아날로그TV와 디지털TV

<P> <IMG height=48 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.samsungsvc.co.kr%2Fsvc%2Fmail%2Fdtv%2Fimages%2Fdtv_dvsatv_01.gif" width=480 border=0></P> <P>     <IMG height=61 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.samsungsvc.co.kr%2Fsvc%2Fmail%2Fdtv%2Fimages%2Fdtv_dvsatv_02.gif" width=445 border=0></P> <P>                <IMG height=26 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.samsungsvc.co.kr%2Fsvc%2Fmail%2Fdtv%2Fimages%2Fdtv_dvsatv_03.gif" width=122 border=0>                                    <IMG height=26 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.samsungsvc.co.kr%2Fsvc%2Fmail%2Fdtv%2Fimages%2Fdtv_dvsatv_04.gif" width=122 border=0></P> <P> <TABLE style="WIDTH: 100%" cellSpacing=1 cellPadding=1 border=1> <TBODY> <TR> <TD> <IMG height=81 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.samsungsvc.co.kr%2Fsvc%2Fmail%2Fdtv%2Fimages%2Fdtv_analog_01.gif" width=98 border=0></TD> <TD>-화질이 떨어짐<BR>-일반화면(4:3)</TD> <TD> <IMG height=91 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.samsungsvc.co.kr%2Fsvc%2Fmail%2Fdtv%2Fimages%2Fdtv_digital_01.gif" width=98 border=0></TD> <TD>-고화질(기존TV보다 5배)<BR>-고음질(5.1채널의 Surround)<BR>-근거리에서 피로감 없이 시청<BR>-Wide화면(16:9)</TD></TR> <TR> <TD> <IMG height=74 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.samsungsvc.co.kr%2Fsvc%2Fmail%2Fdtv%2Fimages%2Fdtv_analog_02.gif" width=98 border=0></TD> <TD>-일방적 서비스<BR>-Passive 정보</TD> <TD> <IMG height=77 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.samsungsvc.co.kr%2Fsvc%2Fmail%2Fdtv%2Fimages%2Fdtv_digital_02.gif" width=98 border=0></TD> <TD>-Interactive 정보서비스<BR>-전자상거래, 홈쇼핑<BR>-Internet</TD></TR> <TR> <TD> <IMG height=64 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.samsungsvc.co.kr%2Fsvc%2Fmail%2Fdtv%2Fimages%2Fdtv_analog_03.gif" width=98 border=0></TD> <TD>-1채널(6MHz)에  1방송<BR>-여유방송채널<BR>  없음</TD> <TD> <IMG height=64 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.samsungsvc.co.kr%2Fsvc%2Fmail%2Fdtv%2Fimages%2Fdtv_digital_03.gif" width=98 border=0></TD> <TD>-1채널(6MHz)에 4~6개 방송<BR>-유료 방송 서비스</TD></TR></TBODY></TABLE></P> <P> </P> <P> <IMG height=22 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.samsungsvc.co.kr%2Fsvc%2Fmail%2Fdtv%2Fimages%2Fdtv_button_01.gif" width=134 border=0></P> <P> <TABLE class=info style="WIDTH: 300px; LINE-HEIGHT: 13pt; HEIGHT: 211px" cellSpacing=0 cellPadding=0 width=300 bgColor=#ffffff border=0> <TBODY> <TR vAlign=top> <TD class=headblue width=510 colSpan=2 height=20> <P> 1. 디지털 방송이란? <BR>  프로그램 제작, 전송, 수신 등 전 과정이 아날로그이던 것이 디지털로 처리되어 신호의 손상이 없는 고선명 화질은 물론 다양한 부가 서비스도 즐길 수 있는 멀티미디어형 방송입니다.</P> <P>디지털 방송은 총 18개의 다양한 포맷이 존재합니다.