Digital echo chambers: amplifying populist rhetoric in the age of social media
Consideration of the relationship between the inherent design of social media and the rise of echo chambers. The analysis of the detrimental effects of echo chambers on the quality of public debate and the exacerbation of political polarization.
Рубрика | Коммуникации, связь, цифровые приборы и радиоэлектроника |
Вид | статья |
Язык | английский |
Дата добавления | 20.07.2024 |
Размер файла | 49,5 K |
Отправить свою хорошую работу в базу знаний просто. Используйте форму, расположенную ниже
Студенты, аспиранты, молодые ученые, использующие базу знаний в своей учебе и работе, будут вам очень благодарны.
Размещено на http://www.allbest.ru/
Zhytomyr State Technological University
DIGITAL ECHO CHAMBERS: AMPLIFYING POPULIST RHETORIC IN THE AGE OF SOCIAL MEDIA
D.V. Garaschuk Postgraduate student
Department of International
Relations and Political Management
The critical problem of echo chambers on digital platforms reinforcing pre-existing views and amplifying populist rhetoric has become critical, presenting significant challenges for democratic discourse and public engagement. This issue is deeply interconnected with vital scientific and practical tasks, such as enhancing media literacy, promoting diverse viewpoints, and understanding the impact of social media algorithms on political opinions. The phenomenon raises important questions about the integrity of democratic processes and the health of public discourse in the digital age, necessitating a comprehensive approach to fostering open, inclusive online environments and ensuring a well-informed public. Through analyzing recent research and identifying gaps in the literature, we can dissect the relationship between digital echo chambers and populist rhetoric, assess their implications for democracy, and propose effective strategies for mitigating their negative impacts.
The article builds upon a foundation of recent research that explores the dynamics of social media, digital echo chambers, and their relationship with populist movements. In echo chambers, insights from Eli Pariser, Cass Sunstein, Robert Epstein, Kathleen Hall Jamieson, and Yochai Benkler are pivotal. Filter bubbles are explored through the research of Safiya Umoja Noble, Shoshana Zuboff, Danah Boyd, and James Surowiecki. The dynamics of populism in the digital era are dissected with contributions from Cas Mudde, Pippa Norris, Jose van Dijck, Martijn de Lange, and Jean Paul Lederer. Confirmation bias and the psychology behind echo chambers are illuminated by Sandra L. Calvert and Robert W. Gehl, respectively. Seyyed Ali Mostafazadeh's work on detecting online echo chambers and Margaret Bartley's examination of emotional appeals by populist politicians on social media further enrich the analysis. Additionally, Zeynep Tufekci and Ethan Zuckerman offer overarching perspectives on the intersection of technology, society, and politics, highlighting the role of digital platforms in shaping public discourse.
The primary objectives of the article are to dissect the relationship between digital echo chambers and the amplification of populist rhetoric, to assess the implications for democratic engagement, and to propose strategies for mitigating the negative impacts of echo chambers. The article aims to contribute to the broader discourse on digital media's role in shaping political narratives and to offer insights into fostering a more inclusive and diverse online environment.
The rise of social media has significantly transformed political discourse, introducing complex dynamics such as echo chambers and the amplification of populist rhetoric. As these digital platforms become increasingly entwined with daily life, their impact on public opinion and democratic processes becomes more pronounced, demanding a nuanced understanding of their effects. This shift necessitates a comprehensive examination of how online interactions shape political beliefs and actions, underscoring the importance of dissecting the mechanisms through which social media platforms can both divide and unite. The evolving nature of digital communication invites a critical analysis of its implications for societal cohesion and the health of democratic dialogue, highlighting the urgent need for informed approaches to navigate this new reality.
Echo chambers can be described as environments in which individuals are primarily exposed to information, ideas, and opinions that align with their existing beliefs and values. These chambers are characterized by the reinforcement of preexisting views and the exclusion of contradictory or opposing perspectives. They form on digital platforms through algorithms that prioritize content based on users' previous interactions and preferences, creating a personalized information landscape that can isolate individuals from diverse viewpoints [1].
