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“禮(li)堂演出擴聲(sheng)系統”解決方案(an)

日期: 2018-04-28
瀏覽次數: 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

依據貴單位(wei)功能需求以及(ji)建筑及(ji)舞(wu)臺(tai)工藝圖紙,根(gen)據舞(wu)臺(tai)的基本使用功能和定(ding)位(wei)并(bing)參(can)照國家相關(guan)的標準和規范:

音響擴(kuo)聲系統設計規范

WH/T38-2009《舞(wu)臺(tai)擴聲(sheng)系統(tong)跳線柜、綜合接(jie)(jie)線箱、地板接(jie)(jie)線盒設置規(gui)范(fan)》

WH/T39-2009《專業音頻(pin)和擴聲(sheng)用揚聲(sheng)器組件實用規范》

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(gui)范》;

GB 4959-95 《廳堂(tang)擴聲特性測(ce)量方法(fa)》;

GBJ 76-84 《廳(ting)堂(tang)混響時間測量規范》;

JGJ 16-2008 《民用(yong)建筑電氣設計(ji)規范》;

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

(WH/T25-2007)《劇場等演出場所擴聲系(xi)統工程導則》

GB/T 14197-93 《聲系統(tong)設(she)備互連(lian)的優選配接值》;

ITU-R BT. 601-2 供演播室使(shi)用的(de)數字電(dian)視編碼(ma)標準(zhun);

ITU-R BT. 711 供分量數字演播室使用的同步基(ji)準信號(hao);

GY/T 156-2000 演播室數字音頻參數;

GY/T 158-2000 演播室(shi)數字音頻接(jie)口;

AES3 供數字伴音(yin)(yin)工程線性表示(shi)數字伴音(yin)(yin)數據的串行傳(chuan)輸格式;

AES11 供(gong)數字(zi)伴音工程在(zai)演播中(zhong)使用的(de)數字(zi)伴音設(she)備的(de)同步規格;

GB 3174-1995 PAL-D 制電(dian)視廣播技術規范(fan);

二、多功能廳設計說明

擴聲系統

根據業主(zhu)方提(ti)供(gong)的(de)裝修(xiu)圖紙(場景布局、實用面積(ji))結合系統(tong)功能現實(文藝活動兼報告型(xing)會(hui)議、培訓(xun)等(deng)(deng)等(deng)(deng)),我們選擇(ze)主(zhu)/輔/超低/返聽擴聲模式進(jin)行聲場擴聲。

本系統采(cai)用了48路擴展性強(qiang)(qiang)、處理(li)功能強(qiang)(qiang)大、兼容(rong)性好、個性化、多場(chang)景方便(bian)(bian)方便(bian)(bian)每(mei)個操(cao)作者和每(mei)場(chang)演出、無線調音(yin)功能的數字調音(yin)臺為(wei)核心(xin)進行音(yin)頻系統主控制(zhi),無線手持、無線頭戴、人聲/樂(le)器、合唱、 鵝(e)頸電容(rong)會(hui)議話筒對人聲進行拾取,隨后將初次拾取到的人聲信(xin)號(人聲信(xin)號先進入數字調音(yin)臺綜合管(guan)理(li))

