Academic literature on the topic 'Audio circuits'

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Journal articles on the topic "Audio circuits"

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Aladdin Bayramov, Lala Bekirova, Aladdin Bayramov, Lala Bekirova. "MATHEMATICAL MODELING OF THE OPERATION OF AUDIO FREQUENCY (NO JUNCTION) AND JUNCTION RAIL CIRCUITS." PIRETC-Proceeding of The International Research Education & Training Centre 24, no. 03 (2023): 49–55. http://dx.doi.org/10.36962/piretc24032023-49.

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Rail circuits are the basic elements of modern railway automation and telemechanics systems, performing the functions of track sensors and telemechanical channels. It is shown that the calculation of their operating boundary conditions becomes more complicated with the application of junctionless audio frequency rail circuits. The analysis of track circuits consists of studying the changes in their operation in various modes when the circuit parameters are changed. During the analysis, the optimal values of the parameters of the circuit elements and the frequency of the power source are determ
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G.W.A.D. "Audio IC circuits manual." Microelectronics Reliability 29, no. 4 (1989): 644. http://dx.doi.org/10.1016/0026-2714(89)90356-9.

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V., I. Havryliuk, M. Voznyak O., and V. Meleshko V. "IMPROVING THE POSITIONING ACCURACY OF TRAIN ON THE APPROACH SECTION TO THE RAILWAY CROSSING." Science and Transport Progress. Bulletin of Dnipropetrovsk National University of Railway Transport, no. 1(61) (February 25, 2016): 9–18. https://doi.org/10.15802/stp2016/60936.

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<strong>Purpose.&nbsp;</strong>In the paper<strong>&nbsp;</strong>it is<strong>&nbsp;</strong>necessary to analyze possibility of improving the positioning accuracy of train on the approach section to crossing for traffic safety control at railway crossings.&nbsp;<strong>Methodology</strong>. Researches were performed using developed mathematical model, describing dependence of the input impedance of the coded and audio frequency track circuits on a train coordinate at various values of ballast isolation resistances and for all usable&nbsp;frequencies.<strong>&nbsp;Findings</strong>. The paper
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Falkowski, Piotr, and Andrzej Malcher. "Dynamically Programmable Analog Arrays in Acoustic Frequency Range Signal Processing." Metrology and Measurement Systems 18, no. 1 (2011): 77–90. http://dx.doi.org/10.2478/v10178-011-0008-1.

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Dynamically Programmable Analog Arrays in Acoustic Frequency Range Signal ProcessingField programmable analog arrays (FPAA), thanks to their flexibility and reconfigurability, give the designers quite new possibilities in analog circuit design. The number of both academic projects on FPAA and applications of commercially available programmable devices is still growing. This paper explores the properties and parameters of two most popular FPAA circuits: the AnadigmVortex AN221E04 and AnadigmApex AN231E04 from the Anadigm company. The research conducted by the authors led to the discovery of som
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Saiapina, Inna, Mykhailo Babaiev, and Olha Аnanіevа. "Reducing noise influence on an audio frequency track circuit." MATEC Web of Conferences 294 (2019): 03015. http://dx.doi.org/10.1051/matecconf/201929403015.

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In connection with electromagnetic interference influence on the track circuits, the purpose of the research is finding the means to increase the noise immunity of an audio frequency track circuit. The authors propose a new engineering solution, which enables reducing the effect of noises on the input of the track receiver in the intervals between signal current pulses. The proposed noise-immune audio frequency track circuit is based on inserting a delay line, an adjustable single-pulse generator and a controlled electronic switch into the existing audio frequency track circuit equipment. To a
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Saiapina, I., O. Gorobсhenko, V. Demchenko, and Y. Stompel. "SIMULATION AND INTELLECTUAL ANALYSIS OF AUDIO FREQUENCY TRACK CIRCUIT PARAMETERS." Collection of scientific works of the State University of Infrastructure and Technologies series "Transport Systems and Technologies", no. 39 (June 30, 2022): 167–74. http://dx.doi.org/10.32703/2617-9040-2022-39-16.

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To improve the method of increasing the noise immunity of a audio frequency track circuit, based on cutting out interference in the intervals between useful signal pulses, an analysis was made of fluctuations in the signal transit time in the transmission path of a audio frequency track circuit depending on its operation parameters: signal current frequency, rail line length, insulation resistance and ambient temperature. For this, a simulation model of the operation of a audio frequency track circle has been developed. Based on the simulation results, a relational database was created with th
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Knight-Percival, Alexander, Christopher Johnson, Benjamin Richards, Scott Palmer, and Nicholas Bowring. "Mapping of the electromagnetic environment on the railway: Condition monitoring of signalling assets." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 234, no. 3 (2018): 246–56. http://dx.doi.org/10.1177/0954409718802998.

