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产 品 手 册

北京龙旗昂科技有限公司

目 录
公司简介…...……………………………………………………………............ 3
一、LLS-1000系列语言学习系统
1. LLS-1000A...................................................................................................... 4
2. LLS-1000DK................................................................................................... 5
3. LLS-1000CK................................................................................................... 6
4. LLS-1000CKR................................................................................................ 7
5. LLS-1000CKV................................................................................................. 8
6. LLS-1000系列系统配置表............................................................................ 9

二、LLS-3000系列语言学习系统
1. LLS-3000DK.................................................................................................. 10
2. LLS-3000CK.................................................................................................. 11
3. LLS-3000CKV................................................................................................ 13
4. LLS-3000系列系统配置表........................................................................... 14

三、LLS-4000系列语言学习系统
1. LLS-4000CK……………………………………………………………….. 15
2. LLS-4000DK.................................................................................................. 17
3. LLS-4000KR.................................................................................................. 19
4. LLS-4000DKV................................................................................................ 21
5. LLS-4000KRV................................................................................................. 22
6. LLS-4000系列系统配置表............................................................................ 23

四、多媒体视听教室(会议室)
1、多媒体视听教室(会议室)的功能与构成................................................. 24
2、CTL系列多媒体中央控制器简介................................................................. 26
3、推荐方案......................................................................................................... 30

五、视频展示台
1、LUMENS PS-550 / PS-350............................................................................. 33
2、ACEVIEW(视优) DP-950......................................................................... 34
3、朗星 LVP-6500 / LVP-6000…………………………………………………32
4、朗星 水星M-10 视频展示台……………………………………………… 36
5、朗星 LVP-2100 / LVP-200C 视频展示台…………………………………. 37

六、专业音响
1. BALEN(佰伦)系列功放、音箱………………………………………… 39
2. BALEN(佰伦)系列话筒………………………………………………… 40
3. EBD系列功放、音箱……………………………………………………… 41

七、其它产品
1、杰科遥控自洁式环保黑板…………………………………………………. 43

语 言 学 习 系 统
一、LLS-1000系列语言学习系统
1. LLS-1000A: 主要特点: 采用轻触键盘控制,操作简便。控制主机使用51系列单片机,模块化结构,系统非常稳定。采用两台专业语言教学录音机,大大提高教学质量。
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教师主录音机
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教师控制键盘
[pic]
学生机 系统主要功能: • 全通话:教师可对全班学生进行授课,学生无法选择。 • 插话:教师可对某路节目进行讲解,这时学生可听到这路节目及教师的混合声。 • 听节目:学生可自由选择听取某路节目。 • 组会议:系统自动将学生分成若干个小组,小组可进行通话,组与组之间互不干扰,教师可对某一组进行讲解插话。 • 示范:教师可指定某学生的声音送至全班。 • 音响:可将某路声音从音箱送出。 • 指定听节目:教师可指定学生听某路节目、学生无法选择。

学生机主要功能: • 听说功能 • 音量控制 • 音量电平显示 • 呼叫功能 • 线路输入、输出接口 • 旁听耳机、话筒插座 学生桌规格:1240 X 470 X 1100 mm

2. LLS-1000DK: 主要特点: 采用多媒体计算机控制,操作更加方便,使您工作更加轻松。使用专业液晶显示电控主录音机,可在计算机上进行全部操作。 [pic] 教师主录音机 [pic] 学生机 系统主要功能: • 全通话:教师可对全班学生进行授课,学生无法选择。 • 插话:可对某路节目进行讲解,学生可听到这路节目及教师的混合声。 • 听节目:学生可自由选择听取某路节目。 • 组会议:系统自动将学生分成若干个小组,小组可进行通话,组与组之间互不干扰,教师可对某一组进行讲解插话。 • 示范:教师可指定某学生的声音送至全班。 • 音响:可将某路声音从音箱送出。 • 座位编辑:教师可将标准座位编辑成汉字姓名。 • 指定听节目:教师可指定学生听某路节目、学生无法选择。 • 考试分析模块:系统收卷后能自动完成评分、排名、统计、打印等一系列工作。

学生机主要功能: • 节目选择:可在A、B两路节目任意选听由主机送下来的节目内容。 • 电子音量调节:四级电子音量控制。 • LED显示功能:采用发光二级管显示。 • 考试功能:可在4个答案中选择正确答案,并最多能保存128道题的答案内容可在收卷前可进行任意修改。 • 呼叫功能:在学生有问题提出时按呼叫健可向教师发出呼叫指示。 学生桌规格:1240 X 470 X 1100 mm

