Name: Smart Logger, Smallogger, Smart Ringer, Gnome, AVIDIUS-mobile, ANF, Nestor, Caesar

Text: WWW.Sf?EECHP-RO.COM

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Mult1-0'iannel Call Recora1ng System

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EMERGENCY.
Emergency Not1f1cat1on Systems

Nrnse Sup ress1on Software

Real-Time D1stnouteo Speecli ifranscnpt1on System

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Interactive Video Surveillance System

About the company
Speech Technology Center (STC) is an international leader in speech technology and multimodal biometrics. It has over 20 years of
research, development and implementation experience in Russia and internationally.
STC is a leading global provider of innovative, high quality systems in recording, audio and video processing and analysis, speech synthesis
and recognition, and real-time, high-accuracy voice and facial biometrics solutions. STC innovations are used in both public and commercial
sectors, from small expert laboratories, to large, distributed contact centers. to nation-wide security systems.
STC is 150-9001: 2008 certified.

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Smart Logger 11

Universal Architecture, Different Configurations for Various Tasks

Multi-Channel Call
Recording System

Smart Logger II solves practical call recording tasks in a wide range of areas, from public
safety, to security, to business transactions, and is deployable across domains, from
industrial, transport, to energy enterprises.

STC-L303

It is a flexible platform that can be sca led up from a small, compact system with several
channels to a distributed system with hundreds of channels. The software runs on MS
Windows OS. The system is easily imp lemented and is regularly verified for compliance
with the latest telecommunication solutions.

Smallogger II

Stand-Alone Audioserver with Web Interface

Stand-Alone Audio server

Smallogger II versions include miniature devices and 19"/ 1U rack audioservers
with built-in HOD.
Audio data recorded using Smallogger II is accessed using a web browser - no additional
software is required. Data is transmitted securely using HTIPS protocol.
Smallogger II is the ideal so lution for audio recording and monitoring at remote or
distributed objects.

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MULTI-CHANNEL RECORDING SYSTEMS

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Speech analytics

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Quality monitoring

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Smart Logger 11
STC-L303

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Description

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Smart Logger II supports a wide range of capabilities for call recording,
search, playback and analysis, and enables operator evaluation and
customer sat isfaction measurement.

Application
Call centers (businesses, pub lic organizations): record conversations for
safety reasons (e.g . threats, terrorist calls), customer satisfaction issues,
to monitor staff performance
Call centers of financial institutions (stock trading, banking): record
verbal communications for financial security purposes
Organizational dispatch centers (power, telephone, oil, water, gas
suppliers): record internal and external communications for subsequent
control and investigation
Police and other law enforcement agencies: lawful interception and
monitoring of conversations from mobile or fixed monitoring centers
Emergency services (fire, ambu lance, rescue): record incoming calls to
ensure efficient fo llow up

6

Crisis hotlines
Insurance companies. and many more

Main Benefits
High quality audio recordings can be used for identification purposes
Unique speech techno logies: top quality noi se reduction filters and
emotion detection analytics
Flexible platform: universal architecture. different configurations for
various tasks
Robust so lution: automatic work restoration, 24/7 /365 readiness
Seamless integration: CTI. CDR/ SMDR (SIP, H.323, Avaya, Cisco, Nortel.
etc.) support
Professional, multi-language technical support

WWW.SPEECHPRO.COM

Smart Logger II
STC-L303

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Features
• Total call recordings
• Playback with noise reduction, automatic gain control, skipping
pauses
Analysis and scorecards tools
• Screen recording
• Data archiving (CD, DVD, external repositories)
Records export and playback by usual media player
System monitoring
Discretionary access control and log user activities
• Sampling frequency: 8, 11.025, 16 or 22,050 kHz
• PCM, G.711 (A-law, µ-law) codecs
Registration of phone call related information

MULTI -CHANNEL RECORDING SYSTEMS

------------~---~------------------------

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• Real-time audio channel monitoring
• Search grids
Authorized-only access
Signal Sources
Analog and digital phone lines
E1 trunks (JSDN PRI)
• IP telephony
• Microphones (5, 12, 60 V)
Radio sets
Analog line outputs

7

Smart Logger 11
STC-L303

Interface Boards and Input Devices
Smart Logger II has a wide variety of interface boards and devices
for connecting the system to different signal sources.