Populism, on the other hand, is a political approach that emphasizes the interests and concerns of ordinary people, often by depicting a struggle between "the people" and "the elite". Social media serves as a fertile ground for populist messages due to its ability to disseminate information rapidly and on a massive scale. The interactive nature of social media platforms also allows for the direct communication of populist rhetoric with the potential to resonate with a large audience [2]. These qualities of social media contribute to the amplification of populist messages and the formation of echo chambers, where individuals are more likely to encounter and be influenced by populist narratives.
Social media algorithms play a crucial role in shaping the content that users encounter on their feeds. These algorithms analyze users' behavior, such as the posts they engage with, the pages they follow, and the content they share, in order to create personalized information bubbles. By prioritizing content that aligns with users' preferences, these algorithms inadvertently limit exposure to diverse viewpoints and alternative perspectives. For instance, if a user consistently interacts with posts that espouse populist ideologies, the algorithm will recognize this pattern and continue to surface similar content on the user's feed. Over time, this creates a feedback loop, reinforcing the user's existing beliefs and shielding them from dissenting opinions. As a result, individuals become less likely to encounter content that challenges their worldview, thereby deepening their immersion in echo chambers that amplify populist rhetoric [3].
Furthermore, the phenomenon of algorithmic personalization extends beyond individual user experiences to encompass entire communities and societal segments. As like-minded individuals engage with and share similar content, social media algorithms may unintentionally contribute to the segmentation of society into distinct ideological enclaves [4]. This segmentation not only limits exposure to diverse viewpoints but also fosters polarization and exacerbates the amplification of populist rhetoric within these segmented communities. Users' preferences for information that aligns with their existing beliefs reinforce echo chambers through selective exposure and confirmation bias. Selective exposure refers to individuals' tendency to seek out information that confirms their pre-existing beliefs while avoiding contradictory viewpoints. In the context of social media, users are more likely to engage with content that resonates with their ideologies, leading to the proliferation of populist rhetoric within their echo chambers.
Confirmation bias further amplifies the effects of selective exposure by causing individuals to interpret and remember information in a way that confirms their beliefs. When users encounter content that aligns with their preconceived notions, they are more inclined to accept it as valid and memorable, reinforcing their existing perspectives. Conversely, conflicting information may be disregarded or dismissed, perpetuating the echo chamber effect and strengthening the hold of populist narratives within these digital environments [5]. As users engage with content that reinforces their beliefs, social media algorithms continue to prioritize similar content, perpetuating the cycle of selective exposure and confirmation bias. This process sustains the formation and amplification of echo chambers, where individuals are insulated from diverse viewpoints and immersed in a digital landscape that reinforces populist rhetoric.
The interplay of selective exposure and confirmation bias within the context of social media creates a fertile ground for the amplification of populist messages, contributing to the polarization of online communities and the reinforcement of echo chambers [6]. This phenomenon poses significant implications for societal discourse and democratic processes, as individuals within echo chambers may become increasingly entrenched in their beliefs, hindering meaningful engagement with differing perspectives and impeding the exchange of diverse viewpoints essential to a healthy democracy.
Influencers and content creators play a pivotal role in capitalizing on the echo chamber effect to spread populist messages through social media. Their ability to amass large followings and engage audiences with persuasive content enables them to significantly influence the information landscape within digital echo chambers.
Influencers leverage their credibility and persuasive power to disseminate populist rhetoric to their followers, effectively reinforcing existing beliefs and amplifying the echo chamber effect. By consistently aligning their content with populist ideologies, influencers contribute to the entrenchment of like-minded communities on social media platforms, further limiting exposure to diverse perspectives. This amplifies the echo chamber effect, creating an environment where populist narratives are continuously reinforced and dissenting voices are marginalized [7].
