MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Wireless & Mobile Communications Questions & Answers Frequency Domain Coding of Speech knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The speech coding technique that is dependent on the prior knowledge of the signal is __________ |
| A. | Waveform coders |
| B. | Vocoders |
| C. | Sub band coding |
| D. | Block transform |
| Answer» C. Sub band coding | |
| 2. |
Speech coders are categorized on the basis of __________ |
| A. | Signal compression techniques |
| B. | Frequency of signal |
| C. | Bandwidth of the signal |
| D. | Phase of the signal |
| Answer» B. Frequency of signal | |
| 3. |
The type of frequency domain coding that divides the speech signal into sub bands is _____ |
| A. | Waveform coding |
| B. | Vocoders |
| C. | Block transform coding |
| D. | Sub-band coding |
| Answer» E. | |
| 4. |
Waveform coders and Vocoders are the types of ____________ |
| A. | Speech coders |
| B. | Modulation technique |
| C. | Frequency translation methods |
| D. | Channel allocation for transmission |
| Answer» B. Modulation technique | |
| 5. |
What does ATC stands for in speech coders? |
| A. | Automatic transform code |
| B. | Air traffic controller |
| C. | Active thermal convection |
| D. | Adaptive transform coding |
| Answer» E. | |
| 6. |
Which of the following is one of the most frequently used transform in speech coding? |
| A. | Fourier transform |
| B. | Wavelet transform |
| C. | Shearlet transform |
| D. | Discrete cosine transform |
| Answer» E. | |
| 7. |
Sub band coding codes the short time transform of a windowed signal. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Quantization is a ________ process. |
| A. | Linear |
| B. | Direct |
| C. | Non-linear |
| D. | Indirect |
| Answer» D. Indirect | |
| 9. |
In frequency domain coding of speech, the number of bits used to encode each frequency component is constant. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Frequency domain coders divides the speech signal into __________ |
| A. | A set of frequency components |
| B. | A set of different amplitudes |
| C. | A set of time delays |
| D. | A set of phase components |
| Answer» B. A set of different amplitudes | |