3. LLS-1000CK: 主要特点: 采用多媒体计算机控制,操作更加方便,使您工作更加轻松。使用专业液晶显示电控主录音机,可在计算机上进行全部操作。学生机使用液晶屏幕显示各种数据。

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教师主录音机

[pic]
学生单元

系统主要功能: • 全通话:教师可对全班学生进行授课,学生无法选择。 • 插话:教师可对某路节目进行讲解,这时学生可听到这路节目及教师的混合声。 • 听节目:学生可自由选择听取某路节目。 • 组会议:系统自动将学生分成若干个小组,小组可进行通话,组与组之间互不干扰,教师可对某一组进行讲解插话。 • 示范:教师可指定某学生的声音送至全班。 • 音响:可将某路声音从音箱送出。 • 座位编辑:教师可将标准座位编辑成汉字姓名。 • 指定听节目:教师可指定学生听某路节目、学生无法选择。 • 考试分析模块:系统收卷后能自动完成评分、排名、统计、打印等一系列工作。

学生机主要功能: • 节目选择功能:可在A、B两路节目任意切选听由主机送下来的节目内容。 • 电子音量调节:四级电子音量控制。 • LCD液晶显示功能:节目号、音量大小、状态等。 • 考试功能:可在4个答案中选择正确答案,并最多能保存128道题的答案内容可在收卷前可进行任意修改。 • 呼叫功能:在学生有问题提出时按呼叫健可向教师发出呼叫指示。 学生桌规格:1240 X 470 X 1100 mm

4. LLS-1000CKR: 主要特点: 采用多媒体计算机控制,操作更加方便,使您工作更加轻松。使用专业液晶显示电控主录音机,可在计算机上进行全部操作。学生机使用液晶屏幕显示各种数据,并有长达8分钟的数字录音功能。
[pic]
教师主录音机
[pic]
学生机 系统主要功能: • 全通话:教师可对全班学生进行授课,学生无法选择。 • 插话:教师可对某路节目进行讲解,这时学生可听到这路节目及教师的混合声。 • 听节目:在教师的授权学生可自由选择听取某路节目。 • 组通话:教师可对学生进行分组(两组)通话。 • 组会议:系统将全班学生自动分成二人一组或四人一组,小组可进行通话,组与组之间互不干扰,教师可对某一组进行讲解插话。 • 示范:教师可指定某学生的声音送至全班。 • 音响:可将立体声声音从音箱送出。 • 座位编辑:教师可将标准座位编辑成汉字姓名。 • 指定听节目:教师可指定学生听某路节目、学生无法选择。 • 预听:教师可在播放之前进行预听,以选择更适合的教学内容。 • 监录:教师可将监听到的学生复习内容录在主录机的磁带上。 • 监听:教师可手动指定监听某个学生,也可设置一个时间音隔对学生进行自动循环监听。 • 全班记录听音:学生在听课的同时可将听课内容在自己的跟读机上录制下来(AA无此功能) • 对讲:学生与教师之间可单独进行对讲,另外老师也可指定两个或多个学生进行对讲。

学生机主要功能: • 节目选择功能:可在A 、B 两路节目间任意切换选听主机送下来的立体声节目内容。 • 音量选择:四级循环电子音量控制。 • LCD显示:播放记数、节目号、音量大小、状态等。 • SP领读功能:可在播放已分段语言文件时自动进行每播放一个段落时间后自动停止同样时间再接着读下一段落。 • AB句子循环:在播放过程中设定循环起始点和终止点后,可无限循环播放此段内容。 • 书签功能:可在语言文件中设置四个记忆点,在播放时按对应的书签键可立即从该记忆点开始播放。 • 芯片录音功能:可在芯片上纪录最长8分钟的语言文件并可选择录制教材、录制自己的声音、录制自己与教材的混合声。 • 考试功能:可在6个答案中选择正确答案,并最多能保存128道题的答案内容可在收卷前可进行任意修改。 • 呼叫功能:在学生有问题提出时按呼叫健可向教师发出呼叫指示。 学生桌规格:1240 X 470 X 1100 mm

