Like what you see? Get it in one document for easy printing!
Click Here!
Use coupon code "SAVE50" to get it half price!

Custom Search







Table Of Contents  CertiGuide to A+ (Core Hardware)
 9  Chapter 1000:  Multimedia
      9  V  Sound

Previous Topic/Section
V  Sound
Previous Page
Pages in Current Topic/Section
1
Next Page
Sample Resolution
Next Topic/Section

Sample Rate

The computer samples for changes in frequency along the x-axis of the wave, at given intervals. This is known as a sample rate. Its frequency is measured in hertz (Hz).

If a sound had a frequency of 1 Hz, it would take a minimum of two samples per cycle, or a 2 Hz sample rate to interpret. The human voice can range from 50 Hz up to about 4 KHz (KHz – Kilohertz – 1000 Hz).

This would require the ability to sample at a minimum of 8 KHz to capture the sound of a human voice. Musical instruments can reach frequencies up to 20 KHz. That is why standard sampling rate for CD-Audio is 44.1 KHz, just enough to sample music.


Previous Topic/Section
V  Sound
Previous Page
Pages in Current Topic/Section
1
Next Page
Sample Resolution
Next Topic/Section

If you find CertiGuide.com useful, please consider making a small Paypal donation to help the site, using one of the buttons below. You can also donate a custom amount using the far right button (not less than $1 please, or PayPal gets most/all of your money!) In lieu of a larger donation, you may wish to consider buying an inexpensive PDF equivalent of the CertiGuide to A+ (Core Hardware) from StudyExam4Less.com. (Use coupon code "SAVE50" to save a full 50% off the already low price!) Thanks for your support!
Donate $2
Donate $5
Donate $10
Donate $20
Donate $30
Donate: $



Home - Table Of Contents - Contact Us

CertiGuide to A+ (Core Hardware) (http://www.CertiGuide.com/aplush/) on CertiGuide.com
Version 1.0 - Version Date: December 6, 2004

Adapted with permission from a work created by Tcat Houser.
CertiGuide.com Version Copyright 2004 Charles M. Kozierok. All Rights Reserved.
Not responsible for any loss resulting from the use of this site.