datasheet for SC

datasheet for SC
SC-691
Speech And Music Processor
Data Sheet
Features
 Advanced, Catalog Speech Processor for High-
Quality Sound, Capable of Unlimited Speech
Duration Using External Memory
 Operates up to 12.32 MIPS.
 Supports High-Quality Algorithms Such as MX
(1.0 Kbps – 3.5 Kbps at 8 kHz), CX (3.0 Kbps –
11.2 kHz at 8 kHz Sampling Rate), ADPCM,
Single Channel FM with CX or MX.
 Speed and Pitch Shifting in MX for Various
Voice Effects.
 Six Level Digital Gain Control.
 4 User Configurable I/O’s.
 Very Low-Power Operation, Ideal for Hand-Held
Devices.
 Low-Voltage Operation, Sustainable by Three
(3) Batteries.
 Three Reduced Power Standby Modes, Less
Than 10 µA in Deep-Sleep Mode.
 Resistor-Trimmed Oscillator or 32.768 kHz
Crystal Reference Oscillator.
 Direct Speaker Drive, 32 Ω (PDM).
 Interrupt Driven, 4 or 8-Bit Parallel Data
Transfer Protocol.
 Available in Die Form or 64-Pin LQFP Package
Description
The SC-691 is a standard slave synthesizer
from Sensory, Inc. that accepts compressed
speech data from other microprocessors or
microcontrollers and converts it to speech.
This allows the SC-691 to be used with a master
microprocessor/microcontroller
in
various
speech-related products such as security
systems, learning aids, games, and toys. High
quality, low bit-rate coders, easy interface with
the master microcontroller, digital gain control,
low power sleep mode, and low voltage
operation makes this device ideal for products
requiring
long
duration
speech,
less
development cycle times, and peripheral device
control through the slave device.
SC-691 Block Diagram
16-Bit
Microprocessor
640-words
RAM
SLAVE LOGIC
10-Bit
DAC
TIMER 1
TIMER 2
PLLM
COMPARATOR
This device supports several speech synthesis algorithms that permit tradeoffs to meet the price performance
requirements of various markets.
The SC-691 implements a unique feature of playing a single channel FM music along with CX or MX speech
data concurrently. This feature allows the user to speak a certain phrase in MX or CX with single channel music
in the background.
The SC-691 is optimized to support a 4-bit wide data transfer protocol. The device has two status bits and three
control bits that control the communication protocol between the master and the slave.
The SC-691 also has 1 bit (command/data) which differentiates between a command and speech data feeding
into the slave. In 4-bit mode, various commands are sent to the slave during speech to perform various tasks.
The SC-691 also supports the 8-bit wide data transfer but the support for commands is disabled during
speaking-a-phrase. When speaking-a-phrase in 8-bit mode is complete, the SC-691 switches back to the 4-bit
mode to receive the next command. Switching between 4 bit mode and 8 bit mode is permitted between speech
data files.
© 1994-2010 Sensory Inc.
P/N 80-0211-E
1
Data Sheet
SC-691
Functional Block Diagram
2
P/N 80-0211-E
© 1994-2010 Sensory Inc.
Data Sheet
SC-691
VSS
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
VSS
62
61
60
59
58
57
56
55
54
53
52
51
50
49
DACP
VDD
STROBE_
OUTRDY_
4
5
45
DACM
INRDY_
6
44
43
VDD
PD4
42
41
PD5
PD6
40
39
PD7
DATA0
TEST
7
SCANOUT
SYNC
8
9
SCANCLK
SCANIN
10
11
38
DATA1
RESET_
12
37
DATA2
PLL
13
OSCIN
14
36
35
DATA3
DATA4
OSCOUT
15
VSS
16
34
33
DATA5
DATA6
SC-691
21
22
23
24
25
26
27
28
29
30
31
32
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
VDD
DATA7
(64-lead LQFP)
20
17
VSS
47
46
NC
16
48
2
3
18
19
SC-691
(top view of the die)
1
VDD
R/W_
17
34
1
VDD
NC
NC
35
NC
36
64
63
Pin/Pad Assignments
NAME
DATA0–DATA3
DATA4 or
DATA/COMMAND
DATA5–DATA7
PIN NO. PAD NO. I/O DESCRIPTION
11
7 25
22 I/O Data bits 0 through 3 (in 4-bit or 8-bit mode)
Data bit 4 (in 8-bit mode)
8
21
I/O
NOTE: Pin 8 is DATA4 in 8-bit mode, or DATA/COMMAND in 4-bit mode.