5. LLS-1000CKV: 主要特点: 采用多媒体计算机控制,操作更加方便,使您工作更加轻松。使用专业液晶显示电控主录音机,可在计算机上进行全部操作。学生机使用液晶屏幕显示各种数据。学生端采用彩色显示器(二享一),使多媒体教学的方式更加丰富。 系统主要功能: • 全通话:教师可对全班学生进行授课,学生无法选择。 • 插话:教师可对某路节目进行讲解,这时学生可听到这路节目及教师的混合声。 • 听节目:学生可自由选择听取某路节目。 • 组会议:系统自动将学生分成若干个小组,小组可进行通话,组与组之间互不干扰,教师可对某一组进行讲解插话。 • 示范:教师可指定某学生的声音送至全班。 • 音响:可将某路声音从音箱送出。 • 座位编辑:教师可将标准座位编辑成汉字姓名。 • 指定听节目:教师可指定学生听某路节目、学生无法选择。 • 考试分析模块:系统收卷后能自动完成评分、排名、统计、打印等一系列工作。 • CD、VCD等多媒体教学软件的声音、图象、文字等信息传送给学生。 • 录音机、录象机、闭路电视等声音、图象、文字等信息传送给学生。 • 可将外接的摄象机、视频展示台的声音、图象、文字等信息传送给学生。图文并茂,声像同步,教学效果极佳。 学生机主要功能: • 节目选择功能:可在A、B两路节目任意切选听由主机送下来的节目内容。 • 电子音量调节:四级电子音量控制。 • LCD液晶显示功能:节目号、音量大小、状态等。 • 考试功能:可在4个答案中选择正确答案,并最多能保存128道题的答案内容可在收卷前可进行任意修改。 • 呼叫功能:在学生有问题提出时按呼叫健可向教师发出呼叫指示。 • 使用彩色显示器(二享一)观看教师端传送的多媒体节目。 学生桌规格:1400 X 520 X 1115 mm
LLS-1000系列系统配置表
以48座为例
|型号 |LLS |LLS |LLS |LLS |LLS |
|配置 |-1000A |-1000DK |-1000CK |-1000CKR |-1000CKV |
|多媒体计算机 |1台 |1台 |1台 |1台 |1台 |
|控制软件 |控制键盘1台 |1套 |1套 |1套 |1套 |
|主控制台 |1套 |1套 |1套 |1套 |1套 |
|教师主录音机 |2台 |2台 |2台 |2台 |2台 |
|考试系统 | |1套 |1套 |1套 |1套 |
|系统电源 |1台 |1台 |1台 |1台 |1台 |
|功率放大器 |1台 |1台 |1台 |1台 |1台 |
|音箱 |1个 |2个 |2个 |2个 |2个 |
|学生桌(双人) |24联 |24联 |24联 |24联 |24联 |
|学生机 |48台 |48台 |48台 |48台 |48台 |
|系统电缆线 |48根 |48根 |48根 |48根 |48根 |
|考试电缆线 | |48根 |48根 |48根 |48根 |
|走线槽 |32根 |32根 |32根 |32根 |32根 |
|耳机话筒组 |49副 |49副 |49副 |49副 |49副 |
|彩色显示器 | | | | |24台 |

LLS-1000系列价格表
单位:元
| |LLS–1000A |LLS–1000DK |LLS-1000CK |LLS-1000CKR |LLS-1000CKV |
|24座 |23960 |28725 |30045 |32850 |49245 |
|30座 |26090 |31035 |32685 |36135 |56685 |
|36座 |28220 |33345 |35325 |39465 |64125 |
|42座 |30350 |35655 |37965 |42795 |71565 |
|48座 |32480 |37965 |40605 |46125 |79005 |
|56座 |35320 |41045 |44125 |50565 |88925 |
|64座 |38160 |44125 |47645 |55005 |98845 |
|单座 |355 |385 |440 |555 |1240 |

安装调试费每套1500元,每超过1000公里加收800元。
运费以实际费用结算。

二、LLS-3000系列语言学习系统 1. LLS-3000DK 主要特点: 采用多媒体计算机控制,操作更加方便,使您工作更加轻松。使用专业液晶显示电控主录音机,可在计算机上进行全部操作。学生机为专用语言学习录音机,采用大屏幕液晶显示屏和进口电控机芯。 [pic] 教师主录音机 [pic] 学生跟读机 系统主要功能: • 全通话:教师可对全班学生进行授课,学生无法选择。 • 插话:可对某路节目进行讲解,学生可听到这路节目及教师的混合声。 • 听节目:学生可自由选择听取某路节目。 • 组会议:系统自动将学生分成若干个小组,小组可进行通话,组与组之间互不干扰,教师可对某一组进行讲解插话。 • 示范:教师可指定某学生的声音送至全班。 • 音响:可将某路声音从音箱送出。 • 座位编辑:教师可将标准座位编辑成汉字姓名。 • 指定听节目:教师可指定学生听某路节目、学生无法选择。 • 考试分析模块:系统收卷后能自动完成评分、排名、统计、打印等一系列工作。 • 学生录音机控制:可控制学生录音机的放音、录音、停止等状态,但不影响学生机的听说、考试等功能。