Interface Boards
ers1on

Signal Sources

Interface

Daughterboards

4 analog signal sources
STC-H205/4
15-bit ADC, S/N minimum 80 dB

PCI

STC-H217 /STC-H248
for auto hook-on

STC-H205

8 analog signal sources
15-bit ADC. S/N minimum 80 dB

PCI

STC-H217/STC-H248
for auto hook-on

STC-H433

8 or 15 analog signal sources
24-bit ADC, SIN minimum 85 dB

PCI Express x 1

STC-H455 - extention to
15 signal sources

STC-H199

5 or 12 digital subscriber lines

PCI

STC-H207 - extension to
12 digital lines
STC-H455- AM/FM
8 channel receiver

STC-H199.01 El trunk

PCI

USB Device
ers1on

Signal Sources

STC-H219
_ _ _ __, 4 analog signal sources
15-bit ADC, S/N minimum 80 dB
STC-H219D

Size

Comments

130x1C0x30mm 1 - - - - - - - - - -- 60V phantom power for
microphones

Small Sized Ethernet Input Device
ers1on
STC-H355
STC-H355.1

Signal Sources
8 analog signal sources
15-bit ADC, S/N minimum 75 dB
2 digital subscriber lines
8 analog signal sources

STC-H345

2 digital subscriber lines

STC-H354

8 digital subscriber lines

STC-H357

El trunk

Size

170x 108x32 mm

19" Rack Ethernet Input Device
Capabi li ties:

Analog signal sources: 8/ 15/24/32
Digital subscriber lines: 8/ 15/24/32
E1 trunks: 1/2/3/4

8

WWW.SPEECHPRO.COM

Smart Logger II
STC-L303

Optional Software
Version

Item

Descnpt1on

Comments
Necessary module for distributed networks. Collects records in one
database and satisfies robustness requirements

STC-S352

File Server

Centralized database service

STC-S379

SMDR Analyzer

RS-232 and Ethernet connection of record- Registers subscribers' internal phone numbers whi le recording through
ing system to PBX billing ports
external analog lines and El trunks

STC-S392

CTI Analyzer

Connection of recording system to CTI PBX
Regi sters detailed information on phone calls and status of subscribers.
interfaces, communication platforms and
dispatchers and call center operators
dispatch centers

STC-S458

Video Recording
Service

PC screen registration service

Synchronous PC monitor video recording and audio recording of phone calls

STC-S437

SIP Source

SIP telephony registration

Phone call registration in corporate networks with SIP telephony and SIP
trunks by parsing IP packets

STC-S367

VoIP Source

Proprietary IP telephony registration

Phone call registration in corporate networks with Avaya, Nortel, Cisco
(etc.) protocols by parsing IP packets

STC-S472

Avaya DMCC
Source

Avaya telephony registration with
CTI-integration

Phone call registration in Avaya networks by using Service Observing,
Single Step Conferencing and Multiple Registration

STC-S394

Soft Button

Records call center operators

Call recording on demand; mode controlled by the operator

STC-S370

Fax Reader

Fax decoding

Decodes faxes into image files for viewing and printing

STC-S438

Word Transcriber Audio-to-text transcription

STC-S439

Remote Panel

Audiovisual system monitoring

Recording channel status can be monitored with software scalable panel.
Ideal for installation at dispatch centers and laboratory/high-tech facilities

STC-S391

SMS receiver

SMS Receiver

SMS registration software module received by GSM terminal connected to
the recording system

STC-S509

Notifier

Technical monitoring of recording system

Software module enables extended monitoring of recording system
operational status. Alerts can be transferred via SMS. e-mail or SNMP

MULTI-CHANNEL RECORDING SYSTEMS

Plug-i n enables text transcription in MS Word with simultaneous audio
file playback control. Text and audio can be automatically synched during
transcription

9

Smart Logger 11
STC-L303

Additional Equipment
Version

Appl1cat1on

Mixer

Connects to duplex radio recording systems
and other signal sources with four-wire
interfaces.
Size: 60x60x25 mm

STC-H300

Switch

Software switching control of signal sources
and recording channels. Switching control
through RS-232 interface. Switching schemes
may be from 121 x1to16x8
Size: 190x110x105 mm

STC-H382

Microphone with
preamplifier

Controls acoustic conditions in recording
environments. Two-wire 12V power supply
through interface boards or 1/0 recording
devices

STC-H468

Lightning guard

Protects against too-high voltage and current
surges

STC-H277

10

Item

Image

WWW.SPEECHPRO.COM

Sma llogger 11
Stand-Alone Audioservers

175mm

110mm

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Application

Smallogger II is the ideal solution for audio recording and
monitoring at remote or distributed objects. The device requires no
special software. Smallogger II works as a Linux-server connected
to the TCP/ IP network. Authorized users can access information
through a web browser installed on any PC. Data is transmitted
securely using HTIPS protocol.

