參數(shù)資料
型號(hào): SAA2520GP
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: Stereo filter and codec for MPEG layer 1 audio applications
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝: 14 X 14 X 2.20 MM, PLASTIC, QFP-44
文件頁數(shù): 6/36頁
文件大?。?/td> 151K
代理商: SAA2520GP
August 1993
6
Philips Semiconductors
Preliminary specification
Stereo filter and codec for MPEG layer 1
audio applications
SAA2520
Fig.4 Encoding mode.
handbook, full pagewidth
MLB128
FORMATTER
MPEG
OUTPUT
DATA
sub - band
samples
ALLOCATION &
SCALE FACTOR
INFORMATION
TABLE
SCALING &
QUANTIZATION
SYNC AND
CODING
INFORMATION
from SAA2521
allocation information
and scale factor indices
quantized samples
SUB-BAND
FILTER
base band
samples
Fig.5 Decoding mode.
handbook, full pagewidth
MLB129
DE–
FORMATTER
MPEG
input
data
scale factor
SCALE
FACTOR
ARRAY
& ALLOCATION
DEQUANTIZATION
CONTROL
MULTIPLY
allocation
sync/coding
quantized
samples
sub-band
samples
OUTPUT
CONTROL
SUB-BAND
FILTER
base band
samples
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