擴聲係統的效果和什麼因素有關
來源:本站作者:國力電子 日期:2019-10-12 瀏覽:
我們的音響業近十年來發展變化非常大,無論是民用發燒音響到AV熱,還是專業的卡拉OK、迪斯科舞廳到現在的多媒體報告會議廳。從消費來講,無論是集團還是個人,音響已成為人們生活、工(gong)作(zuo)中(zhong)不(bu)可(ke)缺(que)少(shao)的(de)一(yi)部(bu)分(fen),並(bing)成(cheng)為(wei)了(le)一(yi)種(zhong)時(shi)尚(shang),這(zhe)是(shi)可(ke)喜(xi)的(de)一(yi)麵(mian)。應(ying)該(gai)看(kan)到(dao),隨(sui)著(zhe)人(ren)們(men)認(ren)識(shi)的(de)不(bu)斷(duan)提(ti)高(gao),產(chan)品(pin)的(de)競(jing)爭(zheng)日(ri)趨(qu)激(ji)烈(lie)。特(te)別(bie)在(zai)這(zhe)世(shi)紀(ji)之(zhi)交(jiao)的(de)時(shi)候(hou),政(zheng)府(fu)也(ye)加(jia)快(kuai)了(le)進(jin)入(ru)WTO的de步bu伐fa。雖sui然ran,這zhe是shi一yi個ge嚴yan峻jun的de挑tiao戰zhan,但dan更geng是shi一yi個ge機ji遇yu。麵mian對dui國guo內nei外wai形xing形xing色se色se的de音yin響xiang產chan品pin,我wo們men廠chang家jia的de決jue策ce者zhe和he產chan品pin設she計ji人ren員yuan該gai怎zen樣yang麵mian對dui這zhe一yi局ju麵mian呢ne?在zai2000年nian到dao來lai之zhi際ji,對dui於yu長chang線xian戰zhan略lve投tou資zi者zhe來lai說shuo,重zhong新xin審shen視shi我wo們men的de發fa展zhan理li念nian是shi非fei常chang有you益yi的de。這zhe其qi中zhong方fang方fang麵mian麵mian的de可ke討tao論lun的de問wen題ti較jiao多duo,許xu多duo是shi和he企qi業ye的de實shi力li有you關guan,這zhe實shi力li包bao括kuo:資金、管理、技術開發和技術儲備、信息交流、銷xiao售shou網wang絡luo和he人ren際ji關guan係xi處chu理li等deng等deng,但dan最zui為wei關guan鍵jian的de還hai是shi產chan品pin自zi身shen的de品pin質zhi問wen題ti,好hao的de產chan品pin其qi附fu加jia值zhi就jiu高gao,企qi業ye自zi然ran就jiu具ju備bei生sheng命ming力li和he活huo力li。題ti材cai雖sui然ran可ke以yi炒chao作zuo,但dan價jia值zhi總zong有you回hui歸gui的de時shi候hou。高gao質zhi量liang的de音yin響xiang設she計ji離li不bu開kai基ji本ben技ji術shu理li論lun,更geng離li不bu開kai主zhu觀guan評ping價jia。畢bi竟jing這zhe種zhong特te殊shu的de商shang品pin最zui終zhong是shi和he人ren打da交jiao道dao,是shi用yong來lai表biao現xian藝yi術shu的de,主zhu觀guan評ping價jia的de結jie果guo可ke以yi直zhi接jie指zhi導dao產chan品pin的de設she計ji。因yin此ci,我wo們men首shou先xian探tan討tao一yi下xia主zhu觀guan評ping價jia的de內nei涵han。通tong過guo這zhe幾ji年nian看kan到dao的de和he曆li屆jie的de國guo產chan音yin響xiang器qi材cai大da展zhan所suo感gan受shou到dao的de,就jiu具ju體ti的de技ji術shu問wen題ti,尤you其qi在zai音yin響xiang(箱)的設計和聽音評價的關係上作一個初步的探討。
zhuguanpingjiabushiyinxiangteyoude,leqiyou,tongxunxitongyou,tingtangchangguanyeyou,dengdeng,qimudehefangfalveyoubutong。yibanlaijiang,yinxiangdezhongduanshiherendajiaodao,zaidabufenqingkuangxiayeshiyirenweiben,renheyigerendouyouquanliduitapingtoulunzu。danyangelaijiang,zhehaisuanbushangzhenzhengyiyishangdepingjia。jiuhaobiwobudongfuzhuang,zaixuanzedeshihou,woyexuzhiguanxinyanseheshiyang,danruguowoshiyigexingjia,haihuikaojiutademianliao,fengcaizhilianghezuogong,shifoushihewodegexingdengdeng。yangedezhuguanpingjiachengxuduitingyinhuanjing、聽音內容、聽音人、評價術語的使用及評分方式均有嚴格的定義和要求(當然,這是題外之話)。