<BR>이런 다양한 방식은 크게 기존보다 5배 더 선명한 HD(High Definition)급과 기존 아날로그 TV화질의 중간 화질인 SD(Standard Definition)급으로 나뉘어 집니다. <BR></P> <P style="FONT-SIZE: 13px; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 21px; FONT-FAMILY: '한컴바탕'; TEXT-ALIGN: justify"><SPAN> <IMG style="MARGIN: 10px 0px" height=148 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.samsungsvc.co.kr%2Fsvc%2Fmail%2Fdtv%2Fimages%2Fdtv_digital_04.gif" width=500 border=0></SPAN></P> <P style="FONT-SIZE: 13px; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 21px; FONT-FAMILY: '한컴바탕'; TEXT-ALIGN: justify"><SPAN>※ 디지털신호는 왜곡된 신호를 원래신호로 복원가능<BR>※ 정보를 디지털로 압축하여 전송하므로 많은 정보를 송수신 가능 (부가서비스)<BR>※ 아날로그대비 전파의 전송효율이 높아 소출력으로 기존지역 대응가능</P> <P> </P> <P> <TABLE class=info style="WIDTH: 546px; LINE-HEIGHT: 13pt; HEIGHT: 98px" cellSpacing=0 cellPadding=0 width=546 bgColor=#ffffff border=0> <TBODY> <TR vAlign=top> <TD class=headblue width=510 colSpan=2 height=20> <P>2. 디지털 방송의 특징</P> <P>HD 고선명 화질 :1080라인의 고화질로 5배 더 선명한 화질을 감상할 수 있습니다.<BR><BR></P></TD></TR> <TR vAlign=top> <TD width=10></TD> <TD width=10></TD> <TD width=500></TD></TR></TBODY></TABLE></P></SPAN></TD></TR> <TR vAlign=top> <TD width=10> <P> </P> <P> </P></TD> <TD width=10></TD> <TD width=500></TD></TR></TBODY></TABLE></P> <P> </P> <P> <TABLE class=info style="LINE-HEIGHT: 13pt" cellSpacing=0 cellPadding=0 width=500 bgColor=#ffffff border=0> <TBODY> <TR bgColor=#00adef height=30> <TD class=headblue align=middle width=125> <DIV class=margin><FONT color=#ffffff>아날로그화질</FONT></DIV> <TD noWrap width=1 bgColor=#b3b3b3></TD> <TD class=headblue align=middle colSpan=3> <DIV class=margin><FONT color=#ffffff>디지털 화질</FONT></DIV></TD> <TR> <TD bgColor=#000000 colSpan=7 height=1></TD></TR> <TR bgColor=#00adef height=30> <TD align=middle></TD> <TD noWrap width=1 bgColor=#b3b3b3></TD> <TD class=headblue align=middle width=125> <DIV class=margin><FONT color=#ffffff>기존TV<BR>일반화질</FONT></DIV></TD> <TD noWrap width=1 bgColor=#b3b3b3></TD> <TD class=headblue align=middle width=125> <DIV class=margin><FONT color=#ffffff>SDTV<BR>표준화질</FONT></DIV></TD> <TD noWrap width=1 bgColor=#b3b3b3></TD> <TD class=headblue align=middle width=125> <DIV class=margin><FONT color=#ffffff>HDTV<BR>고선명화질</FONT></DIV></TD></TR> <TR height=30> <TD align=middle bgColor=#f1f1f1> <DIV class=margin>화질수준</DIV></TD> <TD noWrap width=1 bgColor=#b3b3b3></TD> <TD align=middle width=125> <DIV class=margin>1</DIV></TD> <TD noWrap width=1 bgColor=#b3b3b3></TD> <TD align=middle width=125> <DIV class=margin>2</DIV></TD> <TD noWrap width=1 bgColor=#b3b3b3></TD> <TD align=middle width=125> <DIV class=margin>5</DIV></TD></TR> <TR> <TD bgColor=#b3b3b3 colSpan=7 height=1></TD></TR> <TR height=30> <TD align=middle bgColor=#f1f1f1> <DIV class=margin>주사방식</DIV></TD> <TD noWrap width=1 bgColor=#b3b3b3></TD> <TD align=middle width=125> <DIV class=margin>비월주사</DIV></TD> <TD noWrap width=1 bgColor=#b3b3b3></TD> <TD align=middle width=125> <DIV class=margin>2중주사</DIV></TD> <TD noWrap width=1 bgColor=#b3b3b3></TD> <TD align=middle width=125> <DIV class=margin>2배밀주사</DIV></TD></TR> <TR> <TD bgColor=#b3b3b3 colSpan=7 height=1></TD></TR> <TR height=30> <TD align=middle bgColor=#f1f1f1> <DIV class=margin>주사선수</DIV></TD> <TD noWrap width=1 bgColor=#b3b3b3></TD> <TD align=middle width=125> <DIV class=margin>480i</DIV></TD> <TD noWrap width=1 bgColor=#b3b3b3></TD> <TD align=middle width=125> <DIV class=margin>480P</DIV></TD> <TD noWrap width=1 bgColor=#b3b3b3></TD> <TD align=middle width=125> <DIV