34
32 20
18 I/O Data bits 5 through 7 (8-bit mode only)
An output signal from the slave to the microcontroller. A low signal indicates that
INRDY_
6
6
O the SC-691 is ready to accept data or command. A high signal indicates that the
SC-691 is busy and the microcontroller must not write any data or command to it
An output signal from the slave to the microcontroller. A low signal indicates that
OUTRDY_
5
5
O
the SC-691 is ready to send data or command to the microcontroller.
PD4–PD7
43
40 29
26 I/O General-purpose I/O bus
An input signal to the slave from the microcontroller. Read/write select signal which
R/W_
3
3
I
is set high for read operations or set low for write operations by the microcontroller.
An input signal to the slave from the microcontroller. STROBE_ sequences read or
STROBE_
4
4
I write operations in conjunction with the R/W_ signal. This signal is pulsed high-lowhigh for read or write operations sequencing.
Reference Oscillator Signals
OSCOUT
15
15
O Output of resistor/crystal oscillator
OSCIN
14
14
I Input to resistor/crystal oscillator
PLL
13
13
O Output of phase-lock-loop filter
Scan Port Control Signals
SCANIN†
11
11
I Scan port data input
SCANOUT
8
8
O Scan port data output
SCANCLK
10
10
I Scan port clock
SYNC†
9
9
I Scan port synchronization
TEST†
7
7
I Test modes
Digital-to-Analog Sound Output
DACP
47
33
O Digital-to-analog plus output (+)
DACM
45
31
O Digital-to-analog minus output(–)
Initialization
RESET_
12
12
I Device initialization
Power Signals
1, 2, 31, 1, 2, 17,
- Processor power, 5 V nominal supply voltage
VDD
30, 32‡
44, 46‡
‡
16, 48,
16, 34 ,
VSS
- Ground pin
49‡, 64
8, 7
† All pins must be N.C.
‡ Marked pins are VDD and VSS connections which service the DAC circuitry. These pins tend to sustain a higher current draw. A dedicated
decoupling capacitor across these pins is therefore required.
© 1994-2010 Sensory Inc.
P/N 80-0211-E
3
Data Sheet
SC-691
Number of data lines
Number of control lines
Number of status lines
Number of general-purpose I/O lines
Support for commands (while speaking)
SC-691 (4-bit mode)
4
3 (STROBE_, R/W_, data/command)
2 (INRDY_, OUTRDY_)
4
Yes
SC-691 (8-bit mode)
8
2 (STROBE_, R/W_)
2 (INRDY_, OUTRDY_)
4
No
Figure 1: Interfacing Diagram 4-Bit Mode
Note:
STROBE_
R/W_
RESET_
DATA0–
PD4–PD7
DACP
DACM
DATA/COMMAND
Active low STROBE_ signal from microcontroller
Read/write signal from microcontroller
Active low RESET_ signal from microcontroller
DATA3 Data bits 0 through 3
General-purpose I/O bus
Output to speaker/amplifier
Output to speaker/amplifier
This bit determines if the data sent by the microcontroller is data or command.
Figure 2: Interfacing Diagram 8-Bit Mode
Note:
STROBE_
R/W_
RESET_
INRDY_
OUTRDY_
DATA0–DATA7
PD4–PD7
DACP
DACM
4
Active low STROBE_ signal from microcontroller
Read/write signal from microcontroller
Active low RESET_ signal from microcontroller.
Active low indicates that the SC-691 is ready to accept data.
Active low indicates that the SC-691 is ready to send data.
Data bits 0 through 7
General-purpose I/O bus
Output to speaker/amplifier
Output to speaker/amplifier
P/N 80-0211-E
© 1994-2010 Sensory Inc.
Data Sheet
SC-691
Read Operation By The Master
The process for the read operation by the master is the same in either 4-bit or 8-bit mode. The read operation by
the master happens when the slave wants to send something to the master. The read process is initiated by the
slave by pulling OUTRDY_ low when it is ready.
