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“酒(jiu)店賓(bin)館(guan)公共廣(guang)播”解決方案

日期(qi): 2018-04-28
瀏(liu)覽次數: 262

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“酒店賓館公共廣播”解決方案

隨著我國對外改革開放(fang)的進一步深入,酒店(dian)賓館的建(jian)設(she)在我國已掀起一個高潮。再(zai)加上(shang)近年來各種新(xin)技術、新(xin)方法的不斷出現(xian),特(te)(te)別(bie)是近年來弱電系統發展得特(te)(te)別(bie)快,如何(he)做好新(xin)時期建(jian)筑特(te)(te)別(bie)是星級賓館的弱電系統設(she)計,是擺(bai)在我們電氣設(she)計人員面(mian)前的新(xin)課題。

酒店(dian)公共(gong)廣播,賓(bin)館(guan)公共(gong)廣播系統的(de)設(she)置原(yuan)則

我(wo)們知道,建筑的音(yin)響系統(tong)一般(ban)可分為以下三種:

n業務(wu)性廣播系(xi)統

n服務性廣播系統

n火災事故廣播系統

根據《民用建筑電氣設計規范(fan)》要(yao)求,酒(jiu)店(dian)賓館(guan)公共廣(guang)播系統(tong)應(ying)設置(zhi)服務(wu)性廣(guang)播系統(tong)和火災事故(gu)廣(guang)播系統(tong)。服務(wu)性廣(guang)播系統(tong)應(ying)以滿足欣賞性音(yin)樂類廣(guang)播為主,且(qie)節目設置(zhi)不宜超過五套。賓館(guan)的服務(wu)性廣(guang)播系統(tong)包括背景音(yin)樂和客房音(yin)響。

專業音(yin)響(xiang)工程背景音(yin)樂(le)和客房公共廣(guang)播系(xi)統(tong)的設(she)計

星級賓館(guan)應在(zai)辦公(gong)室、走(zou)廊(lang)、門廳及公(gong)共場(chang)所設(she)(she)置(zhi)(zhi)背景音(yin)(yin)樂(le)(le)。背景音(yin)(yin)樂(le)(le)揚聲(sheng)器一(yi)般選用3W~5W。客房(fang)音(yin)(yin)響系統顧名思(si)義是在(zai)客房(fang)內(nei)設(she)(she)置(zhi)(zhi)供(gong)客人(ren)休(xiu)息(xi)、時(shi)收聽的音(yin)(yin)樂(le)(le)節(jie)目。前面已經說過,節(jie)目的設(she)(she)置(zhi)(zhi)一(yi)般不(bu)超(chao)過五套。

揚聲(sheng)設備(bei)的選擇

背(bei)景(jing)音樂系統(tong)平時主要播送背(bei)景(jing)音樂,給人們提供一(yi)個良好的(de)(de)辦公、學(xue)習環境。在辦公室(shi)、生活間、更衣室(shi)等房(fang)(fang)(fang)間內(nei)可按0.05W/m2左(zuo)右(you)裝設。一(yi)般會議室(shi)、餐(can)廳、商場等大開(kai)間宜(yi)裝設1W~3W揚聲(sheng)器(qi)。層(ceng)高(gao)為(wei)(wei)2.5m左(zuo)右(you)時,采用(yong)(yong)1W揚聲(sheng)器(qi);層(ceng)高(gao)為(wei)(wei)4m以上(shang)時,采用(yong)(yong)3W揚聲(sheng)器(qi)。間距均為(wei)(wei)層(ceng)高(gao)的(de)(de)2.5倍左(zuo)右(you)。走道揚聲(sheng)器(qi)問距按層(ceng)高(gao)的(de)(de)2.5倍左(zuo)右(you)考慮。客房(fang)(fang)(fang)音響系統(tong)一(yi)般是(shi)在每(mei)間標準客房(fang)(fang)(fang)內(nei)裝設1W的(de)(de)揚聲(sheng)器(qi)。揚聲(sheng)器(qi)一(yi)般均吸頂安(an)裝。

