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Lecture 5: CSCI E-1 Spring 2013

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Lecture 5: CSCI E-1 Spring 2013

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