class=margin>1080i</DIV></TD></TR> <TR> <TD bgColor=#b3b3b3 colSpan=7 height=1></TD></TR> <TR height=30> <TD align=middle bgColor=#f1f1f1> <DIV class=margin>화면비율</DIV></TD> <TD noWrap width=1 bgColor=#b3b3b3></TD> <TD align=middle width=125> <DIV class=margin>4 : 3</DIV></TD> <TD noWrap width=1 bgColor=#b3b3b3></TD> <TD align=middle width=125> <DIV class=margin>16 : 9</DIV></TD> <TD noWrap width=1 bgColor=#b3b3b3></TD> <TD align=middle width=125> <DIV class=margin>16 : 9</DIV></TD></TR></TBODY></TABLE></P> <P> </P> <P>                                    </P> <P> </P> <P> <TABLE cellSpacing=0 cellPadding=0 width=530 border=0> <TBODY> <TR> <TD width=520 bgColor=#ffffff> <TABLE class=info style="LINE-HEIGHT: 13pt" cellSpacing=0 cellPadding=0 width=520 bgColor=#ffffff border=0> <TBODY> <TR vAlign=top> <TD width=500><FONT class=copybuynow>돌비  디지털 서라운드 :<BR> 돌비 디지털 서라운드(5.1채널)을 채용, 현장의 원음을 생생하게 재현합니다. <BR>                                                                                                                   </FONT></TD></TR> <TR vAlign=top> <TD width=10> <P> <IMG height=253 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.samsungsvc.co.kr%2Fsvc%2Fmail%2Fdtv%2Fimages%2Fdtv_term_01.gif" width=345 border=0></P> <P> </P> <P> <TABLE style="WIDTH: 5315.2%; HEIGHT: 117px" cellSpacing=1 cellPadding=1 border=1> <TBODY> <TR> <TD> <P>쌍방향 커뮤니케이션 :<BR>프로그램 안내 및 방송정보 서비스(EPG) 손쉽고 편리한 인터넷 항해로</P> <P> PC보다 훨씬 쉽고 편리하게 정보검색/e-mail/인터넷 쇼핑/주식 등의 </P> <P>정보를 얻을 수 있습니다.</P></TD></TR></TBODY></TABLE></P> <P> <IMG height=270 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.samsungsvc.co.kr%2Fsvc%2Fmail%2Fdtv%2Fimages%2Fdtv_digital_06.gif" width=500 border=0></P> <P> </P></TD> <TD width=10></TD> <TD align=middle width=500></TD></TR> <TR> <TD colSpan=3 height=10></TD></TR> <TR vAlign=top> <TD width=10> <TABLE style="WIDTH: 5415.38%; HEIGHT: 126px" cellSpacing=1 cellPadding=1 border=1> <TBODY> <TR> <TD> <P>멀티 채널 :<BR>한 채널에서 고화질(HD) 1개 방송, 혹은 표준화질(SD) 4개 방송을 시청할 수 있습니다.<BR>멀티 채널이 가능한 것은 디지털 방송이 '영상압축기술'을 사용하여, </P> <P>전송할 때 영상을 압축 하여 보내기 때문입니다                                       <BR>.</P></TD></TR></TBODY></TABLE></TD> <TD width=10></TD> <TD width=500></TD></TR> <TR vAlign=top> <TD width=10> <IMG style="MARGIN: 10px 0px" height=88 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.samsungsvc.co.kr%2Fsvc%2Fmail%2Fdtv%2Fimages%2Fdtv_digital_05.gif" width=457 border=0></TD> <TD width=10></TD> <TD align=middle width=500></TD></TR> <TR> <TD colSpan=3 height=10></TD></TR> <TR vAlign=top> <TD width=10></TD> <TD width=10></TD> <TD width=500></TD></TR> <TR vAlign=top> <TD width=10></TD> <TD width=10></TD> <TD align=middle width=500> </TD></TR> <TR> <TD align=right colSpan=3><A href="http://www.samsungsvc.co.kr/svc/mail/dtv/dtv_01.html?SMSESSION=NO#"> <IMG style="MARGIN: 10px 0px" height=8 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.samsungsvc.co.kr%2Fsvc%2Fmail%2Fdtv%2Fimages%2Fbt_top.gif" width=26 border=0></A></TD></TR></TBODY></TABLE></TD></TR> <TR> <TD align=middle bgColor=#ffffff height=20></TD></TR></TBODY></TABLE></P>