通(tong)(tong)過(guo)(guo)專用(yong)的(de)(de)(de)(de)傳輸線纜(lan)傳輸到調(diao)音(yin)(yin)臺(tai)(音(yin)(yin)樂通(tong)(tong)過(guo)(guo)多(duo)媒體DVD 進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)播放,電(dian)腦播放等(deng)提(ti)供音(yin)(yin)源(yuan)信(xin)(xin)號(hao)),接著輸出(chu)到效(xiao)果器(qi)(qi)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)初次音(yin)(yin)質(zhi)處(chu)(chu)理、修正、根據使用(yong)環境適(shi)當(dang)的(de)(de)(de)(de)添加(jia)音(yin)(yin)頻(pin)(pin)效(xiao)果后輸入至(zhi)調(diao)音(yin)(yin)臺(tai)進(jin)(jin)(jin)(jin)(jin)一(yi)(yi)(yi)步的(de)(de)(de)(de)對音(yin)(yin)質(zhi)處(chu)(chu)理(增益、MIC 前置(zhi)放大(da)器(qi)(qi)、均(jun)(jun)衡(heng)、單/立體聲(sheng)輸出(chu)等(deng)等(deng)),這時通(tong)(tong)過(guo)(guo)調(diao)音(yin)(yin)臺(tai)末端(duan)(duan)輸出(chu)到12進(jin)(jin)(jin)(jin)(jin)12出(chu)音(yin)(yin)頻(pin)(pin)數字矩陣(zhen)處(chu)(chu)理器(qi)(qi),運(yun)用(yong)其內(nei)置(zhi)功(gong)(gong)能進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)處(chu)(chu)理(輸入信(xin)(xin)號(hao)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)壓限、延時、均(jun)(jun)衡(heng)等(deng)操作,此操作有益系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)(de)(de)正常運(yun)行(xing)(xing)(xing)、設(she)備安(an)(an)全、聲(sheng)場(chang)音(yin)(yin)質(zhi)的(de)(de)(de)(de)均(jun)(jun)勻),最(zui)后分頻(pin)(pin)器(qi)(qi)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)音(yin)(yin)頻(pin)(pin)信(xin)(xin)號(hao)處(chu)(chu)理分頻(pin)(pin),將音(yin)(yin)頻(pin)(pin)電(dian)聲(sheng)信(xin)(xin)號(hao)一(yi)(yi)(yi)分為(wei)三進(jin)(jin)(jin)(jin)(jin)入擴聲(sheng)系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)(de)(de)信(xin)(xin)號(hao)電(dian)聲(sheng)放大(da)部分,此部分是(shi)通(tong)(tong)過(guo)(guo)與揚(yang)聲(sheng)器(qi)(qi)技術參數相匹配(pei)的(de)(de)(de)(de)主(zhu)/輔(fu)/超低頻(pin)(pin)功(gong)(gong)率(lv)放大(da)器(qi)(qi)對電(dian)聲(sheng)信(xin)(xin)號(hao)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)電(dian)功(gong)(gong)率(lv)放大(da),讓音(yin)(yin)頻(pin)(pin)可(ke)以有足夠的(de)(de)(de)(de)功(gong)(gong)率(lv)去推相應(ying)的(de)(de)(de)(de)主(zhu)/輔(fu)/超低頻(pin)(pin)揚(yang)聲(sheng)器(qi)(qi)(也是(shi)系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)(de)(de)末端(duan)(duan)),對舞(wu)臺(tai)這場(chang)區域(yu),我們選配(pei)一(yi)(yi)(yi)對舞(wu)臺(tai)返聽揚(yang)聲(sheng)器(qi)(qi),用(yong)均(jun)(jun)衡(heng)器(qi)(qi)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)音(yin)(yin)質(zhi)處(chu)(chu)理(提(ti)升/衰(shuai)減(jian)量程、增益調(diao)節、電(dian)壓調(diao)節、信(xin)(xin)號(hao)動態調(diao)節等(deng)等(deng)),為(wei)場(chang)景提(ti)供一(yi)(yi)(yi)個高品質(zhi)、高享受、高效(xiao)率(lv)的(de)(de)(de)(de)優良聲(sheng)場(chang)。除此之外,為(wei)了(le)提(ti)高系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)(de)(de)安(an)(an)全性(xing)與操作的(de)(de)(de)(de)方(fang)(fang)便(bian)性(xing),還選配(pei)了(le)一(yi)(yi)(yi)臺(tai)電(dian)源(yuan)時序(xu)器(qi)(qi)對整套系(xi)(xi)統(tong)(tong)(tong)(tong)電(dian)源(yuan)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)管理,可(ke)以通(tong)(tong)過(guo)(guo)此設(she)備對電(dian)源(yuan)逐(zhu)一(yi)(yi)(yi)逐(zhu)一(yi)(yi)(yi)的(de)(de)(de)(de)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)安(an)(an)全開/關(一(yi)(yi)(yi)鍵到位)。為(wei)了(le)增加(jia)文藝活動演出(chu)方(fang)(fang)便(bian)還配(pei)置(zhi)了(le)一(yi)(yi)(yi)套舞(wu)臺(tai)演出(chu)內(nei)部通(tong)(tong)訊系(xi)(xi)統(tong)(tong)(tong)(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(ye)主方場景的裝修造型、輔助(zhu)顯示(shi)面及(ji)視角范圍會議(yi)報告等,我(wo)們(men)選配了(le)(le)LED會標顯示(shi)屏及(ji)舞臺兩側LED全彩顯示(shi)屏的高刷新率工程顯示(shi)系統(tong)配置、進行高清視頻信號顯示(shi),為觀看提(ti)供了(le)(le)一個(ge)有效的視角范圍。

