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Speech Emotion Recognition Using Segmental Level Prosodic Analysis 基于分段韵律分析的语音情感识别
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738536
S. Koolagudi, Nitin Kumar, K. S. Rao
{"title":"Speech Emotion Recognition Using Segmental Level Prosodic Analysis","authors":"S. Koolagudi, Nitin Kumar, K. S. Rao","doi":"10.1109/ICDECOM.2011.5738536","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738536","url":null,"abstract":"In this paper, prosodic analysis of speech segments is performed to recognise emotions. Speech signal is segmented into words and syllables. Energy and pitch parameters are extracted from utterances, words and syllables separately to develop emotion recognition models. Eight emotions (anger, disgust, fear, happy, neutral, sad, sarcastic and surprise) of simulated emotion speech corpus, IITKGP-SESC cite{koolagudi2009} are used in this work for recognition of emotions. Word boundaries are manually marked for 15 utterances of IITKGP-SESC. Syllable boundaries are detected using vowel onset points (VOPs) as anchor locations. Recognition performance of emotions using segmental level prosodic features is not found to be appreciable, but by combining spectral features along with prosodic features, emotion recognition performance is considerably improved. Support vector machines (SVM) and Gaussian mixture models (GMM) are used to develop emotion models to analyse different speech segments for emotion recognition.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123290874","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 60
A Novel Channel Estimation Technique for MIMO-OFDM Systems for Frequency Selective Rayleigh Channel 一种基于频率选择瑞利信道的MIMO-OFDM系统信道估计新技术
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738459
N. Ashish, K. Atul Srivatsan, N. Karthikeyan, Srikar Gutta, Ashwini A. Raman, R. Ramanathan, Ravi Teja Pasupuleti
{"title":"A Novel Channel Estimation Technique for MIMO-OFDM Systems for Frequency Selective Rayleigh Channel","authors":"N. Ashish, K. Atul Srivatsan, N. Karthikeyan, Srikar Gutta, Ashwini A. Raman, R. Ramanathan, Ravi Teja Pasupuleti","doi":"10.1109/ICDECOM.2011.5738459","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738459","url":null,"abstract":"The MIMO system convincingly promises a better bit rate in comparison with a SISO system. The system gets even efficient when OFDM is amalgamated with MIMO to obtain better data rates even in hostile channel environment. Research establishes OFDM as a potential candidate for use in MIMO systems for the reasons like inherent FFT, waveform adaptation, advanced antenna techniques, multiple access, interoperability, etc. Since, channel estimation is an integral part of OFDM system; it stands to demand a technique that can offer accurate channel characterization for effective equalization to follow. In addition, there exists a tradeoff between accuracy of estimation and complexity of the technique. In this paper, a combined channel estimation technique, which combines the virtues of Least Squares and LMMSE estimators with SVD in MIMO-OFDM systems. This combined strategy increases the estimate accuracy without much increase in complexity or computation considering a Rayleigh frequency-selective channel environment. The proposed technique is explicated with necessary mathematics and the theory is well substantiated with simulations. The technique is fitted into the OFDM framework and the simulation results indicate a good estimate of the channel. The theory and results are presented and discussed in the paper.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"45 30","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120811370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Performance Evaluation of AODV, DSDV & DSR for Quasi Random Deployment of Sensor Nodes in Wireless Sensor Networks 无线传感器网络中传感器节点准随机部署的AODV、DSDV和DSR性能评估
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738571
N. Kulkarni, R. Prasad, H. Cornean, N. Gupta
{"title":"Performance Evaluation of AODV, DSDV & DSR for Quasi Random Deployment of Sensor Nodes in Wireless Sensor Networks","authors":"N. Kulkarni, R. Prasad, H. Cornean, N. Gupta","doi":"10.1109/ICDECOM.2011.5738571","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738571","url":null,"abstract":"Sensor deployment is one of the key topics addressed in Wireless Sensor Network (WSN). This paper proposes a new deployment technique of sensor nodes for WSN called as Quasi Random Deployment (QRD). The novel approach to deploy sensor nodes in QRD fashion is to improve the energy efficiency of the WSN in order to increase the network life time and coverage. The QRD produces highly uniform coordinates and it systematically fills the specified area. Along with Random Deployment (RD) pattern of wireless sensor node QRD is analysed in this study. The network is simulated using NS-2 simulator. The efficiency of this deployment is evaluated assuming three routing protocols used for the adhoc networks. They are AODV, DSDV, and DSR. The protocol assumed at transport layer is UDP. Application layer generates the CBR traffic. The performance of these three routing techniques is compared based on total energy consumption, coverage area. The simulation results show that the conventional routing protocols like DSR have a best performance for both RD and QRD of the sensor nodes when there is no mobility of the sensor nodes as compared to AODV and DSDV. Among AODV and DSDV, AODV performs better as compared to DSDV.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122163880","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 24