学生机主要功能: • 节目选择功能:可在A 、B 两路节目间任意切换选听主机送下来的节目内容。 • 音量调节:四级循环电子音量调节。 • LCD液晶显示:播放记数、节目号、音量大小、状态等。 • 跟读功能:可在播放磁带的同时将自己的跟读声也录制在磁带上而不会将原声抹掉,然后你可反复听此段落与原音进行比较。 • 清零计数功能:在录音或放音状态下,可把重要环节记忆下来,进行重复播放(通常设开始记忆点为0000)。 • 书签功能:可在播放语言磁带过程中按一次MEMORY键,继续播放一段时间后按快倒键可立即返回到记忆点开始播放。 • 考试功能:可在4个答案中选择正确答案,并最多能保存128道题的答案内容可在收卷前可进行任意修改。 • 呼叫功能:在学生有问题提出时按呼叫健可向教师发出呼叫指示。 学生桌规格:1240 X 470 X 1100 mm

2. LLS-3000CK 主要特点: 采用多媒体计算机控制,操作更加方便,使您工作更加轻松。使用专业液晶显示电控主录音机,可在计算机上进行全部操作。学生机为专用立体声语言学习录音机,采用大屏幕液晶显示屏和进口电控机芯。 [pic] 教师主录音机

[pic] 立体声学生跟读机 系统主要功能: • 全通话:教师可对全班学生进行授课,学生无法选择。 • 插话:可对某路节目进行讲解,学生可听到这路节目及教师的混合声。 • 听节目:学生可自由选择听取某路节目。 • 组会议:系统自动将学生分成若干个小组,小组可进行通话,组与组之间互不干扰,教师可对某一组进行讲解插话。 • 示范:教师可指定某学生的声音送至全班。 • 音响:可将某路声音从音箱送出。 • 座位编辑:教师可将标准座位编辑成汉字姓名。 • 指定听节目:教师可指定学生听某路节目、学生无法选择。 • 考试分析模块:系统收卷后能自动完成评分、排名、统计、打印等一系列工作。 • 学生录音机控制:可控制学生录音机的放音、录音、停止等状态,但不影响学生机的听说、考试等功能。

学生机主要功能: • 节目选择功能:可在A 、B 两路节目间任意切换选听主机送下来的立体声节目内容。 • 音量调节:四级循环电子音量调节。 • LCD液晶显示:播放记数、节目号、音量大小、状态等。 • 跟读功能:可在播放磁带的同时将自己的跟读声也录制在磁带上而不会将原声抹掉,然后你可反复听此段落与原音进行比较。 • 清零计数功能:在录音或放音状态下,可把重要环节记忆下来,进行重复播放(通常设开始记忆点为0000)。 • 书签功能:可在播放语言磁带过程中按一次MEMORY键,继续播放一段时间后按快倒键可立即返回到记忆点开始播放。 • 考试功能:可在4个答案中选择正确答案,并最多能保存128道题的答案内容可在收卷前可进行任意修改。 • 呼叫功能:在学生有问题提出时按呼叫健可向教师发出呼叫指示。

学生桌规格:1240 X 470 X 1100 mm

3. LLS-3000CKV 主要特点: 采用多媒体计算机控制,操作更加方便,使您工作更加轻松。使用专业液晶显示电控主录音机,可在计算机上进行全部操作。学生机为专用立体声语言学习录音机,采用大屏幕液晶显示屏和进口电控机芯。学生端采用彩色显示器(二享一),使多媒体教学的方式更加丰富。

系统主要功能: • 全通话:教师可对全班学生进行授课,学生无法选择。 • 插话:可对某路节目进行讲解,学生可听到这路节目及教师的混合声。 • 听节目:学生可自由选择听取某路节目。 • 组会议:系统自动将学生分成若干个小组,小组可进行通话,组与组之间互不干扰,教师可对某一组进行讲解插话。 • 示范:教师可指定某学生的声音送至全班。 • 音响:可将某路声音从音箱送出。 • 座位编辑:教师可将标准座位编辑成汉字姓名。 • 指定听节目:教师可指定学生听某路节目、学生无法选择。 • 考试分析模块:系统收卷后能自动完成评分、排名、统计、打印等一系列工作。 • 学生录音机控制:可控制学生录音机的放音、录音、停止等状态,但不影响学生机的听说、考试等功能。 • CD、VCD等多媒体教学软件的声音、图象、文字等信息传送给学生。 • 录音机、录象机、闭路电视等声音、图象、文字等信息传送给学生。 • 可将外接的摄象机、视频展示台的声音、图象、文字等信息传送给学生。图文并茂,声像同步,教学效果极佳。