音(yin)頻傳(chuan)輸方(fang)式的選擇

音頻(pin)傳輸(shu)方式(shi)一般(ban)有(you)兩(liang)種:定(ding)(ding)壓輸(shu)出(chu)方式(shi)和定(ding)(ding)阻輸(shu)出(chu)方式(shi)。定(ding)(ding)壓輸(shu)出(chu)廣播(bo)范(fan)圍大,用(yong)戶(hu)(hu)增減(jian)(jian)較方便;定(ding)(ding)阻輸(shu)出(chu)的(de)(de)廣播(bo)范(fan)圍較小,配線簡單(dan)而且音質較好。但由于(yu)定(ding)(ding)阻輸(shu)出(chu)網(wang)(wang)絡阻抗計算較麻煩(fan),切除用(yong)戶(hu)(hu)揚聲(sheng)器時必須用(yong)相當的(de)(de)等值阻抗假性負載代替。因此只適(shi)用(yong)于(yu)廣播(bo)網(wang)(wang)較小的(de)(de)場所。而星級(ji)賓館的(de)(de)廣播(bo)范(fan)圍都比較大,用(yong)戶(hu)(hu)也經常(chang)增減(jian)(jian)廣播(bo)單(dan)元,因此星級(ji)賓館的(de)(de)廣播(bo)網(wang)(wang)絡一般(ban)都選用(yong)定(ding)(ding)壓輸(shu)出(chu),功率(lv)傳送(song)。

客房音響系(xi)統的設(she)計還有(you)一種做法(fa)是把所有(you)音響節(jie)目經(jing)調(diao)(diao)制器混入共(gong)用(yong)(yong)天線系(xi)統,通過同軸電(dian)纜(lan)送入客房,在床頭控制柜上裝調(diao)(diao)頻(pin)接收機把音頻(pin)信號解調(diao)(diao)出節(jie)省設(she)備。但每個房間使用(yong)(yong)不(bu)方便,現(xian)在大型(xing)賓館很(hen)少采用(yong)(yong)這(zhe)種設(she)計。

系(xi)統前端(duan)設備的選擇(ze)與(yu)設置

如前所述,星級賓館的音(yin)響(xiang)系統宜選用定(ding)壓輸出,功率傳送。下面給出功放設備的容量計算公式:

P=K1×K2×Σ0

式中,P----功放(fang)設備輸(shu)出的總電功率;

P0=Ki×Pi,每分路(lu)同時廣(guang)播的最大電(dian)功率;

p1----第i支路設備(bei)的(de)額(e)定(ding)容量;

Ki----第(di)i支路的(de)同時(shi)需要(yao)系數;

客房音(yin)響系統每套取0.2~0.4;背景音(yin)樂系統取0.5~0.6;

K1線路衰(shuai)耗(hao)補(bu)償系數;賓館音響系統允許衰(shuai)耗(hao)1dB,取1.26;

K2老(lao)化(hua)系數,一般取1.2~1.4。

例如(ru):某三(san)星級(ji)賓館有(you)320套客(ke)房,按每(mei)間客(ke)房裝設四套節(jie)(jie)目,使(shi)用1W揚聲器,則每(mei)套節(jie)(jie)目功放設備的容(rong)量計算如(ru)下:

P=K1×K2×ΣP0=1.26×1.4×(320×0.4)=226W

所(suo)以,每套節目可選擇2臺120W的功率放大(da)器,四套節目共八臺即可滿(man)足要求。

前(qian)端(duan)設(she)備除(chu)了(le)功(gong)放(fang)(fang)單元(yuan)以外,還有信號(hao)(hao)(hao)源(yuan)、前(qian)置增音(yin)機(ji)(ji)(ji)、監聽器等(deng)。信號(hao)(hao)(hao)源(yuan)一(yi)(yi)般可選用(yong)立(li)體聲調頻接收機(ji)(ji)(ji)、自動回(hui)帶(dai)播放(fang)(fang)錄(lu)音(yin)機(ji)(ji)(ji)、CD唱機(ji)(ji)(ji)等(deng)。前(qian)置增音(yin)機(ji)(ji)(ji)的(de)(de)功(gong)能是把信號(hao)(hao)(hao)源(yuan)來的(de)(de)不同電平(ping)的(de)(de)信號(hao)(hao)(hao)進(jin)行(xing)規整、放(fang)(fang)大(da),使不同信號(hao)(hao)(hao)源(yuan)的(de)(de)電平(ping)在進(jin)入功(gong)放(fang)(fang)設(she)備時基(ji)本一(yi)(yi)致,以保證(zheng)每套節目(mu)的(de)(de)電平(ping)在放(fang)(fang)大(da)輸(shu)出后基(ji)本一(yi)(yi)致。

