International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395 -0056
Volume: 04 Issue: 03 | Mar -2017
p-ISSN: 2395-0072
www.irjet.net
Effective Audio Storage and Retrieval in Infrastructure less Environment over WSN K.J.Anaghaa 1, V.Aishwarya2, Gayathri Suresh3, Vijaylakshmi .P4 1
K.J.Anaghaa, student, Panimalar Engineering College, Chennai, India
2 V.Aishwarya, 3
student, Panimalar Engineering College, Chennai, India
Gayathri Suresh, student, Panimalar Engineering College, Chennai, India
4Vijaylakshmi
.P, Associate Professor, Dept. of computer science and Engineering, Panimalar Engineering College, Chennai, India. ---------------------------------------------------------------------***---------------------------------------------------------------------
Abstract
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Audio represents one among the foremost appealing yet however the least exploited modalities in wireless sensing element networks, because of the possibly extremely giant information volumes that have to be processed and its restricted wireless capability. Therefore, a way to effectively collect audio sensing data remains a challenging drawback till date. During this paper, we are proposing a brand new paradigm of audio data assortment supported by the conception of audio-on demand. We take into account a sink-free (no base station) setting, targeting to help disaster management, wherever audio chunks unit hold and store information within the network for retrieval. Key Words: Audio-storage,Audio retrieval,wireless sensor network,WSN, Infrastructureless communication.
1 .INTRODUCTION The rising wireless detector networks [1][[2] are revolutionizing the ways that of assembling information from the physical world [3]. The community has pictured an outsized form of applications, such as setting watching, scientific observation, underwater surveillance, and structural health watching[4][5][6][7]. So far, audio represents one in all the foremost appealing yet least exploited modalities in detector networks, mainly because high-frequency audio sampling will manufacture extremely giant information volumes over bandwidth-limited links. In this paper, we have a tendency to investigate a brand new paradigm of audio services, specifically audio-on-demand, in wireless detector networks. We take into account a sink/infrastructure free setting targeting for earthquake disaster management scenario, wherever any base station/sink may well be broken during the disaster. We Š 2017, IRJET
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Impact Factor value: 5.181
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have a tendency to decision our style in a sink-free audio-ondemand WSN system. The target application is postearthquake search and rescue that becomes extremely important with the hit of recent constant violent earthquakes. When earthquake happens, recording and storing acoustic events and providing an on-demand retrieval service area unit is essential to the later rescue in such systems. There are 2 main reasons for this: 1) The area is commonly disconnected from the rest of the world, and 2) Most of the acoustic events are units recorded before rescue might happen. Since individual sensors records are restricted in their effective acoustic zones of geographic region, networks of the acoustic sensors are required to enclose the affected areas. The necessities of a reliable audio on-demand services measure threefold. 1) Acoustic events ought to be recorded and kept within the network, since the existent system might fail as a result of calamity it could also be destroyed in ruinous environmental conditions. 2) If there exists no base station or alternative infrastructures, it’s tough hence not possible to efficiently record or locate acoustic events. 3)The non-disruptive on-demand playback of the audio any place within the network needs parallel knowledge transferring and economical buffer pre-fetching mechanism as a result of the restricted information measure capability of WSNs. With the recent advances in NAND nonvolatile storage, new more prototypes area currently on the market that interface Mica-class processing and radio hardware to up to 8GB of ISO 9001:2008 Certified Journal
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