Annotated Bibliography On Digital Communication - 1316 Words

Melbourne Institute of Technology Student Name: Ayush Anil Bhatnagar Student ID No.: MIT172670 Unit Name: Overview of Digital Communication Unit Code: ME502 Lecture Tutor’s Name: Dr Rajan Kadel Assignment No.: ASSIGNEMENT 1 Assignment Title: Individual Written assignment Table of contents Part-A Requirements Investigation of current methods Investigation of new developments Part-B Mu law and A-law compander using matlab Simulink Theories on sampler, quantizer and encoder. Description of Assignment: To figure out application of waveform coding techniques for digital audio transmission and digital audio recording. Part A: Source Coding in Digital Audio Systems†¦show more content†¦Working First the analog signal from the input side is sampled as per the sampling rate as a result of it the signal is now in the form of discrete signal.so to overcome the aliasing effect we use sampling frequent which is twice the max frequency of the signal. Quantization process is is used to concert this discrete signal to binary form after all this step the signal quantize as per the level of the signal.at the output side decoding of this binary signal take place with maintaining the same level of quantization in this way we will obtain the original analog signal. DPCM Definition Differential PCM (DPCM) is more compelling then PCM as it figure this distinction and after that transmit this little contrast motion rather than the whole info input sample. Since the distinction between input tests is not as much as a whole info sample, the quantity of bits required for transmission is diminished. As a result it reduces in throughput required to transmit the voice signals. Utilizing DPCM can lessen the bit rate of any voice transmission down to 48 kbps. Working and advantage: The initial segment of DPCM works precisely like PCM so called derived function PCM. The info sign is sampled at a constant sampling absolute frequency (two times the stimulation frequency). Then these samples are modulated using the PAM appendage. At this item, the DPCM unconscious process takes over. The sampled input signaling is stored in what is calledShow MoreRelatedTechnology and Social Inclusion, An Annotated Bibliography719 Words   |  3 PagesAnnotated Bibliography Fink, Carsten and Kenny, Charles J. (2003). W(h)ither the Digital Divide. http: //freeculture2. soc.american.edu/uploads/359/W_h_ither_DD__Jan_.pdf. As a prerequisite before we analyse the one laptop per child (OLPC) program and then trying to compare it with other Information and communication Technology (ICT) initiatives, it is of great importance to understand the developmental issues all of which these programs aim to resolve. These programs in the current worldRead MoreEssay on How To Write Using the APA Writing Style1597 Words   |  7 Pagesone’s own work. 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