Content creators, through their production of compelling and visually engaging material, also contribute to the proliferation of populist messages within echo chambers. The captivating nature of their content serves to reinforce confirmation bias, as users are more likely to engage with and share visually appealing material that aligns with their existing beliefs [8]. This not only perpetuates the cycle of selective exposure but also enhances the impact of populist rhetoric by making it more memorable and shareable within digital echo chambers.
Furthermore, both influences and content creators often foster a sense of community and belonging among their followers, creating an environment where populist ideologies are embraced and celebrated. This sense of belonging further solidifies the echo chamber effect, as individuals are more inclined to seek out and engage with content that aligns with the established norms and beliefs within their digital communities.
In the United States, the case of Donald Trump's Make America Great Again movement presents a compelling example of the utilization of digital echo chambers to amplify populist rhetoric. Trump's adept use of Twitter allowed him to construct a digital echo chamber that effectively reinforced his supporters' beliefs while shielding them from dissenting perspectives [9]. This contributed to the polarization of online discourse and solidified Trump's position as a dominant voice in the political landscape. Moreover, the MAGA movement's ability to mobilize a dedicated base of followers through social media echo chambers demonstrates the potent influence of digital environments on populist narratives in the U.S.
Trump utilized Twitter as a platform to disseminate populist rhetoric, consistently sharing content that resonated with his base and aligning with their beliefs. By bypassing traditional media, he effectively controlled the narrative within his echo chamber, reinforcing his supporters' existing beliefs and shielding them from dissenting viewpoints [10]. This strategy enabled the MAGA movement to garner widespread support and mobilize a dedicated base of followers. Trump's tweets were widely shared and amplified within his digital echo chamber, solidifying his position as a dominant voice in the political landscape and contributing to the polarization of online discourse [11]. The MAGA movement's success in creating and capitalizing on echo chambers on social media illustrates the significant impact of populist leaders and movements in shaping public sentiment and discourse within digital environments.
In Europe, various populist movements have capitalized on digital echo chambers to propagate their rhetoric. For instance, the Brexit campaign in the United Kingdom leveraged social media echo chambers to disseminate populist messages, contributing to the polarization of opinions and shaping public sentiment [12]. Similarly, populist leaders in countries such as Hungary and Poland have utilized digital echo chambers to reinforce their narratives and mobilize support, leading to significant implications for societal discourse and democratic processes within these countries.
The comparative analysis reveals that while the mechanisms of digital echo chambers are universal, the impact and manifestation of populist rhetoric within these echo chambers vary based on the unique political contexts of different countries [13]. The role of social media influencers and content creators, as well as the strategies employed by populist leaders, play a crucial role in shaping the dynamics of echo chambers and their influence on societal discourse.
In order to mitigate the effects of echo chambers and enhance critical thinking and media literacy among the public, it is imperative to implement initiatives that foster a more discerning and informed digital community. Promoting digital literacy can aid in equipping individuals with the necessary tools to navigate and critically assess the information they encounter online.
Initiating widespread education and awareness campaigns focused on digital literacy and media literacy is crucial. These campaigns can be designed to foster critical thinking skills and encourage individuals to evaluate information from multiple sources. By providing the public with the knowledge and resources to identify misinformation and distinguish credible sources, these initiatives can help combat the influence of echo chambers [14]. Support for fact-checking initiatives is essential in promoting a culture of critical inquiry and verification. Encouraging individuals to fact-check information before accepting and sharing it can significantly reduce the impact of false or misleading narratives within digital echo chambers. Creating accessible platforms for fact-checking services and promoting their use can empower individuals to make more informed judgments about the content they encounter online [15].
Integrating media literacy programs into educational curricula can play a pivotal role in enhancing the public's ability to critically analyze media content. These programs can teach students to deconstruct media messages, identify biases, and understand the mechanisms of echo chambers, thereby equipping them with the skills to navigate the digital landscape with greater discernment [16]. Conducting critical thinking workshops and seminars for the general public can foster a culture of openmindedness and rational inquiry. These workshops can provide participants with tools to recognize logical fallacies, assess the credibility of information, and engage with diverse perspectives, thus mitigating the reinforcement of echo chambers [17].
