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參數資料
| 型號： | QS7777PF |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | QSurround 3D Virtual Audio Processor for Dolby AC-3 and ProLogic |
| 中文描述： | QSurround三維虛擬音頻處理器為杜比AC - 3和ProLogic |
| 文件頁數： | 1/11頁 |
| 文件大小： | 164K |
| 代理商： | QS7777PF |
QS7777PF/CF
NIPPON PRECISION CIRCUITS—1
NIPPON PRECISION CIRCUITS INC.
QSurround 3D Virtual Audio Processor
for Dolby AC-3 and ProLogic
OVERVIEW
The QS7777PF/CF is an audio processor IC which
implements the QSurround technology developed
and licensed by QSound Labs, Inc. It processes
Dolby Digital (AC-3) and Dolby Surround audio sig-
nals to produce enhanced virtual 3D sounds, even for
2-speaker systems. It can generate 2, 3, 4, and 5-
channel speaker configurations, all with enhanced
surround signal outputs.
FEATURES
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Enhanced surround signal from Dolby Digital
(AC-3) and Dolby Surround (ProLogic) input sig-
nals
2-step adjustable sound enhancement
Supported speaker configurations
Dolby Digital (AC-3) 6-channel signals to 2, 3,
4, 5-channel speaker QSurround signal configu-
rations
Dolby Surround (ProLogic) 4-channel signals
to 2, 3, 4-channel speaker QSurround signal
configurations
Monaural to virtual stereo conversion
Parallel and 2 serial interface control modes
selectable
QS7777CF: I
C bus 2-wire serial interface
QS7777PF: 3-wire serial interface (Data, Clock,
Strobe)
5 to 13V analog supply
4.5 to 5.5V digital supply
48-pin QFP package
2
C bus serial interface components
under license from Philips, and conforms to the Phil-
ips I
C bus specifications.
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APPLICATIONS
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DVD and laser disk players
TV and AV equipment
Multimedia products (including sound cards)
Car audio
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ORDERING INFORMATION
PINOUT
QS7777PF
QS7777CF
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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.
Device
Package
QS7777PF
48-pin QFP
QS7777CF
48-pin QFP
Top view
Top view
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VDD
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QS7777CF
相關PDF資料 |
PDF描述 |
|---|---|
| QS7779PM | 3D Stereo Enhancement and 3D Virtual Stereo Surround with Dolby Pro Logic and Mixed DVD (AC-3) Decoder |
| QS7779CM | 3D Stereo Enhancement and 3D Virtual Stereo Surround with Dolby Pro Logic and Mixed DVD (AC-3) Decoder |
| QS7779 | |
| QS7785CF | 3D audio processor IC(3D 音效處理IC) |
| QS7785PF | 3D 2/4-Channel Stereo Surround Synthesizer |
相關代理商/技術參數 |
參數描述 |
|---|---|
| QS7777PF(PS8888PF) | 制造商:P&S 功能描述:Virtual surround audio processing chip |
| QS7779 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| QS7779CM | 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 |
| 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 |
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