MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Wireless & Mobile Communications Questions & Answers Characteristics of Speech Signals knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Low frequency signals contribute very little to the total speech signals. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Spectral flatness measure is the ratio of ______ and _____ |
| A. | Variance, Geometric mean |
| B. | Geometric Mean, Variance |
| C. | Arithmetic mean, geometric mean |
| D. | Geometric mean, arithmetic mean |
| Answer» D. Geometric mean, arithmetic mean | |
| 3. |
Power spectral density of speech is flat. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Auto correlation function measures______ between samples of a speech signal as a function of _______ |
| A. | Similarity, frequency |
| B. | Dissimilarity, time |
| C. | Similarity, time |
| D. | Dissimilarity, frequency |
| Answer» D. Dissimilarity, frequency | |
| 5. |
Vocoders has _______ complexity and achieves _______ economy in transmission bit rate. |
| A. | Maximum, moderate |
| B. | Maximum, high |
| C. | Minimal, moderate |
| D. | Minimal, high |
| Answer» C. Minimal, moderate | |