Encouraging diverse media consumption through advocacy and public awareness efforts is essential for mitigating the effects of echo chambers. Promoting the exploration of multiple viewpoints and sources of information can expose individuals to a wider range of perspectives, thereby reducing the inclination towards selective exposure and the amplification of echo chambers [18].
These initiatives, when implemented systematically, can contribute to the enhancement of critical thinking and media literacy among the public, thereby mitigating the effects of echo chambers and fostering a more informed and discerning digital community.
To disrupt echo chambers and promote diverse content and viewpoints on social media platforms, algorithmic changes are essential. Algorithms can be modified to prioritize the dissemination of content from a wide range of sources, ensuring that users are exposed to diverse perspectives and opinions. By promoting content that challenges existing beliefs and ideologies, social media algorithms can facilitate a more balanced and inclusive digital environment [4].
One approach to disrupting echo chambers is to diversify content recommendations based on user interests and preferences. Rather than solely promoting content that aligns with a user's previous interactions, platforms can actively recommend diverse content from varying perspectives. By exposing users to a broader range of viewpoints, these algorithmic changes can counteract the formation of echo chambers and promote more balanced information consumption.
Algorithmic adjustments can be made to deprioritize content that solely reinforces a user's existing beliefs. By mitigating the propagation of information that aligns closely with a user's preconceptions, platforms can challenge confirmation bias and encourage users to engage with content that may challenge or broaden their perspectives [19]. Platforms can modify their algorithms to incentivize quality discourse and civil engagement by elevating content that fosters respectful debate and constructive dialogue. Promoting content that encourages diverse viewpoints and constructive interactions can contribute to disrupting echo chambers while fostering a healthier online environment for discourse.
Introducing greater transparency in content curation algorithms can enhance user awareness of how content is selected and recommended. By providing insights into the factors shaping content distribution, platforms can empower users to understand the diversity of content available and make more informed choices about the information they consume. In conjunction with algorithmic changes, platform policies play a pivotal role in addressing echo chambers and promoting diverse content and viewpoints. Clear and proactive policies can guide the behavior of users and content creators, shaping the overall discourse on social media platforms [5].
Enforcing stringent policies against misinformation and disinformation is essential for combating the propagation of false narratives within echo chambers. Clear guidelines and robust mechanisms for identifying and addressing misinformation can curtail the detrimental impact of false content on public discourse [20]. Requiring content creators and influencers to disclose the methods used to amplify their content can enhance transparency and accountability. Understanding how content is promoted and amplified can enable users to critically evaluate the information they encounter, contributing to a more informed and diverse digital environment.
Providing users with granular control over content personalization settings can enable them to tailor their content feed while still being exposed to diverse perspectives. Platforms can empower users to customize their experience without inadvertently reinforcing echo chambers [21]. By implementing algorithmic changes and enacting platform policies that prioritize diverse content and viewpoints, social media platforms can actively disrupt echo chambers and contribute to a more inclusive and balanced digital discourse.
In conclusion, it is evident that a multi-faceted approach is necessary to disrupt echo chambers and promote diverse content and viewpoints on social media chambers and promote diverse content consumption on social media platforms. By advocating for diverse media consumption, implementing algorithmic changes, and enacting platform policies, it is possible to mitigate the reinforcement of echo chambers and foster a more informed and discerning digital community. These efforts collectively contribute to the enhancement of critical thinking, media literacy, and openmindedness among the public, ultimately leading to a healthier online environment for diverse discourse and information consumption.