学生机主要功能: • 节目选择功能:可在A 、B 两路节目间任意切换选听主机送下来的立体声节目内容。 • 音量调节:四级循环电子音量调节。 • LCD液晶显示:播放记数、节目号、音量大小、状态等。 • 跟读功能:可在播放磁带的同时将自己的跟读声也录制在磁带上而不会将原声抹掉,然后你可反复听此段落与原音进行比较。 • 清零计数功能:在录音或放音状态下,可把重要环节记忆下来,进行重复播放(通常设开始记忆点为0000)。 • 书签功能:可在播放语言磁带过程中按一次MEMORY键,继续播放一段时间后按快倒键可立即返回到记忆点开始播放。 • 考试功能:可在4个答案中选择正确答案,并最多能保存128道题的答案内容可在收卷前可进行任意修改。 • 呼叫功能:在学生有问题提出时按呼叫健可向教师发出呼叫指示。 • 使用彩色显示器(二享一)观看教师端传送的多媒体节目。

学生桌规格:1400 X 520 X 1115 mm

LLS-3000系列系统配置表 以48座为例
|型号 |LLS-3000DK |LLS-3000CK |LLS-3000CKV |
|配置 | | | |
|多媒体计算机 |1台 |1台 |1台 |
|控制软件 |1套 |1套 |1套 |
|主控制台 |1套 |1套 |1套 |
|教师主录音机 |2台 |2台 |2台 |
|考试系统 |1套 |1套 |1套 |
|系统电源 |1台 |1台 |1台 |
|功率放大器 |1台 |1台 |1台 |
|音箱 |2个 |2个 |2个 |
|学生桌(双人) |24联 |24联 |24联 |
|学生机 |48台 |48台 |48台 |
|系统电缆线 |48根 |48根 |48根 |
|考试电缆线 |48根 |48根 |48根 |
|走线槽 |32根 |32根 |32根 |
|耳机话筒组 |49副 |49副 |49副 |
|彩色显示器 | | |24台 |

LLS-3000系列价格表 单价:元
| |LLS-3000DK |LLS-3000CK |LLS-3000CKV |
|24座 |36405 |37125 |56325 |
|30座 |40635 |41535 |65535 |
|36座 |44865 |45945 |74745 |
|42座 |49095 |50355 |83955 |
|48座 |53325 |54765 |93165 |
|56座 |58965 |60645 |105445 |
|64座 |64605 |66525 |117725 |
|单座 |705 |735 |1535 |

安装调试费每套1500元,每超过1000公里加收800元。 运费以实际费用结算。

三、LLS-4000系列数字语言学习系统 LLS-4000系列系列数字语言学习系统是采用TCP/IP协议,运用计算机网络技术几语言处理技术,除采用自主研制的语言控制器和数字终端之外,所有设备都是有标准的网络设备组成。 该系统具有模拟语言学习系统的所有功能及与其无法比拟的高音质、低故障的特性,以及模拟语言学习系统无法实现的变速不变调,口语考试,开放式语言学习系统的功能。同时,教师可通过上课时将互联网、校园网或教师计算机的音频信号或文本调出来使用,并可广播到学生端。支持目前最流行的MP3音频格式,既可连接网络后尽情下载,又可通过教师计算机将光盘、磁带中的节目转换成MP3格式,及时满足您的需要。 LLS-4000系列数字语言学习系统是网络化、数字化、智能化、个性化与一体的新一代数字语言学习系统。

1. LLS-4000CK LLS-4000CK数字化语言学习系统是建立在网络数据交换的基础上,将经过A/D转换后的语音数据式音频的数据文件,通过标准的TCP/IP网络协议,传送给用户终端。并结合科学的辅助教学思想,丰富的学习资料,彻底突破了传统语音室只作单纯教学工具、非人性化的特点,大大提高了学生学习效率。同时,可支持目前流行的WAVE音频格式,提供数字化实时广播,可视化音频点播等崭新的教学模式, 是新一代全数字化语言学习系统。

教师部分主要功能: • 教学资源数字化、多元化:互联网上的最新的媒体素材可以即时播放,经过数字传输,到学生端音质仍然逼真传神。即使使用传统的卡式录音机做音源播放器,效果也能大幅度提高。 • 创新的eBoard电子白板功能。 • 5级语音变速不变调。

