Lecture 5: CSCI E-1 Spring 2013

Lecture 5: CSCI E-1 Spring 2013

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Tommy MacWilliam

March 25, 2013
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Transcript

  1. Computer Science E-1 Lecture 5: Multimedia

  2. Exam I

  3. http://www.cnn.com/2013/03/10/ tech/web/grumpy-cat-sxsw

  4. http://www.theonion.com/video/ youtube-contest-challenges-users- to-make-a-good-vi,14288/

  5. Multimedia

  6. File Formats

  7. http://download.microsoft.com/download/0/B/E/ 0BE8BDD7-E5E8-422A-ABFD-4342ED7AD886/ Word97-2007BinaryFileFormat%28doc %29Specification.pdf

  8. Interpreting Bits

  9. Raster Graphics

  10. Pixels

  11. None
  12. Colors

  13. Additive Color Mixing

  14. None
  15. Color Depth

  16. RGB

  17. #FF0000

  18. #0088FF

  19. http://www.html-color-names.com/ color-chart.php

  20. Subtractive Color Mixing

  21. None
  22. None
  23. CMYK

  24. Bitmaps

  25. Magic Numbers

  26. 0x42 0x4D

  27. Metadata

  28. None
  29. xxd

  30. Resolution

  31. None
  32. http://www.youtu.be/Vxq9yj2pVWk

  33. Compression

  34. Lossless Compression

  35. None
  36. None
  37. Lossy Compression

  38. Hey wat r u doin tmrw? I wntd 2 go

    2 c Ben.
  39. Hey, what are you doing tomorrow? I wanted to go

    see Ben.
  40. JPEG

  41. None
  42. None
  43. Alpha

  44. Animated GIFs

  45. http://whatshouldwecallme.tumblr.com/

  46. Name Extension Compression Color Alpha Bitmap .bmp No 24-bit No

    GIF .gif Lossless 8-bit No JPEG .jpg, .jpeg Lossy 24-bit No PNG .png Lossless 24-bit Yes
  47. Vector Graphics

  48. http://en.wikipedia.org/wiki/ File:Virtual_Private_Network_over view.svg

  49. Icon Fonts

  50. http://fortawesome.github.com/ Font-Awesome/

  51. Seam Carving

  52. None
  53. None
  54. Energy

  55. None
  56. None
  57. Sound

  58. None
  59. Amplitude

  60. Wavelength

  61. Interference

  62. None
  63. Analog to Digital

  64. None
  65. Sampling Rate

  66. None
  67. Bitrate

  68. MP3

  69. PCM

  70. Psychoacoustics

  71. 20 Hz - 20 kHz

  72. Frequency Masking

  73. Fast Fourier Transform

  74. Spectrogram

  75. None
  76. Frames

  77. ID3

  78. Audio Formats

  79. Audio Formats • AAC • MIDI • MP3 • WAV

    • WMA
  80. Audacity

  81. 3D Graphics

  82. Wireframe

  83. None
  84. Polygon Mesh

  85. None
  86. Subdivision

  87. http://www.subdivision.org/demos/ demos.html

  88. None
  89. None
  90. None
  91. 3D Scenes

  92. None
  93. None
  94. Clipping

  95. Culling

  96. Video

  97. Codecs

  98. Video Codecs

  99. Video Codecs • H.264 • Theora • VP8

  100. Containers

  101. Video Containers

  102. Video Containers • AVI • MKV • MP4 • MOV

    • Ogg • WebM
  103. Compression

  104. None
  105. http://youtu.be/d1JA-nh0IfI

  106. Streaming

  107. Buffering

  108. Resolution

  109. Aspect Ratio

  110. Adaptive Bitrate Streaming

  111. GPUs

  112. None
  113. http://youtu.be/-P28LKWTzrI

  114. http://youtu.be/mWUf-H1Qjd8

  115. Flash

  116. Problem Set 5

  117. http://www.cafepress.com/make/ personalized-gifts

  118. Computer Science E-1 Lecture 5: Multimedia