yushi,hengliangyigexitongdepinzhichulewulishangdegezhongcanshuceliangzhibiaowai,youzengjialezhuguanpingjiadefangfa。yinweikeguancelianghaibunengwanquanfanyingyigexitongdepinzhi。henjiuyilai,jishurenyuanchulezaixunzhaoxindekeguancanshuwai,yeyizhizaixunqiuzhezhongkeguanhezhuguandeduiyingguanxi。yihandeshi,zhidaoxianzairengmeiyoumingquedejielun。zhegewentinengfoujiejue,nashiyihoudeshi。jiumuqiandexianzhuanglaikan,guangyishuo,jibenwujie,danzaimouxietiaojiandexianzhixia,mouxiewentiyounengjiejue。ruqingxiduhekedongduwenti,yijiejuebingyongyuyinxianggongchengshejizhizhong。dangran,zheyeshixueshujietaolundeshi。danzheyiqiebuyingxiangwomenmuqiandezhuguanpingjia,buyingxiangwomenduichanpindezhuguanpingjiahoufanguolaiduichanpindeshejizhidaohexiuzhengsuoqidezuoyong。
那麼,怎樣認識和使用主觀評價呢?怎樣把主觀評價的結果用於評判、指導我們的音響設計呢?首先我們要係統地了解什麼是主觀評價的目的和特點、對主觀評價的認識和表達以及影響主觀評價的因素和主觀量的特征。簡單地講,主觀評價一般是用一些有代表性的節目源如音樂、自(zi)然(ran)聲(sheng)作(zuo)為(wei)重(zhong)放(fang)係(xi)統(tong)的(de)音(yin)源(yuan),在(zai)一(yi)定(ding)的(de)環(huan)境(jing)下(xia)經(jing)係(xi)統(tong)重(zhong)放(fang)並(bing)通(tong)過(guo)人(ren)的(de)感(gan)受(shou),用(yong)評(ping)價(jia)術(shu)語(yu)將(jiang)係(xi)統(tong)的(de)特(te)征(zheng)表(biao)示(shi)出(chu)來(lai)。和(he)客(ke)觀(guan)參(can)數(shu)的(de)測(ce)量(liang)相(xiang)比(bi),它(ta)的(de)嚴(yan)格(ge)性(xing)、一致性似乎得不到保證,但要注意的是聽音環境、節目源、周(zhou)邊(bian)設(she)備(bei)和(he)聽(ting)音(yin)人(ren)均(jun)屬(shu)於(yu)係(xi)統(tong)的(de)一(yi)個(ge)部(bu)分(fen)。與(yu)客(ke)觀(guan)測(ce)量(liang)一(yi)樣(yang),主(zhu)觀(guan)評(ping)價(jia)評(ping)的(de)是(shi)係(xi)統(tong)特(te)征(zheng),不(bu)是(shi)好(hao)壞(huai)與(yu)好(hao)聽(ting)不(bu)好(hao)聽(ting)。所(suo)以(yi)主(zhu)觀(guan)評(ping)價(jia)又(you)稱(cheng)主(zhu)觀(guan)音(yin)質(zhi)評(ping)價(jia)。這(zhe)裏(li)我(wo)們(men)慎(shen)重(zhong)的(de)引(yin)用(yong)了(le)“音質”,其意為聲音的品質,這是有別於 “音色”的(音色是指聲音的色彩,它是帶有個性化的東西)。因此,在主觀評價中,同一係統不同評價人得出的不同評價結果其差異來源於兩個方麵:一個是係統本身對不同節目源重放的特征差異;另ling一yi個ge是shi評ping價jia人ren自zi身shen的de感gan受shou差cha異yi。前qian者zhe是shi由you係xi統tong的de物wu理li特te征zheng所suo決jue定ding,是shi技ji術shu人ren員yuan所suo設she計ji的de,而er且qie是shi技ji術shu人ren員yuan想xiang要yao評ping判pan的de東dong西xi。而er後hou者zhe是shi由you不bu同tong人ren的de心xin理li和he生sheng理li感gan受shou造zao成cheng的de,並bing被bei賦fu予yu了le很hen強qiang烈lie的de個ge人ren色se彩cai。心xin靈ling的de弦xian,被bei聲sheng音yin激ji發fa後hou,形xing成cheng了le種zhong種zhong的de遐xia想xiang。這zhe就jiu是shi音yin響xiang係xi統tong的de設she計ji者zhe體ti現xian以yi人ren為wei本ben的de關guan鍵jian所suo在zai,這zhe也ye屬shu於yu音yin響xiang設she計ji的de一yi個ge方fang麵mian。有you多duo少shao設she計ji者zhe能neng做zuo到dao呢ne?應該說這種設計的依據之一是心理聲學的一些結論。