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Conventional track circuit condition monitoring systems are fixed at the wayside, with each installation reporting on a single track circuit. In this work, we present a custom-built, sensitive, magnetic field detection system, which can be fitted to the underside of a rail vehicle. With this system installed, some characteristics of an operating track circuit can be monitored from the vehicle whilst it is in motion. By using appropriate analysis techniques, it is possible to identify the signatures of equipment relating to audio frequency track circuits, the topic of this work. Analysing the s
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Blessed Olalekan, Oyebola. "Sallen-Key Topology, MFB and Butterworthy in Bandpass Design for Audio Circuit Design." Asian Journal of Electrical Sciences 6, no. 1 (2017): 23–28. http://dx.doi.org/10.51983/ajes-2017.6.1.1992.

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This paper succinctly studied active filter topologies: Sallen-key circuit, MFB and Butterworth in band pass design for audio circuits. It has been able to identify distinctive suitable features with applications in audio frequencies range. The work also serves as a foundational study for an advanced work on active audio filters. Sallen-Key pluses with quality factor (Q) that can be varied via the inner gain (G) without modifying the mid frequency (fm). Notably, the Q and Am cannot be adjusted independently. Butterworth, maximally flat magnitude response in the pass band, has monotonic amplitu
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Ogunseye, Abiodun, and Olamide Omolara Olusanya. "Design and Simulation of a Microcontroller Based Loudspeaker Protection System Against Amplifier Direct Current (D.C) Offsets." Journal of Communications Technology, Electronics and Computer Science 8 (November 3, 2016): 12. http://dx.doi.org/10.22385/jctecs.v8i0.122.

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A number of failure mechanisms can result in the damage of loudspeakers that are directly connected to an audio power amplifier system. One of such failure modes occurs when the amplifier circuit develops an output d.c voltage, in which case, the loudspeaker coil will be damaged by overheating. D.c offset detection circuits, usually based on simple transistor circuits are normally used to protect the loudspeaker against this failure mode. However, as effective as they are, these circuits can fail in ways that can result in loudspeaker damage. In this work, a microcontroller based circuit that
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Hashemifar, Seyed Mohammad. "Design of a Single-Core Digital-to-Analog Converter with Ultra-Wideband and Low Power Consumption for CUWB-IR Applications." Tehnički glasnik 16, no. 3 (2022): 311–14. http://dx.doi.org/10.31803/tg-20220405104325.

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Data converters are intermediate circuits used to connect between two analog and digital ranges. Data converters are not only used for converting audio into a microphone or speaker, but also for converting audio into a camera or display, transferring information to a computer or digital signal processor. At these times, the need for data converters is not invested in every aspect of life. Digital to analog converters is a leading part of these converters, which are widely used in most audio and video circuits. In this thesis, we have proposed a 4-bit 1GS/s DAC for CUWB-IR usage. To enhance the
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Dissertations / Theses on the topic "Audio circuits"

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Eichas, Felix [Verfasser]. "System Identification of Nonlinear Audio Circuits / Felix Eichas." Hamburg : Helmut-Schmidt-Universität, Bibliothek, 2020. http://d-nb.info/1212811860/34.

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Johnson, James Robert. "Interface design for an audio based information retrieval system." Master's thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-05042010-020011/.

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Najnudel, Judy. "Power-Balanced Modeling of Nonlinear Electronic Components and Circuits for Audio Effects." Electronic Thesis or Diss., Sorbonne université, 2022. http://www.theses.fr/2022SORUS223.

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Cette thèse porte sur la modélisation de composants électroniques non linéaires pour la simulation de circuits analogiques audio. Notre but est de proposer des modèles à la fois assez sophistiqués pour que les simulations sonnent de façon réaliste, et assez simples pour permettre le temps réel. À cette fin, nous explorons deux approches, toutes deux fondées sur le formalisme des Systèmes Hamiltoniens à Ports (SHP). En effet, ce formalisme préserve la passivité et le bilan de puissance du système, ce qui, couplé à des méthodes numériques ad hoc, garantit la stabilité des simulations. La premièr
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Yengui, Firas. "Contribution aux méthodologies et outils d’aide à la conception de circuits analogiques." Thesis, Lyon, INSA, 2013. http://www.theses.fr/2013ISAL0098/document.

