Steps to follow to produce PCM signal. A. Quantizing, sampling, and coding B. Sampling, quantizing, and coding C. Sampling, coding and quantizing D. Coding, quantizing and coding

Steps to follow to produce PCM signal.
A. Quantizing, sampling, and coding
B. Sampling, quantizing, and coding
C. Sampling, coding and quantizing
D. Coding, quantizing and coding
by

1 Answer

Answer :

B. Sampling, quantizing, and coding
by

Related questions

Quantizing noise occurs in A. PCM B. PLM C. PDM D. PAM

Description : Quantizing noise occurs in A. PCM B. PLM C. PDM D. PAM

Last Answer : A. PCM

What is the reason why companding is employed in PCM systems? A. To overcome impulse noise in PCM receivers B. To allow amplitude limiting in the receivers C. To solve quantizing noise problem D. To protect small signals in PCM from quantizing distortion

Description : What is the reason why companding is employed in PCM systems? A. To overcome impulse noise in PCM receivers B. To allow amplitude limiting in the receivers C. To solve quantizing noise problem D. To protect small signals in PCM from quantizing distortion

Last Answer : D. To protect small signals in PCM from quantizing distortion

The process of assigning PCM codes to absolute magnitudes A. Overloading B. All of these C. Quantizing D. Multiplexing

Description : The process of assigning PCM codes to absolute magnitudes A. Overloading B. All of these C. Quantizing D. Multiplexing

Last Answer : C. Quantizing

Which causes a quantization noise in PCM system? A. Serial transmission errors B. The approximation of the quantized signal C. The synchronization between encoder and decoder D. Binary coding techniques

Description : Which causes a quantization noise in PCM system? A. Serial transmission errors B. The approximation of the quantized signal C. The synchronization between encoder and decoder D. Binary coding techniques

Last Answer : B. The approximation of the quantized signal

Which causes a quantization noise in PCM system? A. Serial transmission errors B. The approximation of the quantized signal C. The synchronization between encoder and decoder D. Binary coding techniques

Description : Which causes a quantization noise in PCM system? A. Serial transmission errors B. The approximation of the quantized signal C. The synchronization between encoder and decoder D. Binary coding techniques

Last Answer : The approximation of the quantized signal

12 voice channels are sampled at 8000 sampling rate and encoded into 8 bit PCM word. Determine the rate of the data stream. a. 354 kbps b. 750 kbps c. 768 kbps d. 640 kbps

Description : 12 voice channels are sampled at 8000 sampling rate and encoded into 8 bit PCM word. Determine the rate of the data stream. a. 354 kbps b. 750 kbps c. 768 kbps d. 640 kbps

Last Answer : c. 768 kbps

ECE Board Exam March 1996 According to the Nyquist theorem, the sampling rate that can be used in a PCM system is ________ the highest audio frequency. A. once B. eight times C. twice D. thrice

Description : ECE Board Exam March 1996 According to the Nyquist theorem, the sampling rate that can be used in a PCM system is ________ the highest audio frequency. A. once B. eight times C. twice D. thrice

Last Answer : C. twice

Noise occurring in the presence of signal resulting from a mismatch between the exact value of an analog signal and the closet available quantizing step in a digital coder. A. Quantizing noise B. Thermal noise C. Impulse noise D. Crosstalk

Description : Noise occurring in the presence of signal resulting from a mismatch between the exact value of an analog signal and the closet available quantizing step in a digital coder. A. Quantizing noise B. Thermal noise C. Impulse noise D. Crosstalk

Last Answer : A. Quantizing noise

The difference between the original and reconstructed signal gives rise to A. S factor B. Quantizing noise C. S/N D. Fade margin

Description : The difference between the original and reconstructed signal gives rise to A. S factor B. Quantizing noise C. S/N D. Fade margin

Last Answer : B. Quantizing noise

The most common technique to change an analog signal to digitaldata is called __________. A) PAL B) PCM C) sampling D) none of the abov

Description : The most common technique to change an analog signal to digitaldata is called __________. A) PAL B) PCM C) sampling D) none of the abov

Last Answer : PCM

Choosing a discrete value that is near but not exactly at the analog signal level leads to a) PCM error b) Quantization error c) PAM error d) Sampling error

Description : Choosing a discrete value that is near but not exactly at the analog signal level leads to a) PCM error b) Quantization error c) PAM error d) Sampling error

