In the application of typical digital signal processing, explain the concept of operation in Speech Coding and Compression.
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- Discuss the major differences between analog and digital data acquisition. How do the number of bits in the ADC register and the dwell time affect the results? How are quantization errors minimized? What is a signal/noise ratio? How can SNR be optimized?Explain the concept of multiplexing in transmission media. Describe time-division multiplexing (TDM) and frequency-division multiplexing (FDM) and provide examples of their use in networking.Explain why we need both Analogy as well as Digital signals? Also elaborate the process of converting an Analogue signal into Digital signal?
- What is the "Nyquist-Shannon sampling theorem," and how does it impact digital data transmission?1/ A 4 MHz analog signal is to be converted to a binary signal (PCM). If the signal to peak quantization noise ratio should be at least 30 dB: a/ What is the size of the code word? b/ What is the system rate in bits per second if sampled at the Nyquist rate?homework of digital signal processing
- what is Successive approximation ADC? please explainDIGITAL SIGNAL PROCESSING Refer to image given; (a)You are required to evaluate the convolution, ?(?) = ?(?) ∗ ℎ(?) using graphical method. (b)Sketch the output of signal, ?(?).In the figure below, an x(t) signal varying between +- 1.6 V is split into 8 quanta levels and converted to a digital signal. being converted. a) Calculate the quantization gap voltage (step)? b) Draw the PAM, PCM and ASK outputs in this conversion process? c) Calculate bit transmission rate if sampling pulse frequency ?? = 2kHz.
- The number of bits per sample in a PCM system has SNqR=45 dB is?In a public switch telephone network (PSTN),how the analog speech signal is converted to digital signal in the PCM? Also highlight the main functions of the given parts in the PSTN figure. Subject is Communication system.Explain the Analog to digital conversion in digital signal processing with each step elaborated