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标题:
[推荐]在现有的CATV网络上实现可寻址智能广播系统
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作者:
lsjysly
时间:
2007-5-10 09:18
标题:
[推荐]在现有的CATV网络上实现可寻址智能广播系统
<p class="MsoNormalIndent" style="MARGIN: 3pt 0cm 3pt 35pt; TEXT-INDENT: -17pt; mso-list: l12 level1 lfo10; tab-stops: list 35.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">1、<span style="FONT: 7pt "Times New Roman";"> </span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">单缆传输</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：利用现有的一根闭路电视线，实现所有信号的传输和自动化管理控制。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm 3pt 35pt; TEXT-INDENT: -17pt; mso-list: l12 level1 lfo10; tab-stops: list 35.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">2、<span style="FONT: 7pt "Times New Roman";"> </span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">任意分区</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：独有的任意分区功能，可实现多个区域的独立控制和任意组合。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm 3pt 35pt; TEXT-INDENT: -17pt; mso-list: l12 level1 lfo10; tab-stops: list 35.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">3、<span style="FONT: 7pt "Times New Roman";"> </span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">各点可独立寻址</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：可实现点对点进行控制，控制任意年级或任意班级音箱的频道，并可独立开关或全开全关。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm 3pt 35pt; TEXT-INDENT: -17pt; mso-list: l12 level1 lfo10; tab-stops: list 35.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">4、<span style="FONT: 7pt "Times New Roman";"> </span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">定时广播</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：用户可根据需要编制各频道一周的定时播放节目单，对播放内容、播出时间、播放区域等可任意编程控制。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm 3pt 35pt; TEXT-INDENT: -17pt; mso-list: l12 level1 lfo10; tab-stops: list 35.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">5、<span style="FONT: 7pt "Times New Roman";"> </span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">自动播放</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：计算机可根据节目单自动定时播放，实现无人值守，播放前系统自动打开相应区域各点调频音箱的电源，播放完成后延时自动关闭。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm 3pt 35pt; TEXT-INDENT: -17pt; mso-list: l12 level1 lfo10; tab-stops: list 35.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">6、<span style="FONT: 7pt "Times New Roman";"> </span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">远距离遥控</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：可以通过无线遥控系统实现室外远距离遥控主机播放曲目。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm 3pt 35pt; TEXT-INDENT: -17pt; mso-list: l12 level1 lfo10; tab-stops: list 35.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">7、<span style="FONT: 7pt "Times New Roman";"> </span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">远距离讲话</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：通过无线话筒可以实现室外远距离讲话。配合均线遥控系统使用非常方便。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm 3pt 35pt; TEXT-INDENT: -17pt; mso-list: l12 level1 lfo10; tab-stops: list 35.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">8、<span style="FONT: 7pt "Times New Roman";"> </span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">随意插播</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：在播放过程中，用户可以随时停止定时播放，随意插播其它节目，插播结束后，系统依然按照节目单继续播放。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm 3pt 35pt; TEXT-INDENT: -17pt; mso-list: l12 level1 lfo10; tab-stops: list 35.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">9、<span style="FONT: 7pt "Times New Roman";"> </span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">音质优美</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：调频广播音频范围为<span lang="EN-US">30HZ-15KHZ，失真度小，一般为0.7%；而定压广播系统音频范围为200HZ-12KHZ，失真度10%。<p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm 3pt 17.95pt; TEXT-INDENT: -17.95pt; mso-list: l12 level1 lfo10; tab-stops: list 27.0pt 35.0pt; mso-char-indent-count: -1.49; mso-char-indent-size: 12.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">10、<span style="FONT: 7pt "Times New Roman";">
</span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">遥控音箱</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：终端教室可以遥控自主选择播放通道。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm 3pt 27pt; TEXT-INDENT: -27pt; mso-list: l12 level1 lfo10; tab-stops: list 27.0pt 35.0pt; mso-char-indent-count: -2.24; mso-char-indent-size: 12.05pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">11、<span style="FONT: 7pt "Times New Roman";">
</span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">本地扩音</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：音箱自带音频输入接口，解决了教室播放源音量不够用的难题。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm; TEXT-INDENT: 0cm; mso-list: l12 level1 lfo10; tab-stops: list 27.0pt 35.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">12、<span style="FONT: 7pt "Times New Roman";">
</span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">支持各种流行音频格式</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：如<span lang="EN-US">mp3、mpg、dat、wav、mid、avi等，可以录音和播放多种外接媒体源（如CD、VCD、卡座、收音机、麦克风等）。<p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm; TEXT-INDENT: 0cm; mso-list: l12 level1 lfo10; tab-stops: list 27.0pt 35.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">13、<span style="FONT: 7pt "Times New Roman";">
</span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">操作简单</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：播控软件功能强大，界面人性化设计，操作简单易学。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm; TEXT-INDENT: 0cm; mso-list: l12 level1 lfo10; tab-stops: list 27.0pt 35.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">14、<span style="FONT: 7pt "Times New Roman";">
</span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">抗扰能力强</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：调频广播为超短波，不易受到外界电波影响，而且调频广播的本身特点采用压缩技术，可将干扰滤除。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm; TEXT-INDENT: 0cm; mso-list: l12 level1 lfo10; tab-stops: list 27.0pt 35.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">15、<span style="FONT: 7pt "Times New Roman";">
</span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">强大的频道管理</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：用户可根据实际现多套节目的同时播放<span lang="EN-US">4路-12路。<p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm; TEXT-INDENT: 0cm; mso-list: l12 level1 lfo10; tab-stops: list 27.0pt 35.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">16、<span style="FONT: 7pt "Times New Roman";">
</span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">系统容量无限大</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：接收设备不受数量的限制，可以随意增加。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm; TEXT-INDENT: 0cm; mso-list: l12 level1 lfo10; tab-stops: list 27.0pt 35.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">17、<span style="FONT: 7pt "Times New Roman";">
</span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">分散管理</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：系统可以将控制中心分散管理，老师播放自己的节目内容可以不需要到中心机房，大大方便了老师的备课流程。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm; TEXT-INDENT: 0cm; mso-list: l12 level1 lfo10; tab-stops: list 27.0pt 35.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">18、<span style="FONT: 7pt "Times New Roman";">
</span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">紧急预案</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：独有的紧急分组分区广播、强制广播功能，在脱离计算机系统状态下照样实现广播，拥有了计算机瘫痪的紧急预案。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm 3pt 39pt; TEXT-INDENT: -39pt; mso-list: l12 level2 lfo10; tab-stops: list 39.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">19.<span style="FONT: 7pt "Times New Roman";"> </span></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">与消防联动</span></b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体;">：当发生火警信号时，消防联动主机自动打开音箱播放报警信号。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm; TEXT-INDENT: 0cm;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体;">20. 插播恢复：</span></b><span style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体;">在播放过程中随意插播，插播结束可以让音箱继续以前的状态接着工作。</span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm; TEXT-INDENT: 0cm;"><span style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体;"> 025-81695782，13815869944，QQ:71755358 杨先生</span></p><p class="MsoNormalIndent" style="MARGIN: 3pt 0cm; TEXT-INDENT: 0cm;"><span style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体;"> 南京力友科技有限公司，专业生产基于CATV网络的智能寻址广播和VOD视频点播系统，利用学校，单位.宾馆现有的有线电视网络，共缆传输，免布线！</span></p>
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