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SSM2005RS-REEL Datasheet

  • SSM2005RS-REEL

  • Decoder 5.1-Channel Soundfield Generator

  • 15頁(yè)

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a
FEATURES
Generates 5.1-Channel Soundfield from All Stereo Sources
No Pre-Encoding Required
Excellent Decoding of Pre-Encoded Sources
4- or 5-Speaker Operation
Subwoofer Output
Full Bandwidth on All Channels
Optimized Modes for Video and Music
Excellent Surround Image at All Positions
Independent Left and Right Surround Steering
No Surround Channel Delay Required
Built-In White Noise Generator
APPLICATIONS
Home Theater Receivers
VCD/DVD Players
Auto Sound Receivers and Amplifiers
Surround Sound Decoders
Karaoke
Computer Audio Boards
Video Games
GENERAL DESCRIPTION
Decoder
5.1-Channel Soundfield Generator
SSM2005
PIN CONFIGURATIONS
48-Lead SSOP
(RS Suffix)
R FILTER IN
R FILTER OUT
L FILTER IN
L FILTER OUT
L OUT
L OUT A
L IN
R OUT
R OUT A
R IN
V
EE
ACOM AUDIO GND
GND
V
CC
(L+R) OUT
(L鈥揜) OUT
(L鈥揜) HIGH IN
(L鈥揜) LOW IN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
廬
CENTER OUT
LF OUT
RF OUT
LS OUT
RS OUT
NOISE IN
NOISE OUT
LOAD
RESET
DATA IN
V
CC
ACOM AUDIO GND
GND
V
EE
WRITE
CLOCK IN
FRONT/REAR TC FILTER
LOW BAND TC FILTER
HIGH BAND TC FILTER
FRONT/REAR DET.
FRONT/REAR (L鈥揜) DET.
FRONT/REAR (L+R) DET.
AUTOBALANCE LOCKOUT
AUTOBALANCE TC
SSM2005
37
TOP VIEW
36
(Not to Scale)
35
34
33
32
31
30
29
28
27
26
25
The SSM2005 Circle Surround
廬
decoder produces true 5.1-channel
surround soundfield from any stereo source, including VCD, DVD,
VCR, CD and FM stereo broadcasts. The SSM2005 is also compat-
ible with encoded sources, such as Dolby ProLogic
廬
and Circle
Surround encoded movies and music. External delays and noise
reduction processors are not required for the surround channels.
Circle Surround encoded stereo signals will produce a full 360潞
soundfield when played through the SSM2005. Recording engi-
neers can encode sounds to any of the five speakers surrounding
the listener. Left Front, Right Front, Center, and differentiated
Left and Right surround channels are generated, providing a realis-
tic ambiance effect with either 4- or 5-speaker configurations.
The SSM2005 is available from Analog Devices, subject to the
License and Royalty requirements as described on the following
page of the data sheet.
R HIGH BAND DET.
L HIGH BAND DET.
HIGH BAND DET. OUT
R LOW BAND DET.
L LOW BAND DET.
LOW BAND DET. OUT
INPUTS
LEFT
RIGHT
ANALOG
SIGNAL
PROCESSING
OUTPUTS
LEFT
RIGHT
STEERING MATRIX
AND OUTPUT
AMPLIFIERS
CENTER
LEFT
SURROUND
RIGHT
SURROUND
L+R FOR
SUBWOOFER
RESET
SERIAL BUS
STEERING
CONTROL
GENERATOR
MODE CONTROL
LOGIC AND NOISE
GENERATOR
Figure 1. Simplified Block Diagram
and
are registered trademarks of SRS Labs, Inc. and ValenceTechnology Ltd.
Circle Surround is a registered trademark of SRS Labs, Inc. and Valence Technology Ltd.
Dolby ProLogic is a registered trademark of Dolby Laboratories Licensing Corporation, San Francisco, California.
Circle Surround technology is protected under one or more of the following U.S. Patents and corresponding patents
worldwide: 5,319,713; 5,333,201; 5,638,452; 5,771,295.
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
漏 Analog Devices, Inc., 1999

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