場(chang)景中(zhong)還配置了3臺高速攝(she)像(xiang)快球,用于視(shi)頻攝(she)像(xiang)跟(gen)蹤、視(shi)頻捕捉以(yi)及(ji)視(shi)頻信(xin)息(xi)(場(chang)景畫面(mian)的(de)(de)(de)切換)儲存(cun)等(deng)功(gong)能。集(ji)中(zhong)控制(zhi)系(xi)統(海康威(wei)視(shi))是控制(zhi)系(xi)統的(de)(de)(de)核心(xin)。它可以(yi)獨立操作,實(shi)現視(shi)頻/攝(she)像(xiang)跟(gen)蹤等(deng)等(deng)控制(zhi),對(dui)演(yan)出(chu)后臺即(ji)將(jiang)準備(bei)下一個節目(mu)的(de)(de)(de)工作人(ren)員提(ti)供的(de)(de)(de)方便(bian)、實(shi)時觀察到(dao)舞臺上(shang)的(de)(de)(de)動(dong)靜(jing)以(yi)及(ji)相關演(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)系統是(shi)為(wei)文藝活(huo)動所配(pei)(pei)置的(de)(de),由舞臺(tai)(tai)聚光(guang)(guang)(guang)燈(deng)(deng)(deng)(deng)(deng)會議燈(deng)(deng)(deng)(deng)(deng)、舞臺(tai)(tai)演出(chu)面光(guang)(guang)(guang)、舞臺(tai)(tai)演出(chu)頂(ding)光(guang)(guang)(guang)燈(deng)(deng)(deng)(deng)(deng)、特(te)殊效果燈(deng)(deng)(deng)(deng)(deng)及調光(guang)(guang)(guang)臺(tai)(tai)組成的(de)(de),它可以為(wei)整個場(chang)(chang)(chang)景提供足(zu)夠亮(liang)度的(de)(de)演出(chu)環境,高活(huo)躍的(de)(de)氛圍,高品質的(de)(de)演藝燈(deng)(deng)(deng)(deng)(deng)光(guang)(guang)(guang)效果。LED 菲涅爾聚光(guang)(guang)(guang)燈(deng)(deng)(deng)(deng)(deng)采用螺桿調焦系統,精準的(de)(de)光(guang)(guang)(guang)學(xue)系統配(pei)(pei)有(you)進口(kou)高透(tou)光(guang)(guang)(guang)的(de)(de)菲涅爾透(tou)鏡,便(bian)利的(de)(de)LED數碼管燈(deng)(deng)(deng)(deng)(deng)控(kong)地址設置,種種優點讓該(gai)款(kuan)燈(deng)(deng)(deng)(deng)(deng)具一經推(tui)出(chu)便(bian)深受專業人士(shi)喜愛。演播現場(chang)(chang)(chang)播音員無(wu)(wu)需擔心(xin)出(chu)汗而掉妝(zhuang),因(yin)為(wei)該(gai)款(kuan)燈(deng)(deng)(deng)(deng)(deng)具是(shi)冷光(guang)(guang)(guang)型;調音師無(wu)(wu)需擔心(xin)場(chang)(chang)(chang)外(wai)噪音,因(yin)為(wei)此(ci)燈(deng)(deng)(deng)(deng)(deng)具無(wu)(wu)噪音;燈(deng)(deng)(deng)(deng)(deng)光(guang)(guang)(guang)師無(wu)(wu)需擔心(xin)色溫(wen)和顯色性,因(yin)為(wei)此(ci)燈(deng)(deng)(deng)(deng)(deng)具專門(men)針對攝像(xiang)機(ji)做了色彩校對;該(gai)燈(deng)(deng)(deng)(deng)(deng)具小(xiao)巧輕(qing)便(bian),易于安裝,節省空間。