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A la différence de la conception numérique, la conception analogique souffre d’un réel retard au niveau de la solution logicielle qui permet une conception à la fois rapide et fiable. Le dimensionnement de circuits analogiques exige en effet un nombre assez élevé de simulations et de vérifications et dépend beaucoup de l’expertise du concepteur. Pour pallier à ce retard, des outils de conception automatique basés sur des algorithmes d’optimisation locale et globale sont développés. Ces outils restent encore immatures car ils n’offrent que des réponses partielles aux questions du dimensionnemen
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Müller, Rémy. "Time-continuous power-balanced simulation of nonlinear audio circuits : realtime processing framework and aliasing rejection." Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS453.

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Cette thèse s'intéresse à la simulation temps-réel de circuit audio nonlinéaires. Dans cette thèse, nous utilisons le formalisme des systèmes Hamiltoniens à ports (SHP) pour garantir le bilan de puissance et la passivité. De plus, nous adoptons un cadre fonctionnel à temps continu pour représenter des signaux "analogiques virtuels" et nous proposons d'approximer les solutions par projection sur des trames temporelles. En tant que résultat principal, nous établissons une condition suffisante sur les projecteurs de sorte à obtenir des trajectoires à bilan de puissance garanti. Notre but est doub
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Asar, Sita Madhu. "An Audio Processing System as an Example of Modern Circuit Board Design." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1480588012253634.

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Lin, Li-Yang. "VLSI implementation for MPEG-1/Audio Layer III chip : bitstream processor - low power design /." [St. Lucia, Qld.], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18396.pdf.

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González, Santos Ángel de Dios. "Circuits de traitement de signal numérique en temps continu ultra-faible consommation en technologie 28nm FDSOI pour applications audio." Thesis, Lille 1, 2020. http://www.theses.fr/2020LIL1I047.

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L’objectif de ce travail c’est l’étude et développement d’un système d’extraction des caractéristiques en utilisant techniques de traitement de signal en temps continu, afin de mitiger les inconvénients des implémentations existants basées en techniques analogiques et numériques conventionnelles, d’un système toujours en veille pour l’Internet des Objets. La cible est l’extraction du contenu spectral d’un signal audio en utilisant une nouvelle architecture basée en une cascade configurable de filtres à réponse impulsionnelle fini en temps continu. Un schéma efficace pour cascader des filtres e
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Zhao, Yue. "Independent Component Analysis Enhancements for Source Separation in Immersive Audio Environments." UKnowledge, 2013. http://uknowledge.uky.edu/ece_etds/34.

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In immersive audio environments with distributed microphones, Independent Component Analysis (ICA) can be applied to uncover signals from a mixture of other signals and noise, such as in a cocktail party recording. ICA algorithms have been developed for instantaneous source mixtures and convolutional source mixtures. While ICA for instantaneous mixtures works when no delays exist between the signals in each mixture, distributed microphone recordings typically result various delays of the signals over the recorded channels. The convolutive ICA algorithm should account for delays; however, it re
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Li, Ye-Ming. "A design methodology for low phase noise in LC tuned CMOS voltage-controlled oscillators." Diss., Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/14896.

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Books on the topic "Audio circuits"

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Bishop, Graham. Audio Circuits and Projects. Macmillan Education UK, 1985. http://dx.doi.org/10.1007/978-1-349-07404-4.

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Bishop, Graham. Audio circuits and projects. Macmillan, 1985.

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Associates, Derivation and Tabulation, ed. Audio/video integrated circuits. 7th ed. D.A.T.A. Inc, 1988.

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Institution of Electrical Engineers. Electronics Division. and Institution of Electrical Engineers. Professional Group E10., eds. Colloquium on "Audio DSP - circuits and systems". Institution of Electrical Engineers, 1993.

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Brindley, Keith. Audio IC projects. BH Newnes, 1994.

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Hood, John Linsley. Audio electronics. BH Newnes, 1995.

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Berkhout, Marco. Integrated Audio Amplifiers in BCD Technology. Springer US, 1997.

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Marston, R. M. Audio IC users' handbook. Newnes, 1997.

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Berkhout, Marco. Integrated audio amplifiers in BCD technology. Kluwer Academic Publishers, 1997.

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Bengler, Ben. The audio mixer as creative tool in musical composition and performance. Institut für elektronische Musik, 2011.

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Book chapters on the topic "Audio circuits"

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Robinson, Kevin. "Constructing Circuits." In Practical Audio Electronics. Focal Press, 2020. http://dx.doi.org/10.4324/9780429343056-10.

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Robinson, Kevin. "Integrated Circuits." In Practical Audio Electronics. Focal Press, 2020. http://dx.doi.org/10.4324/9780429343056-18.

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Winer, Ethan. "Professional Audio Circuits." In The Audio Circuits Cookbook. Focal Press, 2025. https://doi.org/10.4324/9781003512042-9.

