Performance evaluation of speech quality for VOIP on the internet

... Performance Evaluation of Active Suspension for Passenger Cars Using MATLAB suspension can gave better performance of suspension by having force actuator, which is a ... College of Engineering, Pune, India 13 | Page Performance Evaluation of Active Suspension for Passenger Cars Using MATLAB VI CONCLUSION The methodology was developed to design an Act...

Ngày tải lên: 16/02/2014, 09:13

... of legal provisions and practices related to freedom of expression, the free flow of information and media pluralism on the Internet in the OSCE participating States: Preliminary Report, OSCE ... Internet The study is a compilation of a comprehensive OSCE- wide legal matrix of legal provisions related to freedom...

Ngày tải lên: 18/02/2014, 00:20

... Characteristics & performance evaluation of selected Mutual Funds in India 9th Indian Institute of Capital Market Conference [4] Michael, C J (1967) The Performance of Mutual Funds in the period ... during the study period OBJECTIVES OF THE STUDY: To evaluate and compare the performance of equity diversified mutual fund schemes of selected companies To com...

Ngày tải lên: 19/02/2014, 15:20

... that the protection of the sui generis right concerns only acts of extraction and re-utilisation as defined in Article 7(2) of the directive That protection does not, on the other hand, cover consultation ... to the ECJ23 on the basis of the conflicting judgments elsewhere 4.1.3 The opinion of stakeholders 75% of respondents to the Commission service...

Ngày tải lên: 30/03/2014, 13:20

... an open-loop MIMO OFDM-CDMA scheme using space-timefrequency spreading (STFS), in the presence of frequency-selective Rayleigh-fading channel The BER and BLER performance of the OFDM-CDMA system ... scheduling In addition, it offers better diversity/multiplexing trade-off The performance of MIMO OFDM–CDMA scheme using STFdomain spreading is investigated with zero-forcing...

Ngày tải lên: 18/06/2014, 22:20

... Recursive analytical performance evaluation of broadcast protocols with silencing: application to VANETs Stefano Busanelli∗ , Gianluigi Ferrari and Roberto Gruppini Department of Information ... performance of the novel probabilistic broadcast protocols is investigated and compared with that of other (known) protocols Finally, Section concludes the...

Ngày tải lên: 20/06/2014, 20:20

... N c , the OFDM-CDMA 60 Proposed OFDM-CDMA 2D OFDM-CDMA Number of Users 50 40 30 20 10 0 10 12 14 16 SNR dB Figure 10 System throughput comparison for OFDM-CDMA system with 4Tx, 4Rx of the proposed ... scheduling In addition, it offers better diversity/multiplexing trade-off The performance of MIMO OFDM-CDMA scheme using STF-domain spreading is investigated with zero-fo...

Ngày tải lên: 20/06/2014, 21:20

... with attack and release time constants τraise and τdecay The differences between the maxima and minima are calculated to obtain the current dynamic range of the signal (4) The decision for a speech ... vectors containing speech samples will be added to the noise data matrix in (5), which leads to cancellation of parts of the speech signal On the other hand, if t...

Ngày tải lên: 21/06/2014, 08:20

... enable the calculation of the cost of a path, based on the LQI values of all links Therefore, we chose to evaluate the performance of these LQI-based routing metrics for NST-AODV Note that the PATH-DR ... data transmission rate for each node to allow for a link quality estimation [5] 4.5 MultiHopLQI One of the first attempts at a link quality estimat...

Ngày tải lên: 21/06/2014, 11:20

... REGISTRATION MSE = 3.2 SUPER-RESOLUTION FUSION/DEBLURRING METHODS This section briefly describes the different SR reconstruction methods used in the performance evaluation The first three methods ... the performance on real-world data of the SR reconstruction methods with simulations, some measurements are needed of the real-world data: (1) SNR, (2) point-spreadfunc...

Ngày tải lên: 22/06/2014, 20:20

... can be used to obtain simple-toevaluate approximate rational expressions for the MGF of the Weibull RV based on the knowledge of its moments We then use these expressions to evaluate the performance ... Section 2, we give a brief overview of the Pad´ approximation teche nique In Section 3, we apply this technique to the problem at hand The performance of di...

Ngày tải lên: 22/06/2014, 22:20

... effectiveness of the active network for localization, in the following we evaluate the limiting performance of a localization technique based on the RF map of the area Performance is expressed in terms of ... interrogator CONCLUSIONS We analyzed the performance of networks used for localization in terms of the probability of localization error Solutions base...

Ngày tải lên: 22/06/2014, 23:20

... quality of VoIP applications In the following sections, we will introduce the speech quality evaluation methods used to measure the quality of VoIP applications 2.4.1 Subjective Speech Quality ... system on PlanetLab and conducted a set of experiments for speech quality evaluations • Second, we studied the characteristics of the Speex and SILK codec...

Ngày tải lên: 13/10/2015, 15:55