The following events take place during the read operation:
 The
 The
 The
 The
 The
 The
SC-691 puts the data to be sent to the master on the internal bus.
SC-691 sets OUTRDY_ low to indicate that it is ready to send data to the microcontroller.
microcontroller sets R/W_ high to indicate a read operation.
microcontroller sets STROBE_ low. The data is available on the external data-bus at this point.
microcontroller reads the data from the bus.
microcontroller sets STROBE_ high. The SC-691 also pulls OUTRDY_ high at the rising edge of
STROBE_.
 The data is taken from the external data-bus after STROBE_ goes high.
The microcontroller should latch or read in the data while STROBE is low. When the microcontroller sets
STROBE_ high, the SC-691 sets OUTRDY_ high to indicate that the data has been successfully transferred.
A) Sequence of events for a single read operation:
OUTRDY
R/W
STROBE
DATA
COMMAND/DATA
B) Read-Two speech data transfer sequences:
OUTRDY
R/W
STROBE
DATA
COMMAND/DATA
Figure 3: Data Transfer – Read
Write Operation By The Master
The process for the write operation by the master is the same in either 4-bit or 8-bit mode. The write operation
by the master happens when the slave is ready to request data or command from the master. The write process
is initiated by the slave by pulling INRDY_ low when the slave is ready to receive data. The following events
take place during the write operation:
 The
 The
 The
 The
 The
SC-691 sets INRDY_ low to indicate that it is ready to receive data from the microcontroller.
microcontroller sets R/W _low to indicate a write operation.
microcontroller puts the data in the external data-bus.
microcontroller sets STROBE_ low after the data is valid.
microcontroller sets STROBE_ high after a minimum of 300 ns. The SC-691 also pulls INRDY_ high at
the rising edge of STROBE_.
 The data is latched in the SC-691 at the rising edge of STROBE_.
© 1994-2010 Sensory Inc.
P/N 80-0211-E
5
Data Sheet
SC-691
When the microcontroller sets STROBE_ high, the SC-691 sets INRDY__ high to indicate that the SC-691 is not
ready to receive any more data.
A) Sequence of events for a single write operation:
R/W
STROBE
INRDY
DATA
COMMAND/DATA
B) Read-Two speech data transfer sequences:
R/W
STROBE
INRDY
DATA
COMMAND/DATA
Figure 4: Data Transfer - Write
6
P/N 80-0211-E
© 1994-2010 Sensory Inc.
Data Sheet
SC-691
Absolute Maximum Ratings
Absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†
Supply voltage, VDD (see Note 1)
Supply current, IDD (see Note 2)
Input voltage range, VI (see Note 1)
Output voltage range, VO (see Note 1)
Storage temperature range, TA
-0.3 to 7 V
35 mA
-0.3 to VDD + 0.3 V
-0.3 to VDD + 0.3 V
-30C to 125C
WARNING:
Stressing the SC-691 beyond the “Absolute
Maximum Ratings” may cause permanent
damage. These are stress ratings only.
Operation beyond the “Operating Conditions” is
not recommended and extended exposure
beyond the “Operating Conditions” may affect
device reliability.
NOTES: 1. Unless otherwise noted, all voltages are measured with respect to VSS.
2. The total supply current includes the current out of all the I/O pins as well as the operating current of the device.
Recommended Operating Conditions
Supply voltage (with respect to VSS), VDD
CPU clock rate (as programmed), f(CPU)
Load resistance between DACP and DACM, R(DAC)
Operating free-air temperature, TA
Device functionality
MIN
3
64
32
0
MAX
5.2
12,320
MIN
100
2
2
MAX
70
UNIT
V
kHz

C
Timing Requirements
t(RESET)
t1(WIDTH)
t2(WIDTH)
Reset_ low pulse width, while VDD is within specified limits
Pulse width required prior to a negative transition at pin (PD3 or PD5 interrupt)
Pulse width required prior to a positive transition at pin (PD2 or PD4 interrupt)
UNIT
ns
1/FCPU
1/FCPU
t(RESET)
t(RESET)
Figure 5: Initialization Timing Diagram
t1(WIDTH (PD3, PD5, or F port))
t2(WIDTH (PD2, or PD4))
t1(WIDTH)
t2(WIDTH)
Figure 6: SC-691 External Interrupt Pin Pulse Width Requirements t1WIDTH and t2WIDTH
© 1994-2010 Sensory Inc.
