Android Studio New Media Fundamentals: Content Production of Digital Audio/Video, Illustration and 3D Animation

152 Pages·2015·12.07 MB·English

by  Wallace Jackson

Content Production of Digital Audio/Video,
Illustration and 3D Animation
Android Studio

New Media Fundamentals
Wallace Jackson
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Android Studio New
Media Fundamentals
Content Production of Digital
Audio/Video, Illustration
and 3D Animation
Wallace Jackson

www.it-ebooks.info
Android Studio New Media Fundamentals
Wallace Jackson
Lompoc, California, USA
ISBN-13 (pbk): 978-1-4842-1640-8 ISBN-13 (electronic): 978-1-4842-9867-1
DOI 10.1007/978-1-4842-9867-1
Library of Congress Control Number: 2015955164
Copyright © 2015 by Wallace Jackson
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Technical Reviewer: Chad Darby
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Contents at a Glance
About the Author ..............................................................................xi
About the Technical Reviewer ........................................................xiii
■ Chapter 1: Enhancing Android Apps: Using New Media Assets ......1
■ Chapter 2: Digital Images: Concepts and Terminology .................11
■ Chapter 3: Digital Image Assets: Data Footprint Optimization .....27
■ Chapter 4: Digital Audio: Concepts and Terminology ...................33
■ Chapter 5: Digital Audio Assets: Data Footprint Optimization ......43
■ Chapter 6: Digital Video: Concepts and Terminology ....................57
■ Chapter 7: Digital Video Assets: Data Footprint Optimization ......65
■ Chapter 8: Digital Illustration: Concepts and Terminology ...........77
■ Chapter 9: Digital Illustration: Data Footprint Optimization .........87
■ Chapter 10: 3D New Media: Concepts and Terminology .............101
■ Chapter 11: 3D New Media: Data Formats and Platforms ..........117
■ Chapter 12: Referencing New Media Assets in
Android Studio ............................................................................129
Index ..............................................................................................137
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Contents
About the Author ..............................................................................xi
About the Technical Reviewer ........................................................xiii
■ Chapter 1: Enhancing Android Apps: Using New Media Assets ......1
New Media Genres: Multimedia Pie Slices ..............................................2
Separate Your App from the Crowd: New Media .......................................................2
Android Studio New Media Support: File Formats ....................................................2
Downloading and Installing Your Software ..............................................4
Digital Image Editing and Compositing: GIMP...........................................................4
Digital Audio Editing and Effects: Audacity ...............................................................5
Digital Video Editing and Effects: Lightworks ...........................................................6
Digital Illustration and 2D Modeling: Inkscape .........................................................7
3D Modeling, Rendering, and Animation: Blender.....................................................8
Summary .................................................................................................9
■ Chapter 2: Digital Images: Concepts and Terminology .................11
Pixels: Your Digital Image Building Blocks ............................................11
Raster vs. Vector: Imagery vs. Illustration ..............................................................12
Rendering: Convert Vector Shape to Raster Image .................................................12
Resolution: The Number of Image Pixels ...............................................12
Doing the Math: Calculate Your Total Image Pixels .................................................13
Matching Image Resolution to Android Devices .....................................................13
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■ CONTENTS
Aspect Ratio: The 2D Ratio of W:H Pixels ..............................................14
Screen Shapes: Common Display Aspect Ratios ....................................................15
Doing the Math: How to Arrive at the Aspect Ratio .................................................15
Color Theory: Using Pixel Color Channels ..............................................15
The Mathematics of RGB Color: Multiplying Your Intensities ..................................16
Representing RGB Color Values: Using Hexadecimal Data Values ..........................17
Color Depth: Bit-Levels That Defi ne Color .............................................18
Indexed Color: Using Palettes to Hold 256 Colors ...................................................18
True Color: Using 24-Bit Color Imagery ...................................................................19
True Color plus Alpha: Using 32-Bit Digital Images ................................................19
Alpha Channels: Defi ning Transparency ................................................21
PorterDuff: Algorithmic Blending Modes ...............................................21
Smoothing Edges: Anti-Aliasing ............................................................22
NinePatch Assets: 9-patch Digital Images.............................................23
NinePatch Class: Creating NinePatch in Android ....................................................24
Draw 9-patch: Create a NinePatchDrawable Image ...............................................24
Summary ...............................................................................................26
■ Chapter 3: Digital Image Assets: Data Footprint Optimization .....27
Optimizing Digital Imagery: Key Factors ...............................................27
Image Resolution: Number of Pixels in the Array ...................................................28
Image Color Depth: Color Channels for Each Pixel .................................................28
Image Alpha Channel: Pixel Transparency Channel ................................................32
Summary ...............................................................................................32
■ Chapter 4: Digital Audio: Concepts and Terminology ...................33
Audio Concepts and Terminology ..........................................................33
Foundation of Analog Audio: Sound Waves of Air ...................................................33
Digital Audio: Samples, Resolution, and Frequency ................................................34
Digital Audio Data: Transmission and Digitization ...................................................36
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■ CONTENTS
Digital Audio in Android: File Formats .....................................................................37
MIDI: Musical Instrument Data Interface ................................................................38
MPEG-3 Audio: The Popular MP3 Data Format .......................................................38
FLAC: The 24-Bit Free Lossless Audio Codec..........................................................39