舞(wu)臺(tai)面光(guang)燈(deng)主(zhu)要投向(xiang)舞(wu)臺(tai)前部表演(yan)區(qu),供(gong)人物造型用或(huo)構(gou)(gou)成舞(wu)臺(tai)上物體的(de)立體效(xiao)(xiao)果(guo);舞(wu)臺(tai)頂(ding)光(guang)燈(deng)主(zhu)要用于需從上部進行強烈照明的(de)場合(he),投射于中后(hou)部表演(yan)區(qu),用夾具裝(zhuang)(zhuang)在管子上,在所需處定位,也可(ke)吊在吊桿(gan)上(根據(ju)實際情況進行安(an)裝(zhuang)(zhuang));特(te)殊效(xiao)(xiao)果(guo)燈(deng)為(wei)舞(wu)臺(tai)電腦(nao)搖(yao)頭燈(deng)、束光(guang)燈(deng)、舞(wu)臺(tai)煙機等等效(xiao)(xiao)果(guo)燈(deng),以及(ji)相匹配(pei)的(de)組件,并結(jie)合(he)場景的(de)裝(zhuang)(zhuang)修結(jie)構(gou)(gou)(風格)、優良的(de)聲場環境給(gei)演(yan)出營造出熱情、濃(nong)厚、激烈的(de)演(yan)出、演(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(neng)及設備(bei)要求KTV現已(yi)是(shi)(shi)當下中國最(zui)流(liu)行的(de)(de)(de)娛(yu)樂產(chan)業,尤其是(shi)(shi)近幾年KTV這種娛(yu)樂方式已(yi)成(cheng)為(wei)了(le)年輕人(ren)消遣娛(yu)樂的(de)(de)(de)首要選(xuan)擇。人(ren)們(men)去KTV娛(yu)樂,一(yi)(yi)方面(mian)是(shi)(shi)尋求快樂,另一(yi)(yi)方面(mian)是(shi)(shi)為(wei)了(le)滿(man)足自(zi)己當歌(ge)(ge)星的(de)(de)(de)夢想,所以KTV里擁有一(yi)(yi)套好的(de)(de)(de)音響(xiang)系(xi)(xi)統(tong)(tong)(tong)是(shi)(shi)十分重要的(de)(de)(de)。KTV音響(xiang)設備(bei)應(ying)(ying)該能(neng)滿(man)足連(lian)續24小時使(shi)(shi)用要求,并(bing)且揚聲(sheng)器應(ying)(ying)具(ju)(ju)備(bei)充足的(de)(de)(de)冗(rong)余(yu)功率(lv)儲備(bei),避免出現過多(duo)失(shi)真使(shi)(shi)人(ren)產(chan)生聽覺不悅感。系(xi)(xi)統(tong)(tong)(tong)應(ying)(ying)滿(man)足當前(qian)(qian)的(de)(de)(de)主流(liu)VOD點(dian)歌(ge)(ge)機內的(de)(de)(de)諸多(duo)節目,如(ru):電影欣賞、勁歌(ge)(ge)勁舞(wu)等對系(xi)(xi)統(tong)(tong)(tong)動態(tai)要求較高的(de)(de)(de)節目。KTV音響(xiang)系(xi)(xi)統(tong)(tong)(tong)應(ying)(ying)具(ju)(ju)備(bei)平直的(de)(de)(de)頻(pin)響(xiang)特(te)性,以減少(shao)反饋帶(dai)來(lai)(lai)(lai)系(xi)(xi)統(tong)(tong)(tong)的(de)(de)(de)風險(xian)。2.產(chan)品選(xuan)型(xing)及使(shi)(shi)用建議一(yi)(yi)般來(lai)(lai)(lai)說,在VOD軟件方面(mian)我們(men)選(xuan)用禮(li)光、雷(lei)石、視易(yi)等電腦點(dian)歌(ge)(ge)系(xi)(xi)統(tong)(tong)(tong)作為(wei)KTV系(xi)(xi)統(tong)(tong)(tong)的(de)(de)(de)核心,當前(qian)(qian)的(de)(de)(de)點(dian)歌(ge)(ge)系(xi)(xi)統(tong)(tong)(tong)具(ju)(ju)有大(da)容量、多(duo)種類(lei)、數字化(hua)、智(zhi)能(neng)化(hua)等特(te)點(dian),需要音頻(pin)系(xi)(xi)統(tong)(tong)(tong)具(ju)(ju)有靈活(huo)多(duo)變(bian)的(de)(de)(de)使(shi)(shi)用特(te)性來(lai)(lai)(lai)適應(ying)(ying)不同的(de)(de)(de)風格的(de)(de)(de)聲(sheng)音如(ru)JBL RM系(xi)(xi)列(lie)【RM8、RM101、RM10II、RM12、R...