As we look to the future, it is imperative to consider the prospects for further research in this critical area of political communication. The ever-evolving nature of digital technology and its intersection with social dynamics presents a fertile ground for additional studies. Key areas of interest should include exploring the psychological mechanisms that drive individuals toward echo chambers and the roles of cognitive biases in digital content consumption. Investigating the impact of advancements in artificial intelligence and machine learning on echo chamber dynamics and algorithmic transparency will be crucial. Additionally, examining how digital echo chambers manifest across different socio-political contexts and cultures can provide insights into global and regional susceptibilities to populist rhetoric. Developing and evaluating interventions aimed at disrupting these echo chambers, such as through digital literacy programs and algorithmic adjustments, will be vital. Finally, understanding the long-term consequences of echo chambers on democratic processes, including their effects on electoral outcomes and public trust in institutions, demands thorough investigation.
Bibliography
1. Cinelli M., Morales G. D. F., Galeazzi A., Quattrociocchi W., and Starnini M. The echo chamber effect on socialmedia,Proceedingsof the National Academy of Sciences of the United States of America, vol. 118, no. 9, Feb. 2021. DOI: 10.1073/pnas.202330m8.
2. H. G. de Zuniga, K. Koc-Michalska, and A. Rommele. Populism in the era of Twitter: How social media contextualized new insights into an old phenomenon, New Media & Society, vol. 22, no. 4, pp. 585-594, Apr. 2020. DOI: 10.1177/1461444819893978.
3. Kitchens B., Johnson S. L., and Gray P.B. Understanding Echo Chambers and Filter Bubbles: The Impact of Social Media on Diversification and Partisan Shifts in News Consumption. Management Information Systems Quarterly, vol. 44, no. 4, pp. 16191649, Dec. 2020. DOI: 10.25300/misq/2020/16371.
4. Brugnoli E., Cinelli M., Quattrociocchi W., and Scala A. Recursive patterns in online echo chambers, Scientific Reports, vol. 9, no. 1, Dec. 2019. DOI: 10.1038/ s41598-019-56191-7.
5. Abdelzaher T. et al. The Paradox of Information Access: Growing Isolation in the Age of Sharing, arXiv (Cornell University), Apr. 2020, DOI: 10.48550/ arxiv.2004.01967.
6. Westerwick A., Johnson B. K., and KnoblochWesterwick S. Confirmation biases in selective exposure to political online information: Source bias vs. content bias, Communication Monographs, vol. 84, no. 3, pp. 343364, May 2017. DOI: 10.1080/03637751.2016.1272761.
7. Goodwin A., Joseff K., Riedl M. J., Lukito J. and Woolley S. Political Relational Influencers: The Mobilization of Social Media Influencers in the Political Arena”. Feb. 2023. URL: https://ijoc.org/index.php/ ijoc/article/view/18987
8. Tornberg P. Echo chambers and viral misinformation: Modeling fake news as complex contagion, PLOS ONE, vol. 13, no. 9, pp. e0203958-e0203958, Sep. 2018. DOI: 10.1371/journal.pone.0203958.
9. Hendrix G. J. The roles of social media in 21st century populisms: US Presidential campaigns, Revista Teknokultura, vol. 16, no. 1, pp. 1-10, Apr. 2019. DOI: 10.5209/tekn.63098.
10. Guo L., Rohde J. A., and Wu H. D. Who is responsible for Twitter's echo chamber problem? Evidence from 2016 U.S. election networks, Information, Communication & Society, vol. 23, no. 2, pp. 234-251, Jan. 2020, DOI: 10.1080/1369118X.2018.1499793.
11. Wuffle A. Some Insights into Electoral Campaigning in the Age of Trump and Beyond, PS: Political Science & Politics, vol. 54, no. 3, pp. 399-401, Jun. 2021. DOI: 10.1017/s1049096521000378.
12. Gorodnichenko Y., Pham T., and Talavera O. Social media, sentiment and public opinions: Evidence from #Brexit and #USElection, European Economic Review, vol. 136, pp. 103772-103772, Jul. 2021. DOI: 10.1016/j.euroecorev.2021.103772.
13. Boulianne S., Koc-Michalska K., and Bimber B., Right-wing populism, social media and echo chambers in Western democracies, New Media & Society, vol. 22, no. 4, pp. 683-699, Apr. 2020. DOI: 10.1177/1461444819893983.