MULTI-CHANNEL RECORDING SYSTEMS

RS-232
serial interface

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Signal Sources
• Microphones (12 V)
Radio sets
Analog line outputs
• Analog telephone lines FXO/FXS
• Two-wire. four-wire digital subscriber lines. S/T/U/ UpO interfaces
(ISDN BRI . proprietary PBX digital signaling)
• E1 trunks (ISDN PRI, R2)

11

Smallogger II
Stand-Alone Aud1oservers

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Features
Audio recording
Sampling frequency: 8. 11.025. 16 or 22.050 kHz
PCM. G.711 (A- law, µ-law) codecs
Registers phone call related information
Real-time audio channel monitoring
• Search grids
• Authorized-only access
• Secure data transfer via HTIPS protocol

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• Logs user activities
• Protection against password guessing
and against DDoS attacks
• MAC/ IP address white lists
Monitoring tools for several audio servers
Remote software upgrade
FTP-server operation mode
• 500 GB HOD built-in

WWW.SPEECHPRO.COM

Smallogger II
Stand-Alone Aud1oservers

The Smallogger II series includes a miniature version and a standard-frame (19 ") rack device

Version
STC-H413

Signal Sources
8 analog signal sources
16-bit ADC, S/N minimum 76 dB

Comments

Size

5V external adapter power
supply

Standalone
miniature audio
servers

Current consumption is 700mA

175x11Dx45 mm
STC-H413.1

2 digital subscriber lines
8 analog signal sources
16-bit ADC, S/N minimum 76 dB

STC-H477

2 digital subscriber lines

STC-H478

8 digital subscriber lines

STC-H479

E1 trunk

STC-H469

8 analog signal sources
16-bit ADC, S/N minimum 76 dB

STC-H560

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19"/1U rack audio
server

220 V power supply
Surge protection

16 analog signal sources
16-bit ADC, S/N minimum 76 dB

STC-H545

24 analog signal sources
16-bit ADC. S/N minimum 76 dB

STC-H469.01

2 digital subscriber lines
8 analog signal sources
16-bit ADC, S/N minimum 76 dB

STC-H513

8 digital subscriber lines

STC-H543

6 digital subscriber lines
24 analog signal sources
16-bit ADC, S/N minimum 76 dB

STC-H559

16 digital subscriber lines

STC-H544

24 digital subscriber lines

STC-H553

E1 trunk

STC-H558

2 E1 trunks

STC-H589

3 E1 trunks

1U rack audio server can be customized for the requested channel capacity and signal sources.
The following options available: 8/ 16/24/32 analog signal sources, 2/8/ 16/24/32 digital subscriber lines. 1/2/3/4 E1 trunks.

MULTI-CHANNEL RECORDING SYSTEMS

13

Smart Ringer
STC-5520.1

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Application:
Automatic 24/7 subscriber notification through IP channels and El
trunks with time zone consideration

Objectives:
• advertise goods and services, conduct marketing surveys
• connect with database subscribers automatically and transfer
calls to contact center agents
not ify employees and customers about upcoming events,
emergency situations
• inform subscribers about service interruptions (Internet service
providers, water utilities, public utilities)

EMERGENCY NOTIFICATION

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Advantages:
the system is controlled remotely using a web -browser
and any OS
tasks are created automatically based on templates
• notification initiates automatically
tasks can be personalized to individual subscribers
make up t o 100 simultaneous calls
works on Linux CentOS server

15

Smart Ringer
STC-S520.1

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Functionality:
• subscribers notification via VoIP (SIP. H.323), and E1/T1 trunks
dynamic load balancing by telephone channels. depending on the
task
• unlimited number of notification tasks
creating tasks manually or automatically based on the template
• flexible notification settings in the task template (schedule, life
time. time zones)
• sorting tasks by state and date of creation
adding lists of subscribers from spreadsheet files (.csv) to the
notification templates
detailed reports with flexible filters of notification results
creating voice messages using microphone or imported audio file
• request for re-listening the messages
• request for the call transfer to contact center agent on the
completion of the notification

16

• exporting and printing reports in a spreadsheet files (.csv)
audio recording of subscribers notification
rea l time analysis of the system's work flow
the criterion of a successful warning: on-time preview the
recording , a marker present in the message, the audio call has
been answered
importing databases into the system with spreadsheet files (.csv)
connecting the system directly to the network provider or joint
operation with PBX Cisco, Avaya, Samsung, etc.