2014 - 07 - 01
項目需(xu)求n每個樓作為一(yi)個小的(de)(de)分(fen)區(qu)(qu)(qu),可(ke)以(yi)在(zai)廣(guang)(guang)播(bo)(bo)(bo)(bo)中(zhong)心(xin)將所有(you)(you)樓任(ren)意組(zu)合或整(zheng)體控(kong)制(zhi)。定(ding)時(shi)上、下(xia)課鈴聲(sheng)(sheng)。n校(xiao)(xiao)園內(nei)的(de)(de)背(bei)景(jing)音樂(le)部分(fen)分(fen)為固(gu)定(ding)的(de)(de)幾(ji)個分(fen)區(qu)(qu)(qu),可(ke)以(yi)同(tong)(tong)時(shi)收聽同(tong)(tong)一(yi)音源(yuan),也(ye)可(ke)分(fen)別(bie)廣(guang)(guang)播(bo)(bo)(bo)(bo)。n采用網(wang)絡化(hua)廣(guang)(guang)播(bo)(bo)(bo)(bo)系(xi)統,利用現(xian)有(you)(you)局(ju)域(yu)網(wang)并(bing)實現(xian)多網(wang)合一(yi),減少施工(gong)(gong)布(bu)線。全數(shu)字化(hua)傳(chuan)(chuan)輸,覆蓋整(zheng)個校(xiao)(xiao)區(qu)(qu)(qu)。n突破(po)傳(chuan)(chuan)統公(gong)共(gong)廣(guang)(guang)播(bo)(bo)(bo)(bo)只(zhi)能(neng)下(xia)傳(chuan)(chuan)和只(zhi)能(neng)由機房集中(zhong)控(kong)制(zhi)的(de)(de)格(ge)局(ju),具(ju)有(you)(you)互(hu)動功(gong)能(neng),終端具(ju)有(you)(you)點播(bo)(bo)(bo)(bo)和控(kong)制(zhi)及無線遙控(kong)功(gong)能(neng)。n根據(ju)學(xue)校(xiao)(xiao)的(de)(de)要求,為了滿(man)足不同(tong)(tong)的(de)(de)科(ke)系(xi)的(de)(de)不同(tong)(tong)要求,系(xi)統至(zhi)少可(ke)以(yi)傳(chuan)(chuan)送20套及以(yi)上音源(yuan),可(ke)設(she)置至(zhi)少8個以(yi)上的(de)(de)分(fen)控(kong)中(zhong)心(xin)(分(fen)控(kong)的(de)(de)權限可(ke)由主(zhu)控(kong)授權)。實現(xian)功(gong)能(neng)1、同(tong)(tong)時(shi)播(bo)(bo)(bo)(bo)放(fang)不同(tong)(tong)的(de)(de)音源(yuan)校(xiao)(xiao)園公(gong)共(gong)廣(guang)(guang)播(bo)(bo)(bo)(bo)如學(xue)校(xiao)(xiao)不同(tong)(tong)的(de)(de)科(ke)、系(xi),在(zai)播(bo)(bo)(bo)(bo)放(fang)音樂(le)及相關教(jiao)學(xue)內(nei)容(rong),可(ke)針對不同(tong)(tong)的(de)(de)科(ke)或系(xi)播(bo)(bo)(bo)(bo)放(fang)相應的(de)(de)題材(cai)等。教(jiao)學(xue)的(de)(de)音樂(le)鈴聲(sheng)(sheng),內(nei)外分(fen)區(qu)(qu)(qu)播(bo)(bo)(bo)(bo)放(fang), 全校(xiao)(xiao)的(de)(de)背(bei)景(jing)音樂(le)可(ke)以(yi)分(fen)區(qu)(qu)(qu)或全區(qu)(qu)(qu)播(bo)(bo)(bo)(bo)放(fang),可(ke)以(yi)靈活自行設(she)置要播(bo)(bo)(bo)(bo)放(fang)的(de)(de)區(qu)(qu)(qu)域(yu)。2、教(jiao)師(shi)工(gong)(gong)作站(制(zhi)作教(jiao)學(xue)題材(cai))無需(xu)到主(zhu)控(kong)室,教(jiao)師(shi)可(ke)通過(guo)工(gong)(gong)作站軟件,即(ji)可(ke)提交...
2014 - 07 - 01
