參數(shù)資料
型號(hào)： 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(yè)數(shù)： 8/11頁(yè)
文件大?。?/td> 164K
代理商： QS7777PF
QS7777PF/CF
NIPPON PRECISION CIRCUITS—8
Controls (SPREAD, AREA)
The SPREAD input and AREA flag are used to con-
trol the FLOUT and FROUT signals in QSurround
mode. In QSurround mode, the total sound heard is
an enhanced version (virtual sound source) of the
actual sound sources (speaker). When SPREAD is
HIGH, the virtual sound source is widened, strength-
ening the surround enhancement effect. The AREA
flag is used to widen the surround sound effect
sweet-spot. This can be used for a larger listening
audience. Note that AREA is set by serial input data
only, and is therefore not available in parallel inter-
face mode. The SPREAD and AREA control func-
tions are shown in the following figure.
Front Left
Speaker
Front Right
Speaker
Enhanced FLIN
Sound Source
with SPREAD = L
Virtualized RLIN
Sound Source
with SPREAD = L
Enhanced FLIN
Sound Source
with SPREAD = H
Virtualized RLIN
Sound Source
with SPREAD = H
Enhanced FRIN
Sound Source
with SPREAD = L
Virtualized RRIN
Sound Source
with SPREAD = L
Enhanced FRIN
Sound Source
with SPREAD = H
Virtualized RRIN
Sound Source
with SPREAD = H
Wider Listening Area
(AREA = H)
Narrower Listening Area
(AREA = L)
相關(guān)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(guān)代理商/技術(shù)參數(shù)
參數(shù)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(chēng):未知廠家 功能描述:
QS7779CM 制造商:NPC 制造商全稱(chēng):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(chēng):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(chēng):Nippon Precision Circuits Inc 功能描述:3D 2/4-Channel Stereo Surround Synthesizer
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