建築聲學做到了,電子效果器、激(ji)勵(li)器(qi)做(zuo)到(dao)了(le),但(dan)做(zuo)的(de)是(shi)音(yin)色(se)控(kong)製(zhi),僅(jin)僅(jin)是(shi)對(dui)音(yin)色(se)控(kong)製(zhi)的(de)一(yi)種(zhong)工(gong)具(ju)。應(ying)該(gai)看(kan)到(dao),這(zhe)種(zhong)以(yi)人(ren)為(wei)本(ben)的(de)東(dong)西(xi)是(shi)變(bian)化(hua)的(de)。音(yin)響(xiang)係(xi)統(tong)的(de)一(yi)個(ge)重(zhong)要(yao)功(gong)能(neng)就(jiu)是(shi)重(zhong)放(fang)音(yin)樂(le)。這(zhe)種(zhong)美(mei)的(de)欣(xin)賞(shang)是(shi)和(he)時(shi)代(dai)、社會、文化、民族有關,又和個人的修養、生理、心理及人的那種與生俱來的和後天種種因素所熏染並被深深打上心靈烙印的喜、怒、哀、樂緊緊地聯係在一起。於是,真、善、美、悅耳、動聽才呈現在我們麵前。就好比世界上最好的一件樂器,法國人、德國人、meiguorendouyongtalaiyanzoutongyilequ,qigeiyurendeganshoushibutongde,shenzhitingdaotadexuanlvheyanzoufenggejiunengzhidaoshinageshidaihenaguorenyanzoude。qishizheshixinlingdeneirong,yuyinxiangxitongbenshenguanxibuda。zhengshiyouyuzhezhongxinlingganshoudechayi,yinxiangxitongdeshejirenxuyaozuodeyigejiqizhongyaodefangmianshikongzhiqiyinse。yexuzheshiyinxiangxitongshejidezuigaojingjie。zhengshizheyang,yinxiangxitongdenaxiepingjiashuyuchengxianzaiwomenmianqiandehaohuaizhifencaiyoulekebijiaodeyijuhebiaozhun。fenqingchulezhexiechayi,womenduizhuguanpingjiaderenshihebiaodacaiyouyiyi,cainenglejieyingxiangzhuguanpingjiadezhongzhongyinsu,cainenglijiezhuguanpingjialiangdexiangduixingyuanli,bingyunyongtaquzhidaowomendeyinxiangsheji,xiaofeizheyijutalaixuanzezijizhenzhengxihuandechanpin。yejiushizhezhongdiquheminzu、文化的差異,才出現了所謂的“美國聲”、“英國聲”、“德國聲”等deng等deng。其qi實shi,不bu管guan是shi有you意yi還hai是shi無wu意yi,那na是shi控kong製zhi音yin色se的de結jie果guo。特te別bie地di,音yin響xiang係xi統tong主zhu觀guan評ping價jia的de許xu多duo好hao壞huai之zhi別bie已yi經jing具ju有you了le新xin的de意yi義yi。透tou過guo主zhu觀guan評ping判pan的de因yin素su分fen析xi,某mou些xie設she計ji中zhong的de概gai念nian可ke能neng需xu要yao重zhong新xin認ren識shi和he開kai發fa利li用yong。比bi如ru說shuo,音yin箱xiang中zhong的de聲sheng染ran色se現xian象xiang一yi直zhi是shi設she計ji中zhong的de大da忌ji,染ran色se處chu理li不bu好hao會hui帶dai來lai一yi些xie難nan聽ting的de“箱音”聲。但是是否注意到,中低音的某些寬帶染色會帶來聽覺上的溫暖和豐滿感;中高音的某些染色會增加清晰度、cengciganheyueergan。yexuzhezhongranseshiyizhongkeyuerbukeqiudeshi,shiyigebijiaojiduandelizi,danfaxianheliyongtabingxuehuikongzhicaishizhenbenshi。qishi,zhezhongfeixianxingshizhenxianxiang,zaileqihemouxiedianzixiaoguoqizhongshiyongdelizibibijieshi。touguozhuguanpingjiadeneihan,womenyenengkanchu,wanyinxianghetingyinlewanquanshilianghuishi。wanyinxiangderenxingquzaiyinsekongzhishang,zabolishenghaowulegan,danduixitongnenglidechusebiaoxianergandaokuaigan。zheshiyizhongzaichuangzuo,yeshiyizhongxiushi。yexuzhejiushiwanyinxiangdemeilisuozai。