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“禮堂演出擴聲系(xi)統”解決方案

日期: 2018-04-28
瀏(liu)覽(lan)次數: 1364

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“禮堂演出擴聲系統”解決方案

一、設計規范及標準

依(yi)據貴單位(wei)功(gong)能需求以(yi)及(ji)建筑及(ji)舞(wu)臺(tai)工(gong)藝(yi)圖(tu)紙,根據舞(wu)臺(tai)的基本使(shi)用功(gong)能和(he)(he)定位(wei)并參照國家(jia)相(xiang)關的標準(zhun)和(he)(he)規(gui)范(fan):

音(yin)響擴聲系統設計規范

WH/T38-2009《舞(wu)臺擴聲系統跳線(xian)柜、綜合接(jie)線(xian)箱、地板接(jie)線(xian)盒設(she)置(zhi)規(gui)范》

WH/T39-2009《專業音頻和擴(kuo)聲(sheng)用(yong)揚聲(sheng)器組件(jian)實用(yong)規范》

WH/T318-2003《演出場所擴聲系統的聲學特性指標》

JGJ 57-2000/J 67-2001《劇(ju)場(chang)建筑設計規范(fan)》;

GB 4959-95 《廳堂擴聲(sheng)特性測量方(fang)法》;

GBJ 76-84 《廳(ting)堂混響時間(jian)測量規(gui)范》;

JGJ 16-2008 《民(min)用(yong)建筑電氣設計規范》;

GB/T 14476-93 《客觀評價廳堂(tang)語言可懂(dong)度的“RASTI”法》;

(WH/T25-2007)《劇(ju)場(chang)等(deng)演(yan)出場(chang)所擴(kuo)聲(sheng)系統工(gong)程導則》

GB/T 14197-93 《聲系統設備互連(lian)的優選配接值(zhi)》;

ITU-R BT. 601-2 供(gong)演播室使用的數字電視編碼(ma)標(biao)準;

ITU-R BT. 711 供分(fen)量數字演(yan)播室使用的同步基準信號;

GY/T 156-2000 演播室(shi)數字音(yin)頻參(can)數;

GY/T 158-2000 演播室數字(zi)音頻接口(kou);

AES3 供數字伴音(yin)(yin)工程線性表示數字伴音(yin)(yin)數據的串(chuan)行(xing)傳輸格式;

AES11 供數字伴音工程在(zai)演播中使用的數字伴音設備的同步規格;

GB 3174-1995 PAL-D 制電視(shi)廣播技術規范;

二、多功能廳設計說明

擴聲系統

根據業主方提供的裝修圖紙(場(chang)景布(bu)局、實(shi)用面(mian)積)結合系(xi)統功能現實(shi)(文藝活動兼報(bao)告(gao)型會議、培訓(xun)等(deng)等(deng)),我們選擇主/輔(fu)/超低/返聽擴聲(sheng)模(mo)式進行聲(sheng)場(chang)擴聲(sheng)。

本系統采用(yong)了48路擴(kuo)展性(xing)強(qiang)、處理功能強(qiang)大(da)、兼容(rong)(rong)性(xing)好(hao)、個性(xing)化(hua)、多場(chang)景方便(bian)方便(bian)每(mei)個操作者和每(mei)場(chang)演出、無(wu)線(xian)調音功能的數字調音臺(tai)為核心(xin)進行(xing)音頻系統主控制,無(wu)線(xian)手持(chi)、無(wu)線(xian)頭戴、人(ren)聲/樂器(qi)、合(he)(he)唱、 鵝(e)頸電(dian)容(rong)(rong)會議話(hua)筒對(dui)人(ren)聲進行(xing)拾取(qu),隨(sui)后(hou)將(jiang)初次(ci)拾取(qu)到的人(ren)聲信號(hao)(人(ren)聲信號(hao)先進入數字調音臺(tai)綜合(he)(he)管理)

