參數(shù)資料
型號(hào)： QS7777
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(shù)： 8/11頁
文件大小： 164K
代理商： QS7777
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
QS7777CF QSurround 3D Virtual Audio Processor for Dolby AC-3 and ProLogic
QS7777PF QSurround 3D Virtual Audio Processor for Dolby AC-3 and ProLogic
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
QS7777CF 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:QSurround 3D Virtual Audio Processor for Dolby AC-3 and ProLogic
QS7777PF 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:QSurround 3D Virtual Audio Processor for Dolby AC-3 and ProLogic
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
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