Audio_in_Multimedia.pdf

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3 13 08 (*AUDIO*) (RA, Wave, MPx ), 08, 08., , CD.. : , ( MIDI) MIDI (Musical Instrument Digital Interface) synthesizers 08 sequencers. MIDI 08 08, 0808 midi, (*events*) synthesizers MIDI 0808: MIDI M08 (Note ON) 08 (Note OFF) #25 (Patch change) x 08 y (Controller change).... ｭｭ. 08 MIDI # MIDI., 08, , , 0808 #

4 13 08 MIDI (General Midi - GM). To GM #25 #1. MIDI 08 GM, GM : MIDI 1 08 GM (drum kit) , GM , 08, GM 08 08,, , : MIDI, ,, !

5 13-08: 1., 08 08, Kbyte. To MIDI : (synth, ), ! GM (rock, techno ) 08 (08) 08 GM ( MIDI) : + MIDI + SBK, SF2, SDS, MIDI MIDI+SBK (Soundfont) SBK 0808, 08 (Web Browser) BEATNIK Beatnik MOD, S3M, XM To MOD, S3M, XM, 0808 AMIGA SoundTracker. To oundtracker sequencer 08 (samples) "" samples (modules)., module -samples,

6 13 : : 08+, : , : 1. MOD, MOD

7 byte ｨC MB (Audio) MP2, MP3, WAV, VOC 08 08, , 08 CD, 08 ( ) 08. -, 08, , , (*Header*) (*Format*). 08 Bit, 08, 08 (08,, ) Bit: 08 (, 08, ), 08 Bits. Bits, ｯ /, 08 08: 1 (**) 0 (**) ｨC bit bit 08 bit 8-bit bits bit, 16-bit 08 8-bit,. 08:, (* *) , bits bits; 08, , , , 08, :

8 (*Sampling Rates*), KiloHertz (KHz), 08 (*kilo=1000, Hertz= 08 *). (*Pitch*) , 08 CD 08, khz, 22,050 KHz, CD: 08 CD, khz bit * = bits * 2 = byte = 8 bit, CD, /8= bytes 172 Kbytes. HD 1.4 Mbytes : 1433 / 172 = 8.33 sec, : : , , : 08 : 08. bit 16bits 8bits: KHz KHz KHz: : KHz, 08 16bit stereo bit ,., 08 ｯ , 08, 08.

9 (Stream-able) (*stream*) , , ｨC 08, RealAudio 08.ra. 08, MP2, MP3, WAV, AU, MOV, AIFF, MPG , : MPEG StreamWorks. Windows : , 08 08, 08,, , RealAudio. 08:

10 13 bytes (*Formats*) 08 08:.au (08-law).aiff (Audio Interchange File Format).wav (WAVE).mov (QuickTime).ra (RealAudio).mpg-mpx (MPEG).mid (MIDI).mod (MOD).snd (SND) Sun Audio (.au) ext: 08-law law. 2: bit 08 Sun Audio ( ulaw NeXT ).au AIFF AIFF-C: AIFF 08 Audio Interchange File Format Apple Macintosh. /. AIFF 08 08, , bit, AIFF-C AIFF Wave (.WAV) 08 IBM MicroSoft , ADPCM Microsoft. 4: ,,, 08.

11 13QuickTime Movies (.qt.mov): / VIDEO. QuickTime : Qdesign Music Codec ｨC 08 3% 08! RealAudio (.ra) RealAudio ( , 08.) RealAudio (.wav.au.pcm 08) CD (*stream*) 08, RealAudio Server , , MPEG Audio (.mp1 /.mp2 /.mp3) To MPEG 08 ｰMoving Picture Experts Group ｱ. 08. MPEG layer I, layer II, layer III layer MPEG , Hz MIDI (.mid) Musical Instrument Digital Interface MIDI MIDI 08., MOD: MOD, 08 MIDI MIDI, MOD (*samples*). MIDI 08 WAVETABLE ( ),

12 13 / bit MOD MOD, SND (.snd) SND Apple Macintosh. 08. ESCAmixer ESCAtech Mac Windows. VMRL, :,, , AIFF 08 08, MACE ADPCM/IMA IMA ADPCM: / Interactive Multimedia Association. 08 / :1 16bit ( 8bit ) RealAudio Mac, Sun Solaris, Linux, Irix, OS/ ShockWave Mac, Windows Beatnik Mac, Windows 08 Javascript MIDI Audio 08 -

13 13 16-BIT AIFF Mac, Windows BIT AIFF Mac, Windows BIT QuickTime Mac, Windows 08 8-BIT QuickTime Mac, Windows 16-BIT Wave Mac 08 8-BIT Wave Mac 08 SUN u-law UNIX, Mac MPEG Layer 2 Mac 08

14 13 MPEG Layer 3 Mac MIDI Mac 08 MIDI MIDI 08 MIDI MIDI Music QT Mac 08 QT MIDI Mac T server - Liquid Mac 08, 08 ESCA

15 13MIXER : 1. zap/tutorial/index.html : 1. Chart.htm 2.

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