P/N 80-0211-E
7
Data Sheet
SC-691
DC Electrical Characteristics, TA = 0 to 70C
TEST CONDITIONS
MIN TYP§ MAX UNIT
Positive going threshold
2.4
VDD = 3 V
Negative going threshold
1.8
V
Hysteresis
0.6
Threshold changes
Positive going threshold
3.3
VDD = 5.2 V
Negative going threshold
2.9
V
Hysteresis
0.4
2
3
VDD = 3 V
V
High-level input voltage
VDD = 4.5 V
3
4.5
VDD = 5.2 V
3.5
5.2
VDD = 3 V
0
1
Low-level input voltage
VDD = 4.5 V
0
1.5
V
VDD = 5.2 V
0
1.7
High-level output current per pin of I/O port
VOH = 4 V
–2
mA
Low-level output current per pin of I/O port
VOL = 0.5 V
5
mA
VDD = 4.5 V
High-level output DAC current
VOH = 4 V
–10
mA
Low-level output DAC current
VOL = 0.5 V
20
mA
Input leakage current
Excludes OSCIN
1
A
Standby current
RESET is low
0.05
10
A
Operating current
VDD = 4.5 V, FCLOCK = 12.32 MHz
15
mA
VDD = 4.5 V, DAC off, ARM set, OSC disabled
0.05
10
Supply current
VDD = 4.5 V, DAC off, ARM set, OSC enabled
40
60
A
VDD = 4.5 V, DAC off, ARM clear, OSC enabled
60
100
Input offset voltage
VDD = 4.5 V, Vref = 1 to 4.25 V
25
50
mV
F port pullup resistance
VDD = 5 V
70 150
K
RRTO = 470 K, VDD = 4.5 V, TA = 25°C,
±1% ±3%
Trim deviation
fRTO = 8.192 MHz (PLL setting = 7 Ch)‡
RRTO = 470 K, VDD = 3.5 to 5.2 V, TA = 25°C,
Voltage deviation
±1.5%
fRTO = 8.192 MHz (PLL setting = 7 Ch)‡
RRTO = 470 K, VDD = 4.5 V, TA = 0 to 70°C,
±0.03
%/°C
Temperature deviation
fRTO = 8.192 MHz (PLL setting = 7 Ch)‡
VDD = 4.5 V, TA = 25°C, R(OSC) = 470 K at ±1%,
±1%
Resistance deviation
fRTO = 8.192 MHz (PLL setting = 7 Ch)‡
PARAMETER
RESET_
VIH
VIL
IOH¶
IOL¶
IOH (DAC)
IOL (DAC)
Ilkg
I(STANDBY)
IDD†
I(SLEEP-deep)
I(SLEEP-mid)
I(SLEEP-light)
VIO
R(PULLUP)
∆f(RTO-trim)
∆f(RTO-volt)
∆f(RTO-temp)
∆f(RTO-res)
† Operating current assumes all inputs are tied to either VSS or VDD with no input currents due to programmed pullup resistors. The DAC
output and other outputs are open circuited.
‡ The best trim value is selected at nominal temperature and voltage but the deviation due to the trim error is ignored.
§ Typical voltage and current measurement taken at 25C
¶ This parameter cannot exceed 15 mA total per internal VDD pin. Port C and port D share 1 internal VDD. Ports A and G0 are used internally.
External Component Absolute Values
PARAMETER
R(RTO)
RTO external resistance
C(PLL)
PLL external capacitance
8
TEST CONDITIONS
TA = 25°C, 1% tolerance
TA = 25°C, 10% tolerance
P/N 80-0211-E
MIN
MAX
470
3300
UNIT
K
pF
© 1994-2010 Sensory Inc.