通(tong)過(guo)(guo)(guo)專(zhuan)用(yong)的(de)(de)(de)(de)傳(chuan)輸(shu)(shu)線纜傳(chuan)輸(shu)(shu)到(dao)調音(yin)(yin)(yin)(yin)臺(tai)(tai)(音(yin)(yin)(yin)(yin)樂(le)通(tong)過(guo)(guo)(guo)多媒體DVD 進(jin)(jin)(jin)(jin)行(xing)播(bo)(bo)放,電(dian)(dian)腦播(bo)(bo)放等(deng)提(ti)供(gong)音(yin)(yin)(yin)(yin)源(yuan)信(xin)(xin)(xin)號(hao)),接著輸(shu)(shu)出(chu)(chu)(chu)到(dao)效果器(qi)(qi)(qi)(qi)進(jin)(jin)(jin)(jin)行(xing)初次(ci)音(yin)(yin)(yin)(yin)質(zhi)(zhi)處理(li)(li)(li)(li)、修正(zheng)、根據使(shi)用(yong)環(huan)境適(shi)當(dang)的(de)(de)(de)(de)添加音(yin)(yin)(yin)(yin)頻(pin)(pin)效果后(hou)輸(shu)(shu)入至(zhi)調音(yin)(yin)(yin)(yin)臺(tai)(tai)進(jin)(jin)(jin)(jin)一步的(de)(de)(de)(de)對音(yin)(yin)(yin)(yin)質(zhi)(zhi)處理(li)(li)(li)(li)(增(zeng)益、MIC 前置(zhi)放大(da)器(qi)(qi)(qi)(qi)、均(jun)衡、單/立體聲輸(shu)(shu)出(chu)(chu)(chu)等(deng)等(deng)),這時(shi)通(tong)過(guo)(guo)(guo)調音(yin)(yin)(yin)(yin)臺(tai)(tai)末端(duan)輸(shu)(shu)出(chu)(chu)(chu)到(dao)12進(jin)(jin)(jin)(jin)12出(chu)(chu)(chu)音(yin)(yin)(yin)(yin)頻(pin)(pin)數字矩陣處理(li)(li)(li)(li)器(qi)(qi)(qi)(qi),運用(yong)其內置(zhi)功(gong)能進(jin)(jin)(jin)(jin)行(xing)處理(li)(li)(li)(li)(輸(shu)(shu)入信(xin)(xin)(xin)號(hao)進(jin)(jin)(jin)(jin)行(xing)壓限、延時(shi)、均(jun)衡等(deng)操作,此(ci)(ci)操作有(you)益系統(tong)的(de)(de)(de)(de)正(zheng)常運行(xing)、設備(bei)安全(quan)、聲場音(yin)(yin)(yin)(yin)質(zhi)(zhi)的(de)(de)(de)(de)均(jun)勻),最后(hou)分(fen)(fen)頻(pin)(pin)器(qi)(qi)(qi)(qi)進(jin)(jin)(jin)(jin)行(xing)音(yin)(yin)(yin)(yin)頻(pin)(pin)信(xin)(xin)(xin)號(hao)處理(li)(li)(li)(li)分(fen)(fen)頻(pin)(pin),將音(yin)(yin)(yin)(yin)頻(pin)(pin)電(dian)(dian)聲信(xin)(xin)(xin)號(hao)一分(fen)(fen)為三進(jin)(jin)(jin)(jin)入擴聲系統(tong)的(de)(de)(de)(de)信(xin)(xin)(xin)號(hao)電(dian)(dian)聲放大(da)部分(fen)(fen),此(ci)(ci)部分(fen)(fen)是(shi)通(tong)過(guo)(guo)(guo)與揚(yang)(yang)聲器(qi)(qi)(qi)(qi)技術(shu)參數相(xiang)匹(pi)配(pei)的(de)(de)(de)(de)主(zhu)/輔/超低(di)頻(pin)(pin)功(gong)率放大(da)器(qi)(qi)(qi)(qi)對電(dian)(dian)聲信(xin)(xin)(xin)號(hao)進(jin)(jin)(jin)(jin)行(xing)電(dian)(dian)功(gong)率放大(da),讓音(yin)(yin)(yin)(yin)頻(pin)(pin)可以有(you)足夠的(de)(de)(de)(de)功(gong)率去推相(xiang)應(ying)的(de)(de)(de)(de)主(zhu)/輔/超低(di)頻(pin)(pin)揚(yang)(yang)聲器(qi)(qi)(qi)(qi)(也是(shi)系統(tong)的(de)(de)(de)(de)末端(duan)),對舞臺(tai)(tai)這場區域(yu),我們選配(pei)一對舞臺(tai)(tai)返聽揚(yang)(yang)聲器(qi)(qi)(qi)(qi),用(yong)均(jun)衡器(qi)(qi)(qi)(qi)進(jin)(jin)(jin)(jin)行(xing)音(yin)(yin)(yin)(yin)質(zhi)(zhi)處理(li)(li)(li)(li)(提(ti)升/衰減(jian)量程、增(zeng)益調節、電(dian)(dian)壓調節、信(xin)(xin)(xin)號(hao)動(dong)態調節等(deng)等(deng)),為場景提(ti)供(gong)一個(ge)高(gao)品質(zhi)(zhi)、高(gao)享受、高(gao)效率的(de)(de)(de)(de)優良(liang)聲場。除此(ci)(ci)之外,為了(le)(le)提(ti)高(gao)系統(tong)的(de)(de)(de)(de)安全(quan)性與操作的(de)(de)(de)(de)方(fang)(fang)便性,還(huan)選配(pei)了(le)(le)一臺(tai)(tai)電(dian)(dian)源(yuan)時(shi)序器(qi)(qi)(qi)(qi)對整套系統(tong)電(dian)(dian)源(yuan)進(jin)(jin)(jin)(jin)行(xing)管理(li)(li)(li)(li),可以通(tong)過(guo)(guo)(guo)此(ci)(ci)設備(bei)對電(dian)(dian)源(yuan)逐一逐一的(de)(de)(de)(de)進(jin)(jin)(jin)(jin)行(xing)安全(quan)開/關(guan)(一鍵(jian)到(dao)位(wei))。為了(le)(le)增(zeng)加文藝活動(dong)演出(chu)(chu)(chu)方(fang)(fang)便還(huan)配(pei)置(zhi)了(le)(le)一套舞臺(tai)(tai)演出(chu)(chu)(chu)內部通(tong)訊(xun)系統(tong)。