14. Alfia N., Sumardi S., and Kristina D. Survival Skills in Digital Era: An Integration of Digital Literacy into EFL Classroom, Indonesian journal of EFL and linguistics, vol. 5, no. 2, pp. 435-435, Nov. 2020. DOI: 10.21462/ijefl.v5i2.307.
15. Bailla H. and Yachoulti M. Citizen journalism in Morocco: the case of fact-checkers, Journal of North African Studies, vol. 27, no. 2, pp. 264-295, Sep. 2020. DOI: 10.1080/13629387.2020.1814749.
16. Guess A. M. et al. A digital media literacy intervention increases discernment between mainstream and false news in the United States and India, Proceedings of the National Academy of Sciences of the United States of America, vol. 117, no. 27, pp. 15536-15545, Jun. 2020. DOI: 10.1073/pnas.1920498117.
17. Saxton J. Filter Bubbles & Confirmation Bias - Fake News (and how to fight it)”. Jan. 2017. URL: https://libraryguides.mdc.edu/FakeNews/ FilterBubbles.
18. Resnick P., Garrett R., Kriplean T., Munson S. A., and Stroud N. Bursting your (filter) bubble: strategies for promoting diverse exposure. Feb. 2013. URL: https://www.semanticscholar.org/paper/Burstingyour-(filter)-bubble%3A-strategies-for-Resnick-Garrett /2b5090fa5e6604a932ea27a6b23363719ae62231
19. Matias J.N. Influencing recommendation algorithms to reduce the spread of unreliable news by encouraging humans to fact-check articles, in a field experiment, Scientific Reports, vol. 13, no. 1, Jul. 2023. DOI: 10.1038/s41598-023-38277-5.
20. Iyengar S. and Massey D. S. Scientific communication in a post-truth society, vol. 116, no. 16, pp. 7656-7661, Nov. 2018.
21. Celis L. E., Kapoor S., Salehi F., and Vishnoi N. K. Controlling Polarization in Personalization, Jan. 2019. DOI: 10.1145/3287560.3287601.
Summary
social media echo chamber
Garaschuk D. V. Digital echo chambers: amplifying populist rhetoric in the age of social media. - Article.
The article delves deeply into the intricate relationship between the inherent design of social media and the rise of echo chambers fueled by specific ideologies. The work meticulously dissects how social media algorithms, through their content curation practices, tend to amplify and reinforce users' existing beliefs. This fosters the creation of isolated online communities where individuals are primarily exposed to information that resonates with their preestablished worldview, effectively shielding them from contrasting viewpoints. This lack of exposure to diverse perspectives fosters an environment ripe for the proliferation and influence of populist narratives, ultimately posing a significant threat to the very foundation of democratic discourse. The article meticulously analyzes the detrimental effects of echo chambers on the quality of public debate and the exacerbation of political polarization. Through its comprehensive analysis, it emphasizes the critical need to develop and implement interventions that effectively counteract these concerning trends.
Furthermore, the article leverages a rich tapestry of theoretical frameworks and empirical research findings to shed light on the nuanced impact that digital platforms exert on the landscape of political communication. It offers valuable insights into how to cultivate enhanced digital literacy among the public, ultimately fostering a more inclusive and constructive online environment. Through its rigorous and insightful examination, the article not only furthers the existing dialogue within academic scholarship but also offers valuable implications for real-world application. It extends its reach by providing practical recommendations and actionable strategies for policymakers, educators, and social media platform designers. By incorporating these insights, these stakeholders can work towards mitigating the divisive and detrimental effects of echo chambers and fostering a more informed civil online environment.
Key words: digital echo chambers, populist rhetoric, social media algorithms, political discourse, democratic engagement.
Анотація
Гаращук Д. В. Цифрові ехо-камери: посилення популістської риторики в епоху соціальних мереж. - Стаття.
