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Problem #5 In an audio CD, the audio voltage signal...
Answer all parts and show all steps please. 3323 Modern Digital and Analog Communication Question A...
Answer all parts and show all steps please.
3323 Modern Digital and Analog Communication Question A compact disc (CD) records audio signals digitally by using PCM. Assume that the audio signal bandwidth equals 15 kHz (a) If signal is sampled at the Nyquist rate and the samples are uniformly digitized into L 65,536 levels and then binary-coded, determine the number of bits required to encode a sample (b) If the audio signal has average power of 0.1 W and a...
1. A mono audio signal has a bit rate (sampling rate times bits per sample) of...
1. A mono audio signal has a bit rate (sampling rate times bits per sample) of 35 MB/sec. How many seconds of such audio can be stored on a CD of 700 MB? 2. An audio signal is sampled at a rate of 256 samples per second and 8 bits are assigned to each sample. Calculate the file size of 4 seconds of stereo audio. 3. Following is(are) advantages of digital audio as compared to analog audio duplication flexibility environmental...
5.2-1 A compact dise (CD) records audio signals digitlly by using PCM. Let the au bandwidth...
5.2-1 A compact dise (CD) records audio signals digitlly by using PCM. Let the au bandwidth be 15 kHz. (a) If the Nyquist samples are uniformly quantized into L 65,5 (b) If the audio signal has average power of 0.1 W and peak voltage of 1 V, find the resulting (c) Determine the number of binary digits per second (bit/s) required to encode the audico (d) For practical reasons discussed in the text, signals are sampled at a rate well...
1) Consider the transmission of digital data 1011 0010. Each bit is transmitted during a time...
1) Consider the transmission of digital data 1011 0010. Each bit is transmitted during a time period of T = 1 msec. What is the data transmission rate in bit/sec? Suppose bit 1 is represented by 5 mV and bit O is represented by O mv. Sketch the baseband waveform with a rectangular pulse to show how the waveform during the transmission of the above bits will look like. Below the baseband waveform sketch (1) binary ASK waveform, (2) binary...
Communication System Solve with ALL steps Please QUESTION 3 Briefly explain the following Analog Pulse Modulation...
Communication System
Solve with ALL steps Please
QUESTION 3 Briefly explain the following Analog Pulse Modulation (APM): (i) Pulse Amplitude Modulation (PAM) Pulse Width Modulation (PWM) (iii) Pulse Position Modulation (PPM) (2 marks) (2 marks) (2 marks) b) There are several digital modulations techniques used to modulate digital signal. For a binary data 10111011, sketch the output waveform if the following modulator is used: Amplitude Shift Keying (ASK) (2 marks) Frequency Shift Keying(FSK) (2 marks) (iii) Phase Shift Keying (PSK)...
Question 2 An analog signal with a power Pm-GW, and a bandwidth of 4kHz is sampled at a rate f, =...
Question 2 An analog signal with a power Pm-GW, and a bandwidth of 4kHz is sampled at a rate f, = 10ksamples/sec. (a) What value of A will lead to an SQNR of 55dB if uniform quantization is used? (b) If the peak voltage of m(t) is 8V, what value of L satisfies (a)? (c) How many bits per sample should be used? (d) What is the bit rate if we use the number of bits per sample from (c)?...
3. With the aid of a diagram, briefly explain th ing principle of a Successive a) Approximation Analog-to-Digital Conve...
3. With the aid of a diagram, briefly explain th ing principle of a Successive a) Approximation Analog-to-Digital Converter (ADC) b) An ADC has to be designed to convert voltages in the range from -5 V to +5 V, with a resolution below (better than) 1 mV. What is the minimum number of bits required to meet this design specification? An ADC has to be designed to convert input voltage signals with frequency c) components less than or equal o...
a. Describe TWO (2) advantages and TWO (2) disadvantages of digital transmission. (CO1: PO1 - 4...
a. Describe TWO (2) advantages and TWO (2) disadvantages of digital transmission. (CO1: PO1 - 4 marks) b. Sampling, quantization and coding are the three processes used to represent an analog signal in digital form. Considering an input signal into an 8-bit Pulse Code Modulation (PCM) system is a 20 Vp-p 50-Hz, answer the followings: i. Using appropriate diagram briefly describe TWO (2) basic methods to perform the sampling function. (CO2: PO2 - 2 marks) Determine the number of quantization...
Hexadecimal and binary numbers questions. Can someone do number #5 and 6 only? Thank you. 5....
Hexadecimal and binary numbers questions.
Can someone do number #5 and 6 only? Thank you.
5. (2 pts) Write, in hexadecimal, the largest (unsigned) number that can be stored in 32 bits. 6. (2 pts) How many hexadecimal digits are required to write down a 2048-bit number? 7. (2 pts) How many hexadecimal digits are required to write down a 320-byte number? 8. (2 pts) How many bytes does it take to store a 128-bit number in a computer?
