Lecture 5: CSCI E-1 Spring 2013

Transcript

1. 1.

   Computer Science E-1 Lecture 5: Multimedia

2. 2.

   Exam I

3. 3.

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

4. 4.

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

5. 5.

   Multimedia

6. 6.

   File Formats

7. 7.

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

8. 8.

   Interpreting Bits

9. 9.

   Raster Graphics

10. 10.

    Pixels

11. 11.

    None
12. 12.

    Colors

13. 13.

    Additive Color Mixing

14. 14.

    None
15. 15.

    Color Depth

16. 16.

    RGB

17. 17.

    #FF0000

18. 18.

    #0088FF

19. 19.

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

20. 20.

    Subtractive Color Mixing

21. 21.

    None
22. 22.

    None
23. 23.

    CMYK

24. 24.

    Bitmaps

25. 25.

    Magic Numbers

26. 26.

    0x42 0x4D

27. 27.

    Metadata

28. 28.

    None
29. 29.

    xxd

30. 30.

    Resolution

31. 31.

    None
32. 32.

    http://www.youtu.be/Vxq9yj2pVWk

33. 33.

    Compression

34. 34.

    Lossless Compression

35. 35.

    None
36. 36.

    None
37. 37.

    Lossy Compression

38. 38.

    Hey wat r u doin tmrw? I wntd 2 go

    2 c Ben.
39. 39.

    Hey, what are you doing tomorrow? I wanted to go

    see Ben.
40. 40.

    JPEG

41. 41.

    None
42. 42.

    None
43. 43.

    Alpha

44. 44.

    Animated GIFs

45. 45.

    http://whatshouldwecallme.tumblr.com/

46. 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. 47.

    Vector Graphics

48. 48.

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

49. 49.

    Icon Fonts

50. 50.

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

51. 51.

    Seam Carving

52. 52.

    None
53. 53.

    None
54. 54.

    Energy

55. 55.

    None
56. 56.

    None
57. 57.

    Sound

58. 58.

    None
59. 59.

    Amplitude

60. 60.

    Wavelength

61. 61.

    Interference

62. 62.

    None
63. 63.

    Analog to Digital

64. 64.

    None
65. 65.

    Sampling Rate

66. 66.

    None
67. 67.

    Bitrate

68. 68.

    MP3

69. 69.

    PCM

70. 70.

    Psychoacoustics

71. 71.

    20 Hz - 20 kHz

72. 72.

    Frequency Masking

73. 73.

    Fast Fourier Transform

74. 74.

    Spectrogram

75. 75.

    None
76. 76.

    Frames

77. 77.

    ID3

78. 78.

    Audio Formats

79. 79.

    Audio Formats • AAC • MIDI • MP3 • WAV

    • WMA
80. 80.

    Audacity

81. 81.

    3D Graphics

82. 82.

    Wireframe

83. 83.

    None
84. 84.

    Polygon Mesh

85. 85.

    None
86. 86.

    Subdivision

87. 87.

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

88. 88.

    None
89. 89.

    None
90. 90.

    None
91. 91.

    3D Scenes

92. 92.

    None
93. 93.

    None
94. 94.

    Clipping

95. 95.

    Culling

96. 96.

    Video

97. 97.

    Codecs

98. 98.

    Video Codecs

99. 99.

    Video Codecs • H.264 • Theora • VP8

100. 100.

     Containers

101. 101.

     Video Containers

102. 102.

     Video Containers • AVI • MKV • MP4 • MOV

     • Ogg • WebM
103. 103.

     Compression

104. 104.

     None
105. 105.

     http://youtu.be/d1JA-nh0IfI

106. 106.

     Streaming

107. 107.

     Buffering

108. 108.

     Resolution

109. 109.

     Aspect Ratio

110. 110.

     Adaptive Bitrate Streaming

111. 111.

     GPUs

112. 112.

     None
113. 113.

     http://youtu.be/-P28LKWTzrI

114. 114.

     http://youtu.be/mWUf-H1Qjd8

115. 115.

     Flash

116. 116.

     Problem Set 5

117. 117.

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

118. 118.

     Computer Science E-1 Lecture 5: Multimedia