酒店背景音(yin)樂(le)系統,服務(wu)性廣播(bo)(背景音(yin)樂(le)和客房音(yin)樂(le))與火(huo)災事故廣播(bo)的關系

酒店賓館建筑的(de)服務性廣(guang)播(bo)與火(huo)災(zai)事(shi)故(gu)廣(guang)播(bo)均合用(yong)揚(yang)聲(sheng)器(qi)。我國(guo)《火(huo)災(zai)自動報警系統(tong)設計(ji)規范》指出(chu),火(huo)災(zai)時,應能在消防控(kong)制室將火(huo)災(zai)疏散(san)層的(de)揚(yang)聲(sheng)器(qi)和廣(guang)播(bo)音響擴音機強制轉入火(huo)災(zai)事(shi)故(gu)廣(guang)播(bo)狀態。賓館客房的(de)揚(yang)聲(sheng)器(qi)應具有(you)火(huo)災(zai)事(shi)故(gu)廣(guang)播(bo)功(gong)能。因此,在具有(you)緊急廣(guang)播(bo)功(gong)能的(de)賓館廣(guang)播(bo)音響系統(tong)設計(ji)中,必須注意:

n消防報警信號應在(zai)系統中具有最高(gao)優先權,應具備切斷背(bei)景(jing)音樂和客房(fang)音響(xiang)等狀態的功能;

n應便于(yu)消防(fang)報警值班人員進行控(kong)制;

n傳(chuan)輸電纜和揚聲器應具有防(fang)火特性;

n最好設(she)置獨立的備用(yong)電源設(she)備,在交流電斷電的情況下,保證報警(jing)廣播的實施。

因此,在設計(ji)酒店賓館公(gong)共廣(guang)播系統時如(ru)何(he)使服務性廣(guang)播與(yu)火災事(shi)故廣(guang)播有機結(jie)合,是在設計(ji)時需要(yao)特別考慮的問題。

其(qi)實(shi),實(shi)現這(zhe)種有(you)機結(jie)合(he)的(de)(de)方法(fa)很多,下面(mian)介紹一(yi)種簡單實(shi)用的(de)(de)做法(fa):末(mo)(mo)端切(qie)換(huan)(huan)系(xi)統(tong)。我們知道(dao),無論是背景音樂(le)還是客房音響,都是把(ba)信號送至揚(yang)聲器,并在揚(yang)聲器前端加上音量控(kong)(kong)(kong)制(zhi)(zhi)開關。為了(le)使緊(jin)急(ji)廣(guang)播(bo)不受(shou)(shou)音量開關的(de)(de)控(kong)(kong)(kong)制(zhi)(zhi),現在火災(zai)(zai)報警(jing)控(kong)(kong)(kong)制(zhi)(zhi)系(xi)統(tong)都提供一(yi)種帶地址編碼的(de)(de)切(qie)換(huan)(huan)模(mo)塊(kuai),此(ci)切(qie)換(huan)(huan)模(mo)塊(kuai)在正常情(qing)況(kuang)下,接(jie)通服(fu)務(wu)性廣(guang)播(bo),一(yi)旦有(you)緊(jin)急(ji)情(qing)況(kuang),馬上能由(you)火災(zai)(zai)報警(jing)控(kong)(kong)(kong)制(zhi)(zhi)室(shi)強制(zhi)(zhi)切(qie)換(huan)(huan)到緊(jin)急(ji)廣(guang)播(bo)狀態。并可(ke)根(gen)據火災(zai)(zai)事故(gu)情(qing)況(kuang),指(zhi)揮事故(gu)層(ceng)的(de)(de)上兩層(ceng)及下一(yi)層(ceng)人(ren)員疏散。由(you)于這(zhe)種系(xi)統(tong)的(de)(de)信號是在末(mo)(mo)端切(qie)換(huan)(huan)的(de)(de),所以稱之為末(mo)(mo)端切(qie)換(huan)(huan)系(xi)統(tong)。需(xu)要(yao)指(zhi)出的(de)(de)是,切(qie)換(huan)(huan)模(mo)塊(kuai)必須在音量控(kong)(kong)(kong)制(zhi)(zhi)開關之后(hou),才能保證火災(zai)(zai)事故(gu)廣(guang)播(bo)的(de)(de)最高優(you)先權不受(shou)(shou)音量開關的(de)(de)控(kong)(kong)(kong)制(zhi)(zhi)。這(zhe)種系(xi)統(tong)的(de)(de)工作原理如下圖:

