very low bit-rate transmission
Efficient Low Bit Rate Low Latency Channelization in DECT
... DECT, low bit-rate transmission is feasible either at the cost of efficiency (shorter slots with fixed overhead per slot) or increased latency (longer ...for low bit-rate ...
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Implementation of Low Bit Rate Vocoder for Speech Compression
... field in digital signal processing. Because of limited bandwidth in many fields especially in the field of military speech compression has a significant importance in the present world. The other reasons for speech ...
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FMO-based H.264 frame layer rate control for low bit rate video transmission
... When the frame is complex and FMO is enabled, the CBF tends to be significantly larger than the TBL. In such cases, the target bits tend to be negative, so the current buffer level must be reduced by increasing QP to ...
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WIMAX OFDMA using high efficiency video Coding in VLSI accomplishment
... video transmission is achieved by low data ...with low data rate transmission in wireless LANs due to HEVC, results in a considerable improvement in terms of bit error ...
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Satellite Image Compression using Discrete wavelet Transform
... the bit rate for compressing satellite Images. The variable bit rate is obtained using variable thresholding of wavelet ...for low bitrate applications in terms of ...
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GiLBCSteg: VoIP Steganography Utilizing the Internet Low Bit Rate Codec
... Audio data tends to be very copious. Because of this, there is a lot of room to hide bits for steganography. This is generally achieved by implementing steganography within an audio codec. An audio codec performs ...
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SECURE VOICE COMMUNICATION USING LOW BIT RATE SYSTEM FOR GSM USERS
... overall bit rate of the system while still maintaining toll- quality speech and providing security to the speech signal before its transmission over the ...
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Low Bit Error Rate Based Communication by IEEE 802 15 4
... The Bluetooth protocol stack is illustrated [11]. The Bluetooth specific protocols are SDP, L2CAP, Link Manager, Baseband, and the Bluetooth Radio. Our primary modeling focus is on the characteristics of the RF, ...
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Enhanced Adaptive Approach of Video Coding at Very Low Bit Rate Using MSPIHT Algorithm
... An embedded compression engine is designed hardwired that mainly targets in reducing the full high-defi- nition (HD) video transmission network. An Adaptive Golomb-Rice coding scheme in conjunction with a con- ...
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A Very Low Bit Rate Image Compressor Using Transformed Classified Vector Quantization
... data transmission and data ...or low bandwidth communication for wireless transmission, image compression at a low bit rate is ...of low bit rate image ...in ...
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Universal steganography model for low bit-rate speech codec
... in low bit-rate VoIP audio streams by integrating information hiding into the process of speech encoding; although the modified steganography method offers strong imperceptibility (less than 5% PESQ ...
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Performance Estimation Of PTS Based PAPR Reduction With CFO Optimization Of Multi Carrier CDMA System Over Frequency Selective Fading Channel
... data rate handling ability and robustness to frequency selective fading ...symbol rate in each subcarrier so that a longer symbol duration makes it easier to quasi-synchronize the ...
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Online Full Text
... resolution, bit rate, frame rate, video type, audio codecs, ...of bit error rate (BER) and bit rate for video quality is also ...a transmission network with a small ...
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Development Medium Access Control Using Resource Manager
... The original purpose of BWT was to eliminate the need for proprietary cable connections between devices such as PDAs and notebook PCs. Although infrared communication existed at the time, it required line-of-sight ...
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Semiconductor Quantum Dot Lasers as Pulse Sources for High Bit Rate Data Transmission
... Quantum dot is a new kind of semiconductor nanostructure that confines the movement of carriers in all three dimensions. For this reason, QDs have discrete and finite energy levels and behave like atoms, i.e., the ...
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Feature extraction for very low bit rate video coding
... A very basic aspect of the contents of almost all images is that it is a 3-D scene that is projected on to the 2-D image. This knowledge can be used in compression schemes in several ways. One consequence is that ...
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Epidemiologic aspects of the malaria transmission cycle in an area of very low incidence in Brazil
... a low-transmission area of Sudan were reported by Hamad et ...the low percentage of subjects who tested positive for this parasite in IFA and the low anti- body titres found suggest that ...
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Mass campaigns combining antimalarial drugs and anti infective vaccines as seasonal interventions for malaria control, elimination and prevention of resurgence: a modelling study
... of transmission occurred with no intervention at all, due to very low initial prevalence (black), ii) interruption of transmission occurred with single interventions, namely with mass ...
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International Journal of Computer Science and Mobile Computing
... © 2012, IJCSMC All Rights Reserved 22 defined as an average time gap experienced by all the nodes in a network between transmission and reception of data packets or between request and response. The delay in nodal ...
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ch3_2_v1.ppt
... A second example is the digital cellular telephone. For better reception, digital cellular phones convert the analog voice signal to a digital signal (see Chapter 16). Although the bandwidth allocated to a company ...
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