Chapter 6 Homework - 1 CIS 3003 - Chapter 6 Homework 1. 2....

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
1 CIS 3003 - Chapter 6 Homework 1. Sound is caused by physical disturbances of air molecules. 2. When captured by a microphone, a pure sound is a signal that varies in a SINUSOIDAL manner 3. PERIOD is defined to be the time a wave requires to complete a single cycle; it is measured in seconds(s). 4. Before assigning binary codes to the samples, each must be quantized, or rounded off, to one of a finite number of voltages. 5. The standard sampling rate when digitizing audio signals for CD quality music is 44.1 KHZ . 6. Quantization error can be reduced by increasing the sampling frequency. 7. Quantization error can be reduced by taking more samples per second of the audio signal. FALSE 8. Aliasing occurs when a signal is sampled at a rate lower than the Nyquist rate. 9. Sound is classified as what type of wave? MECHANICAL WAVE 10. A water wave is classified as what type of wave? MECHANICAL WAVE 11. Which of the following devices converts sound into electricity? MICROPHONE 12. Which of the following devices converts electricity into sound? SPEAKER 13. Which of the following is part of a microphone that vibrates in proportion to the sound impinging on it? DIAPHRAGM
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/05/2010 for the course CIS CIS 3003 taught by Professor K during the Spring '10 term at University of Central Florida.

Page1 / 2

Chapter 6 Homework - 1 CIS 3003 - Chapter 6 Homework 1. 2....

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online