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PENGANTAR MULTIMEDIA. PENGERTIAN MULTIMEDIA. Kompresi Bit-bit media. Materi hari ini. DIGITASI MEDIA. PRE TEST. Multi media?. Apa yang anda ketahui tentang multimedia ?. What is Multimedia?. - PowerPoint PPT Presentation
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©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 1
PENGANTAR MULTIMEDIA
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 2
Materi hari ini
PENGERTIAN
MULTIMEDIA
DIGITASIMEDIA
Kompresi Bit-bit media
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 3
PRE TEST
Apa yang anda ketahui tentang multimedia ?
Multi media?
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 4
What is Multimedia?
MULTIMEDIA berasal dari dua kata MULTI dan MEDIA. MULTI dalam bahasa latin berarti banyak atau bermacam-macam, sedangkan MEDIUM berarti sesuatu yang dipakai untuk menyampaikan atau membawa sesuatu.
Kamus American Heritage Electronic Dictionary: MEDIUM : alat untuk mendistribusikan dan mempresentasikan informasi.
Multimedia dapat diartikan sebagai penggunaan beberapa media yang berbeda untuk menggabungkan dan menyampaikan informasi dalam bentuk text, audio, grafik, animasi, dan video.
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 5
What is Multimedia?
Pemanfaatan komputer untuk membuat dan menggabungkan teks, grafik, audio, gambar bergerak (video dan animasi) dgn menggabungkan link dan tool yg memungkinkan pemakai melakukan navigasi, berinteraksi dan berkomunikasi.
Output multimedia berbentuk citra digital -> gambar bergerak -> gambar tiga dimensi -> interaktif
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 6
RAHASIA OTAK KITA KIRI
Bahasa
Matematika
Sentuhan tangan kanan
Ilmu pengetahuan
Menulis
Logika
KANAN MusikSentuhan tangan kiriKesenianPersepsiImaginasi/FantasiEmosiMotivasi/Semangat
TENGAHSpiritualitas Value/nilaiMoral KetuhananNorma Kemanusiaan
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 7
Contoh OtakKanan
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 8
TULALU****
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 9
Pentingnya Multimedia
Sebagai alat bersaing perusahaan (sarana promosi)
Meningkatkan daya baca (menarik indera dan menarik minat)
Membantu meratakan zaman informasi ke jutaan orang yg belum memakai komputer
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 10
Contoh
Jangan Menyerah
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 11
Pengaruh Media terhadap “Memory Recall’
Prosentase dari Fakta yang dapat diingat
Treichler (1967)
% Recall
0102030405060708090
Membaca Mendengar Melihat M’dengardan
melihat
Sayingand
Doing
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 12
Gambaran Umum
12
ImagImagee
TextText
SpeecSpeechh
AudiAudioo
VideVideoo
Multimedia
Virtual worldsVirtual worldsStreaming videoStreaming video
Web pagesWeb pagesStreaming audioStreaming audioClient-serverClient-server
MultimediaSystems
AuthoringAuthoring
Media Media asset asset managemmanagementent
ToolsToolsFrameworksFrameworks
NetworkNetwork
DistributedMultimedia
Systems
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 1313
Multimedia Industry Structure
NetworkingNetworkingLevel
4Level
4
Platforms (Hardware)Platforms (Hardware)Level
3Level
3
Applications (Software)Applications (Software)Level
2Level
2
Content (Media)Content (Media)Level
1Level
1
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 14
What is software?
Oh, I see...
Office Application Operating System
Programming IDEMultimedia Application
Simulationpersonal software
SOFTWARE
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 15
Perkembangan Multimedia
Perkembangan multimedia mengikuti perkembangan internet
Seiring dengan perkembangan CD-ROM drive dan DVD drive
Pada akhir abad 20, dua per tiga rumah tangga di Amerika telah memiliki komputer dan setengahnya terhubung ke internet
Adanya industri telekomunikasi -> multimedia mobile Memudahkan perusahaan untuk melakukan merger
dan aliansi.