Performance Evaluation of Interframe Histogram Difference Technique for Advertisement Detection in Digital Videos 帧间直方图差分技术在数字视频广告检测中的性能评价
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738495
Manish Chhabra, P. Reel
{"title":"Performance Evaluation of Interframe Histogram Difference Technique for Advertisement Detection in Digital Videos","authors":"Manish Chhabra, P. Reel","doi":"10.1109/ICDECOM.2011.5738495","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738495","url":null,"abstract":"There is a number of automated shot-change detection methods for indexing a video sequence to facilitate browsing and retrieval have been proposed in recent years. In this paper, shot change (hard cut) detection that is based on \"inter-frame difference\" and its comparison with a threshold are discussed. The summery of changing video threshold on hard cut detection is done. A threshold value is evaluated for the efficient extraction of complete advertisement. The key component in the advertisement is the frequency of shots breaks along with blank frames. Results of these MATLAB based computer simulations have been reported.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122175711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Performance Analysis of Alamouti Transmit Diversity with Transmit Antenna Selection for Reduced Feedback Rate 降低反馈速率下发射天线选择的Alamouti发射分集性能分析
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738517
J. M. Chakravarti, Y. Trivedi
{"title":"Performance Analysis of Alamouti Transmit Diversity with Transmit Antenna Selection for Reduced Feedback Rate","authors":"J. M. Chakravarti, Y. Trivedi","doi":"10.1109/ICDECOM.2011.5738517","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738517","url":null,"abstract":"We analyze a sub-optimum transmit antenna selection (TAS) scheme in multiple input single output (MISO) systems equipped with I transmit antennas. We keep one antenna fixed and select the best among the remaining I-1 antennas. We assume spatially independent flat fading channel with perfect channel state information (CSI) at receiver and an ideal feedback link. We use Alamouti transmit diversity and derive the closed-form expressions of bit error rate (BER) and outage probability for BPSK constellation. We also compare performance of the sub-optimum scheme with performance of the optimum scheme using BER, outage probability expressions and number of feedback bits.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129567459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Discrete Wavelet Transform Based Spectrum Sensing in Futuristic Cognitive Radios 基于离散小波变换的未来认知无线电频谱感知
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738461
A. Chandran, R. Anantha Karthik, Arun Kumar, M. Subramania Siva, Uma. S. Iyer, R. Ramanathan, R. C. Naidu
{"title":"Discrete Wavelet Transform Based Spectrum Sensing in Futuristic Cognitive Radios","authors":"A. Chandran, R. Anantha Karthik, Arun Kumar, M. Subramania Siva, Uma. S. Iyer, R. Ramanathan, R. C. Naidu","doi":"10.1109/ICDECOM.2011.5738461","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738461","url":null,"abstract":"With the advent of an era of wireless communication, the number of users is on the rise, the result of which is spectral congestion. Cognitive Radio systems provide an intelligent and an attractive solution to this technical crisis. Spectrum Sensing is indispensable for the functioning of Cognitive Radio and helps in efficient spectrum utilization. In this paper, a wavelet based approach to spectrum sensing is dealt with. Wavelets provide a new dimension to tackle spectrum sensing. This method is comparatively easier and more reliable than the conventional energy detector. An algorithm for spectrum sensing has been proposed and the results obtained for various scenarios are tabulated. A comparison with the conventional energy detector has been performed to substantiate the proposal. Some important conditions are also specified.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133061181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 24
Design of C-Band 2-Stepped Septum Polarizer with Dual Matched Feed for Circular Polarization with Enhanced Gain 增强增益圆偏振用c波段双匹配馈电2阶隔振片设计
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738519
Pramod Kumar, Poonam Bajpai, A. Shrivastav, K. Yadav