У статті глибоко аналізується складний взаємозв'язок між внутрішнім дизайном соціальних мереж і зростанням кількості ехо-камер, що підживлюються певними ідеологіями. У роботі ретельно проаналізовано, як алгоритми соціальних мереж через практику курації контенту посилюють і зміцнюють існуючі переконання користувачів. Це сприяє створенню ізольованих онлайн-спільнот, де люди отримують переважно інформацію, яка резонує з їхнім попередньо сформованим світоглядом, ефективно відгороджуючи їх від протилежних точок зору. Відсутність доступу до різноманітних точок зору створює сприятливе середовище для поширення та впливу популістських наративів, що в кінцевому підсумку становить значну загрозу для самих основ демократичного дискурсу. У статті ретельно проаналізовано згубний вплив ехо-камер на якість публічних дебатів і загострення політичної поляризації. Завдяки своєму всебічному аналізу вона підкреслює гостру потребу в розробці та впровадженні заходів, які б ефективно протидіяли цим тривожним тенденціям.
Крім того, у статті висвітлено різноманітні теоретичні засади та результати емпіричних досліджень, які проливають світло на нюанси впливу цифрових платформ на ландшафт політичної комунікації. Дослідження пропонує цінну інформацію про те, як розвивати цифрову грамотність серед громадськості, що, зрештою, сприятиме створенню більш інклюзивного та конструктивного онлайнового середовища. Завдяки своєму ретельному і ґрунтовному дослідженню стаття не лише сприяє діалогу в академічній науці, але й пропонує цінні висновки для застосування в реальному світі. Вона розширює сферу свого впливу, надаючи практичні рекомендації та дієві стратегії для політиків, освітян і розробників платформ соціальних мереж. Враховуючи ці висновки, ці зацікавлені сторони можуть працювати над пом'якшенням розбіжностей і згубних наслідків ехо-камер і сприяти створенню більш поінформованого громадянського онлайн-середовища.
Ключові слова: цифрові ехо-камери, популістська риторика, алгоритми соціальних мереж, політичний дискурс, участь у демократичних процесах.
Размещено на Allbest.ru
...Подобные документы
История развития IP-телефонии. Принцип действия. Качество IP-телефонии. Интернет-телефония - частный случай IP-телефонии. Система для звонков по телефону и посылки факсов средствами IP. Стандарт Media Gateway Control. Voice Profile Internet Mail.
реферат [66,9 K], добавлен 10.04.2007Общие сведения о сети Integrated Services Digital Network: история создания, компоненты, инкапсуляция, использование. Типы пользовательского интерфейса, которые поддерживает технология. Адресация в сетях, стек протоколов. Подключение оборудования к сети.
курсовая работа [223,8 K], добавлен 21.07.2012Analyses o the current situation on the project and the development of their technical realization. Brief description of the existing zonal area network. Basic requirements for communication lines. Calculation of the required number of channels.
дипломная работа [771,0 K], добавлен 20.09.2016Технология синхронной цифровой иерархии (Synchronous Digital Hierarchy, SDH). Создание коммутируемой инфраструктуры. Область применения технологии SDH. Схема мультиплексирования SDH и механизмы стандартов нового поколения. Элементы сети и стек протоколов.
реферат [274,4 K], добавлен 03.04.2011Цифровая сеть с интеграцией услуг (Integrated Services Digital Network), создание технологии с возможностью одновременной передачи голоса и данных. Области применения сетей ISDN, эффективность использования, преимущества, возможности; телефонная связь.
контрольная работа [27,1 K], добавлен 29.04.2011Signal is a carrier of new information for the observer. Concept and classification detector signals, their variety and functional features. The detection abilities of different detector’s types, methodology and milestones of their determination.
контрольная работа [1,1 M], добавлен 27.04.2014Принципы построения и проблемы реализации цифровой абонентской линии (DSL). Типы и область применения концентраторов. Типы интерфейсов к транспортной сети. Стандартные и специализированные средства сетевого управления. Основное оборудование DSL.
