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“學校音(yin)樂廳(ting)音(yin)視(shi)頻系統”解(jie)決方案(an)

日期: 2018-03-29
瀏覽次(ci)數: 760

“學校音樂廳音視頻系統”解決方案

1、工程概況:

學(xue)(xue)校音樂廳(ting)(ting)音視頻系統工(gong)程。該(gai)學(xue)(xue)校音樂廳(ting)(ting)為多(duo)功能(neng)廳(ting)(ting),設計(ji)定位為實用(yong)、多(duo)功能(neng)廳(ting)(ting)堂。用(yong)于舉辦各種重要會議、報告、小型演出等。

設(she)計范圍:

音視頻系統(tong)主要由以下幾個子系統(tong)組成(cheng):

1) 音(yin)響系(xi)統

2) 舞臺(tai)燈光

音響系統需求:

本(ben)系(xi)統采用(yong)TENDZONE數字音頻(pin)(pin)處理器和(he)(he)BEHRINGER調(diao)音臺相(xiang)結合的(de)方式根據不同的(de)使(shi)用(yong)模式可以自由調(diao)整設備的(de)組合來達到不同的(de)效(xiao)果。使(shi)用(yong)過程簡(jian)單(dan),不需要專業音響人員來操(cao)(cao)作(zuo)。所有操(cao)(cao)作(zuo)模式都預(yu)先調(diao)試完成,編制(zhi)在(zai)調(diao)音臺及音頻(pin)(pin)處理器里(li)。使(shi)用(yong)的(de)時候大(da)大(da)簡(jian)便了操(cao)(cao)作(zuo)人員的(de)工作(zuo)量,且(qie)使(shi)用(yong)簡(jian)單(dan),不容(rong)易出現操(cao)(cao)作(zuo)失誤,保證了使(shi)用(yong)時的(de)可靠性和(he)(he)便捷性。

舞臺燈光系統(tong)需求:

本(ben)系(xi)統(tong)能滿足各(ge)種(zhong)重(zhong)要會議(yi)、學術(shu)交流(liu)、放映以(yi)及(ji)各(ge)種(zhong)活動。在會議(yi)時,能夠對與會者提供完善的(de)光源環境;在活動時,能夠烘托整個(ge)舞臺的(de)氣氛,有(you)豐富的(de)色彩變換(huan)

2、設計概述:

音頻擴聲(sheng)系(xi)統(tong)(tong)(tong)(tong)的(de)設計是(shi)基于(yu)滿足進(jin)(jin)行會議活動、學術(shu)報(bao)告順利并高質量的(de)進(jin)(jin)行而服務的(de)。此會議室音頻擴聲(sheng)系(xi)統(tong)(tong)(tong)(tong)要進(jin)(jin)行語言(yan)、音樂等其它影音資料音頻信(xin)號的(de)重(zhong)播(bo),在(zai)設計時(shi)重(zhong)點考慮揚(yang)聲(sheng)器的(de)分布(bu)以及聲(sheng)壓(ya)覆蓋的(de)均勻,系(xi)統(tong)(tong)(tong)(tong)的(de)互相(xiang)信(xin)號的(de)交流(liu)。做(zuo)到各種(zhong)音頻信(xin)號重(zhong)播(bo)清晰而不混濁(zhuo)。隨著數字(zi)技術(shu)的(de)發(fa)展(zhan),我(wo)們將傳統(tong)(tong)(tong)(tong)的(de)技術(shu)與先進(jin)(jin)的(de)數字(zi)技術(shu)結合起來,充分利用(yong)具有代表性的(de)核心數字(zi)產品,使(shi)得(de)整個擴聲(sheng)系(xi)統(tong)(tong)(tong)(tong)融為一體,而真(zhen)正營(ying)造出操作使(shi)用(yong)方便,性能(neng)先進(jin)(jin)穩定(ding)的(de)科學的(de)音頻系(xi)統(tong)(tong)(tong)(tong)。

3、設計依據:

根(gen)據國(guo)家(jia)JG GYJ125《廳堂擴(kuo)聲系(xi)(xi)統的聲學特性(xing)指(zhi)標(biao)要求》擴(kuo)聲系(xi)(xi)統聲學特性(xing)指(zhi)標(biao)語言和音樂兼用擴(kuo)聲系(xi)(xi)統一級標(biao)準,在空場穩態準峰值狀(zhuang)態下:

在空場穩態準峰值的最大聲(sheng)壓級為――0.25~4.0kHz范圍(wei)內平(ping)均聲(sheng)壓級≥95dB;

傳輸頻(pin)率特性(xing)――0.1~6.3kHz以0.25~4.0kHz的(de)平均聲(sheng)壓級(ji)為0dB,允(yun)許+4~-10dB,且在(zai)0.25~4.0kHz內(nei)允(yun)許+4~-6dB;

傳聲增益(dB)――0.25~4.0kHz的平(ping)均(jun)值≥-8dB;

聲場不均允度(0dB)――1.0/4.0kHz≤8dB;

總噪聲級dB(A):35失真度:7%a.