“禮堂演出擴聲系統”解決方案

左中右主擴聲有源線陣列揚聲器布置圖

“禮堂演出擴聲系統”解決方案

左右主擴聲有源低音及降聲像揚聲器布置圖

“禮堂演出擴聲系統”解決方案

觀眾席輔助擴聲揚聲器布置圖

“禮堂演出擴聲系統”解決方案


“禮堂演出擴聲系統”解決方案


“禮堂演出擴聲系統”解決方案

通過計算機輔助設計EASE3.0聲學軟件得出的聲學參數

視頻顯示及監控系統

根據(ju)業主方場景的裝修造型、輔助顯(xian)示面及視角范圍(wei)會議報告等,我們選配了LED會標顯(xian)示屏及舞臺兩側LED全彩顯(xian)示屏的高刷(shua)新率工程顯(xian)示系統配置、進行(xing)高清視頻信號顯(xian)示,為(wei)觀(guan)看提供了一個有效的視角范圍(wei)。

場景中還配置了3臺(tai)高速攝(she)像(xiang)快球,用于視(shi)頻(pin)攝(she)像(xiang)跟蹤、視(shi)頻(pin)捕捉(zhuo)以(yi)及視(shi)頻(pin)信息(xi)(場景畫面的(de)切換)儲存(cun)等(deng)功能。集中控(kong)制(zhi)系統(海康威視(shi))是控(kong)制(zhi)系統的(de)核心(xin)。它可以(yi)獨立操作(zuo),實(shi)現視(shi)頻(pin)/攝(she)像(xiang)跟蹤等(deng)等(deng)控(kong)制(zhi),對演(yan)出(chu)后臺(tai)即將準備下一個(ge)節目(mu)的(de)工作(zuo)人員(yuan)提(ti)供的(de)方便(bian)、實(shi)時觀察到舞臺(tai)上的(de)動靜以(yi)及相(xiang)關演(yan)出(chu)情況(kuang)。

