NGHIEN CUU & UNG DUNG
MOT f 0 CONC c y XAY DUMC VA TiCH II0P DCr l l i U MULTIMEDIA
VfiTMNhd Tru&ng Dgi hgc Ddng fhdp ABTRACT
Construction and Data Integrated is Urgent requirements of many information systems.
Especial, Information systems have distributed databases. This paper concentrates on research evaluation a number of tool construction and data Integrated Multimedia. Data Integrated bases HTTP, SOAP protocols and XML technology...It is used to buildflexibility applications an integrated in communicating and it is compatible with all most present platforms.
Nh4nbAin^y24/ll/2013,ng^yduyHit&ng25/12/2013 Xay dung vd tich hgp d& li^u la yeu edu cdp bdch cua nhilu h? thing thdng tin, dgc bi?t doi vdi cdc h? thong cd co sd d& li?u phdn tdn.
Bdi vilt nay tgp trung vdo vi?e nghien edu ddnh gid mgt so cdng cy xay dyng va tieh hgp d& li?u Multimedia. Tich hgp d& lif u dya trdn nIn tdng eua eac giao thuc truyin d& li?u nhu XML, HTTP, SOAP... dh tgo nen ung dyng mem deo trong vi?e tIeh hgp, trao dii thdng tin vd nd phu hgp vdi hau het cdc h? thong phan edng hay h?
dilu hanh hi?n tgi.
1. Gidithi?u
Hi?n nay, cdng ngh? truyen thdng mang tinh todn cdu vi vgy d& li?u ngay mgt da dgng hda. Thdng tin khdng chi don thuan Id vdn ban md cdn d nhilu dgng thdc khdc nhau. Cdc chudn n^n hi?u qud hon dd lam gia tdng vi?c luu trd, sd dyng ede doi tugng da phuong ti?n (multimedia) nhu: dm thanh, hinh dnh, video,...
Tuy nhiSn, vi?e sdp xIp, phdn logi, tich hgp chung thudng dugc thyc hi?n mgt cdeh thu cdng. D I tgo dugc co sd d& li?u Idn chung ta can xay dyng cdng cy tieh hgp d& li9u dgng Multimedia. Tuy dd ed nhieu nghien edu tgp trung vao ITnh vyc nay nhung kit qua dgt dugc cdn hgn chl. Vdn dl tich hgp thdng tin, dong bg d& Ii?u td cdc nguon cd sdn la nhu cdu khdng thi thilu eda bdt ky h? thing thdng tin ndo.
Nhu vgy, van de dng dyng truyen thdng Da phuong ti?n la thye tien vd ed nhu edu dng dyng eao, can duge khai thdc vd s\x dyng toi uu trong mdi trudng hi?n tgi. Song cdng vi?c nay cung kem theo nhihig thdch thdc Idn vl ky thugt cdng ngh? trong khai thdc vd sd dyng chdng. Bdi vi thdng tin Da phuong ti^n rdt da dgng, da hudng, da chieu va d& Ii?u Da phuong ti?n thi phdc tgp, da cdu trdc.
2. Liya chgn cdng ngh?
Cd nhieu gidi phap eho bdi todn tren, tuy nhiSn lua chgn phuong phdp ndo thi tuy thugc vdo hg tang co sd vien thdng, quy djnh ve mgt phap ly va dinh hudng cda eo quan dd. Hi?n tgi, cdc trudng dd dugc trang bj h?
thdng thdng tin hi?n dgi va hogt dgng cd hi?u qua. Vi?e xay dyng dng dyng tich hgp d& li?u Multimedia dung de tich hgp, quan ly, luu tr& vd trao doi thdng tin vao gido dye la gidi phdp tot nhat. Vgy, dl sd dyng cac edng ngh?
xdy dyng dng dyng, chung ta can lya chgn dya tren nIn tdng edng ngh? ndo. Bai viet nay ggi y mOt so cdng ey xay dung va tich hgp d&
li?u Meltimedia.
