, Magda. Creating with timbre. Norges Musikkhøgskole, August 2018. http://dx.doi.org/10.22501/nmh-ar.686088.

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Unfolding processes of timbre and memory in improvisational piano performance This exposition is an introduction to my research and practice as a pianist, in which I unfold processes of timbre and memory in improvised music from a performer’s perspective. Timbre is often understood as a purely sonic perceptual phenomenon. However, this is not in accordance with a site-specific improvisational practice with changing spatial circumstances impacting the listening experience, nor does it take into account the agency of the instrument and objects used or the performer’s movements and gestures. In my practice, I have found a concept as part of the creating process in improvised music which has compelling potential: Timbre orchestration. My research takes the many and complex aspects of a performance environment into account and offers an extended understanding of timbre, which embraces spatial, material and bodily aspects of sound in improvised music performance. The investigative projects described in this exposition offer a methodology to explore timbral improvisational processes integrated into my practice, which is further extended through collaborations with sound engineers, an instrument builder and a choreographer: -experiments in amplification and recording, resulting in Memory piece, a series of works for amplified piano and multichannel playback - Piano mapping, a performance approach, with a custom-built device for live spatialization as means to expand and deepen spatio-timbral relationships; - Accretion, a project with choreographer Toby Kassell for three grand pianos and a pianist, where gestural approaches are used to activate and compose timbre in space. Together, the projects explore memory as a structural, reflective and performative tool and the creation of performing and listening modes as integrated parts of timbre orchestration. Orchestration and choreography of timbre turn into an open and hybrid compositional approach, which can be applied to various contexts, engaging with dynamic relationships and re-configuring them.
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Bao, Jieyi, Xiaoqiang Hu, Cheng Peng, Yi Jiang, Shuo Li, and Tommy Nantung. Truck Traffic and Load Spectra of Indiana Roadways for the Mechanistic-Empirical Pavement Design Guide. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317227.

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The Mechanistic-Empirical Pavement Design Guide (MEPDG) has been employed for pavement design by the Indiana Department of Transportation (INDOT) since 2009 and has generated efficient pavement designs with a lower cost. It has been demonstrated that the success of MEPDG implementation depends largely on a high level of accuracy associated with the information supplied as design inputs. Vehicular traffic loading is one of the key factors that may cause not only pavement structural failures, such as fatigue cracking and rutting, but also functional surface distresses, including friction and smoothness. In particular, truck load spectra play a critical role in all aspects of the pavement structure design. Inaccurate traffic information will yield an incorrect estimate of pavement thickness, which can either make the pavement fail prematurely in the case of under-designed thickness or increase construction cost in the case of over-designed thickness. The primary objective of this study was to update the traffic design input module, and thus to improve the current INDOT pavement design procedures. Efforts were made to reclassify truck traffic categories to accurately account for the specific axle load spectra on two-lane roads with low truck traffic and interstate routes with very high truck traffic. The traffic input module was updated with the most recent data to better reflect the axle load spectra for pavement design. Vehicle platoons were analyzed to better understand the truck traffic characteristics. The unclassified vehicles by traffic recording devices were examined and analyzed to identify possible causes of the inaccurate data collection. Bus traffic in the Indiana urban areas was investigated to provide additional information for highway engineers with respect to city streets as well as highway sections passing through urban areas. New equivalent single axle load (ESAL) values were determined based on the updated traffic data. In addition, a truck traffic data repository and visualization model and a TABLEAU interactive visualization dashboard model were developed for easy access, view, storage, and analysis of MEPDG related traffic data.
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