“禮堂演出擴聲系統”解決方案

視頻顯示設備布置圖

舞臺燈光系統

此(ci)系(xi)統是(shi)為(wei)文藝(yi)(yi)活(huo)動(dong)所(suo)配(pei)置的(de),由(you)舞(wu)臺聚光(guang)(guang)(guang)燈(deng)(deng)會議燈(deng)(deng)、舞(wu)臺演(yan)(yan)出(chu)(chu)面光(guang)(guang)(guang)、舞(wu)臺演(yan)(yan)出(chu)(chu)頂光(guang)(guang)(guang)燈(deng)(deng)、特(te)殊(shu)效果燈(deng)(deng)及(ji)調(diao)光(guang)(guang)(guang)臺組成的(de),它(ta)可以為(wei)整個場(chang)景提供(gong)足(zu)夠亮(liang)度的(de)演(yan)(yan)出(chu)(chu)環境,高(gao)活(huo)躍的(de)氛圍,高(gao)品質的(de)演(yan)(yan)藝(yi)(yi)燈(deng)(deng)光(guang)(guang)(guang)效果。LED 菲涅爾聚光(guang)(guang)(guang)燈(deng)(deng)采用螺(luo)桿調(diao)焦系(xi)統,精準的(de)光(guang)(guang)(guang)學系(xi)統配(pei)有進口高(gao)透光(guang)(guang)(guang)的(de)菲涅爾透鏡(jing),便利的(de)LED數碼管燈(deng)(deng)控地(di)址設置,種(zhong)種(zhong)優點讓該(gai)款(kuan)燈(deng)(deng)具(ju)一經推(tui)出(chu)(chu)便深受(shou)專業(ye)人士喜(xi)愛(ai)。演(yan)(yan)播現場(chang)播音(yin)員無(wu)(wu)需擔心出(chu)(chu)汗而掉(diao)妝,因(yin)為(wei)該(gai)款(kuan)燈(deng)(deng)具(ju)是(shi)冷光(guang)(guang)(guang)型;調(diao)音(yin)師無(wu)(wu)需擔心場(chang)外噪(zao)音(yin),因(yin)為(wei)此(ci)燈(deng)(deng)具(ju)無(wu)(wu)噪(zao)音(yin);燈(deng)(deng)光(guang)(guang)(guang)師無(wu)(wu)需擔心色溫(wen)和顯色性,因(yin)為(wei)此(ci)燈(deng)(deng)具(ju)專門針(zhen)對攝(she)像機做了色彩校對;該(gai)燈(deng)(deng)具(ju)小(xiao)巧輕便,易于安裝,節省空間。

舞(wu)臺面光(guang)(guang)燈主要(yao)投向舞(wu)臺前部表(biao)演(yan)(yan)區(qu)(qu),供(gong)人物造型用或構成舞(wu)臺上物體(ti)的(de)(de)立體(ti)效(xiao)果;舞(wu)臺頂光(guang)(guang)燈主要(yao)用于(yu)需從(cong)上部進行(xing)強烈照明的(de)(de)場(chang)合,投射于(yu)中后部表(biao)演(yan)(yan)區(qu)(qu),用夾具裝(zhuang)在(zai)管子上,在(zai)所需處(chu)定位,也可(ke)吊(diao)在(zai)吊(diao)桿上(根據實際情況進行(xing)安裝(zhuang));特殊效(xiao)果燈為舞(wu)臺電(dian)腦搖頭燈、束光(guang)(guang)燈、舞(wu)臺煙機等等效(xiao)果燈,以及相匹配(pei)的(de)(de)組(zu)件(jian),并結(jie)合場(chang)景的(de)(de)裝(zhuang)修結(jie)構(風格(ge))、優(you)良的(de)(de)聲(sheng)場(chang)環境給演(yan)(yan)出營(ying)造出熱情、濃(nong)厚(hou)、激烈的(de)(de)演(yan)(yan)出、演(yan)(yan)唱氛(fen)圍。

