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參數資料
| 型號： | UPC1892 |
| 廠商： | NEC Corp. |
| 英文描述： | MATRIX SURROUND SOUND PROCESSOR WITH SOUND PROCESSOR |
| 中文描述： | 矩陣環繞聲處理器，音頻處理器 |
| 文件頁數： | 1/42頁 |
| 文件大小： | 299K |
| 代理商： | UPC1892 |
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The
μ
PC1892 is a specific IC to reproduce surround sound by using phase shifters and a signal matrix.
The
μ
PC1892 provides wide sound with two speakers, and rich stereophonic sound with three speakers.
In case of stereo signal, the
μ
PC1892 has the movie mode to reproduce sense of immediacy (for movie) and the music mode
to emphasize vocal sound (for music), and it has the simulated mode to make monaural signal into wide deep sound. The modes
can be selected freely by using 2-bit parallel control pins.
In addition to this function reproducing surround sound, the
μ
PC1892 has a general sound processor that has volume, balance,
bass and treble control. So it is capable of reducing installation area.
All functions for processing signals of base band sound are provided on one chip.
FEATURES
Three surround modes are available: movie, music and simulated
Built in volume and balance control (All control voltage: 0 V to 5 V)
Built in tone control (bass, treble) (All control voltage: 0 V to 5 V)
Built in L+R output for woofer SP
μ
PC1892CT-02: The volume and balance attenuation are bigger than
μ
PC1892CT.
APPLICATION
TV
ORDERING INFORMATION
Part Number
Package
μ
PC1892CT
μ
PC1892CT-02
30-pin plastic shrink DIP (400 mil)
30-pin plastic shrink DIP (400 mil)
1991, 1992, 1995
DATA SHEET
MATRIX SURROUND SOUND PROCESSOR
WITH SOUND PROCESSOR
μ
PC1892
Bipolar Analog Integrated Circuit
Document No. S10650EJ3V0DS00 (3rd edition)
(Previous No. ID-2902)
Date Published October 1995 P
Printed in Japan
The information in this document is subject to change without notice.
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