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<html><head><title>饮水思源精华区</title><Content-type: text/html; charset=gb2312><link rel=stylesheet type=text/css href="bbsdl.css"></head><table cellspacing=0 class=title width=90%><th class=title align=left width=20%>饮水思源站</th><th class=title align=center width=60%>文章阅读</th><th class=title align=right width=20%>精华区离线浏览</th></tr></table><hr><table align=center cellspacing=1 class=doc><tr><td>发信人:&nbsp;fangf&nbsp;(方方),&nbsp;信区:&nbsp;DSP<br>标&nbsp;&nbsp;题:&nbsp;数码音响影视设备简介(三)<br>发信站:&nbsp;饮水思源站&nbsp;(Sat&nbsp;Jun&nbsp;&nbsp;5&nbsp;11:10:19&nbsp;1999)&nbsp;,&nbsp;站内信件<br>激&nbsp;光&nbsp;影&nbsp;碟(Laser-Video-Disk,简&nbsp;称&nbsp;LD)已&nbsp;为&nbsp;许&nbsp;多&nbsp;人&nbsp;所&nbsp;认&nbsp;识,它&nbsp;深&nbsp;深<br>&nbsp;影&nbsp;响&nbsp;着&nbsp;人们&nbsp;的&nbsp;业&nbsp;余&nbsp;生&nbsp;活。LD&nbsp;最&nbsp;初&nbsp;采&nbsp;用&nbsp;调&nbsp;频&nbsp;方&nbsp;式&nbsp;记&nbsp;录&nbsp;模&nbsp;拟&nbsp;<br>图&nbsp;象&nbsp;信&nbsp;号&nbsp;和&nbsp;两&nbsp;路&nbsp;声&nbsp;音&nbsp;信&nbsp;号，&nbsp;后&nbsp;来&nbsp;又&nbsp;增&nbsp;加&nbsp;了&nbsp;和&nbsp;CD&nbsp;格&nbsp;式&nbsp;相&nbsp;同<br>&nbsp;的&nbsp;数&nbsp;字&nbsp;声&nbsp;音&nbsp;信&nbsp;号。&nbsp;<br>LD&nbsp;分&nbsp;为&nbsp;CAV&nbsp;和&nbsp;CLV&nbsp;两&nbsp;种&nbsp;规&nbsp;格&nbsp;碟&nbsp;片，&nbsp;直&nbsp;径&nbsp;分&nbsp;别&nbsp;为&nbsp;30cm&nbsp;和&nbsp;20cm，&nbsp;<br>单&nbsp;面&nbsp;播&nbsp;放&nbsp;时&nbsp;间&nbsp;达&nbsp;30&nbsp;分&nbsp;钟，&nbsp;可&nbsp;双&nbsp;面&nbsp;灌&nbsp;录。&nbsp;它&nbsp;具&nbsp;有&nbsp;VHS&nbsp;录&nbsp;像&nbsp;机<br>&nbsp;所&nbsp;不&nbsp;可&nbsp;比&nbsp;拟&nbsp;的&nbsp;优&nbsp;点：&nbsp;图&nbsp;像&nbsp;播&nbsp;放&nbsp;清&nbsp;晰&nbsp;度&nbsp;可&nbsp;达&nbsp;425&nbsp;线&nbsp;以&nbsp;上，&nbsp;<br>具&nbsp;有&nbsp;极&nbsp;高&nbsp;的&nbsp;保&nbsp;真&nbsp;度，&nbsp;如&nbsp;设&nbsp;置&nbsp;有&nbsp;环&nbsp;绕&nbsp;声&nbsp;系&nbsp;统，&nbsp;将&nbsp;给&nbsp;人&nbsp;以&nbsp;听<br>&nbsp;逼&nbsp;真&nbsp;的&nbsp;临场&nbsp;感。&nbsp;<br>近&nbsp;年&nbsp;来，&nbsp;索&nbsp;尼、&nbsp;Ｊ&nbsp;Ｖ&nbsp;Ｃ、&nbsp;松&nbsp;下、&nbsp;三&nbsp;星&nbsp;等&nbsp;公&nbsp;司&nbsp;推&nbsp;出&nbsp;的&nbsp;新&nbsp;型LD<br>影&nbsp;碟&nbsp;机&nbsp;都&nbsp;具&nbsp;有&nbsp;广&nbsp;泛&nbsp;的&nbsp;兼&nbsp;容&nbsp;性，&nbsp;不&nbsp;仅&nbsp;放&nbsp;CAV/CLV&nbsp;的&nbsp;LD、&nbsp;RCM&nbsp;的<br>&nbsp;CD&nbsp;唱&nbsp;片&nbsp;还&nbsp;可&nbsp;播&nbsp;VCD。&nbsp;影&nbsp;碟&nbsp;机&nbsp;有&nbsp;NTSC、PAL&nbsp;制&nbsp;和&nbsp;N/P&nbsp;自&nbsp;动&nbsp;转&nbsp;换&nbsp;<br>3&nbsp;种&nbsp;机&nbsp;型。&nbsp;我&nbsp;国&nbsp;彩&nbsp;电&nbsp;多&nbsp;为&nbsp;PAL，&nbsp;而&nbsp;碟&nbsp;片&nbsp;多&nbsp;为&nbsp;NTSC，&nbsp;因&nbsp;此&nbsp;选&nbsp;<br>择&nbsp;带&nbsp;N/P&nbsp;自&nbsp;动&nbsp;转&nbsp;换&nbsp;制&nbsp;式&nbsp;功&nbsp;能&nbsp;的&nbsp;机&nbsp;型，&nbsp;以&nbsp;方&nbsp;便&nbsp;地&nbsp;兼&nbsp;容&nbsp;收&nbsp;看<br>&nbsp;各&nbsp;类&nbsp;碟&nbsp;片。<br><br>--<br>-----------------------------------------------<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;因一个词的力量<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;我重新开始生活<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;我生来就认识你<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;要把你称作<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;自由<br><br>※&nbsp;来源:·饮水思源站&nbsp;bbs.sjtu.edu.cn·[FROM:&nbsp;202.120.8.11]<br></tr></table><br><caption align=bottom><hr><table align=center cellspacing=1 class=foot><tr><td class=foot><a href="a-2.htm">返回</tr></table><p class=copyr align=center>Copyright &copy; 2001 <a class=copyr href="http://bbs.sjtu.edu.cn">SJTUBBS</a>, All Rights Reserved.<br><br>版权所有<a class=copyr href="telnet://bbs.sjtu.edu.cn">上海交大BBS饮水思源站</a></caption></body></html>
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