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 16
Perkembangan Multimedia
Multimedia mengubah tempat kerja (bisa mobile)
Multimedia mengubah cara orang berbalanja (teleshopping)
Multimedia mengubah cara akses informasi (baca koran)
Dll.
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 17
Multimedia Applications
Education Health Care Consumer Electronics Geographical IS Navigational Systems Business and Finance High Quality
Communications
Digital Libraries Entertainment Telecommuting Publishing Virtual Reality Commercial Electronics Cooperation Advertisement
[Gray97]
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 18
Health Care
Biomedical data acquisition, transmission, storage, interpretation
Diagnosis aids Tele medicine
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 19
Virtual Reality
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 20
Multimedia Internet
Internet merupakan jaringan komputer global yg terhbg setiap saat yg berisi berbagai layanan dan media
Fasilitas / layanan pada internet terdiri dari :• E-mail• Bulletin board service (network news)• File transfer (FTP)• Remote login (telnet)• Browsing dan pencarian informasi• Komunikasi audio dan video• Teleconference
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 21Teknik Elektro Universitas Brawijaya
Collaboration Environment
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 2222
Delivering Multimedia Compact disc
• Inexpensive, easy mass produce and distribute
Kiosk• Computer system to access info,
perform transactions or play games
• Convenience, reduces personnel costs, but expensive maintenance
Online• Web pages, product
advertisement, demos,
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 23
Karir di bidang Multimedia
Bidang pemasaran Animasi Perekaman CD/DVD Desain isi multimedia Electronic publishing Desain game Desain presentasi dan simulasi Perencanaan konstruksi multimedia Produksi Video
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 24Teknik Elektro Universitas Brawijaya
Digitisasi Media
Mengubah Media Menjadi Bit Digital
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 25Teknik Elektro Universitas Brawijaya
Digital Multimedia
All data is now numeric: Images, video and sound is digitized into numbers.
Digital data can be processed in a computer into compressed formats.
Data is stored on disk (rather than VHS tapes or audio cassette
Data is transmitted digitally with additional information to help correct errors
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 26Teknik Elektro Universitas Brawijaya
Digital Advantages
Digital data not affected by processing Compression => more data /channel Processing costs: analog but digital Complexity costs: analog but digital
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 27Teknik Elektro Universitas Brawijaya
Kompresi Bit-Bit Media
Menghemat Bit Untuk Multimedia
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 28Teknik Elektro Universitas Brawijaya
Tujuan Kompresi Multimedia
Tujuan Utama• Untuk menghemat penggunaan bit bagi representasi
digital yang efektif dari sinyal multimedia Sinyal Multimedia
• Ucapan, audio/musik, citra, video, dll Aplikasi
• Komunikasi, Internet, Broadcasting, Storage
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 29Teknik Elektro Universitas Brawijaya
Apa itu Kompresi
Suatu teknik pemampatan data sehingga diperoleh file (jumlah bit) dengan ukuran yang lebih kecil daripada ukuran aslinya.
Kompresi bekerja dengan mencari pola-pola perulangan (redundansi) pada data dan menggantinya dengan sebuah penanda tertentu.
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 30
Jika sebuah lagu pada CD Audio ≈ 50 MB,
sementara lagu yang sama dengan format MP3 ≈ 5 MB
TANYAKENAPA?
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 3131
Multimedia Development
ProcessProcessCapture from device
Read from a file
Receive over the network
Apply effect filters and transforms
Compress or decompress
Convert between formats
Present
Save to a file
Send across the network
InputInput OutputOutput
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 32Teknik Elektro Universitas Brawijaya
Summary
Teknologi multimedia adalah ‘the next-revolution’ Kuncinya adalah digitisasi media Kompresi harus dilakukan untuk efisiensi media
penyimpanan maupun transmisi
It is just a beginning …..
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 33 33
End of This Session...End of This Session...
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 1 Slide 34
TUGAS
Kompresi Gambar