8.1 8.2 8.3 PhotoShop8.4 Flash

8

8.1 8.1.1 1. 1 2 3 4 5

8.1 8.1.1 2.

8.1 8.1.1 3.

8.1 8.1.2

8.1 8.1.3 1. 2. 3. 4. 5. .

8.1 8.1.4 1. 1 CD-ROM CD-RCD-RW CD-R CD-RW VCD74 DVD GBGB

8.1 8.1.4 1. 23 JPEGMPEG MPEG MPEG4

8.1 8.1.5 1. 2.

8.2 8.2.1 1.

(a) (b)

8.2 8.2.1 2.

8.2 8.2.2 1. T() 2.

8.2 8.2.2 2. ()() umaxumin M(M-1 ) umax umin/ (M-1) M>>1: umax umin/ M kkM=2k828=256(256)2430

8.2 8.2.2 3. n 1 2

80,1,,7456456100,101,1108-3

8.2 8.2.3 1.

8.2 8.2.3 2. (Hz, KHz) (Lossless Digitization) 3. (Bit Per Sample, bps) n2n1/2n11/2nbps(Bit Per Sample)

8.2 8.2.3 3. (Signal-to-Noise RatioSNR) SNR10 log [(Vsignal)2 / (Vnoise)2]20 log (Vsignal / Vnoise) (db) VsignalVnoiseSNR(db) Vnoise11Vsignal21SNR6(log(2)=log10(2)=0.301.) Vnoise116Vsignal216SNR20 log (216) 96

8.2 8.2.3 4. 5(DAT)8-1 =Hz bps /8, Bps/ = : CD44.1kHz16=16bps210s = 44.1100016210b1764KB 1KB 1000B)

8.2 5. 1 WAVMP3WMARAMIDVQFCD2 CD Audio Converter RealAudio Encoder Wisecroft Ripper Midi2Wav Amazing MIDI

8.2 8.2.4 1. 1 2 2. 1 GraphicsImage

8.2 8.2.4 2 VGA640480640480 ppiPixel Per Inchppi256256256256 1:1(

8.2 8.2.4 3 2424224167772164 /8 (),2562568 2562568/8 B = 256256 /1024 KB = 64 KB.Windows(66KB)(12)

8.2 8.2.4 3. 1 BMPGIF TIFTIFF PCX JPG PNG TGA WMF EPS 2 Windows Ms OfficeMicrosoft Photo Editor Adobe Photoshop V2.1 Konvertor v3.45.1

8.2 8.2.5 1. 1 2:;

8.2 2.

8.2 3. 1 AVI MOVQuick Time MPG DAT DIR 2 RM MOV(Quick Time) ASF WMV DivX 3 FLICFLIFLC SWF(Flash)4 30002.0 DVDIII

8.3 Photoshop 8.3.1 Photoshop CSPhotoshop CSPS

8.3.2 1 / Photoshop CS/Photoshop CS/

8.3 Photoshop

8.3 Photoshop 2 /Photoshop CS/Photoshop CS/Photoshop CSUSM Photoshop CS/

8.3.3 1 PhotoshopLayersPhotoshop21Photoshop /.jpg1.2.jpgWindows3Photoshop/2.4Photoshop8.3 Photoshop

8.3.3 24Photoshop2CtrlShiftI );Delete5//;6 8.3 Photoshop

8.4 Flash8.4.1 Flash 1 . Flash FlashMacromedia 2. Flash 3 . 1FlashFlashFlash2Flash3Flash

8.4 Flash8.4.1 Flash 3 . 4567Flash85 9 PhotoShop

8.4.2 1. 1 28.4 Flash

8.4.2 1. 2 11 .. 28F6829 212 313919 8.4 Flash

8.4.2 2 1 Flash1 ShiftF8 19F6 9l Ctrl+Enter 8.4 Flash

8.4.2 2 2 Flash1 Shift 9 9ShiftShift1 1 Ctrl+Enter 8.4 Flash

FlashF5F6F81. 2.3. 4*. ----5*. ----