Question 5 The shortest IEEE standard for rep- expnt fraction resenting rational numbers is calle...
PLEASE NOTE: PLEASE ANSWER IN MATHEMATICAL FORM!!
THIS IS NOT ESSAY QUESTION. THANKS
Question 5 The shortest IEEE standard for rep- expnt fraction resenting rational numbers is called half-precision float- sign (S bit) ing point. It uses a 16-bit word partitioned as in the I diagram at right. (This diagram is taken from the Wiki can be found.) (10 bit) article on the subject, where more details 15 10 As described in lectures, to store a rational number r it...
Answer all parts and show all steps please.
3323 Modern Digital and Analog Communication Question A compact disc (CD) records audio signals digitally by using PCM. Assume that the audio signal bandwidth equals 15 kHz (a) If signal is sampled at the Nyquist rate and the samples are uniformly digitized into L 65,536 levels and then binary-coded, determine the number of bits required to encode a sample (b) If the audio signal has average power of 0.1 W and a...
5.2-1 A compact dise (CD) records audio signals digitlly by using PCM. Let the au bandwidth be 15 kHz. (a) If the Nyquist samples are uniformly quantized into L 65,5 (b) If the audio signal has average power of 0.1 W and peak voltage of 1 V, find the resulting (c) Determine the number of binary digits per second (bit/s) required to encode the audico (d) For practical reasons discussed in the text, signals are sampled at a rate well...
1) Consider the transmission of digital data 1011 0010. Each bit is transmitted during a time period of T = 1 msec. What is the data transmission rate in bit/sec? Suppose bit 1 is represented by 5 mV and bit O is represented by O mv. Sketch the baseband waveform with a rectangular pulse to show how the waveform during the transmission of the above bits will look like. Below the baseband waveform sketch (1) binary ASK waveform, (2) binary...
Communication System
Solve with ALL steps Please
QUESTION 3 Briefly explain the following Analog Pulse Modulation (APM): (i) Pulse Amplitude Modulation (PAM) Pulse Width Modulation (PWM) (iii) Pulse Position Modulation (PPM) (2 marks) (2 marks) (2 marks) b) There are several digital modulations techniques used to modulate digital signal. For a binary data 10111011, sketch the output waveform if the following modulator is used: Amplitude Shift Keying (ASK) (2 marks) Frequency Shift Keying(FSK) (2 marks) (iii) Phase Shift Keying (PSK)...
Question 2 An analog signal with a power Pm-GW, and a bandwidth of 4kHz is sampled at a rate f, = 10ksamples/sec. (a) What value of A will lead to an SQNR of 55dB if uniform quantization is used? (b) If the peak voltage of m(t) is 8V, what value of L satisfies (a)? (c) How many bits per sample should be used? (d) What is the bit rate if we use the number of bits per sample from (c)?...
3. With the aid of a diagram, briefly explain th ing principle of a Successive a) Approximation Analog-to-Digital Converter (ADC) b) An ADC has to be designed to convert voltages in the range from -5 V to +5 V, with a resolution below (better than) 1 mV. What is the minimum number of bits required to meet this design specification? An ADC has to be designed to convert input voltage signals with frequency c) components less than or equal o...
a. Describe TWO (2) advantages and TWO (2) disadvantages of digital transmission. (CO1: PO1 - 4 marks) b. Sampling, quantization and coding are the three processes used to represent an analog signal in digital form. Considering an input signal into an 8-bit Pulse Code Modulation (PCM) system is a 20 Vp-p 50-Hz, answer the followings: i. Using appropriate diagram briefly describe TWO (2) basic methods to perform the sampling function. (CO2: PO2 - 2 marks) Determine the number of quantization...
Hexadecimal and binary numbers questions.
Can someone do number #5 and 6 only? Thank you.
5. (2 pts) Write, in hexadecimal, the largest (unsigned) number that can be stored in 32 bits. 6. (2 pts) How many hexadecimal digits are required to write down a 2048-bit number? 7. (2 pts) How many hexadecimal digits are required to write down a 320-byte number? 8. (2 pts) How many bytes does it take to store a 128-bit number in a computer?
PLEASE NOTE: PLEASE ANSWER IN MATHEMATICAL FORM!!
THIS IS NOT ESSAY QUESTION. THANKS
Question 5 The shortest IEEE standard for rep- expnt fraction resenting rational numbers is called half-precision float- sign (S bit) ing point. It uses a 16-bit word partitioned as in the I diagram at right. (This diagram is taken from the Wiki can be found.) (10 bit) article on the subject, where more details 15 10 As described in lectures, to store a rational number r it...
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