設(she)(she)(she)計原(yuan)則(ze)針對(dui)該工程的(de)(de)(de)(de)音視頻(pin)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)設(she)(she)(she)計的(de)(de)(de)(de)主要(yao)任務:高(gao)性(xing)能(neng)(neng)和(he)多(duo)功(gong)能(neng)(neng),我們在(zai)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)設(she)(she)(she)計時(shi)遵守以下(xia)原(yuan)則(ze)。1、音視頻(pin)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)在(zai)設(she)(she)(she)計時(shi)嚴格遵守有關標準;2、結合各廳系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)不(bu)同使用(yong)(yong)狀況(kuang),設(she)(she)(she)計不(bu)同功(gong)能(neng)(neng)定位的(de)(de)(de)(de)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong);3、設(she)(she)(she)計時(shi)確保(bao)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)為(wei)會議提供便捷、可(ke)靠(kao)、高(gao)質(zhi)量的(de)(de)(de)(de)服務;4、系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)控制設(she)(she)(she)備(bei)(bei)盡(jin)量集成化,降低外圍(wei)設(she)(she)(she)備(bei)(bei)的(de)(de)(de)(de)操作(zuo)難(nan)度;5、盡(jin)量選擇音質(zhi)純凈(jing)、清晰、性(xing)能(neng)(neng)穩(wen)定的(de)(de)(de)(de)擴(kuo)(kuo)聲設(she)(she)(she)備(bei)(bei);6、考慮(lv)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)功(gong)能(neng)(neng)時(shi)要(yao)盡(jin)量選擇能(neng)(neng)夠開發(fa)潛在(zai)功(gong)能(neng)(neng)的(de)(de)(de)(de)設(she)(she)(she)備(bei)(bei);7、特別考慮(lv)設(she)(she)(she)備(bei)(bei)的(de)(de)(de)(de)安(an)裝問題,避免(mian)對(dui)裝飾、結構(gou)的(de)(de)(de)(de)苛(ke)刻(ke)要(yao)求;8、根據設(she)(she)(she)備(bei)(bei)功(gong)能(neng)(neng)擴(kuo)(kuo)展的(de)(de)(de)(de)情況(kuang),為(wei)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)預留各種接口(kou)和(he)線纜。先(xian)(xian)進(jin)性(xing)本(ben)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)選用(yong)(yong)先(xian)(xian)進(jin)、實(shi)用(yong)(yong)的(de)(de)(de)(de)技術和(he)功(gong)能(neng)(neng)完善(shan)的(de)(de)(de)(de)產(chan)品(pin),一(yi)流的(de)(de)(de)(de)設(she)(she)(she)備(bei)(bei),在(zai)技術上適(shi)度超前,整個系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)體現當(dang)今多(duo)媒體技術的(de)(de)(de)(de)發(fa)展水平,符(fu)合今后的(de)(de)(de)(de)發(fa)展趨勢。在(zai)今后相當(dang)長的(de)(de)(de)(de)一(yi)段時(shi)間內(nei)可(ke)保(bao)持其技術的(de)(de)(de)(de)領先(xian)(xian)地(di)位。成熟性(xing)與實(shi)用(yong)(yong)性(xing)各子(zi)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)應采(cai)用(yong)(yong)先(xian)(xian)進(jin)的(de)(de)(de)(de),已使用(yong)(yong)過(guo)并被證明是成熟可(ke)靠(kao)的(de)(de)(de)(de)產(chan)品(pin),同時(shi)具(ju)有實(shi)用(yong)(yong)性(xing),充分發(fa)揮每(mei)一(yi)種設(she)(she)(she)備(bei)(bei)的(de)(de)(de)(de)功(gong)能(neng)(neng)和(he)...
