low-bit rate data
Implementation of Low Bit Rate Vocoder for Speech Compression
... According to information theory, the minimum bitrate at which the conditions of distortionless transmission of any source signal is possible is determined by the entropy of the speech source message. The compression ...
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International Journal of Computer Science and Mobile Computing
... placing data in still ...of data, while others to large ...High bit-rate data hiding and low bit- rate data hiding, where bit -rate means the ...
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WIMAX OFDMA using high efficiency video Coding in VLSI accomplishment
... by low data ...with low data rate transmission in wireless LANs due to HEVC, results in a considerable improvement in terms of bit error rate performance and bandwidth ...
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GiLBCSteg: VoIP Steganography Utilizing the Internet Low Bit Rate Codec
... high bit rate ...High bit rate audio codecs are conducive to steganography for two primary ...the data is lost during the encoding or compression ...redundant data. This ...
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SECURE VOICE COMMUNICATION USING LOW BIT RATE SYSTEM FOR GSM USERS
... The data to be encoded is either positive or negative integer or decimal ...quantized data to get the encrypted data stream. It is this data stream that is modulated and sent over to the ...
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Universal steganography model for low bit-rate speech codec
... Low bit-rate speech codec offers so many advantages over other codecs that it has become increasingly popular in audio communications such as mobile and VoIP (Voice over Internet Protocol) ...
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Engineering Change Request: Station Voltage Buffers for Transients Position Localization and Follow-up
... the data bit rates from each station, Table 2 presents the bit rate, disk size and durability estimates for an SKA1-Low imple- mentation with 1 TB solid-state drives ...
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Steganography integration into a low-bit rate speech codec
... embedding data in a speech frame takes less than 20 us on average, which is negligible in comparison with the allowable coding time of 15 ms for each frame in ...embedding data in some parameters of the ...
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Low Complexity Discrete Bit loading for OFDM Systems with Application in Power Line Communications
... including data rate, transmit power, instantaneous bit-error-rate (BER), constellation size and channel code or scheme can be adjusted according to the subchannel fading con- ...
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Source Codec for Multimedia Data Hiding
... in low bit-rate audio signal like compressed speech in Voice over IP (VoIP) is still an emerging ...problem. Low bit-rate codec has certain signal processing models as well as ...
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Semiconductor Quantum Dot Lasers as Pulse Sources for High Bit Rate Data Transmission
... the GS with regard to the ES. This approach has been previously developed for the In(Ga)As/GaAs system [12–14] but in the case of InAs/InP (113) B system it is assumed that at low injection rates, the relaxation ...
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STEGNOGRAPHIC PROPERTIES BASED DATA HIDDEN IN MEDIA ELEMENTS USING CRYPTOGRAPHY
... for data hiding in audio. Hiding data in audio can be done a number of ways like: Phase coding, Spread spectrum, Echo data hiding, Patchwork coding, Low-bit ...the Low-bit ...
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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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Performance Analysis of Hybrid DWT and DCT based Compression Techniques for Low Bit Rate
... original data (Time domain) is decomposed or converted into data segments (Frequency domain), which are then quantized and coded ...input data are taken into consideration, transformed and ...
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Low Bit Error Rate Based Communication by IEEE 802 15 4
... basic data rate for the DS system is 1Mbps encoded with differential binary phase shift keying ...2Mbps rate is provided using differential quadrature phase shift keying (DQPSK) at the same chip ...
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Enhanced Adaptive Approach of Video Coding at Very Low Bit Rate Using MSPIHT Algorithm
... video data provides secure and less consumption of storage and the reconstruction process consists of the reverse process with the ...very low bit rate with the enhancement of performance by ...
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Listless Block Tree Coding with Discrete Wavelet Transform for Embedded Image Compression at Low Bit Rate
... reveals data redundancy very effectively by applying filtering and sub ...sampling. Data is compressed using some coding ...is low-pass subband which contains the coarse approximation of the source ...
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Warped Discrete Cosine Transform-Based Low Bit-Rate Block Coding Using Image Downsampling
... constant bit-rate there is actually no gain in increasing the number of WDCT matri- ces beyond 16, and therefore N = 8 (corresponding to 16 WDCT matrices) is also utilized in this ...
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A Very Low Bit Rate Image Compressor Using Transformed Classified Vector Quantization
... in data transmission and data ...or low bandwidth communication for wireless transmission, image compression at a low bit rate is ...of low bit rate image ...
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Investigations of high bit rate optical transmission systems employing a channel data rate of 40 Gb/s
... symbol rate (20 Gb/s for 40 Gb/s signal), resulting in better narrow-band filtering characteristics and an improved dispersion and PMD tolerance ...symbol rate and the increased filtering tolerance, thus ...
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