酒店賓館公共廣播系統,音晌前端室的布置與設計

酒店賓館(guan)的音(yin)響(xiang)控制室(shi)(shi)一般(ban)均與有線電(dian)視前(qian)端機(ji)(ji)房合用。這是因為他們(men)工作時間和服務對象(xiang)差不多,合在(zai)一起,可(ke)以減少管(guan)理(li)人員,提高效率(lv)。大型音(yin)響(xiang)系統的前(qian)端一般(ban)設有:機(ji)(ji)房控制室(shi)(shi)、錄播室(shi)(shi)、資料室(shi)(shi)、辦公(gong)室(shi)(shi)等。每間面(mian)積一般(ban)可(ke)控制在(zai)20m2左右。機(ji)(ji)房控制室(shi)(shi)的設備布置應符合下(xia)列(lie)要求:

柜(ju)前凈距不(bu)小(xiao)于1.5m,柜(ju)側與(yu)墻、柜(ju)和(he)柜(ju)背與(yu)墻的凈距不(bu)應小(xiao)于0.8m,柜(ju)側要維護時(shi)柜(ju)間距離不(bu)應小(xiao)于1m。

音晌系統的線路敷設

酒(jiu)店賓館(guan)一般(ban)均(jun)有弱電豎井,為(wei)了減少每(mei)套節(jie)目(mu)的相互(hu)干擾(rao)和每(mei)套節(jie)目(mu)間的相互(hu)干擾(rao),每(mei)套節(jie)目(mu)出線分(fen)別穿(chuan)(chuan)鋼管(guan)沿弱電豎井敷設。干線一般(ban)采(cai)用ZR-BV-500 2.5mm2或4mm2導線,每(mei)層支線一般(ban)選用ZR-BV-500 1.5mm2導線穿(chuan)(chuan)鋼管(guan)沿吊頂內暗(an)敷。

音晌系統的供電與接地

酒店賓館(guan)的電(dian)(dian)源(yuan)供電(dian)(dian)系統均有雙(shuang)(shuang)電(dian)(dian)源(yuan)供電(dian)(dian),因此,在音(yin)響(xiang)控(kong)制室設一配電(dian)(dian)箱,此配電(dian)(dian)箱由雙(shuang)(shuang)路電(dian)(dian)源(yuan)供電(dian)(dian),末端互技,以保證音(yin)響(xiang)控(kong)制室的供電(dian)(dian)。另外,一般均設有穩(wen)壓電(dian)(dian)源(yuan)裝置(zhi)(zhi)及(ji)不間斷電(dian)(dian)源(yuan)裝置(zhi)(zhi),從而更好地保證供電(dian)(dian)可靠性及(ji)電(dian)(dian)能質量(liang)。

廣播控(kong)制室應設置保護(hu)接地(di)(di)(di)和(he)工(gong)(gong)作接地(di)(di)(di)。為(wei)(wei)減少供電(dian)(dian)系(xi)統(tong)(tong)對廣播音頻系(xi)統(tong)(tong)的(de)影響,保護(hu)接地(di)(di)(di)和(he)工(gong)(gong)作接地(di)(di)(di)應分(fen)開設置。推薦(jian)一(yi)種做法是在(zai)弱(ruo)電(dian)(dian)豎井和(he)強電(dian)(dian)豎井內各敷設一(yi)根40×4的(de)銅帶分(fen)別作為(wei)(wei)弱(ruo)電(dian)(dian)系(xi)統(tong)(tong)的(de)工(gong)(gong)作接地(di)(di)(di)和(he)強電(dian)(dian)系(xi)統(tong)(tong)的(de)保護(hu)接地(di)(di)(di)。這種接地(di)(di)(di)在(zai)接入大地(di)(di)(di)時是一(yi)點(dian)接地(di)(di)(di),總接地(di)(di)(di)電(dian)(dian)阻不得大于1Ω。這樣,就可使弱(ruo)電(dian)(dian)系(xi)統(tong)(tong)更好地(di)(di)(di)工(gong)(gong)作。