• 实用的无纸化考试功能:有支持两套试卷的自由考试和即时随堂测验,自由考试模拟常规考试环境,学生可以按自己的进度上下翻阅试卷和答题。考试结果实时分析、评估,将结果马上发给学生,并可打印输出。 • 实时监看、监听学生机,远程遥控开关机。 • 教案试题制作,简单方便:该考试编辑软件可以设置考题数、标准答案、分数、考试文本和考试时间,同时可以编辑考试文本资料,考试时系统到时自动收卷、检查无误后,保存文件,将产生的标准答案文件放在考卷文本和音频文件一起,并可统一用一个文件名,方便调用。 • 兼容模拟语音室:涵盖全通话、个别通话、组通话、组讨论、示范等功能。 • 学生呼叫显示。 • 全中文界面设计,易于学习和操作。
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教师主录音机
系统主要功能
• 教学功能:节目播放、广播教学、课堂提问、学生示范、插话讲解、教材选择、音箱授课、多媒体授课。 • 训练功能:分组收听、分组讨论、两两对话、自由点播、设备设置。 • 管理功能:注册班级、学生档案、姓名显示、学号显示、试题制作、节目编辑、点名计费。 本公司数字语音室基于计算机的TCP/IP网络技术,使用的网络部件也是标准件,这些产品已经很成熟,高中低档系列齐全,因而在可靠性、维护性和可扩展性上有很大的优势。
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LLS-4000CK数字型学生机

LLS-4000CK数字型学生机主要功能: • 真正的全数字化语音传输:支持多种音频编解码(ADPCM、PCM、MP3等)播放,效果可达CD音质。对光盘资源、网络下载资源直接兼容,无须转换。 • 硬盘数字录音:学生机录音数据海量存储,并可添加到教学资源库长期保存。学生录音时间无限制,流行的蓝色背光显示,采用132*64点的FSTN液晶,可视角度宽,学生机菜单全中文显示,给初学者极大方便。 • 拥有丰富齐全的WAVE Database语音素材库:采用当今世界主流的WAVE音频文件格式,保存海量音频素材。 • 自主学习。

• 系统的可靠性高:采用高速DSP嵌入式技术及标准化网络交换设备,具备自检功能,断线自恢复功能,系统维护简单,故障率低。 • 屏幕点词翻译(电子辞典模糊查询):学生阅读文本遇到生词时,可以用方向键移动光标,即可选词翻译。 • 优异的自动静噪功能:无声音时可以关闭通道,减少网络传输,禁止噪音。 • 同步文本显示开关:学生可选择与音频同步的文本显示状态。 • 延时低:最大延时小于60ms 配有模拟音频输出接口,供学生外录用。 • 系统采用44.1K 16位高品质采样和回放,效果不是模拟语音室可比的。

资料管理库: 该系统具备强大的资料库,其服务器的容量将近为10G-15G,相当于10G-15G音频与文件形成的教学素材、试题库、学生个人资料库、教案库、休闲库等资料一应俱全,供课堂直接调用,课外学生自主点播。

整体性能指标:

|电源 |AC220V 50Hz |
|信噪比 |>70dB |
|频响 |20~16kHz±2dB |
|串音衰减 |>60dB |
|立体声分离度 |>60dB |
|失真度 |470线 |
|最低照明 |1勒克斯 |
|控制方式 |本机键盘、红外线遥控 |
|照明方式 |底部光源、顶部光源 |
|正/负片 |可转换 |
|亮度 |可调 |
|输入选择 |本机/AV1/AV2 |
|输入终端 |MIC×1 VIDEO×2 AUDIO×2 |
|输出终端 |S-VIDEO VIDEO×2 |
|镜头转动角度 |水平270度,垂直180度 |
|折叠尺寸 |480×360×170mm |
|重量 |5.4Kg |
|附件 |操作手册、AV电缆线、遥控器、电源线、近摄镜 |
|可选附件 |数据采集卡、显微接口、液晶监视器、60倍镜 |
|价格 |3000 |

5. 朗星 LVP-2100 / LVP-200C 视频展示台

[pic] LVP-2100: 高画质47万像素,470TV线色彩CCD摄影机,25倍光学变焦,8倍数码变焦,总放大倍数达200倍,全中文操作菜单,具有图像冻结,正/负片反转等功能,多路输入/输出接口便捷切换多媒体资源协同演绎,备有RS-232控制接口,可实现Windows界面下的电脑遥控操作。 LX-200/C: 128倍电动变焦,全屏幕自动聚焦功能,具有正/负片反转、镜像翻转等功能,多路输入/输出接口,备有RS-232控制接口,可实现Windows界面下的电脑遥控操作,LX-200C更设有全中文操作菜单,直观易用。