a. Cdc phan mim tgo dnh
Hi?n nay tren thj trudng cd nhieu cdng cy xay dyng dd hga hai chieu rat da dgng vd phong phu. Cd nh&ng phdn mIm day du cdc TAP CHl THI^B|GlAODMC-Sd 101-1/2014 • 19
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chuc ndng nhung cung cd phan mem chi ed mgt vdi chdc ndng. Chiing ta ed the dilm qua mgt so phan mem phd bien nhu: Photoshop, Paint Shop, Paint Shop Pro, QuarkXpress, Paint Shop, ... Trong sd cac sdn phdm tren thi phan mem Adobe Photoshop cua hang Adobe da cd mat tren thj trudng tuong ddi lau. Phdn mIm ndy dugc cdc nha thilt kl anh vd nh&ng ngudi chuyen nghi?p hdm md. Nd la phan mem sogn thdo, bien tgp hinh dnh tdt nhdt so vdi ede chuong trinh sogn thdo dnh nang cao khdc tren thj trudng.
b. Cong eg xik ly Video
Cung nhu cdc cdng cy xd I^ dnh, cdng cy xd ly Video cung rdt da dgng vd phong phu nhung mdc do eua nd thdp hon. Cac chuong trinh xd ly video duge xdy dyng theo hudng chuySn nghifp dong thdi cd sy ket hgp chdt vdi phan cdng nhdm myc dich xd 1^ video trong thdi gian thyc. Cd thi liet ke mpt so chuong trinh xd ly Video diln hinh nhu Adobe Premiere, Final Cut Pro, After Efects, Cleaner, Videowave... Trong dd phan mSm Adobe Premiere 6.5 Id chuong trinh soan thao video chuyen nghi?p cho phep hien thj video, audio vd xd 1^ trong thdi gian thyc. Dgc bi?t nd cd bg tgo ky xdo hinh anh chuyen canh va eho phep tieh hgp them ede plug - in khac.
c. Cong cy x3y dyng cac doi tugng 3D Cd nhilu chuong trinh xd ly 3D khac nhau nhu Bryce 3D, InfiniD, 3D Max, Soft Image, Maya. Cdc ehuang trinh 3D thudng duge phdt triln td cdc hdng rieng bi?t khdng theo mgt ehuan nhdt djnh. Bryce 3D Id phdn mem tgo dnh hogt hhih trong khdng gian 3 chilu. Nd eho phep ehung ta tgo ra mdi trudng do song dgng.
Mgt y ni^m hodn hdo den muc khd tin ve hogt hinh 3 chieu, dm thanh ndi, nhGng bdc dnh va do hpa tuylt d?p.
d. Cdc ph&n mem tao Text
Cd khd nhieu phdn mIm chuyen dung dl soan thdo vdn ban nhu: Microsoft Word, Adobe Acrobat, Ventura, PageMaker... Trong
dd, Microsoft Word 2010 la phan mem dugc sd dyng phd biln bdi tinh nang dl sd dyng, nhilu chdc nang tot vd la phdn mIm sogn thdo nli bgt.
d. Cdc ph&n mem tich hgp dO* li?u yh xay dyng ii-ng dyng Multimedia
Viec xdy dyng sdn pham multimedia ygu cdu tich hgp rat nhilu logi dd ii?u nhu vdn ban, hinh dnh, am thanh, video. Dong thdi cac sdn phdm multimedia phdi cd ede tuong tac kich bdn. Muon thye hi$n dugc dilu ndy phdi ed cdc ehuang trinh chuySn bi^t. Hi§n nay tr8n thi trudng dang pho biln ede cdng ey sau Microsoft PowerPoit, Microsoft Frontpage, Authovi'are 6.0, Macromedia Flash, Macromedia Director...
