HOW DOES A SOUND CARD AND VIDEO CARD WORK? A SOUND CARD, ALSO KNOWN AS AN AUDIO INTERFACE OR AUDIO CARD, IS A HARDWARE COMPONENT IN A COMPUTER THAT IS RESPONSIBLE FOR PROCESSING AND MANAGING AUDIO SIGNALS. ITS PRIMARY FUNCTION IS TO CONVERT DIGITAL DATA INTO ANALOG SIGNALS THAT CAN BE PLAYED THROUGH SPEAKERS OR HEADPHONES, AND VICE VERSA. HERE'S A BRIEF OVERVIEW OF HOW A SOUND CARD WORKS IN A PC: 1. INPUT AND OUTPUT: · INPUT: WHEN YOU SPEAK INTO A MICROPHONE OR CONNECT ANOTHER AUDIO SOURCE TO YOUR COMPUTER, THE SOUND CARD CONVERTS THE ANALOG AUDIO SIGNALS FROM THE MICROPHONE INTO DIGITAL DATA THAT THE COMPUTER CAN PROCESS. · OUTPUT: WHEN YOU PLAY MUSIC, VIDEOS, OR ANY OTHER AUDIO CONTENT ON YOUR COMPUTER, THE SOUND CARD CONVERTS THE DIGITAL AUDIO DATA INTO ANALOG SIGNALS THAT CAN BE SENT TO SPEAKERS OR HEADPHONES FOR YOU TO HEAR. 2. ...
DIGITAL IMAGES, DIGITAL IMAGES QUALITIES A SHORT NOTE: THE FOLLOWING TERMINOLOGY IS HELPFUL TO KNOW WHEN LEARNING ABOUT THE TYPES OF DIGITAL IMAGES. TONAL RANGE – IT IS ALSO CALLED DYNAMIC RANGE. THIS TERM REFERS TO DARK TO LIGHT RANGES OR VALUES IN AN IMAGE USUALLY REFERED TO AS SHADOWS MIDTONES AND HIGHLIGHTS. AN IMAGE THAT CONTAINS ALL OR MOST OF THE POSSIBLE TONES, RATHER THAN A SMALLER PORTION OF THE POSSIBLE TONES, USUALLY APPEARED MORE DETAILS AND SAID TO HAVE LARGER TONAL RANGE OR DYNAMIC RANGE. TONES MAY ALSO REFFERED TO AS LEVELS OR INTENSITIES. BRIGHTNESS LIGHTNESS LUMINOSITY LUMINANCE - THESE TERMS REFER TO DARK TO LIGHT TONAL CHARACTERISTICS, AS OPPOSED TO COLOR CHARACTERISTICS. THEY CAN BE THOUGHT OF AS DESCRIBING THE IMAGE AS IF THE COLORS HAD BEEN CONVERTED TO BLACKS GRAYS AND WHITES HUE – IT IS IDENTIFIED BY THE NAME OF THE COLOR SUCH AS RED ...