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Bishop, Graham. "Disco Circuits." In Audio Circuits and Projects. Macmillan Education UK, 1985. http://dx.doi.org/10.1007/978-1-349-07404-4_6.

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Bishop, Graham. "Music Circuits." In Audio Circuits and Projects. Macmillan Education UK, 1985. http://dx.doi.org/10.1007/978-1-349-07404-4_7.

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Winer, Ethan. "Synthesizer Circuits." In The Audio Circuits Cookbook. Focal Press, 2025. https://doi.org/10.4324/9781003512042-10.

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Bishop, Graham. "Audio Amplifiers." In Audio Circuits and Projects. Macmillan Education UK, 1985. http://dx.doi.org/10.1007/978-1-349-07404-4_2.

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Berkhout, Marco. "Chargepump Circuits." In Integrated Audio Amplifiers in BCD Technology. Springer US, 1997. http://dx.doi.org/10.1007/978-1-4615-6083-8_3.

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Buono, Robert N. "Input Circuits." In Class-D Audio Power Amplifier Design. Focal Press, 2025. https://doi.org/10.4324/9781003327943-2.

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Bishop, Graham. "Noise and Rhythm Circuits." In Audio Circuits and Projects. Macmillan Education UK, 1985. http://dx.doi.org/10.1007/978-1-349-07404-4_5.

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Conference papers on the topic "Audio circuits"

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Fernandes, Roshan, Akshata D. Bhat, Adithya Rao K, et al. "Audio Dub Detection Using Machine Learning." In 2024 IEEE International Conference on Distributed Computing, VLSI, Electrical Circuits and Robotics (DISCOVER). IEEE, 2024. http://dx.doi.org/10.1109/discover62353.2024.10750616.

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Li, S., S. Javvaji, V. Pecanins-Martinez, E. Aydin, R. van Veldhoven та K. A. A. Makinwa. "A Beyond-the-rail Audio CTΔΣM with a Passive Input Stage and 99.2dB SNDR". У 2024 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits). IEEE, 2024. http://dx.doi.org/10.1109/vlsitechnologyandcir46783.2024.10631367.

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Coelho, P., J. M. do Amaral, E. N. Da Rocha, and M. Bentes. "Audio Circuits Evolution through Genetic Algorithms." In 24th International Conference on Enterprise Information Systems. SCITEPRESS - Science and Technology Publications, 2022. http://dx.doi.org/10.5220/0011062500003179.

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Ryu, Jeong, Suk Yoon, Myung Sunwoo, and Jong Moon. "Audio-Specific Signal Processor(ASSP) for High-Quality Audio Codec." In 2005 IEEE Asian Solid-State Circuits Conference. IEEE, 2005. http://dx.doi.org/10.1109/asscc.2005.251757.

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Saade, L., P. Weston, and C. Roberts. "Deep Monitoring of Audio Frequency Track Circuits." In 6th IET Conference on Railway Condition Monitoring (RCM 2014). Institution of Engineering and Technology, 2014. http://dx.doi.org/10.1049/cp.2014.1014.

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Weston, P. F., J. Chen, E. Stewart, and C. Roberts. "Condition monitoring of audio frequency track circuits." In IET International Conference on Railway Engineering 2008 (ICRE 2008). IEE, 2008. http://dx.doi.org/10.1049/ic:20080025.

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Cho, Minchang, Sechang Oh, Seokhyeon Jeong та ін. "A 6×5×4mm3 general purpose audio sensor node with a 4.7μW audio processing IC". У 2017 Symposium on VLSI Circuits. IEEE, 2017. http://dx.doi.org/10.23919/vlsic.2017.8008521.

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Frith, P. J. "Audio Processor Integrated Circuit for Cellular Radios." In Fourteenth European Solid-State Circuits Conference. IEEE, 1988. http://dx.doi.org/10.1109/esscirc.1988.5468252.

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Karimov, T. I., D. N. Butusov, and A. I. Karimov. "Computer simulation of audio circuits with vacuum tubes." In 2016 XIX IEEE International Conference on Soft Computing and Measurements (SCM). IEEE, 2016. http://dx.doi.org/10.1109/scm.2016.7519700.

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"Session 31 Overview: Audio Amplifiers." In 2022 IEEE International Solid- State Circuits Conference (ISSCC). IEEE, 2022. http://dx.doi.org/10.1109/isscc42614.2022.9731721.

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Reports on the topic "Audio circuits"

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Garcia-Martin, M., and S. Veikkolainen. Session Description Protocol (SDP) Extension for Setting Audio and Video Media Streams over Circuit-Switched Bearers in the Public Switched Telephone Network (PSTN). RFC Editor, 2014. http://dx.doi.org/10.17487/rfc7195.

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