WWW.SPEECHPRO.COM

Smart Ringer
STC-5520.1

RESULTS

TASKS
Notification speed

Notification
through digital
communication
channels

SMART
RINGER

Remote control

Automated
process of
notification

Smart Ringer Applications
Notification of personnel: security and emergency services.
In the event of an emergency, Smart Ringer immediately informs
a circle of responsible persons to take necessary measures. The
system sends the notifications to stationary or mobile phones.
Subscribers who have received messages can confirm receipt by
voice command, for example, by saying his/ her name. The system
records all notification responses.

Automatic outgoing calls: contact centers.
Smart Ringer can be used in contact centers as a separate module
for automatic outgoing calls. Once the contacts database is loaded
manually or automatically (CRM integrated database systems) and
the call script is configured, the system is ready for use.
When subscribers answer incoming calls, Smart Ringer provides
them with the desired information. If subscribers request further
information, calls are transferred to contact center agents for
follow-up.

EMERGENCY NOTIFICATION

Smart Ringer can manage a large number of calls in a short
period of time (co ld calls), w hile transferring only interested,
potential customers to ca ll centers (warm calls).
Optimize call center workforce
Reduce operating costs
Agents only answer important ca lls

Subscriber notification: telecommunication and Internet
service providers
• Inform subscribers about new services and promotions
• Alert subscribers to service interruptions or emergencies
Smart Ringer can be usefully integrated wi th an organization's
information system. It makes ca lls automatically and provides
subscribers with important or urgent information recorded using
a microphone (or from audio files). After notification has been
sent, the system creates a report that is then sent back to the
organization.

17

,I

Gnome 7.0

Advanced and User-friendly

Digital Pocket Voice Recorder
STC-H476

The newest voice-recorder in the product range, with all Gnome advantages combined.
LCD. built-in loudspeaker. external memory cards and data protection make this device the
perfect tool for security experts, journalists and business people.

Gnome-P

Convenient and Reliable

Compact Voice Stereo Recorder
STC-H368

Optimal balance in terms of size, quality and functionality, Gnome-P is voice activated,
secure, has a durable metal case and is resistant to interference from electromagnetic
radiation. The perfect device for covert recording in special operations.

Gnome-Nano

Ultra Compact and Efficient

Ultra Compact Recorder
STC-H422

The ultra compact recorder is designed for high quality digital audio recording in suboptima l
conditions in indoor and outdoor environments. One of few recorders providing continuous,
high quality, mono and stereo recording without compression using built-in or (1-2) external
microphones.

Gnome-2M

Practical and Functional

Professional Compact
Digital Recorder

Designed to achieve top performance in noisy environments. Equipped with two high quality
internal microphones or small external microphones. Wide functionality with multiple
settings via an easy-to-use interface: noise suppression. sound stretcher. quick search of
speech fragments in long recordings.

STC-H203M

AVIDIUS mobile

Multi-Functional and High Quality

Digital Video/ Audio Recorder

A top solution for experts conducting covert audio and video surveillance. Built-in LCD
enables camera installation control before investigation. Sensitive microphones provide
high quality recordings. JPEG2000 video codec guarantees sharp. reliable frame-by-frame
capture.

