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參數資料
| 型號： | QS7779CM |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | 3D Stereo Enhancement and 3D Virtual Stereo Surround with Dolby Pro Logic and Mixed DVD (AC-3) Decoder |
| 中文描述： | 3D立體聲增強和3D虛擬環繞立體聲和杜比定向邏輯及混合影碟（交流- 3）解碼器 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 114K |
| 代理商： | QS7779CM |
QS7779PM/CM
NIPPON PRECISION CIRCUITS—1
NIPPON PRECISION CIRCUITS INC.
3D Stereo Enhancement and 3D Virtual Stereo Surround
with Dolby Pro Logic and Mixed DVD (AC-3) Decoder
OVERVIEW
The QS7779PM/CM is an audio processor IC which
implements a decoder for stereo matrix encoded
source materials such as the Dolby Surround Pro
Logic and mixed DVD (AC
alization using QSound
technology developed and
3) with surround virtu-
licensed by QSound Labs, Inc. This chip produces
enhanced stereo sound for a stereo input signal and if
the input signal contains matrix encoded surround
sound, the chip decodes it and produces 3D virtual-
ized surround sounds with two speakers.
FEATURES
I
Capable of decoding Dolby Surround materials
such as Dolby Pro Logic or other matrix surround
encoded materials (DVD/AC
Virtualized surround sound with two speakers
3D stereo sound enhancement
Two enhanced levels
Parallel and serial digital interface for mode con-
trol
3)
I
I
I
I
QS7779CM for I
face (Data, Clock)
QS7779PM for three-wire serial interface
(Data, Clock and Strobe)
Supply voltage (analog): 5 to 13V
Supply voltage (digital): 4.5 to 5.5V
24-pin SSOP packaging
2
C 2 control pins serial inter-
I
I
APPLICATIONS
I
DVD, Laser disk player
Audio systems including TV, Radio and VCR
I
I
Computer-based multimedia products, including
sound cards and powered loudspeakers
PINOUT
(Top view)
QS7779PM
QS7779CM
Using these products does not require any Dolby certifications.
ORDERING INFORMATION
I
Dolby and the double-D symbol are registered trademarks of Dolby Laboratories Licensing Corporation.
2
C bus is a registered trademark of Philips Electronics N.V.
1
13
24
12
QXAC3
QXAC2
QXAC1
RIN
LIN
COUT
CIN
VREFIN
VREFOUT
VREF
GND
SPRD(SCL)
QXAC4
VCC
QXBC1
QXBC2
QXBC3
QXBC4
ROUT
LOUT
MUTE(STRB)
VDD
P/S
BYP(SDA)
Q
1
13
24
12
QXAC3
QXAC2
QXAC1
RIN
LIN
COUT
CIN
VREFIN
VREFOUT
VREF
GND
SPRD(SCL)
QXAC4
VCC
QXBC1
QXBC2
QXBC3
QXBC4
ROUT
LOUT
MUTE
VDD
P/S
BYP(SDA)
Q
Device
Package
QS7779PM
24-pin SSOP
QS7779CM
24-pin SSOP
相關PDF資料 |
PDF描述 |
|---|---|
| QS7779 | |
| QS7785CF | 3D audio processor IC(3D 音效處理IC) |
| QS7785PF | 3D 2/4-Channel Stereo Surround Synthesizer |
| QS7785 | 3D 2/4-Channel Stereo Surround Synthesizer |
| QS7785CF | 3D 2/4-Channel Stereo Surround Synthesizer |
相關代理商/技術參數 |
參數描述 |
|---|---|
| QS7779PM | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:3D Stereo Enhancement and 3D Virtual Stereo Surround with Dolby Pro Logic and Mixed DVD (AC-3) Decoder |
| QS7785 | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:3D 2/4-Channel Stereo Surround Synthesizer |
| QS7785CF | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:3D 2/4-Channel Stereo Surround Synthesizer |
| QS7785P/C | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:3D 2/4-Channel Stereo Surround Synthesizer |
| QS7785PF | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:3D 2/4-Channel Stereo Surround Synthesizer |
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