Last Answer : b) Quantization error

The signals which are obtained by encoding each quantized signal into a digital word is called as a) PAM signal b) PCM signal c) FM signal d) Sampling and quantization

Description : The signals which are obtained by encoding each quantized signal into a digital word is called as a) PAM signal b) PCM signal c) FM signal d) Sampling and quantization

Last Answer : b) PCM signal

What is the quantization signal-to-noise ratio if an 8-bit PCM code is used? A. 40 dB B. 50 dB C. 60 dB D. 65 dB

Description : What is the quantization signal-to-noise ratio if an 8-bit PCM code is used? A. 40 dB B. 50 dB C. 60 dB D. 65 dB

Last Answer : B. 50 dB

Crosstalk due to incomplete suppression of sidebands or to intermodulation of two or more frequency-multiplexed channels which is unintelligible is classified as A. Impulse noise B. Thermal noise C. Quantizing noise D. Miscellaneous noise

Description : Crosstalk due to incomplete suppression of sidebands or to intermodulation of two or more frequency-multiplexed channels which is unintelligible is classified as A. Impulse noise B. Thermal noise C. Quantizing noise D. Miscellaneous noise

Last Answer : D. Miscellaneous noise

Noise that occurs via capacitive or inductive coupling in a cable. A. Crosstalk B. Quantizing noise C. Reference noise D. Tone interference

Description : Noise that occurs via capacitive or inductive coupling in a cable. A. Crosstalk B. Quantizing noise C. Reference noise D. Tone interference

Last Answer : A. Crosstalk

Noise consisting of irregular pulses of short duration and relatively high amplitude, A. Quantizing noise B. Tone interference C. Impulse noise D. Cross talk

Description : Noise consisting of irregular pulses of short duration and relatively high amplitude, A. Quantizing noise B. Tone interference C. Impulse noise D. Cross talk

Last Answer : C. Impulse noise

Noise consisting of irregular pulses of short duration and relatively high amplitude, A. Quantizing noise B. Tone interference C. Impulse noise D. Cross talk

Description : Noise consisting of irregular pulses of short duration and relatively high amplitude, A. Quantizing noise B. Tone interference C. Impulse noise D. Cross talk

Last Answer : A. Quantizing noise

Which does not effect noise in a channel? A. None of these B. Bandwidth C. Temperature D. Quantizing level

Description : Which does not effect noise in a channel? A. None of these B. Bandwidth C. Temperature D. Quantizing level

Last Answer : D. Quantizing level

The transformer signal coding method for T1 carrier is A. Binary B. NRZ C. Manchester D. Bipolar

Description : The transformer signal coding method for T1 carrier is A. Binary B. NRZ C. Manchester D. Bipolar

Last Answer : D. Bipolar

Quantization noise is caused by A. binary coding techniques B. serial transmission errors C. the synchronization between encoder and decoder D. the approximation of the quantized signal

Description : Quantization noise is caused by A. binary coding techniques B. serial transmission errors C. the synchronization between encoder and decoder D. the approximation of the quantized signal

Last Answer : D. the approximation of the quantized signal

The first step in PCM is ________. A) quantization B) modulation C) sampling D) none of the above

Description : The first step in PCM is ________. A) quantization B) modulation C) sampling D) none of the above

Last Answer : sampling

A theory that establishes the minimum sampling rate that can be used for a given PCM systems.

Description : A theory that establishes the minimum sampling rate that can be used for a given PCM systems.

Last Answer : Nyquist sampling theorem

A theory that establishes the minimum sampling rate that can be used for a given PCM systems

Description : A theory that establishes the minimum sampling rate that can be used for a given PCM systems

Last Answer : Nyquist sampling theorem

The most common method used for sampling voice signals in PCM systems.

Description : The most common method used for sampling voice signals in PCM systems.

Last Answer : flat top sampling

Involves compression in the transmitter after the input sample has been converted to a linear PCM code and then expansion in the receiver prior to PCM coding:

Description : Involves compression in the transmitter after the input sample has been converted to a linear PCM code and then expansion in the receiver prior to PCM coding:

Last Answer : Digital companding

Which standard is utilized in intermodulation noise rates on PCM audio channels? A. CCIT Rec. G.151 B. CCIT Rec. G.172 C. CCIT Rec. G.190 D. CCIT Rec. G.190

Description : Which standard is utilized in intermodulation noise rates on PCM audio channels? A. CCIT Rec. G.151 B. CCIT Rec. G.172 C. CCIT Rec. G.190 D. CCIT Rec. G.190