STC-H383

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Digital signature

Protection against unauthorized listening

PIN-code access protection

No interference from electromagnetic
radiation

SD card protection

PROFESSIONAL VI DEO AND AUDIO RECORDERS

[email protected]

Absence of side electromagnetic radiation

19

Gnome 7.0
STC-H476



39mm

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Microphone
Record
switch

Color
display

114mm

Control
buttons

Speaker

mini-USS

Microphone

SO-card

D

Connector
for
headphones

Battery
charge

Connector for
external devices

118.5 mrn,I

4GB built-in memory; optional 32 GB SD-card
Power supply: 2 "AAA" batteries

20

• 2 recording formats: PCM (without compression)
and A-law compression
Recording time (maximums):
2 hours with PCM 16, 96 kHz, stereo, 4GB
140 hours with 2x compression, 8 kHz, mono, 4GB

WWW.SPEECHPRO.COM

Gnome-P
STC-H368

48mm
Microphone

0

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75mm

I serial N' I
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Reset

112.5m1
Record
switch

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Connector
for
headphones

Mini-USS
Recording/
charging
indicator
Erase
button



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Connector for
external devices

Security Benchmark Award and 1st place diploma.
Security and Safety International Forum
(St. Petersburg, Russia)

PROFESSIONAL VIDEO AND AUDIO RECORDERS

BGB built-in memory
Power supply: U-lon battery
• Recording time (maximums):
35 hours with PCM 16, 16 kHz, stereo
280 hours with 2x compression, 8 kHz, mono

21

' Gnome-Nano
STC-H422

36mm

Record
button

Record
button

Erase
button
Recording
indicator
50mm

GNOME-Nano
Serial N"

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176mml
Erase
button
Micro-USS
Charging
indicator

0

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Connector for
external devices

'El
Microphone

Guarantee of Quality and Safety medal.
lnterpolitex International Forum
(Moscow. Russia)

22

• 2GB built-in memory
Built-in battery rechargeable from power supply (AC/DC
22DV/50Hz) or computer USB
Power supply: Li-Ion battery
Recording time (maximums):
8.5 hours with PCM 16, 16 kHz, stereo
70 hours with 2x compression, 8kHz, mono

WWW.SPEECHPRO.COM

Gnome-2M
STC-H203M

55mm
Record
switch

LCD

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Control
buttons

[email protected]
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115mm

Erase
button

Connector
for external

devices

Microphone

CF-card
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Connector for

external devices

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switch

Guarantee of Quality and Safety
medal, lnterpolitex International Forum
(Moscow, Russia)
1st place medal, Security
Technologies International Forum
(Moscow, Russia)

PROFESSIONAL VIDEO AND AUDIO RECORDERS

Flash card (CF I - up to 32 GB)
Built-in battery rechargeable from power supply {AC/DC 220V/50Hz)
or computer USB
Power supply: 2 "AAA" batteries
Recording time (maximums):
17.5 hours with PCM16, 16 kHz. stereo, 4GB
140 hours with 2x compression, 8kHz, mono

23

AVIDIUS mobile
STC-H383

59mm

Camera mode

Control
buttons

Color
display
llZmm

Microphone

Record
switch

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button

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Camera

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for external
devices

• 12 GB built-in memory
Resolution:
Video: 72Dx576/ 25 frames per second
Audio: 16 bit. stereo
Video compression algorithm: JPEG2000
High quality video and audio: resolution 72Dx576/ 25 frames per
second, audio - 16 bit, stereo
3-5 hours - audio
1.2-3 hours - video recording

24







Activation:
Manual switch
Timer (5 types)
Voice
Data transfer from device to computer through USB
Direct-current power supply extends device operation time
Built- in battery rechargeable from power supply (110-220 V)
Supports all analog camera types
Camera powered by video recorder

WWW.SPEECHPRO.COM

Technical Characteristics
Gnome Nano
Typical application

Convert recording

50x36x7.6 mm
1.85x 1.34x0.23 inches
30 g
Weight
1 oz
Gnome Manager
Settings available via
software
PC (last recording can
Listening via
be played back from
the recorder)
Size

Gnome P

Gnome 2M

AVIDIUS mobile

Gnome 7.0

Audio recording

Audio recording

Audio and video
recording

75x48x 12.5 mm
2.87x 1.85x0.5 inches
70 g
2.4 oz
Gnome Manager
software
PC (last recording can
be played back from
the recorder)

115x55x15 mm
4.52x2.16x0.6 inches
130 g
4.6 oz
Gnome 2M Manager
software

114x39x19 mm
4.48x 1.3x0.46 inches
125 g
4.5 oz
Gnome 7.0 Manager
software

112x59x 15.8 mm
4.40 x2.32x0.62 inches
180 g
6.3 oz
AV Manager
software

From the recorder
or PC

From the recorder
or PC

From the recorder
or PC
Li-Ion battery

Extended Convert
Recording

Power supply

Li-Ion battery

Li-Ion battery

2 "AAA" batteries

2 "AAA" batteries

Memory

(9 hours)
Built-in memory
(2 GB)