{"title":"Design of C-Band 2-Stepped Septum Polarizer with Dual Matched Feed for Circular Polarization with Enhanced Gain","authors":"Pramod Kumar, Poonam Bajpai, A. Shrivastav, K. Yadav","doi":"10.1109/ICDECOM.2011.5738519","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738519","url":null,"abstract":"In this paper a two stepped septum polarizer is presented with matched feed using three pin to improve the gain and band width while polarization loss. This configuration shows about 10-15% bandwidth and it is therefore suitable for high sensitive, large bandwidth applications.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130408548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Importance of Using Log Function to Reduce the Correlation between Features in a Multidimensional Feature Space for Text-Independent Speaker Identification 利用对数函数降低多维特征空间中特征间的相关性对文本无关说话人识别的重要性
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738537
Nirmalya Sen, T. Basu, S. Chakroborty
{"title":"Importance of Using Log Function to Reduce the Correlation between Features in a Multidimensional Feature Space for Text-Independent Speaker Identification","authors":"Nirmalya Sen, T. Basu, S. Chakroborty","doi":"10.1109/ICDECOM.2011.5738537","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738537","url":null,"abstract":"This paper demonstrates the relation between flatness index of the eigen values of the covariance matrix of the feature vectors and the correlation between the features in a multidimensional feature space. The constant distance loci of Mahalanobis metric has been used to interpret the relation. The intuitive interpretation of the flatness index and correlation has been given using 2D synthetic data. The usefulness of log function to reduce the correlation between features has been shown using synthetic data and real feature vectors extracted from speech data for text-independent speaker identification using MFCC, LFCC and IMFCC feature sets.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133053072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Effect of Branch Network in Broadband Power Line Communication 分支网络在宽带电力线通信中的作用
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738470
K. Mondal, P. K. Ray
{"title":"The Effect of Branch Network in Broadband Power Line Communication","authors":"K. Mondal, P. K. Ray","doi":"10.1109/ICDECOM.2011.5738470","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738470","url":null,"abstract":"Abstract-In this paper, a multi-branch Indoor Power Line Network for Broadband Communication is modeled on the basis of ABCD matrix of two port network which leads to the formation of a transfer matrix, the element of which are used to find the transfer function of the multi-branch transmission line network consisting of taps up to 10 number. From the calculation of the transfer function we observed the nature of variation of signal attenuation and its effect for different combination of source, branch impedance, channel length, number of taps and load impedance respectively. Investigation on simulated result was carried out using MATLAB under different conditions in the frequency bands 0 Hz to 35 MHz. Results can be exploited for the optional design of broad band communication network.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114195591","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
An Efficient Distributed Arithmetic Based VLSI Architecture for DCT 基于分布式算法的DCT高效VLSI架构
2011 International Conference on Devices and Communications (ICDeCom) Pub Date : 2011-03-24 DOI: 10.1109/ICDECOM.2011.5738484
V. Sharma, Kamalakanta Mahapatra, U. C. Pati
{"title":"An Efficient Distributed Arithmetic Based VLSI Architecture for DCT","authors":"V. Sharma, Kamalakanta Mahapatra, U. C. Pati","doi":"10.1109/ICDECOM.2011.5738484","DOIUrl":"https://doi.org/10.1109/ICDECOM.2011.5738484","url":null,"abstract":"Discrete cosine transform (DCT) is widely used in image and video compression standards. This paper presents distributed arithmetic (DA) based VLSI architecture of DCT for low hardware circuit cost as well as low power consumption. Low hardware cost is achieved by exploiting redundant computational units in recent literature. A technique to reduce error introduced by sign extension is also presented. The proposed 1-D DCT architecture is implemented in both the Xilinx FPGA and Synopsys DC using TSMC CLN65GPLUS 65nm technology library. For power and hardware cost comparisons, recent DA based DCT architecture is also implemented. The comparison results indicate the considerable power as well as hardware savings in presented architecture. 2-D DCT is implemented using row column decomposition by the proposed 1-D DCT architecture.","PeriodicalId":290448,"journal":{"name":"2011 International Conference on Devices and Communications (ICDeCom)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130079419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 36
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