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設(she)(she)(she)計原則(ze)針對該(gai)工程的(de)(de)(de)(de)(de)音(yin)視頻系(xi)統(tong)(tong)(tong)(tong)設(she)(she)(she)計的(de)(de)(de)(de)(de)主要(yao)任務(wu):高性(xing)(xing)(xing)能(neng)(neng)(neng)和多(duo)功(gong)(gong)能(neng)(neng)(neng),我們在(zai)(zai)系(xi)統(tong)(tong)(tong)(tong)設(she)(she)(she)計時遵(zun)守以下原則(ze)。1、音(yin)視頻系(xi)統(tong)(tong)(tong)(tong)在(zai)(zai)設(she)(she)(she)計時嚴格遵(zun)守有關標(biao)準;2、結(jie)合各(ge)(ge)廳系(xi)統(tong)(tong)(tong)(tong)不(bu)(bu)同(tong)使用(yong)(yong)狀況,設(she)(she)(she)計不(bu)(bu)同(tong)功(gong)(gong)能(neng)(neng)(neng)定位(wei)的(de)(de)(de)(de)(de)系(xi)統(tong)(tong)(tong)(tong);3、設(she)(she)(she)計時確保(bao)系(xi)統(tong)(tong)(tong)(tong)為會議提供便捷、可(ke)靠(kao)、高質量(liang)的(de)(de)(de)(de)(de)服務(wu);4、系(xi)統(tong)(tong)(tong)(tong)控制設(she)(she)(she)備(bei)(bei)(bei)(bei)盡量(liang)集成(cheng)(cheng)化,降低(di)外圍設(she)(she)(she)備(bei)(bei)(bei)(bei)的(de)(de)(de)(de)(de)操作難度(du);5、盡量(liang)選(xuan)擇(ze)音(yin)質純(chun)凈、清晰、性(xing)(xing)(xing)能(neng)(neng)(neng)穩定的(de)(de)(de)(de)(de)擴(kuo)聲設(she)(she)(she)備(bei)(bei)(bei)(bei);6、考(kao)慮(lv)系(xi)統(tong)(tong)(tong)(tong)功(gong)(gong)能(neng)(neng)(neng)時要(yao)盡量(liang)選(xuan)擇(ze)能(neng)(neng)(neng)夠開發(fa)(fa)潛在(zai)(zai)功(gong)(gong)能(neng)(neng)(neng)的(de)(de)(de)(de)(de)設(she)(she)(she)備(bei)(bei)(bei)(bei);7、特(te)別考(kao)慮(lv)設(she)(she)(she)備(bei)(bei)(bei)(bei)的(de)(de)(de)(de)(de)安裝(zhuang)問題,避免對裝(zhuang)飾、結(jie)構的(de)(de)(de)(de)(de)苛(ke)刻(ke)要(yao)求;8、根據設(she)(she)(she)備(bei)(bei)(bei)(bei)功(gong)(gong)能(neng)(neng)(neng)擴(kuo)展(zhan)的(de)(de)(de)(de)(de)情(qing)況,為系(xi)統(tong)(tong)(tong)(tong)預(yu)留各(ge)(ge)種接口和線纜。先進性(xing)(xing)(xing)本系(xi)統(tong)(tong)(tong)(tong)選(xuan)用(yong)(yong)先進、實用(yong)(yong)的(de)(de)(de)(de)(de)技(ji)(ji)術(shu)和功(gong)(gong)能(neng)(neng)(neng)完善的(de)(de)(de)(de)(de)產品(pin),一(yi)流的(de)(de)(de)(de)(de)設(she)(she)(she)備(bei)(bei)(bei)(bei),在(zai)(zai)技(ji)(ji)術(shu)上適度(du)超前,整個系(xi)統(tong)(tong)(tong)(tong)體(ti)現當今多(duo)媒體(ti)技(ji)(ji)術(shu)的(de)(de)(de)(de)(de)發(fa)(fa)展(zhan)水(shui)平,符合今后的(de)(de)(de)(de)(de)發(fa)(fa)展(zhan)趨(qu)勢。在(zai)(zai)今后相當長(chang)的(de)(de)(de)(de)(de)一(yi)段時間內可(ke)保(bao)持其技(ji)(ji)術(shu)的(de)(de)(de)(de)(de)領先地位(wei)。成(cheng)(cheng)熟性(xing)(xing)(xing)與實用(yong)(yong)性(xing)(xing)(xing)各(ge)(ge)子系(xi)統(tong)(tong)(tong)(tong)應采(cai)用(yong)(yong)先進的(de)(de)(de)(de)(de),已使用(yong)(yong)過并被證明是成(cheng)(cheng)熟可(ke)靠(kao)的(de)(de)(de)(de)(de)產品(pin),同(tong)時具(ju)有實用(yong)(yong)性(xing)(xing)(xing),充(chong)分發(fa)(fa)揮每一(yi)種設(she)(she)(she)備(bei)(bei)(bei)(bei)的(de)(de)(de)(de)(de)功(gong)(gong)能(neng)(neng)(neng)和...
