, , . , -, . , , , , , . , , , .
. 6.19. Yamaha SW1000XG
, , : , ; , , ; , , , . .
, , , . - - , . , , , . , .
: , , , , , .
/. , 44,1 , CD . 16 . 96 24- . , , (Full Duplex), , , .. . (DMA Direct Memory Access). , , - ..
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, - . . , . FM- (Frequency modulation) WT- (Wave Table).
. . . , . , , OPL-2, OPL-3. FM-, , FM- 6- . FM- , OPL-3 , FM, . , FM , (.. /) c . OPL-3 .
FM- , , WT- , . , , , Wave Table. , FM, WT-, OPL-4.
Wave Table- . , WT- , ( ) . , . ( ) , GM . WT , . 32 , 64-.
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, , MIDI- . (), , , . 512 28 . , , , . , . , ( ), , , . CD DAT.
DSP (Digital Signal Processing). DSP (CPU Central Processing Unit), , CPU. DSP . DSP : , , (, , ). , CPU, , DSP , .. . DSP , , , 16, 24- 32- . DSP , .. , , .. . , . . , , - - (. 6.20).
. , , - - . , , . , .
. 6.20. Aadvark Aark
. , WT- , / , .. . .
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, . . , , , , , , . , () , .
, . , , .
, . , , , . , , , .., , , , , .
. , , .
( ), , . (). - PCM (Pulse Code Modulation). . .
:
ADPCM (Adaptive Delta PCM PCM) PCM, , (delta) . 2-4 , , .
MPEG , MPEG (Moving Pictures Experts Group 2 ). , , Audio MPEG . , . 12 .
(layers) Audio MPEG :
MPEG-1 1:4 384 /;
MPEG-2 1:6..1:8 256..192 /;
MPEG-3 1:10..1:12 128..112 /.
Windows Media Audio (WMA) Microsoft. WMA, , (stream playback). WMA 64 /c MPEG-1 Layer III 96 /, 96 / MPEG-2 AAC 128 /. WMA .ASF (Advanced Audio Streaming), .WAV. ,.ASF , ..ASF .WMA. .WMA . WMA , , , Microsoft Windows2000, , Vista, .
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.
WAV. .wav, , . .wav- (Waveform Audio File Format) RIFF-. RIFF- .riff.
, . RIFF (Resource Interchange File Format ), Microsoft Intel, , , , .. RIFF , . Wav (/), (8/16/24 ), .
MIDI - , , MIDI- (. MIDI).
MOD , -. , . , .
STM Scream Tracker, , MOD.
S3M Scream Tracker 3. STM . ST3 32 , 16- .
RA Real Audio . . : 8 16 8 11 .
(Korg / Roland / Kurzweil / E-mu / Ensoniq .), , , ( , AKAI, Audio, E-mu). GIG , Gigasampler.