|型号 |LVP—2100 |LX—200/C |
|镜头 |f=3.9-95mm F=1.6-3.7 |F=3.9-63.0mm F=1.6-2.4 |
|聚焦 |200X自动/按钮触发聚焦,光学变焦25×,数字变焦8× |128×自动/按钮触发聚焦,光学变焦16×,数字变焦8× |
|TV制式 |PAL |
|像素数 |470000 |440000 |
|水平清晰度 |>470电视线 |>440电视线 |
|最低照度 |0.01Lux |1Lux |
|信噪比 |>480dB |
|控制方式 |本机键盘、红外线遥控、计算机RS—232串行通信控制 |
|屏幕菜单 |有(全中文) |有(LX-200C特有全中文菜单) |
|白平衡 |自动跟踪白平衡/手动/按键自动白平衡 |
|彩色/黑白转换 |有 |
|正/负片反转 |有 |
|底部光源 |有 |
|顶部光源 |有 |
|背光补偿 |有 |
|镜像翻转 |有 |
|图像冻结 |有 |无 |
|清晰度及亮度 |可调 |28档 |
|快门调节 |1/50—1/10000秒(自动12档) |
|输入接口 |MIC×1 VIDEO×2 AUDIO×2 |
|输出接口 |S—VIDEO×1 VIDEO×2 AUDIO×2 LCD |
|镜头转动角度 |水平270度 |垂直180度 |
|折叠后尺寸 |480×360×170mm |
|重量 |6Kg |
|附件 |操作手册、AV线缆线、红外遥控器、电脑遥控驱动程序 |
| |电源线、RS—232数据线、近摄镜、镜头盖、便携箱 |
|可选附件 |数据采集卡、纤维接口、彩色液晶监视器、60×镜 |
|价格 |4200 |3500 |

专业音响
1. BALEN(佰伦) 功放、音箱
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CA-30功率放大器是一款准专业级教室功率放大器。由于一般学校的教室都设有广播音箱,用于播放上下课铃声、紧急通知、眼保健操等广播信号。但广播系统采用定压方式进行传输,而多媒体教室的扩声系统采用定阻的方式传输,两种信号不能兼容。通常的做法是采用两套系统,一来增加费用,二来也不美观。Balen CA-30功放特别设计有广播信号接入、转换(定压转定阻)、强切功能,可将校园广播的定压信号直接接入功放,设置在功放内部的转换电路将定压信号转换为定阻信号,再接入音箱。当多媒体系统不在使用时(即关闭功放电源时),广播信号直接连通音箱;当多媒体系统工作时,如没有广播信号,音箱播放的是教学内容,如有广播信号时,则强切到广播内容。从而做到在一套音响系统中兼容定压和定阻两个信号,为学校节省了资金。 主要技术指标: 输出功率:60W x 2 频率响应:20Hz — 20KHz 谐波失真:< 0.5% 输入接口:2路话筒,4路线路 输出阻抗:4 — 8 欧姆 分 离 度:80dB 特殊功能:提供校园广播信号接入、转换、强切功能。 CS-30音箱是两单元两分频音箱,采用进口单元,高频清晰悦耳,中频甜润自然,低频丰满而富有弹性。CS-30特别强调语言的清晰度和可懂度,中音结实干净,不同于民用音箱低音过重而使音质发浑。针对教室的环境,CS-30外形设计成契型,保证整个教室的声场均匀度。安装时只需要一根铁钉即可将音箱挂在墙壁上,无需外配吊架安装、调整音箱角度。 主要技术指标: 额定功率:50W 灵 敏 度:88dB 频率响应:80Hz — 20KHz 阻 抗:8欧姆

2. BALEN(佰伦)系列话筒

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佰伦(Balen) BW-102无线话筒,超静噪功能,高信噪比。高精度石英晶体锁定频率。抗干扰能力强,有效抑制噪声输出。频率响应范围宽,超低失真度。完善的工作状态指示及电量指示。使用普通电池。

接收机主要技术指标: 工作频率:VHF 频率范围:170 — 260MHz 频率稳定度:< 20PPM 灵 敏 度:3uV 30dB S/N 邻道抑制:> 80dB 镜像抑制:> 80dB

发射机主要技术指标: 工作频率:VHF 频率范围:170 — 260MHz 频率稳定度:< 20PPM 音频频率响应:50 — 15KHz 音频动态范围:> 70dB 信 噪 比:> 90dB 失 真 度:< 0.5% 发射功率:10mW 电 池:DC 1.5V X 2 价格: CA-30功放:630 CS-30音箱:580 BW-102无线话筒:820