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2017 - 03 - 29
1.功(gong)能(neng)及設備(bei)(bei)(bei)要(yao)求KTV現已是(shi)(shi)當下中國(guo)最流(liu)行(xing)的(de)(de)(de)(de)娛(yu)樂產業,尤其是(shi)(shi)近幾年KTV這種(zhong)娛(yu)樂方式已成為(wei)了年輕人消遣(qian)娛(yu)樂的(de)(de)(de)(de)首要(yao)選(xuan)擇。人們去KTV娛(yu)樂,一方面(mian)是(shi)(shi)尋求快樂,另(ling)一方面(mian)是(shi)(shi)為(wei)了滿足(zu)自(zi)己(ji)當歌(ge)星的(de)(de)(de)(de)夢想,所以KTV里(li)擁(yong)有(you)(you)一套(tao)好的(de)(de)(de)(de)音響(xiang)系(xi)(xi)統(tong)(tong)(tong)(tong)是(shi)(shi)十分重要(yao)的(de)(de)(de)(de)。KTV音響(xiang)設備(bei)(bei)(bei)應(ying)(ying)該(gai)能(neng)滿足(zu)連續24小時使(shi)用(yong)要(yao)求,并且揚(yang)聲器(qi)應(ying)(ying)具備(bei)(bei)(bei)充(chong)足(zu)的(de)(de)(de)(de)冗余功(gong)率儲備(bei)(bei)(bei),避(bi)免出現過(guo)多(duo)失真使(shi)人產生聽覺不(bu)悅(yue)感。系(xi)(xi)統(tong)(tong)(tong)(tong)應(ying)(ying)滿足(zu)當前(qian)的(de)(de)(de)(de)主流(liu)VOD點(dian)歌(ge)機內的(de)(de)(de)(de)諸多(duo)節目,如(ru):電影欣賞、勁歌(ge)勁舞(wu)等(deng)對系(xi)(xi)統(tong)(tong)(tong)(tong)動態(tai)要(yao)求較(jiao)高的(de)(de)(de)(de)節目。KTV音響(xiang)系(xi)(xi)統(tong)(tong)(tong)(tong)應(ying)(ying)具備(bei)(bei)(bei)平直(zhi)的(de)(de)(de)(de)頻(pin)響(xiang)特性,以減少反饋帶來(lai)(lai)系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)(de)(de)風險。2.產品選(xuan)型及使(shi)用(yong)建議(yi)一般來(lai)(lai)說,在(zai)VOD軟件方面(mian)我們選(xuan)用(yong)禮光、雷石(shi)、視(shi)易等(deng)電腦點(dian)歌(ge)系(xi)(xi)統(tong)(tong)(tong)(tong)作為(wei)KTV系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)(de)(de)核心,當前(qian)的(de)(de)(de)(de)點(dian)歌(ge)系(xi)(xi)統(tong)(tong)(tong)(tong)具有(you)(you)大容量、多(duo)種(zhong)類、數(shu)字(zi)化、智能(neng)化等(deng)特點(dian),需要(yao)音頻(pin)系(xi)(xi)統(tong)(tong)(tong)(tong)具有(you)(you)靈活多(duo)變的(de)(de)(de)(de)使(shi)用(yong)特性來(lai)(lai)適應(ying)(ying)不(bu)同的(de)(de)(de)(de)風格的(de)(de)(de)(de)聲音如(ru)JBL RM系(xi)(xi)列【RM8、RM101、RM10II、RM12、R...
2014 - 07 - 01
項目(mu)需求(qiu)n每個(ge)樓作(zuo)為(wei)一(yi)個(ge)小的(de)(de)(de)(de)分(fen)(fen)區(qu),可(ke)(ke)以在(zai)廣(guang)(guang)(guang)播中心(xin)將所有樓任意組(zu)合或(huo)整體控(kong)(kong)(kong)制。定(ding)時上(shang)、下課鈴(ling)聲(sheng)。n校(xiao)(xiao)園內的(de)(de)(de)(de)背景音(yin)(yin)樂(le)(le)(le)部分(fen)(fen)分(fen)(fen)為(wei)固(gu)定(ding)的(de)(de)(de)(de)幾個(ge)分(fen)(fen)區(qu),可(ke)(ke)以同(tong)時收聽同(tong)一(yi)音(yin)(yin)源(yuan),也(ye)可(ke)(ke)分(fen)(fen)別廣(guang)(guang)(guang)播。