Last Answer : B. CCIT Rec. G.172

What is the minimum number of bits required in a PCM code for a range of 10,000? A. 12 B. 9 C. 14 D. 10

Description : What is the minimum number of bits required in a PCM code for a range of 10,000? A. 12 B. 9 C. 14 D. 10

Last Answer : C. 14

What is the number of levels required in a PCM system with S/N ratio of 40 dB? A. 64 B. 128 C. 256 D. 512

Description : What is the number of levels required in a PCM system with S/N ratio of 40 dB? A. 64 B. 128 C. 256 D. 512

Last Answer : B. 128

In SPADE system, how many PCM-encoded voice band channels are there? A. 800 B. 600 C. 300 D. 240

Description : In SPADE system, how many PCM-encoded voice band channels are there? A. 800 B. 600 C. 300 D. 240

Last Answer : A. 800

________ is the method of encoding audio signals used in US standard 1544 kbit/s 24 channel PCM systems. A. Shannon’s law B. A-law C. Newton’s law D. Mu-law

Description : ________ is the method of encoding audio signals used in US standard 1544 kbit/s 24 channel PCM systems. A. Shannon’s law B. A-law C. Newton’s law D. Mu-law

Last Answer : D. Mu-law

ECE Board Exam March 1996 Which of the following pulse modulation systems is analog? A. Delta B. Differential PCM C. PWM D. PCM

Description : ECE Board Exam March 1996 Which of the following pulse modulation systems is analog? A. Delta B. Differential PCM C. PWM D. PCM

Last Answer : C. PWM

A dipole antenna requires to be fed with 20 kW of power to produce a given signal strength to a particular distant point. If the addition of a reflector makes the same field strength available with an input power of 11kW. What is the gain in dB, obtained by the use if the reflector. (Gain referred to this particular dipole). A. 4.75 B. 2.6 C. 1.81 D. 4.24

Description : A dipole antenna requires to be fed with 20 kW of power to produce a given signal strength to a particular distant point. If the addition of a reflector makes the same field strength available with an input power of 11kW ... Gain referred to this particular dipole). A. 4.75 B. 2.6 C. 1.81 D. 4.24

Last Answer : B. 2.6

A dipole antenna requires to be feed with 20 kW of power to produce a given signal strength to a particular distant point. If the addition of a reflector makes the same field strength available with an input power of 11 kW. What is the gain in dB obtain by the use of the reflector ? ( Gain referred to this particular dipole) A. 4.24 B. 1.81 C. 4.75 D. 2.6

Description : A dipole antenna requires to be feed with 20 kW of power to produce a given signal strength to a particular distant point. If the addition of a reflector makes the same field strength available with an input power of 11 ... ( Gain referred to this particular dipole) A. 4.24 B. 1.81 C. 4.75 D. 2.6

Last Answer : D. 2.6

Highest theoretical frequency that can be processed at a sampling rate without aliasing. A. Folding frequency B. Resonant frequency C. Natural frequency D. Critical frequency

Description : Highest theoretical frequency that can be processed at a sampling rate without aliasing. A. Folding frequency B. Resonant frequency C. Natural frequency D. Critical frequency

Last Answer : A. Folding frequency

What is the advantage of PTM over PAM? A. All of these B. Low sampling rate is required C. Much better noise immunity D. Simpler to generate

Description : What is the advantage of PTM over PAM? A. All of these B. Low sampling rate is required C. Much better noise immunity D. Simpler to generate

Last Answer : C. Much better noise immunity

Used for transmission of PCM encoded time – division multiplexed digital signal.

Description : Used for transmission of PCM encoded time – division multiplexed digital signal.

Last Answer : T carriers

In a PCM system the number of quantization level are 16 and the maximum signal frequency is 4 KHz the

Description : In a PCM system the number of quantization level are 16 and the maximum signal frequency is 4 KHz the transmission bit rate is

Last Answer : In a PCM system the number of quantization level are 16 and the maximum signal frequency is 4 KHz the transmission bit rate is 32 Kbits/sec

Sources of impulse noise induced in communication channels. A. Erroneous digital coding bit caused by an error on a transmission facility B. Transients due to relay operation C. Crosstalk from dc signaling systems D. All of these

Description : Sources of impulse noise induced in communication channels. A. Erroneous digital coding bit caused by an error on a transmission facility B. Transients due to relay operation C. Crosstalk from dc signaling systems D. All of these