3. EBD系列功放、音箱
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EBD X系列集成功放 • 内置3路话筒、4路线路混音模块,方便操作和管理。 • 内置5个反馈抑制滤波器,具有抑制系统啸叫的功能。 • 提供48V幻像电源,可对电容话筒直接供电。 • 简化接线并为音箱提供精确的配合。 • 超低燥声气流由后到前的变速风扇制冷系统。 • 内置前、后红外接收装置,方便接入各种中央控制系统。

EBD X系列集成式功放是专门针对中、小型多媒体教室(会议室)等场所的应用设计、开发的多功能产品。它集成了调音台(三路话筒、四路线路)、功率放大、反馈抑制、音视频矩阵(四进二出)、幻像供电、混响效果等多种功能,特别适合中、小型多媒体教室(会议室)等场所的使用。 集成化的设计在降低系统整体造价的同时,更加降低了系统的故障率。其中反馈抑制、幻像供电、混响效果等功能的调试全部后置暗藏,简洁的前操作面板更加适合非专业人士的操作,同时具有短路、过流、过压、过温、过载、防冲击等多重自动保护功能,更加保证了系统的运行稳定性!

技术指标

| |X120 |X250 |
|功率 |120W X 2 ,8欧姆 |250W X 2 ,8欧姆 |
|总谐波失真 |< 0.03% |
|频率响应 |10Hz – 25kHz ( MIC ) |
| |10Hz – 40kHz ( Line ) |
|电源供应 |220 – 240 V ,50Hz |
|线路输入 |左、右音频输入(带视频) X 4 |
| |MIC X 3 |
|线路输出 |左、右音频输出(带视频) X 2 |
|最大功耗 |350W |650W |
|价格 |3200 |2800 |

[pic]
EBD V系列专业音箱

EBD音箱为三分频音箱,音质细腻丰满,音域宽广,而且具有很好的平衡性,不管是针对语言还是音乐都有极佳的表现力。EBD V系列音箱外形独特、豪华,有黑、白两种颜色可供选择,既可壁挂,又可吊装在天花板,或放置在地面,特别适合安装在各种多媒体教室(会议室)、报告厅等场所。 V系列音箱是EBD中最被人们所赞赏的音箱系统;该系列音箱多用途而紧凑的全频音箱在流动演出和固定安装上具有广泛的用途。V系列音箱采用了EBD新设计的低磁漏钕磁钢单元聚动器,使其重量大大减少,并且能在紧靠对磁场极为敏感的专业视频和计算机设备的地方工作。

技术指标

| |VS-310 |VS-208 |
|单元 |低音:10” X 1 |低音:8” X 1 |
| |中音:3” X 1 |中音:1” X 1 |
| |高音:1” X 1 |高音:1” X 1 |
|结构材料 |具有漆涂层的多层桦木板 |
|正面装饰 |穿孔的钢制栅格网 |
|吊装接口 |箱体表面有用于安装吊装配件的螺孔 |
|脚架固定装置 |底部的钢制固定装置,35mm | |
|频率响应 |45 Hz – 20kHz |50 Hz – 20kHz |
|灵敏度1W@1m |95dB SPL标准值 |
|标称峰值SPL@1m |118dB |
|标称功率 |100W |150W |
|峰值功率 |200W |300W |
|高音扩散角度 |90 X 90 |
|分频器频率 |600Hz、2.5kHz无源 |
|标称阻抗 |8欧姆 |
|价格 |2800 |2200 |

其它产品
1. 杰科遥控自洁式环保黑板

[pic][pic] DH型遥控自洁式环保黑板 遥控器

DH型遥控自洁式环保黑板:采用国家两项专利ZL99231006.7、PJ0220384.02,经多年时间研究开发,并进行计算机优化设计,使其结构合理,性能优异,使师生远离粉尘污染,是新一代教学的创新设备。

|颜 色 |墨绿色 |
|安 装 |壁挂式 |
|功 能 |摇控、电动式 |
|特 点 |自洁、环保,适用于各种教室及培训场所 |
|框架材料 |高档电泳铝材 |
|主要特点 |自动擦拭,省时省力。 |
| |防尘装置,保护师生身体健康。 |
| |结构合理,流线行运动,启迪学生。 |
| |耗电量少,节能节源。 |
| |遥控装置,使用方便。 |
| |
|型号 |规格 |板面 |价格 |
|DH100-360 |1m X 3.6m |进口 |3980 |
|DH120-360 |1.2m X 3.6m |进口 |4380 |
|DH100-400 |1m X 4m |进口 |4380 |
|DH120-400 |1.2m X 4m |进口 |4680 |

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