n采用網(wang)絡(luo)化(hua)廣(guang)(guang)(guang)播系統(tong)(tong),利用現(xian)有局域(yu)網(wang)并實(shi)現(xian)多網(wang)合一(yi),減少施工(gong)布線(xian)(xian)。全(quan)數字化(hua)傳輸,覆蓋整個(ge)校(xiao)(xiao)區(qu)。n突破傳統(tong)(tong)公共廣(guang)(guang)(guang)播只(zhi)能(neng)下傳和(he)只(zhi)能(neng)由(you)機房集中控(kong)(kong)(kong)制的(de)(de)(de)(de)格局,具有互動功(gong)能(neng),終(zhong)端具有點(dian)播和(he)控(kong)(kong)(kong)制及(ji)無線(xian)(xian)遙控(kong)(kong)(kong)功(gong)能(neng)。n根據學(xue)(xue)(xue)校(xiao)(xiao)的(de)(de)(de)(de)要(yao)(yao)求(qiu),為(wei)了滿足不(bu)同(tong)的(de)(de)(de)(de)科系的(de)(de)(de)(de)不(bu)同(tong)要(yao)(yao)求(qiu),系統(tong)(tong)至少可(ke)(ke)以傳送(song)20套及(ji)以上(shang)音(yin)(yin)源(yuan),可(ke)(ke)設置(zhi)至少8個(ge)以上(shang)的(de)(de)(de)(de)分(fen)(fen)控(kong)(kong)(kong)中心(xin)(分(fen)(fen)控(kong)(kong)(kong)的(de)(de)(de)(de)權(quan)(quan)限(xian)可(ke)(ke)由(you)主控(kong)(kong)(kong)授權(quan)(quan))。實(shi)現(xian)功(gong)能(neng)1、同(tong)時播放(fang)不(bu)同(tong)的(de)(de)(de)(de)音(yin)(yin)源(yuan)校(xiao)(xiao)園公共廣(guang)(guang)(guang)播如學(xue)(xue)(xue)校(xiao)(xiao)不(bu)同(tong)的(de)(de)(de)(de)科、系,在(zai)播放(fang)音(yin)(yin)樂(le)(le)(le)及(ji)相關教(jiao)(jiao)學(xue)(xue)(xue)內容,可(ke)(ke)針對不(bu)同(tong)的(de)(de)(de)(de)科或(huo)系播放(fang)相應(ying)的(de)(de)(de)(de)題材等。教(jiao)(jiao)學(xue)(xue)(xue)的(de)(de)(de)(de)音(yin)(yin)樂(le)(le)(le)鈴(ling)聲(sheng),內外分(fen)(fen)區(qu)播放(fang), 全(quan)校(xiao)(xiao)的(de)(de)(de)(de)背景音(yin)(yin)樂(le)(le)(le)可(ke)(ke)以分(fen)(fen)區(qu)或(huo)全(quan)區(qu)播放(fang),可(ke)(ke)以靈(ling)活自行設置(zhi)要(yao)(yao)播放(fang)的(de)(de)(de)(de)區(qu)域(yu)。2、教(jiao)(jiao)師工(gong)作(zuo)站(zhan)(制作(zuo)教(jiao)(jiao)學(xue)(xue)(xue)題材)無需到主控(kong)(kong)(kong)室,教(jiao)(jiao)師可(ke)(ke)通過工(gong)作(zuo)站(zhan)軟(ruan)件,即可(ke)(ke)提交...
2014 - 07 - 01
設(she)計(ji)原則(ze)針對該工(gong)程(cheng)的(de)(de)(de)(de)(de)(de)(de)音視頻(pin)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)設(she)計(ji)的(de)(de)(de)(de)(de)(de)(de)主要(yao)任務:高性(xing)(xing)能(neng)(neng)和(he)多(duo)功(gong)能(neng)(neng),我們在(zai)(zai)(zai)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)設(she)計(ji)時遵守(shou)以下(xia)原則(ze)。