參數(shù)資料
型號(hào): SAA4979H
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: Sample rate converter with embedded high quality dynamic noise reduction and expansion port
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP128
封裝: 28 X 28 X 3.40 MM, PLASTIC, QFP-128
文件頁數(shù): 12/52頁
文件大?。?/td> 224K
代理商: SAA4979H
2002 May 28
12
Philips Semiconductors
Product specification
Sample rate converter with embedded high quality
dynamic noise reduction and expansion port
SAA4979H
handbook, full pagewidth
Dtomemory
UV7 to UV0
data input
UV7 to UV0
NOISE SHAPE
LUT
LOW-PASS
FILTER 2
8
control input:
noiseshape
control input:
Cadapt_gain
control input:
chromafix and
Klumatochroma
control input:
unfiltered
processed UV
Kchroma
Kchromafix
Kluma
UV
AVERAGE
LOW-PASS
FILTER 1
ABS/LIMITER
H
LF delta U/V
new U/V
8
Dfielddelay
UV7 to UV0
8
old U/V
delta U/V
Dtomemory
Y7 to Y0
data input
Y7 to Y0
NOISE SHAPE
LUT
LOW-PASS
FILTER 2
8
control input:
noiseshape
control input:
Yadapt_gain
control input:
lumafix
control input:
unfiltered
processed Y
Klumafix
Kluma
LOW-PASS
FILTER 1
ABS/LIMITER
H
LF delta Y
new Y
8
Dfielddelay
Y7 to Y0
8
old Y
delta Y
MHC202
Fig.4 Schematic diagram of noise reduction.
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