Data Sheet
SC-691
Mechanical Data
LQFP 64 PLASTICQUAD FLATPACK (10x10x1.4 mm)
Symbol
A
A1
A2
b
b1
c
c1
D
D1
E
E1
L
L1
R1
R2
S
฀
฀1
฀2
฀3
Dimension in mm
Min Nom Max
1.60
0.05
0.15
1.35 1.40 1.45
0.17 0.22 0.27
0.17 0.20 0.23
0.09
0.20
0.09
0.16
12.00 BSC
10.00 BSC
12.00 BSC
10.00 BSC
0.50 BSC
0.45 0.60 0.75
1.00 REF
0.08
0.08
0.20
0.20
0º
3.5º
7º
0º
12º TYP
12º TYP
© 1994-2010 Sensory Inc.
Dimension in inch
Min
Nom
Max
0.063
0.002
0.006
0.053 0.055 0.057
0.007 0.009 0.011
0.007 0.008 0.009
0.004
0.008
0.004
0.006
0.472 BSC
0.394 BSC
0.472 BSC
0.394 BSC
0.20 BSC
0.018 0.024 0.030
0.039 BSC
0.003
0.003
0.008
0.008
0º
3.5º
7º
0º
12º TYP
12º TYP
Notes:
A.
B.
C.
P/N 80-0211-E
All linear dimensions are in millimeters.
This drawing is subject to change without notice.
Falls within JEDEC MS-022
9
Data Sheet
SC-691
Die Bond-out Coordinates
Die Size = 147.64 x 111.02 Mil
Pad Size = 210 x 210 Mil
Units = Metric
Pad
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
64
X-Axis Min
149.00
149.00
127.40
127.40
127.40
127.40
127.30
127.40
127.30
127.30
127.30
127.45
127.30
127.30
127.30
148.00
3385.20
3472.20
3472.20
3472.20
3472.20
3472.20
3472.20
3472.20
3472.20
3472.20
3472.20
3472.20
3472.20
3450.60
3517.01
3517.01
3517.01
3516.80
3149.35
97.30
Y-Axis Min
2122.80
1961.45
1805.45
1651.45
1497.45
1343.45
1191.05
1077.95
925.45
814.15
702.85
555.50
435.50
324.20
212.90
108.10
61.50
172.75
326.75
480.75
634.75
788.75
942.75
1096.75
1250.75
1404.75
1558.75
1712.75
1866.75
2026.15
2165.85
2319.91
2473.95
2583.45
2581.75
2533.65
X-Axis Max
235.00
235.00
213.40
213.40
213.40
213.40
213.30
213.40
213.30
213.30
213.30
213.45
213.30
213.30
213.30
234.00
3471.20
3558.20
3558.20
3558.20
3558.20
3558.20
3558.20
3558.20
3558.20
3558.20
3558.20
3558.20
3558.20
3536.60
3603.01
3603.01
3603.01
3602.80
3235.35
183.30
Y- Axis Max
2208.80
2047.45
1891.45
1737.45
1583.45
1429.45
1277.05
1163.95
1011.45
900.15
788.85
641.50
521.50
410.20
298.90
194.10
147.50
258.75
412.75
566.75
720.75
874.75
1028.75
1182.75
1336.75
1490.75
1644.75
1798.75
1952.75
2112.15
2251.85
2405.91
2559.95
2669.45
2667.75
2619.65
Ordering Information
Part
SC-691 DIE
SC-691 LQFP
10
Ordering P/N
SC691
SC691-L1
Shipping P/N Description
65-0140-A
Tested, Singulated SC-691 die in waffle pack.
65-0139-A
SC-691 64 pin 10x10x1.4mm LQFP
P/N 80-0211-E
© 1994-2010 Sensory Inc.
Data Sheet
SC-691
The Interactive Speech™ Product Line
Sensory’s Interactive Speech™ product line makes consumer electronics more intelligent by enabling them to talk, hear,
move and interact with the external world using naturally sounding spoken commands-all without training and even in noisy
environments! Sensory offers both chip and software solutions that offer advanced speech recognition with hands-free
functionality, biometric speaker verification, text-to-speech (TTS) synthesis, high quality stereo music and sound effects,
robotics and LCD controls, and interactive sensing capabilities. These technologies are designed for integration into costsensitive consumer electronic applications such as home appliances, smart toys, music players and personal communication
devices. The hardware line includes the NLP-5x Natural Language Processor, the RSC-4x family of mixed signal processors,
and the SC-691 music and speech synthesis slave processor. Embedded software options include the FluentSoft™
Recognizer, which offers speech recognition technologies for non-Sensory processors and DSPs. Sensory’s BlueGenie™
Voice Interface, the first speech recognition, TTS and synthesis option for BlueTooth® enabled devices, offers hands-free
control of headsets, music players and other BlueTooth® devices.