реферат [37,3 K], добавлен 01.11.2009Каналообразование волоконно-оптической системы связи по технологии Synhronical digital hierarchy. Показатели надежности функционирования каналов связи и оборудования линейного тракта. Среднее время наработки на отказ элементов оборудования ИКМ-1920.
контрольная работа [42,1 K], добавлен 05.05.2014Реализация КИХ и БИХ фильтра на процессоре TMS320C50. Блок-схема алгоритма программы, командные файлы компоновки и программного имитатора. Расчет максимально возможной частоты дискретизации. Расчет и результаты фильтра с помощью пакета Filter Design.
курсовая работа [1,3 M], добавлен 26.05.2014- Создание отладочной платы и загрузка в микроконтроллер готовой программы для работы с датчиком цвета
Разработка лабораторного комплекса по созданию сенсорного интерфейса на основе графической платформы Circuit Design Suite. Проектирование электрической схемы и проверка работоспособности устройства. Определение затрат на создание программного продукта.
дипломная работа [3,7 M], добавлен 22.11.2015 Идентификация параметров электромеханической системы. Моделирование нелинейных объектов. Оптимизация параметров пид-регуляторов для объектов управления с нелинейностями с применением пакета прикладных программ Nonlinear Control Design (NCD) Blockset.
лабораторная работа [474,0 K], добавлен 25.05.2010Наименование, применения, цель создания информационно-справочной подсистем САПР. Логические элементы: И, ИЛИ, НЕ, И-НЕ, ИЛИ-НЕ. Информационно-справочная подсистема. Семантическое моделирование данных. Основные понятия модели Entity-Relationship.
дипломная работа [4,8 M], добавлен 06.06.2010Типи даних, які використовує Mpeg-4 Visual: статичні текстури, рухомі зображення. Застосування формату стиснення H.264/MPEG-4 Part 10. Аналіз програми MSU Video Quality Measurement Tool. Особливості формату Visual part 2, функції. Основні умови праці.
дипломная работа [7,0 M], добавлен 05.04.2012Структура окна и система меню File, Edit, Circuit, Window, Help, Analysis. Обмен данными с программой PSpice. Контрольно-измерительные приборы: мультиметр, функциональный генератор, осциллограф, ненератор слова, логический анализатор и преобразователь.
отчет по практике [1,8 M], добавлен 28.04.2015Initial data for the term paper performance. Order of carrying out calculations. Analyze uncompensated system. Synthesize the real PD-compensator ( ) which would guarantee desired phase margin at gain crossover frequency . Analyze compensated system.
курсовая работа [658,7 K], добавлен 20.08.2012Theoretical basics of Internet advertising. The analysis of the media planning process. The establishing media objectives through developing media strategies and tactics. The effectiveness of the media planning in Internet. The example of the media plan.
курсовая работа [64,2 K], добавлен 25.03.2014"The Bauer media group". "The Bertelsmann" is a German multinational mass media corporation. "The Axel Springer Verlag". The German media industry. Company that is specialised in production and delivery of media in the form of digital, audio, video.
реферат [18,9 K], добавлен 13.03.2014Задачи дисциплины Social Analytics. Основное понятие Social Media Analytics и его составляющие. Важность вовлеченности компании в социальные медиа. Сбор данных и пошаговая организация вовлеченности в соц-медийные проекты. Инструменты для обработки данных.
реферат [1,8 M], добавлен 05.12.2014Social structure as one of the main regulators of social dynamic. The structure of the social system: social communities, social institutions, social groups, social organizations. The structure of social space. The subsystem of society by T. Parsons.
презентация [548,2 K], добавлен 06.02.2014Referendum - a popular vote in any country of the world, which resolved important matters of public life. Usually in a referendum submitted questions, the answers to which are the words "yes" or "no". Especially, forms, procedure of referendums.
презентация [1,2 M], добавлен 25.11.2014