2017 - 04 - 28
一、系(xi)統(tong)(tong)(tong)概述(shu):隨著現代(dai)(dai)化(hua)教(jiao)(jiao)(jiao)學(xue)(xue)(xue)系(xi)統(tong)(tong)(tong)在(zai)各(ge)學(xue)(xue)(xue)校(xiao)的(de)(de)不斷(duan)推進(jin),傳(chuan)統(tong)(tong)(tong)的(de)(de)方(fang)式已經不適應現代(dai)(dai)化(hua)的(de)(de)需要,集多功能教(jiao)(jiao)(jiao)室系(xi)統(tong)(tong)(tong)、多媒體教(jiao)(jiao)(jiao)學(xue)(xue)(xue)系(xi)統(tong)(tong)(tong)、演播系(xi)統(tong)(tong)(tong)于(yu)一體的(de)(de)新(xin)型現代(dai)(dai)化(hua)教(jiao)(jiao)(jiao)育體系(xi)在(zai)教(jiao)(jiao)(jiao)育行業得到了(le)日(ri)益廣泛的(de)(de)運(yun)用。作(zuo)為(wei)(wei)一種新(xin)型的(de)(de)教(jiao)(jiao)(jiao)育形(xing)式和(he)(he)(he)(he)現代(dai)(dai)化(hua)教(jiao)(jiao)(jiao)學(xue)(xue)(xue)手段(duan),多媒體技術給教(jiao)(jiao)(jiao)育行業帶來(lai)了(le)新(xin)的(de)(de)機(ji)(ji)遇。二、學(xue)(xue)(xue)校(xiao)教(jiao)(jiao)(jiao)學(xue)(xue)(xue)需求:為(wei)(wei)了(le)擺脫“粉筆、教(jiao)(jiao)(jiao)鞭(bian)和(he)(he)(he)(he)紙(zhi)張”固(gu)有模式的(de)(de)傳(chuan)統(tong)(tong)(tong)教(jiao)(jiao)(jiao)育體系(xi)影(ying)響到時間和(he)(he)(he)(he)空間的(de)(de)極大限制,整個系(xi)統(tong)(tong)(tong)要高效率的(de)(de)完成教(jiao)(jiao)(jiao)學(xue)(xue)(xue)任務,結合各(ge)個系(xi)統(tong)(tong)(tong),充分發(fa)揮各(ge)個系(xi)統(tong)(tong)(tong)的(de)(de)功能,實(shi)現現代(dai)(dai)化(hua)的(de)(de)教(jiao)(jiao)(jiao)學(xue)(xue)(xue)。1、 多媒體顯(xian)示(shi)系(xi)統(tong)(tong)(tong):現在(zai)的(de)(de)多媒體會議(yi)(yi)顯(xian)示(shi)設備包括電視接(jie)收機(ji)(ji)、液晶顯(xian)示(shi)屏、LCD液晶投影(ying)機(ji)(ji)和(he)(he)(he)(he)DLP數(shu)碼投影(ying)機(ji)(ji)等。通(tong)過(guo)多媒體顯(xian)示(shi)設備可更(geng)直觀地向與會者提供各(ge)種數(shu)字(zi)、文字(zi)和(he)(he)(he)(he)圖像資料等,也可根據(ju)需要實(shi)時顯(xian)示(shi)會議(yi)(yi)過(guo)程中的(de)(de)相關信(xin)息。信(xin)號源可以是錄像帶、電腦和(he)(he)(he)(he)影(ying)碟機(ji)(ji)信(xin)號,也可以是來(lai)自于(yu)會場的(de)(de)攝像機(ji)(ji)信(xin)號或硬盤(pan)錄像機(ji)(ji)信(xin)號。這些信(xin)號通(tong)過(guo)中央控制設備的(de)(de)視頻分配,進(jin)行切換(huan)輸...
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