Understanding Motion Media Types and Production

Motion Media

• Motion media is visual media that gives the appearance of movement.
• It consists of graphics, footage, and videos.
• Motion media is often combined with audio, text, and/or interactive content to create multimedia.

Forms of Motion Media

• Formal motion media is created by professionals following industry standards in creating, editing, and producing.
• Informal motion media is created by individuals, often for personal use.

Formal Production Animation Steps

• Writing the story: includes script writing and dialogue recording.
• Animators sketch the visuals.
• Background music and other details are added.
• Drawings are rendered.

Types of Motion Media

• Animation: Animated GIFs (Graphic Interchange Format), Flash, Shockwave, and Dynamic HTML.
• Video Formats/Codecs: MP4, DivX, MPG, 3GP, AVI, MKV.
  • MP4 represents the MPEG-4 format and can be used as a container for audio, video, and subtitles.
  • DivX is lossy video compression software reducing file sizes up to one-twelfth of the original with minimal quality loss.
  • MPG refers to video files embedded with MPEG video data compression specifications and data encoding algorithms.
  • 3GP is a multimedia container format defined by the third generation partnership project (3GPP).
  • AVI (Audio Video Interleave) is a multimedia container format introduced by Microsoft in November 1992 as part of its Video of Windows technology.
  • MKV files support unlimited picture, audio, and subtitle tracks.
• Purpose: Education, entertainment, and advertising.
• Source: Personal, social media, and media companies.
• Audience: Private/public and general/directed.

Credibility of Motion Media

• Determined by validity of information, the source, and the relationship of the author to the event.

Technical Methods to Detect Fake/Tampered Video

• Smoothness: Detect inconsistencies in movement. Actions may seem disjointed or jump abruptly.
• Lighting Coverage: Check the shadows and their direction. The source of light determines the shadows' size and direction.
• Scale and Size Consistency: Scale refers to size relationships. Objects should be consistent with real-world expectations, distances affect size.
• Objects at a distance should appear smaller.

Advantages of Motion Media

• Motion can be captured in a manner that can be viewed repeatedly.
• Can show processes in detail and in sequence.
• Enables learning with emotions.
• Cuts across different cultures and groups.
• Allows scenes, history, events, and phenomena to be recreated.

Limitations of Motion Media

• Viewers cannot always interrupt the presentation compared to other forms of visual media.
• Often more costly than other forms of visual media.
• Other data may be presented better using images.
• Subject to misinterpretation.

Elements of Motion Media

• Speed: Fast movements convey vigor and vitality, intensifying emotions, slow movements connote lethargy, solemnity, or sadness.
• Direction: Indicates movement from one direction to another and can refer to growing or shrinking of an object.
• Timing: Clarifies or intensifies the message; a pause can help. Can be objective or subjective.
• Transition: The way to switch between scenes.
• Sound and Color: Adds meaning to motion media.
• Blurring: Provides the illusion of fast movement in animation, and is used to censor information for security or privacy in videos.