低音炮音箱设计

毕业论文（设计）Abstract:Along with the society progress,our life is improving gradually,people more and more learned to enjoy the life.Thecomputer was popularizing,in a short time,it already entered our life,the school,the family,the workplace,everywhere wemay see.The multimedia computer technology progresses by leaps and bounds,changing people's work,life,study andcommunication method,its application has brought the huge progress to the society,and is widely applied to profession andso on production,manufacture,management,service.Along with the computer popularization,computer no longer was onlythe limited work use,its collection leisure entertainment work to a body,has met the people's needs.In the recent years,the entertainment already became the personal computing to expend the biggest application,It mainlydistributes in the music,multimedia,the movie and the game.All these cannot separate with the seeing and hearing and It hasalready become a tendency that composes the family theater with the computer.Many people revealed that the sound box solong as can makes sound the line,In fact,people generally may match a sound box when purchase a family theater or personalcomputer,If lacks the sound box,multimedia will not exists.In present sound box market,there are many kinds of sound box products,people's pursue to high quality sound box includingmodelling,function,structure,sound quality and so on.To the ned of market,many new products appeared,this has causedthe competition between the new an old brand.Each Manufacturer competes to promote new products,thus indirectly hascaused new concept proposing.including the modelling.the intention,the use,the design and so on,new element burstingout brought for the market huge change.The technology unceasingly is progressing and people set a higher request to the realreturn to original state sound field and sound quality,Hi-Fi sound obtained more people's acceptance,low frequency must beable to replay the inferior bass in ought to make person's body and mind feel shocks;High frequency need broader replayfrequency for removes the higher mode resonant in ought to make the sound purer;The sound field also needs expand todisplay the great war scene,thus the multi-sound tracks sound box appeared.2.0 sound box promoted to the present 2.1.4.15.17.1system.Then sound box production appeared high-tech tendency,mainly in Solve bass artillery background noisedistortion and so on problems.Unceasingly enhanced the new production difficulty of technology and the development cost,opened the sound box pursue to be upscale,the high price path.But in real life,the majority people have no much time and enough money to spend to buy the upscale product to pursueenjoy.also,the present market situation is such,center the low-grade product is the main product,2.1 sound box occupied50.%market shares,therefore aims at this part of consumers'design have large practical significance.Key words:Multimedia Hi-FiBass artilleryMulti-sound tracks第2页共37页