NLP-5x Natural Language Processor and Development Tools
The NLP-5x features a high-performance 80MHz 16-bit DSP with on-chip ADC, hi-fidelity stereo DAC, microphone
preamplifiers, RAM, OTP code and constant memory, and many kinds of peripheral interfaces and control blocks. With
Sensory’s FluentChip™ 5 firmware, it provides a single chip solution capable of accurate speech recognition; text-to-speech
(TTS) synthesis with morphing; compressed speech; high fidelity music; motor and LCD control; and man-machine
interfaces (MMI) with interactive sensors. Sensory offers a complete suite of evaluation and development tools that include
the ability to create complex grammars with a natural language interface in multiple languages.
RSC-4x Family of Microcontrollers and Developer Tools
The RSC-4x (Recognition, Synthesis and Control) product family contains low-cost 8-bit speech-optimized
microcontrollers that are fully integrated and include A/D, pre-amplifier, D/A, RAM, and ROM circuitry. With Sensory’s
FluentChip™ firmware, the RSC family offers speech recognition, speaker verification, speech and music synthesis, voice
recording and playback, and an entire suite of interactive robotic and sonic networking technologies. The family is supported
by a complete suite of evaluation and development toolkits that include the ability to quickly create speaker independent
recognition sets in many languages.
SC6 Slave Processor and Tools
The SC-691 is a standard slave synthesizer that accepts compressed speech data from other microprocessors or
microcontrollers and converts it to speech. The chip operates up to 12.32 MIPS, and provides high-quality, low data-rate
speech compression and MIDI music synthesis, with unlimited speech duration using external memory. Sensory offers
hardware and software tools for analyzing speech files, editing speech data and generating coded speech.
FluentSoft™ Recognizer
The FluentSoft™ Recognizer is the engine powering the FluentSoft™ SDK. It provides a noise-robust, large-vocabulary,
speaker-independent solution with continuous digit recognition and word-spotting capabilities. This small-footprint software
recognizes thousands of words and runs on non-Sensory processors including Intel XScale, TI OMAP, and ARM9, and
supports operating systems such as MS Windows, Linux, and Symbian.
BlueGenie™ Voice Interface
The BlueGenie Voice Interface software suite runs on CSR’s BC-5 MM Kalimba DSP, and enables manufacturers of
Bluetooth products to integrate full voice control and synthetic speech output without the need for visual displays or complex
user interfacing. It frees designers to pack functionality onto small form factor Bluetooth devices and answers consumer
demand for a “Truly Hands-Free” experience.
Important notices:
Sensory Incorporated (Sensory, Inc.) reserves the right to make changes, without notice, including circuits, standard cells, and/or software, described or
contained herein in order to improve design and/or performance. Sensory, Inc. assumes no responsibility nor liability for the use of any of these products,
conveys no license or title under any patent, copyright, or mask-work right to these products, and makes no representations or warranties that these products
are free from patent, copyright, or mask-work right infringement, unless otherwise specified. Applications that are described herein for any of these products are
for illustrative purposes only. Sensory, Inc. makes no representation or warranty that such applications will be suitable for the specified use without further
testing or modification.
Safety Policy:
Sensory, Inc. products are not designed for use in any systems where malfunction of a Sensory, Inc. product can reasonably be expected to result in a personal
injury, including but not limited to life support appliances and devices. Sensory, Inc. customers using or selling Sensory Incorporated products for use in such
applications do so at their own risk and agree to fully indemnify Sensory, Inc. for any damages resulting from such improper use or sale.
4701 Patrick Henry Drive, Bldg 7 Santa Clara, CA 95054
Tel: (408) 625-3300
Fax: (408) 625-3350
© 1994-2010 SENSORY, INC.
ALL RIGHTS RESERVED.
Sensory is registered by the U.S. Patent and
Trademark Office.
All other trademarks or registered trademarks are the
property of their respective owners.
www.sensoryinc.com
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