gsm cell phone to height dimensions of the screen. A standard TV has an aspect ratio of 4:3, whereas a high definition TV (HDTV) or wide screen TV has an aspect ratio of 16:9. A is the start of
gsm cell phone chapter. This allows the player to jump to a specific location. Digital Sound and picture a DVD are stored digitally. Converting an analog signal to digital will cause some
loss of quality, but digital information can be stored, retrieved, and compressed easier and with fewer errors. See Analog. Frame A frame is a single still picture. A series of frames are displayed in sequence which gives the impression of
motion. gsm cell phone MPEG MPEG stands for Moving Picture Experts Group; this is an international standards group for the compression of moving images and sound. Multi angle Some DVD movies allow the viewer to select a different angle for viewing. PCM See Pulse Code Modulation. Pulse Code Modulation (PCM) This is a digital audio output. This type of output is common CD and DVD players. Sampling Frequency This describes the number of pieces a sound wave is broken into when converted to a digital signal. A frequency of 96kHz is equal to 96000 samples per second, so a bigger number is better. FAQS: HDTV What is Digital Television or DTV? Digital TVs are televisions that can receive and display digital television broadcasts sent using any of eighteen digital signaling methods. Consumer Electronics Association (CEA) classifies digital televisions in three broad categories: HDTV (High Definition TV), EDTV (Enhanced Digital TV), and SDTV (Standard Definition TV). How is my current television different from DTVs? The TV you watch today is based an analog system developed over 50 years ago. Due to the analog nature of the system, it is likely that your current TV was designed to receive analog signals only. You can receive and display digital broadcasts your existing analog TV through a digital to analog converter box; however, its quality is compromised by the display limitations of the analog TV. What is the difference between HDTV, EDTV, and SDTV? HDTV, EDTV,
the ability of a digital television to re display various digital TV broadcasts in its original format. Digital TV broadcasts can be transmitted using any of eighteen resolution formats (See#4); however, digital televisions differ in their ability to redisplay the image, especially when a high definition image is received. HDTVs can receive all 18 formats and re display high definition images using 540 lines (1080 lines interlaced) or 720 lines (progressive scanning method) without down converting. EDTVs can receive all 18 formats including high definition broadcasts and all
This method reduces flicker; however, picture quality may not
all 18 formats including