OGG Vorbis: A Lossy Open Source Audio Codec ......................................................39
MPEG-4 Audio: Advanced Audio Coding (AAC) ........................................................40
MPEG-4 AMR: Adaptive Multi-Rate Audio Codecs ...................................................40
PCM Audio: Pulse-Code Modulation Codec .............................................................40
Summary ...............................................................................................41
■ Chapter 5: Digital Audio Assets: Data Footprint Optimization ......43
Audio Optimization: Device Compatibility ..............................................43
Digital Audio Optimization: Work Process ..............................................44
Trim an Audio Sample: Removing Unused Audio ....................................................45
Noise Reduction: Removing Background Noise ......................................................47
Establishing a Baseline: Exporting PCM Format .....................................................48
Exporting Lossless FLAC: FLAC Audio Files ............................................................50
Exporting Lossy Ogg Vorbis: OGG Audio Files .........................................................51
Exporting Lossy MPEG-3 Format: MP3 Audio Files .................................................52
Exporting Lossy MPEG-4 Format: M4A Audio Files .................................................53
Exporting Narrow Band Format: AMR Audio Files ...................................................54
Summary ...............................................................................................55
■ Chapter 6: Digital Video: Concepts and Terminology ....................57
Digital Video Concepts and Terminology ...............................................57
Digital Video Concepts: Frames and Frame Rates ..................................................57
Digital Video Mathematics: Doing the Multiplication ..............................................58
Digital Video Algorithms: Digital Video Codecs .......................................................59
Video in Android: MPEG-4 H.264 AVC and WebM ....................................................59
Digital Video Resolutions: Industry Standards ........................................................60
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■ CONTENTS
Digital Video Storage: Captive vs. Streaming ..........................................................61
Digital Video Compression: Bit Rates and Playback ...............................................61
Digital Video Optimization: Encoding Software .......................................................62
Digital Video Optimization: Encoder Settings ..........................................................62
Summary ...............................................................................................64
■ Chapter 7: Digital Video Assets: Data Footprint Optimization ......65
Creating Digital Video Content: Terragen ...............................................65
Creating Uncompressed AVIs: VirtualDub ..............................................68
Applying Video Compression: Squeeze .................................................71
Summary ...............................................................................................76
■ Chapter 8: Digital Illustration: Concepts and Terminology ...........77
Digital Illustration Is Rendered, Not Stored ...........................................77
Vector Components: Vertices and Curves ..............................................78
The Vertex: The Foundation for Your 2D Shapes .....................................................78
The Path: Connecting Vertices to Create a Shape ...................................................78
The Fill: Filling Your Closed Shapes with Colors .....................................................82
The Stroke: Controlling How Lines and Curves Look ..............................................84
SVG Format: Coding Vector Shape Data ................................................85
Summary ...............................................................................................85
■ Chapter 9: Digital Illustration: Data Footprint Optimization .........87
Inkscape: Vector Illustration Shape Data ...............................................87
The Layout: Overview of Key Areas in Inkscape .....................................................87
Polygon Shapes: Creating Basic Closed Shapes .....................................................88
SVG Data Export: Using Inkscape File ➤ Save As ..................................................89
Spline Shapes: Creating Complex Shapes ..............................................................91
Data Footprint Optimization: Use Integers .............................................99
Summary .............................................................................................100
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■ CONTENTS
■ Chapter 10: 3D New Media: Concepts and Terminology .............101
Interactive 3D Assets: 3D Vector Content ............................................101
The Foundation of 3D: The Geometry of the Mesh ................................................102
Skinning a 3D Model: Texture Mapping Concepts ................................................108
3D Animation: Keyframes, Motion Curves, and IK .................................................113
Summary .............................................................................................116
■ Chapter 11: 3D New Media: Data Formats and Platforms ..........117
3D Model Data: Open Source File Formats ..........................................117
Autodesk: 3D Studio for DOS 3DS .........................................................................118
Wavefront Technologies: Advanced Visualizer OBJ ...............................................118
Collada: ISO Collaborative Design Activity DAE .....................................................119
Stereolithography or STL: 3D Systems CAD ..........................................................119
X3D: The ISO Successor to VRML ..........................................................................119
FXML: The JavaFX Markup Language Data Format ..............................................120
Java 3D Support: JavaFX Scene Graph ...............................................120
3D Modeling: Points, Polygons, Mesh, and Shading .............................................121
3D Animation: Timeline, KeyFrame, and Interpolator ............................................122
Third-Party Java Scene Graph 3D Engines ..........................................123
jMonkeyEngine: The JME i3D Game Engine .........................................................123
LWJGL: Lightweight Java Game Library V3 ...........................................................124
JOGL: Java OpenGL, OpenAL, and OpenCL............................................................124
libGDX: Cross-Platform Desktop and Android 3D ..................................................125
Android OpenGL Package: Android i3D ................................................126
Summary .............................................................................................127
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