“禮堂演出擴聲系統”解決方案

舞臺燈光設備布置圖

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1.功能及設備(bei)(bei)要(yao)求(qiu)KTV現(xian)已是(shi)當(dang)下中國最(zui)流(liu)行的(de)(de)(de)娛(yu)樂(le)產業,尤其是(shi)近幾年KTV這種娛(yu)樂(le)方式已成為了年輕人消遣娛(yu)樂(le)的(de)(de)(de)首要(yao)選擇。人們去KTV娛(yu)樂(le),一(yi)方面(mian)(mian)是(shi)尋求(qiu)快樂(le),另(ling)一(yi)方面(mian)(mian)是(shi)為了滿足(zu)自己當(dang)歌星的(de)(de)(de)夢想(xiang),所以(yi)(yi)KTV里(li)擁(yong)有一(yi)套好的(de)(de)(de)音(yin)(yin)(yin)響(xiang)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)是(shi)十分重要(yao)的(de)(de)(de)。KTV音(yin)(yin)(yin)響(xiang)設備(bei)(bei)應(ying)該(gai)能滿足(zu)連續24小時(shi)使(shi)用(yong)要(yao)求(qiu),并且揚聲器應(ying)具備(bei)(bei)充足(zu)的(de)(de)(de)冗余(yu)功率儲備(bei)(bei),避免出現(xian)過多(duo)(duo)失真使(shi)人產生聽覺(jue)不(bu)悅(yue)感。系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)應(ying)滿足(zu)當(dang)前的(de)(de)(de)主(zhu)流(liu)VOD點(dian)歌機(ji)內的(de)(de)(de)諸(zhu)多(duo)(duo)節目(mu),如:電(dian)(dian)影(ying)欣賞、勁(jing)歌勁(jing)舞等(deng)對(dui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)動態要(yao)求(qiu)較(jiao)高的(de)(de)(de)節目(mu)。KTV音(yin)(yin)(yin)響(xiang)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)應(ying)具備(bei)(bei)平(ping)直的(de)(de)(de)頻響(xiang)特(te)(te)性,以(yi)(yi)減少反饋(kui)帶來系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)的(de)(de)(de)風險。2.產品(pin)選型(xing)及使(shi)用(yong)建議一(yi)般來說,在VOD軟件方面(mian)(mian)我(wo)們選用(yong)禮光(guang)、雷石、視易等(deng)電(dian)(dian)腦點(dian)歌系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)作(zuo)為KTV系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)的(de)(de)(de)核心(xin),當(dang)前的(de)(de)(de)點(dian)歌系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)具有大容量、多(duo)(duo)種類、數字化、智能化等(deng)特(te)(te)點(dian),需(xu)要(yao)音(yin)(yin)(yin)頻系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)具有靈活多(duo)(duo)變的(de)(de)(de)使(shi)用(yong)特(te)(te)性來適應(ying)不(bu)同的(de)(de)(de)風格的(de)(de)(de)聲音(yin)(yin)(yin)如JBL RM系(xi)(xi)(xi)(xi)列【RM8、RM101、RM10II、RM12、R...
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項目需求n每個(ge)樓(lou)作為一個(ge)小的(de)分區(qu)(qu),可(ke)(ke)以在廣播(bo)(bo)(bo)中心(xin)將所有(you)(you)樓(lou)任意組合或(huo)整體控(kong)(kong)(kong)(kong)制(zhi)(zhi)。定時(shi)上、下課鈴聲。n校園(yuan)內的(de)背景(jing)音(yin)樂部分分為固定的(de)幾個(ge)分區(qu)(qu),可(ke)(ke)以同(tong)時(shi)收聽同(tong)一音(yin)源(yuan),也(ye)可(ke)(ke)分別(bie)廣播(bo)(bo)(bo)。n采用網絡化廣播(bo)(bo)(bo)系(xi)統,利(li)用現(xian)有(you)(you)局域網并實(shi)現(xian)多網合一,減少(shao)施(shi)工布線(xian)。全(quan)數字化傳(chuan)輸,覆蓋整個(ge)校區(qu)(qu)。n突破傳(chuan)統公共廣播(bo)(bo)(bo)只能(neng)下傳(chuan)和只能(neng)由機(ji)房集(ji)中控(kong)(kong)(kong)(kong)制(zhi)(zhi)的(de)格局,具有(you)(you)互動功能(neng),終端具有(you)(you)點播(bo)(bo)(bo)和控(kong)(kong)(kong)(kong)制(zhi)(zhi)及無線(xian)遙控(kong)(kong)(kong)(kong)功能(neng)。