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一、系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)概述:隨(sui)著現(xian)(xian)代(dai)(dai)化(hua)教(jiao)(jiao)學(xue)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)在各學(xue)校的(de)(de)(de)(de)(de)不(bu)(bu)斷推進,傳(chuan)統(tong)(tong)(tong)的(de)(de)(de)(de)(de)方(fang)式已經不(bu)(bu)適應現(xian)(xian)代(dai)(dai)化(hua)的(de)(de)(de)(de)(de)需要,集多(duo)功(gong)能教(jiao)(jiao)室系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)、多(duo)媒體(ti)(ti)(ti)教(jiao)(jiao)學(xue)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)、演(yan)播系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)于一體(ti)(ti)(ti)的(de)(de)(de)(de)(de)新型(xing)現(xian)(xian)代(dai)(dai)化(hua)教(jiao)(jiao)育體(ti)(ti)(ti)系(xi)(xi)(xi)(xi)(xi)在教(jiao)(jiao)育行(xing)(xing)業(ye)得到了(le)日(ri)益(yi)廣泛(fan)的(de)(de)(de)(de)(de)運用。作為(wei)一種(zhong)新型(xing)的(de)(de)(de)(de)(de)教(jiao)(jiao)育形式和現(xian)(xian)代(dai)(dai)化(hua)教(jiao)(jiao)學(xue)手段,多(duo)媒體(ti)(ti)(ti)技術給教(jiao)(jiao)育行(xing)(xing)業(ye)帶來(lai)了(le)新的(de)(de)(de)(de)(de)機(ji)(ji)遇。二、學(xue)校教(jiao)(jiao)學(xue)需求(qiu):為(wei)了(le)擺脫“粉筆、教(jiao)(jiao)鞭(bian)和紙(zhi)張”固有模(mo)式的(de)(de)(de)(de)(de)傳(chuan)統(tong)(tong)(tong)教(jiao)(jiao)育體(ti)(ti)(ti)系(xi)(xi)(xi)(xi)(xi)影(ying)(ying)響到時(shi)間和空間的(de)(de)(de)(de)(de)極大(da)限制,整個(ge)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)要高效率的(de)(de)(de)(de)(de)完成(cheng)教(jiao)(jiao)學(xue)任務,結合各個(ge)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong),充分(fen)發揮(hui)各個(ge)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)的(de)(de)(de)(de)(de)功(gong)能,實現(xian)(xian)現(xian)(xian)代(dai)(dai)化(hua)的(de)(de)(de)(de)(de)教(jiao)(jiao)學(xue)。1、 多(duo)媒體(ti)(ti)(ti)顯(xian)示(shi)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong):現(xian)(xian)在的(de)(de)(de)(de)(de)多(duo)媒體(ti)(ti)(ti)會議顯(xian)示(shi)設(she)備包括電視接(jie)收機(ji)(ji)、液(ye)晶(jing)(jing)顯(xian)示(shi)屏、LCD液(ye)晶(jing)(jing)投(tou)影(ying)(ying)機(ji)(ji)和DLP數碼投(tou)影(ying)(ying)機(ji)(ji)等。通過(guo)多(duo)媒體(ti)(ti)(ti)顯(xian)示(shi)設(she)備可(ke)更(geng)直觀地(di)向與會者提供各種(zhong)數字、文(wen)字和圖像(xiang)資料等,也可(ke)根(gen)據需要實時(shi)顯(xian)示(shi)會議過(guo)程中的(de)(de)(de)(de)(de)相關信(xin)息(xi)。信(xin)號(hao)源(yuan)可(ke)以(yi)是(shi)(shi)錄像(xiang)帶、電腦和影(ying)(ying)碟機(ji)(ji)信(xin)號(hao),也可(ke)以(yi)是(shi)(shi)來(lai)自于會場的(de)(de)(de)(de)(de)攝像(xiang)機(ji)(ji)信(xin)號(hao)或硬盤錄像(xiang)機(ji)(ji)信(xin)號(hao)。這些(xie)信(xin)號(hao)通過(guo)中央控制設(she)備的(de)(de)(de)(de)(de)視頻分(fen)配,進行(xing)(xing)切換輸(shu)...
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