PowerPoint Id mgt cdng cy biSn tgp vd trinh dien bao cdo trSn mdy tinh phi biln nhdt.
d Vi?t Nam, PowerPoint da dugc dp dyng rdt nhieu trong cdc buli hOi thdo, gidi thi^u sdn pham hogc phye vy gidng dgy. Trudc day ngudi dung PowerPoint thudng gdp khd khdn trong vdn de sao ch^p video, audio dinh k^m.
Nhung ngdy nay, PowerPoint 2010 dugc bo sung nhieu tinh ndng mdi vdi sy edi tiln giao di?n Ribbon thugn Igi hon eho ngudi sd dyng vd eho phep tieh hgp video, audio vao ciing tgp tin trinh chilu lam cho tinh ti?n dyng cang cao.
3. Xay dy^ng cdng cy tich hgp bdi gidng d^ng Multimedia
Tdi da tiln hdnh xay dyng cdng cy tieh hgp bdi giang dgng Multimedia. Giao di?n edng cy dugc thi hi?n nhu sau (hinh 1,2).
Nhan chpn vdo nut T3ip tin (1) dl chen tap tin cdn tich hgp, nhgp hudng dan hgc tgp hogc ghi chu cho tai li?u (2)... Nhdn phdi vao ten tdp tin tren form dh xda neu muon logi bd 1 nhdm t§p tin. Nhan nut Luu (3) todn bp dl luu tat cd thao tac dd cap nhgt, Phyc hoi (3) dl hoan lai thao tdc ddcgp nhgt...
Ngudi sd dyng thdng qua vi§c xem cdc khung hinh chinh tren md cd thi tich hgp 20 • TAP CHt THlfrBlGlAO DUC-S6101-1/2014
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Hinh 2: Module sogn thdo tieh hgp ddnh cho Giang vien dugc cdc d& ligu bdi gidng tuang dng. Modul tich hgp bai gidng giup gidng viSn to chdc va qudn ly cdc bai gidng cda ea nhdn mpt each thugn ti?n. Them vao do cd the de dang ddng gdi tdng chuong myc hay bdi gidng cua mpt mdn hgc dk chia se cho ngudi hpe. Ngudi hgc nhd vao dd cd thi de ddng su dyng tdi li?u bai gidng cung nhu truy egp tdi li?u, bai tap cua gidng viSn mgt each tryc quan.
4. Ket lugn
Ddnh gia mgt sd edng cy xdy dung va tich hgp du Ii?u multimedia la mpt yeu cdu bat huge doi vdi ngudi thiet kl, luu tru CO sd d& HSu Idn ndi ehung vd ngudi thilt kl bai giang ndi rieng. Danh gia dung chdc ndng nh&ng cdng ngh$ xay dyng va tich hgp d&
li?u multimedia s€ giup ngudi thilt kl dl dang lya chgn vd sd dung, thilt kl bdi gidng, ... chuyen nghi?p hon. Tu do, dng dung cdng cy tich hgp bdi gidng eho minh. Quan trgng hon, bg cdng cy tich hgp khdng lam thay dii nhilu din d& li$u nhihig sdn pham cua cae phan mem trudc do dd tgo ra chiing.
TAI LI$U THAM KHAO 1. Dinkar Sitaram and Asit Dan "Multimedia Server " Morgan Kaufmenn Publishers, San Francisco California, ndm 2000.
2. Donald K. Burleson, Joseph Hudieka,William H.
Inmon, Craig Mullins, Fabian Pascal, The Data Warehouse eBusiness DBA Handbook, BMC Software and DBAzine, 2003, 220.
3.DanHurwitz,JesseLiberty,/'TOgrflmm/«g ASP.NET, Third Edition, O'Reilly, 2005, 956.
4. Aaron Skonnard, Martin Gudgin, Essential XML QuickReferenceA Programmer's Reference to XML, XPath, XSLT. XML Schema, SOAP, and More, Addison Wesley, 2007,429.
5. http://www.giaiphapexceI.com/download/
M
ar
Multimedia.zip.
TAP CHlTHlfTBJGlAODMC-56101-1/2014 • l\