(30 hours)
Built-in memory
(8GB)

Sampling rate

8, 16 kHz

8. 16 kHz

Activation

Manual switch
Timer (5 types)
Voice

Manual switch
Timer (5 types)
Voice

(12 hours)
Flash card
(CF I - up to 32 GB)
6.8. 10, 16, 32,48
kHz
Manual switch
Timer (5 types)
Voice

Built-in memory
Built-in memory
(4GB)
(1.5 hours)
(micro SD up to 32 GB) (12GB)
8,11.025, 16,22.05,32,
8, 16 kHz
44.1,48,96 kHz
Manual switch
Manual switch
Timer (5 types)
Timer (5 types)
Voice
Voice

Video standard

-

-

-

PAL, NTSC

-

720x576

Picture resolution
Video compression
aig_orithm

-

-

-

JPEG2000

Frame rate

-

-

-

PAL - 1... 25 fps
NTSC - 1...30 fps

Video bit rate

-

-

-

1...20 Mbit/sec

Approximate
maximum recording
time

17.5 hours with
335 hours with
PCM 16, 16kHz,
PCM 16, 16kHz, stereo
8.5 hours with
stereo, 4GB
PCM 16, 16kHz, stereo 280 hours with 2x
140 hours with 2x
compression, mono
com_Qression, mono

11.5 hours with
PCM 16/24, 16kHz,
stereo, 4GB
84 hours with 2x
com_Qression, mono

-

Min/max operating
temperature

-5°C to 40°C
23°F to 104°F

-5°C to 40°C
23°F to 104°F

-5°C to 40°C
23°F to 104°F

-5°C to 40°C
23°F to 104°F

-5°Cto 40°C
23°F to 104°F

Features

Digital signature
PIN-code
Noise suppression

Digital signature
PIN-code
Noise suppression

Digital signature
PIN-code
Noise suppression

Digital signature
PIN-code
Noise suppression

Digital signature
PIN-code
Noise suppression

* With Duracell Plus or Ultra batteries
**With Energizer Lithium batteries

PROFESSIONAL VIDEO AND AUDIO RECORDERS

25

ANF II

Portable and Functional

Portable Device for Recording
and Noise Suppression

Professional hardware for operational use and expert analysis of recorded audio files.
Allows rea l-time audio filtering and data recording to the flash card. The device can be
controlled remote ly via web page, including settings adjustments. ANF II was designed to
be intuitive and easy to use and meets the highest standards in noise suppression.

STC-H474

Denoiser Box

Maximal efficiency - minimal size

Ultra Compact Noise Suppression
Device

Ultra-compact, easy to use and effective in broadband filtering - these are the main
features of Denoiser Box. The noise suppression is easily controlled by turning the knob on
the front panel. It is strongly recommended to fi lter an audio signal via Denoiser Box before
recording and processing to reach. The most efficient resu lts

STC-L254

Sound Cleaner

Effective and Easy to use

Noise Suppression Software

State-of-the-art noise suppression and speech enhancement software that uniquely
combines all up-to-date noise filtering algorithms and speech enhancement tools in one
product.

STC- L172

Through the filtering workflow. each filter can be easily activated and combined with the
others so that all the changes in the audio could be intelligibly heard on-the-fly

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NOISE SUPPRESSION AND SPEECH ENHANCEMENT SYSTEMS

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Stereo filter

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STC-H474

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Features
Broadband filter
Suppresses broadband and periodic noises from electric
pick-ups or mechanic vibrations. room and street noise
Low-band noise suppression mode up to 2 kHz
Reverberation suppression improves speech legibility
in hollow spaces
Tone interference filter
Suppresses power line noises; telephone busy signals and
other beeps
Adaptive equalizer
Recovers speech signals with total harmonic distortions and
equalizes signal AFC

28



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• Parametric equalizer
Weakens or amplifies high and low frequencies
Speech level enhancer
Smoothes signal volume and enhances speech
De-clicker
Removes clicks , pops and cracks
Stereo filter
Suppressing noises of all kinds through the reference channel
V-changer
Suppresses noises of all kinds through the reference channel

WWW.SPEECHPRO.COM

ANF II

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STC-H474

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Working with files:
view flash card contents
file playback
upload and download files
• process using filters