1、音視頻(pin)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)在(zai)(zai)(zai)設(she)計(ji)時嚴格遵守(shou)有(you)關標準(zhun);2、結(jie)合各(ge)廳系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)不(bu)(bu)同(tong)使(shi)用(yong)(yong)狀(zhuang)況(kuang),設(she)計(ji)不(bu)(bu)同(tong)功(gong)能(neng)(neng)定位的(de)(de)(de)(de)(de)(de)(de)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong);3、設(she)計(ji)時確保系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)為(wei)會議提供便捷、可(ke)靠(kao)、高質(zhi)量的(de)(de)(de)(de)(de)(de)(de)服(fu)務;4、系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)控制設(she)備(bei)(bei)盡(jin)量集成化(hua),降低外(wai)圍(wei)設(she)備(bei)(bei)的(de)(de)(de)(de)(de)(de)(de)操作難度(du);5、盡(jin)量選擇(ze)音質(zhi)純凈(jing)、清晰、性(xing)(xing)能(neng)(neng)穩定的(de)(de)(de)(de)(de)(de)(de)擴(kuo)聲設(she)備(bei)(bei);6、考慮系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)功(gong)能(neng)(neng)時要(yao)盡(jin)量選擇(ze)能(neng)(neng)夠開發(fa)潛在(zai)(zai)(zai)功(gong)能(neng)(neng)的(de)(de)(de)(de)(de)(de)(de)設(she)備(bei)(bei);7、特別考慮設(she)備(bei)(bei)的(de)(de)(de)(de)(de)(de)(de)安裝(zhuang)問題(ti),避免對裝(zhuang)飾(shi)、結(jie)構的(de)(de)(de)(de)(de)(de)(de)苛刻要(yao)求;8、根據設(she)備(bei)(bei)功(gong)能(neng)(neng)擴(kuo)展的(de)(de)(de)(de)(de)(de)(de)情況(kuang),為(wei)系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)預留(liu)各(ge)種(zhong)接口和(he)線(xian)纜。先(xian)進性(xing)(xing)本系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)選用(yong)(yong)先(xian)進、實(shi)用(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)技(ji)術(shu)(shu)和(he)功(gong)能(neng)(neng)完善的(de)(de)(de)(de)(de)(de)(de)產品,一流(liu)的(de)(de)(de)(de)(de)(de)(de)設(she)備(bei)(bei),在(zai)(zai)(zai)技(ji)術(shu)(shu)上適(shi)度(du)超前,整(zheng)個系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)體(ti)現當今(jin)(jin)多(duo)媒(mei)體(ti)技(ji)術(shu)(shu)的(de)(de)(de)(de)(de)(de)(de)發(fa)展水平(ping),符(fu)合今(jin)(jin)后的(de)(de)(de)(de)(de)(de)(de)發(fa)展趨勢。在(zai)(zai)(zai)今(jin)(jin)后相當長的(de)(de)(de)(de)(de)(de)(de)一段時間內可(ke)保持其技(ji)術(shu)(shu)的(de)(de)(de)(de)(de)(de)(de)領先(xian)地位。成熟性(xing)(xing)與(yu)實(shi)用(yong)(yong)性(xing)(xing)各(ge)子系(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)應采用(yong)(yong)先(xian)進的(de)(de)(de)(de)(de)(de)(de),已使(shi)用(yong)(yong)過并被證明(ming)是成熟可(ke)靠(kao)的(de)(de)(de)(de)(de)(de)(de)產品,同(tong)時具有(you)實(shi)用(yong)(yong)性(xing)(xing),充分發(fa)揮每(mei)一種(zhong)設(she)備(bei)(bei)的(de)(de)(de)(de)(de)(de)(de)功(gong)能(neng)(neng)和(he)...
