In the 8-VSB system, a pilot signal is inserted by adding an offset of 1.25 constellation units to the eight defined symbol levels. Along with the upper sideband, a part of the lower sideband is also being transmitted in this technique. In TV Transmission the use of FM is made for Audio transmission and AM for Video transmission. For TV transmission, Both AM and FM are used. VSB modulation is preferred in TV because A. it reduces the bandwidth requirement to half B. it avoids phase distortion at low frequencies C. it results in better reception D. none of the above Uploaded by: ChefThunderGerbil But the problem with DSB is its bandwidth required is more. Therefore VSB ( Vestigial Side Band) transmisson is preferred this is because TV information gives you two types of information- audio and video. In single-sideband modulation, a DC offset at the input to the modulator results in a fixed amplitude component at the carrier frequency. VSB modulation is preferred in TV because (a) it reduces the bandwidth requirement to half (b) it avoids phase distortion at low frequencies (c) it results in better reception (d) none of the above 34. VSB modulation is preferred in TV because A. It avoids phase distortion at low frequencies. Which one of the following is analog? B. This is the job of the 8-VSB exciter. Actually Double Side band transmission is not wasting any data while traonsmission. 8VSB is the modulation method used for broadcast in the ATSC digital television standard.ATSC and 8VSB modulation is used primarily in North America; in contrast, the DVB-T standard uses COFDM.. A modulation method specifies how the radio signal fluctuates to convey information. VSB modulation is preferred in TV because A.it reduces the bandwidth requirement to half B.it avoids phase distortion at low frequencies C.it results in better reception D.none of the above. To deliver video signal to your TV screen, AM modulation is used. Answer & Solution Discuss in Board Save for Later 28. D. None of the above. Vestigial Sideband modulation (VSB) is used for the following reasons : 1. Post navigation. Figure 1 is a block diagram of a typical 8-VSB exciter. But there is no practical device exactly cut the sidebands and low frequency part contains important information. A VSB signal can be plotted as shown in the following figure. Vestigial Sideband Modulation or VSB Modulation is the process where a part of the signal called as vestige is modulated, along with one sideband. Because the video signals need a large transmission bandwidth using DSB-FC or DSF-SC techniques; This is a special type of AM system which is used mainly for the TV transmission all over the world. It reduces the bandwidth requirement to half. errors) to the eager consumer waiting at home in front of the TV set. Continue to order Get a quote. Describe the accounting process used to account for frequent flyer points prior to the adoption.. 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