n根據學(xue)校的(de)要求,為了滿足不同(tong)的(de)科系(xi)的(de)不同(tong)要求,系(xi)統至(zhi)少(shao)可(ke)(ke)以傳(chuan)送20套及以上音(yin)源(yuan),可(ke)(ke)設置至(zhi)少(shao)8個(ge)以上的(de)分控(kong)(kong)(kong)(kong)中心(xin)(分控(kong)(kong)(kong)(kong)的(de)權限可(ke)(ke)由主控(kong)(kong)(kong)(kong)授(shou)權)。實(shi)現(xian)功能(neng)1、同(tong)時(shi)播(bo)(bo)(bo)放不同(tong)的(de)音(yin)源(yuan)校園(yuan)公共廣播(bo)(bo)(bo)如學(xue)校不同(tong)的(de)科、系(xi),在播(bo)(bo)(bo)放音(yin)樂及相關教(jiao)學(xue)內容,可(ke)(ke)針(zhen)對不同(tong)的(de)科或(huo)系(xi)播(bo)(bo)(bo)放相應的(de)題材等。教(jiao)學(xue)的(de)音(yin)樂鈴聲,內外分區(qu)(qu)播(bo)(bo)(bo)放, 全(quan)校的(de)背景(jing)音(yin)樂可(ke)(ke)以分區(qu)(qu)或(huo)全(quan)區(qu)(qu)播(bo)(bo)(bo)放,可(ke)(ke)以靈(ling)活自行設置要播(bo)(bo)(bo)放的(de)區(qu)(qu)域。2、教(jiao)師工作站(zhan)(制(zhi)(zhi)作教(jiao)學(xue)題材)無需到主控(kong)(kong)(kong)(kong)室,教(jiao)師可(ke)(ke)通過(guo)工作站(zhan)軟件(jian),即可(ke)(ke)提交...
2014 - 07 - 01
設(she)(she)(she)計(ji)(ji)(ji)原(yuan)則(ze)針對(dui)該工程的(de)(de)音視頻系(xi)(xi)(xi)(xi)(xi)(xi)統(tong)(tong)設(she)(she)(she)計(ji)(ji)(ji)的(de)(de)主(zhu)要任務:高(gao)性(xing)(xing)能(neng)和(he)多(duo)功(gong)能(neng),我(wo)們在(zai)(zai)系(xi)(xi)(xi)(xi)(xi)(xi)統(tong)(tong)設(she)(she)(she)計(ji)(ji)(ji)時(shi)遵(zun)守以下原(yuan)則(ze)。1、音視頻系(xi)(xi)(xi)(xi)(xi)(xi)統(tong)(tong)在(zai)(zai)設(she)(she)(she)計(ji)(ji)(ji)時(shi)嚴格遵(zun)守有關標準;2、結合各(ge)廳系(xi)(xi)(xi)(xi)(xi)(xi)統(tong)(tong)不(bu)同使用(yong)(yong)狀(zhuang)況,設(she)(she)(she)計(ji)(ji)(ji)不(bu)同功(gong)能(neng)定位(wei)的(de)(de)系(xi)(xi)(xi)(xi)(xi)(xi)統(tong)(tong);3、設(she)(she)(she)計(ji)(ji)(ji)時(shi)確保(bao)系(xi)(xi)(xi)(xi)(xi)(xi)統(tong)(tong)為會(hui)議提供便捷(jie)、可靠(kao)、高(gao)質量的(de)(de)服務;4、系(xi)(xi)(xi)(xi)(xi)(xi)統(tong)(tong)控制設(she)(she)(she)備盡(jin)量集成化,降低外圍設(she)(she)(she)備的(de)(de)操作難(nan)度(du);5、盡(jin)量選(xuan)擇音質純凈(jing)、清晰、性(xing)(xing)能(neng)穩(wen)定的(de)(de)擴聲設(she)(she)(she)備;6、考慮系(xi)(xi)(xi)(xi)(xi)(xi)統(tong)(tong)功(gong)能(neng)時(shi)要盡(jin)量選(xuan)擇能(neng)夠開發潛在(zai)(zai)功(gong)能(neng)的(de)(de)設(she)(she)(she)備;7、特別(bie)考慮設(she)(she)(she)備的(de)(de)安(an)裝問(wen)題(ti),避免對(dui)裝飾(shi)、結構的(de)(de)苛刻要求(qiu);8、根據(ju)設(she)(she)(she)備功(gong)能(neng)擴展的(de)(de)情況,為系(xi)(xi)(xi)(xi)(xi)(xi)統(tong)(tong)預(yu)留(liu)各(ge)種接口(kou)和(he)線纜(lan)。先(xian)進(jin)性(xing)(xing)本系(xi)(xi)(xi)(xi)(xi)(xi)統(tong)(tong)選(xuan)用(yong)(yong)先(xian)進(jin)、實用(yong)(yong)的(de)(de)技(ji)(ji)(ji)(ji)術(shu)和(he)功(gong)能(neng)完善的(de)(de)產(chan)品,一流的(de)(de)設(she)(she)(she)備,在(zai)(zai)技(ji)(ji)(ji)(ji)術(shu)上適(shi)度(du)超前,整個系(xi)(xi)(xi)(xi)(xi)(xi)統(tong)(tong)體現當今(jin)多(duo)媒體技(ji)(ji)(ji)(ji)術(shu)的(de)(de)發展水(shui)平,符合今(jin)后的(de)(de)發展趨勢。在(zai)(zai)今(jin)后相(xiang)當長(chang)的(de)(de)一段時(shi)間內可保(bao)持其技(ji)(ji)(ji)(ji)術(shu)的(de)(de)領先(xian)地位(wei)。成熟(shu)性(xing)(xing)與實用(yong)(yong)性(xing)(xing)各(ge)子系(xi)(xi)(xi)(xi)(xi)(xi)統(tong)(tong)應采用(yong)(yong)先(xian)進(jin)的(de)(de),已使用(yong)(yong)過并被證(zheng)明是成熟(shu)可靠(kao)的(de)(de)產(chan)品,同時(shi)具有實用(yong)(yong)性(xing)(xing),充(chong)分發揮(hui)每一種設(she)(she)(she)備的(de)(de)功(gong)能(neng)和(he)...