Last Answer : D. All of these

The speech coding rate in D-AMPS is ____. A. 8 kbps B. 13 kbps C. 15 kbps D. 20 kbps

Description : The speech coding rate in D-AMPS is ____. A. 8 kbps B. 13 kbps C. 15 kbps D. 20 kbps

Last Answer : A. 8 kbps

In GSM cellular system, the speech coding rate is ____. A. 13 kbps B. 8 kbps C. 15 kbps D. 20 kbps

Description : In GSM cellular system, the speech coding rate is ____. A. 13 kbps B. 8 kbps C. 15 kbps D. 20 kbps

Last Answer : A. 13 kbps

The use of statistics to make assumptions concerning some unknown aspect of a population from a sample of that population is known as follow; a. Inferential Statistics b. Parameter c. Descriptive Statistics d. Sampling

Description : The use of statistics to make assumptions concerning some unknown aspect of a population from a sample of that population is known as follow; a. Inferential Statistics b. Parameter c. Descriptive Statistics d. Sampling

Last Answer : a. Inferential Statistics

Suppose you want to investigate the working efficiency of nationalised bank in India, which one of the following would you follow? (A) Area Sampling (B) Multi-stage Sampling (C) Sequential Sampling (D) Quota Sampling

Description : Suppose you want to investigate the working efficiency of nationalised bank in India, which one of the following would you follow? (A) Area Sampling (B) Multi-stage Sampling (C) Sequential Sampling (D) Quota Sampling

Last Answer : (B) Multi-stage Sampling

Determining the sample interval (represented by k), randomly selecting a number between 1 and k, and including each kth element in your sample are the steps for which form of sampling? a. Simple Random Sampling b. Stratified Random Sampling c. Systematic Sampling d. Cluster sampling

Description : Determining the sample interval (represented by k), randomly selecting a number between 1 and k, and including each kth element in your sample are the steps for which form of sampling? a. Simple Random Sampling b. Stratified Random Sampling c. Systematic Sampling d. Cluster sampling

Last Answer : c. Systematic Sampling

Phenomena in which signal transmitted in one circuit creates undesired effect in other circuit is known as A. crosstalk B. signal attenuation C. sampling D. crosslinking

Description : Phenomena in which signal transmitted in one circuit creates undesired effect in other circuit is known as A. crosstalk B. signal attenuation C. sampling D. crosslinking

Last Answer : crosslinking

The analog signal needs to be sampled at a minimum sampling rate of: (A) 2fs (B) 1/(2fs) (C) fs/2 (D) 2/fs

Description : The analog signal needs to be sampled at a minimum sampling rate of: (A) 2fs (B) 1/(2fs) (C) fs/2 (D) 2/fs

Last Answer : (A) 2fs

As per Nyquist criterion the sampling rate is (A) 2fs (B) (1/2)fs (C) (1/2fs) (D) (2/fs) Where fs is the signal frequency

Description : As per Nyquist criterion the sampling rate is (A) 2fs (B) (1/2)fs (C) (1/2fs) (D) (2/fs) Where fs is the signal frequency

Last Answer : (A) 2fs

Explain flat top sampling with circuit diagram.Draw flat top sampled signal.

Description : Explain flat top sampling with circuit diagram.Draw flat top sampled signal.

Last Answer : Flat top sampling: In flat top sampling, the top of the samples remains constant and equal to the instantaneous value of the modulating signal at the start of the sampling. Thus the ... the sampled signal and the pulse signal. Flat top sampling is mostly used in digital transmission

The analog signal m(t) is given below m(t) = 4 cos 100 pt + 8 sin 200 pt + cos 300 pt, the Nyquist sampling

Description : The analog signal m(t) is given below m(t) = 4 cos 100 pt + 8 sin 200 pt + cos 300 pt, the Nyquist sampling rate will be: (1) 1/100 (2) 1/200 (3) 1/300 (4) 1/600 

Last Answer : The analog signal m(t) is given below m(t) = 4 cos 100 pt + 8 sin 200 pt + cos 300 pt, the Nyquist sampling rate will be: 1/300

The signal is extended from 96KHz to 100KHz, so the minimum sampling frequency required is...

Description : The signal is extended from 96KHz to 100KHz, so the minimum sampling frequency required is  (a) 8KHz (b) 200KHz (c) 4KHz (d) 100KHz

Last Answer : 200KHZ

Quantizing is ____

Description : Quantizing is ____

Last Answer : . A/D converter