2017 - 04 - 28
一、系(xi)統(tong)(tong)(tong)概(gai)述:隨著現(xian)代(dai)化(hua)(hua)(hua)教(jiao)(jiao)學(xue)系(xi)統(tong)(tong)(tong)在(zai)各學(xue)校的(de)(de)不(bu)斷(duan)推進,傳(chuan)統(tong)(tong)(tong)的(de)(de)方式(shi)已經不(bu)適應現(xian)代(dai)化(hua)(hua)(hua)的(de)(de)需要,集多(duo)(duo)(duo)功能教(jiao)(jiao)室系(xi)統(tong)(tong)(tong)、多(duo)(duo)(duo)媒(mei)體教(jiao)(jiao)學(xue)系(xi)統(tong)(tong)(tong)、演播(bo)系(xi)統(tong)(tong)(tong)于(yu)一體的(de)(de)新(xin)型現(xian)代(dai)化(hua)(hua)(hua)教(jiao)(jiao)育(yu)(yu)(yu)體系(xi)在(zai)教(jiao)(jiao)育(yu)(yu)(yu)行(xing)(xing)業得到了(le)日益廣泛的(de)(de)運用。作為(wei)一種新(xin)型的(de)(de)教(jiao)(jiao)育(yu)(yu)(yu)形式(shi)和(he)(he)(he)現(xian)代(dai)化(hua)(hua)(hua)教(jiao)(jiao)學(xue)手段,多(duo)(duo)(duo)媒(mei)體技術給教(jiao)(jiao)育(yu)(yu)(yu)行(xing)(xing)業帶來(lai)了(le)新(xin)的(de)(de)機(ji)遇。二、學(xue)校教(jiao)(jiao)學(xue)需求:為(wei)了(le)擺脫(tuo)“粉筆、教(jiao)(jiao)鞭和(he)(he)(he)紙(zhi)張”固有(you)模式(shi)的(de)(de)傳(chuan)統(tong)(tong)(tong)教(jiao)(jiao)育(yu)(yu)(yu)體系(xi)影響到時(shi)間和(he)(he)(he)空(kong)間的(de)(de)極大限制,整(zheng)個系(xi)統(tong)(tong)(tong)要高效(xiao)率的(de)(de)完成教(jiao)(jiao)學(xue)任務,結(jie)合各個系(xi)統(tong)(tong)(tong),充分發揮各個系(xi)統(tong)(tong)(tong)的(de)(de)功能,實現(xian)現(xian)代(dai)化(hua)(hua)(hua)的(de)(de)教(jiao)(jiao)學(xue)。1、 多(duo)(duo)(duo)媒(mei)體顯(xian)(xian)示系(xi)統(tong)(tong)(tong):現(xian)在(zai)的(de)(de)多(duo)(duo)(duo)媒(mei)體會議顯(xian)(xian)示設(she)(she)備包(bao)括電視接收機(ji)、液晶顯(xian)(xian)示屏、LCD液晶投影機(ji)和(he)(he)(he)DLP數碼投影機(ji)等。通過多(duo)(duo)(duo)媒(mei)體顯(xian)(xian)示設(she)(she)備可(ke)更直(zhi)觀地向與會者提(ti)供各種數字、文字和(he)(he)(he)圖像(xiang)資料等,也可(ke)根據需要實時(shi)顯(xian)(xian)示會議過程(cheng)中的(de)(de)相關信息。信號源可(ke)以(yi)是(shi)錄像(xiang)帶、電腦(nao)和(he)(he)(he)影碟機(ji)信號,也可(ke)以(yi)是(shi)來(lai)自于(yu)會場的(de)(de)攝(she)像(xiang)機(ji)信號或硬(ying)盤錄像(xiang)機(ji)信號。這些信號通過中央控制設(she)(she)備的(de)(de)視頻分配,進行(xing)(xing)切換輸...
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