2017 - 04 - 28
一、系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)概述(shu):隨著現代(dai)化教(jiao)學系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)在(zai)(zai)各(ge)(ge)學校的(de)(de)(de)(de)(de)(de)不斷推(tui)進(jin),傳(chuan)(chuan)統(tong)(tong)(tong)(tong)的(de)(de)(de)(de)(de)(de)方(fang)式已經不適應現代(dai)化的(de)(de)(de)(de)(de)(de)需(xu)要(yao),集多(duo)(duo)功(gong)能教(jiao)室系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)、多(duo)(duo)媒(mei)體(ti)教(jiao)學系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)、演播系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)于一體(ti)的(de)(de)(de)(de)(de)(de)新型(xing)現代(dai)化教(jiao)育(yu)體(ti)系(xi)(xi)(xi)在(zai)(zai)教(jiao)育(yu)行業得到了日益(yi)廣泛的(de)(de)(de)(de)(de)(de)運用。作為(wei)一種新型(xing)的(de)(de)(de)(de)(de)(de)教(jiao)育(yu)形式和現代(dai)化教(jiao)學手段,多(duo)(duo)媒(mei)體(ti)技術給教(jiao)育(yu)行業帶(dai)來了新的(de)(de)(de)(de)(de)(de)機(ji)(ji)(ji)遇。二、學校教(jiao)學需(xu)求:為(wei)了擺脫(tuo)“粉筆、教(jiao)鞭和紙張(zhang)”固有模式的(de)(de)(de)(de)(de)(de)傳(chuan)(chuan)統(tong)(tong)(tong)(tong)教(jiao)育(yu)體(ti)系(xi)(xi)(xi)影(ying)響到時間和空間的(de)(de)(de)(de)(de)(de)極大(da)限(xian)制,整個(ge)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)要(yao)高(gao)效率的(de)(de)(de)(de)(de)(de)完成教(jiao)學任務,結合(he)各(ge)(ge)個(ge)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong),充分(fen)發揮(hui)各(ge)(ge)個(ge)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)(de)(de)(de)(de)功(gong)能,實(shi)現現代(dai)化的(de)(de)(de)(de)(de)(de)教(jiao)學。1、 多(duo)(duo)媒(mei)體(ti)顯(xian)示(shi)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong):現在(zai)(zai)的(de)(de)(de)(de)(de)(de)多(duo)(duo)媒(mei)體(ti)會(hui)議顯(xian)示(shi)設備(bei)(bei)包括電視接收機(ji)(ji)(ji)、液晶顯(xian)示(shi)屏、LCD液晶投影(ying)機(ji)(ji)(ji)和DLP數碼(ma)投影(ying)機(ji)(ji)(ji)等。通過多(duo)(duo)媒(mei)體(ti)顯(xian)示(shi)設備(bei)(bei)可更直觀地(di)向與(yu)會(hui)者提供各(ge)(ge)種數字、文字和圖像資料(liao)等,也可根據需(xu)要(yao)實(shi)時顯(xian)示(shi)會(hui)議過程中(zhong)的(de)(de)(de)(de)(de)(de)相關(guan)信(xin)息(xi)。信(xin)號源可以(yi)是錄(lu)像帶(dai)、電腦和影(ying)碟機(ji)(ji)(ji)信(xin)號,也可以(yi)是來自(zi)于會(hui)場的(de)(de)(de)(de)(de)(de)攝像機(ji)(ji)(ji)信(xin)號或硬(ying)盤錄(lu)像機(ji)(ji)(ji)信(xin)號。這些信(xin)號通過中(zhong)央控制設備(bei)(bei)的(de)(de)(de)(de)(de)(de)視頻分(fen)配(pei),進(jin)行切換(huan)輸...
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