Utilities
• view device properties
• log device workflow
• PIN protection
• display backlights on/ off

Noise suppression:
turn filters on/ off
• adjust filter parameters
• work with presets

Remote control
• work via web interface
• Hypertext Transfer Protocol Secure (HTIPS)
• authorized access
• firmware updates

Sound recording:
turn recording on/ off
bypass option
• 1/0 channel selection (software option)
adjust recording parameters and start mode (manually,
automatic timer or voice)

NOISE SUPPRESSION AND SPEECH ENHANCEMENT SYSTEMS

29

Denoiser Box
STC-L254

110mm

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RedJction

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Headphones

45mm

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Bat/Ace 9V
6-ZGV

Battery
compartment

Features
Effective in decreasing broadband (industrial. street, etc.) and
harmonic noises and interference. Adaptive noise filtering
algorithms keep speech signal clear and undistorted.
Removes noise from:
• air conditioning units
office equipment, including computers
• vacuum cleaners
• radio channels
Signal bandwidth adjustable
Adjustable AGC (automatic gain control)

30

External DC
source connector
socket

Highlights
• Maximum efficiency with minimum unit size
On-the-fly adjustment of filter parameters during signal input
and playback
Easy to use and efficient in broadband filtering
Accessories: external microphone. signal input/output cables,
12 V power cable/ lighter plug, carrying case

WWW.SPEECHPRO.COM

Sound Cleaner
STC-L 172

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1st place medal and diploma, Security
Technologies International Forum
(Moscow. Russia)
1st place in noise filtering contest held
by Audio Engineering Society (Denver, USA)

Sound Cleaner operates like a mosaic.
Users can combine modules (processes) in any sequence, designing
tailor-made signal processing routines that start from sound input.
Each process in the routine receives a signal from the previous module
in the chain, applies its own algorithm and passes the processed signal
on to the next module.
The number of modules combined into a single routine is limited only
by the processing power of the PC used.

Features

• Effective suppression of all types of noises and distortions
• Adaptive filtering algorithms
Filters can be combined to process noisy recordings
simultaneously
Results saved in *.wav format
Real-time noise suppression; filter settings can be changed
without interrupting playback

NOISE SUPPRESSION AND SPEECH ENHANCEMENT SYSTEMS

Expert reports are generated automatically
Pre-set filter settings for typical I reoccuring noises
Filter settings can be saved for repeat use
Parametric equalizer combined with spectrum analyzer
• Pseudo-stereo mode
Stereo signal filtering by reference channel
Compatible with any sound editor through DirectX plug-in

31

Sound Cleaner
STC-L 172

Filters and Features
Equalizer

Adaptive Broadband Filter

One of Sound Cleaner's distinctive features is a parametric
equalizer combined with spectrum analyzer, which allows changes
to be monitored in real- time.

The adaptive broadband filter is based on an adaptive frequency
algorithm designed to suppress broadband, periodic noises and
interference from electrical pick-ups and mechanical vibrations,
interior and exterior environments, communication channels and
recording equipment.

The equalizer operates in automatic and semi-automatic modes,
and can be manually tuned to make fine spectrum adjustments.
The filter is ideal for use on recordings that contain stationary
noises, such as power-line, mechanical and engine noises, etc.
It suppresses a signa l's stationary components regardless of
frequency and location. It can also be used to raise the amplitude in
a specific spectral band.

These noises, which come across as hum, rumb ling, hisses or roars,
are nearly impossible to remove with other methods, including
one-channel adaptive filtration , spectrum smoothing and equalizers,
because they are spread across the entire spectrum and intersect
with the speech signal.

Adaptive Inverse Filtration

Adaptive Compensation

Adaptive inverse filter is based on the adaptive spectral correction
algorithm, sometimes called adaptive spectral smoothing.
Adaptive inverse filter effectively suppresses strong periodic
noises from electrical pick-ups or mechanical vibrations, thus
recovering speech signal and equalizing signal AFC. It amplifies
weaker signal components and suppresses the stronger ones at
the same time. The average spectrum therefore tends to approach
the flat spectrum unmasking the speech signal and improving its
intelligibility.

The adaptive compensation process uses an adaptive filtering
algorithm for one-channel adaptive compensation. It is most
effective for narrow-band stationary and regular interferences.
The filter adjusts itself smoothly, maintaining signal quality.
Except frequency compensation, adaptive compensation removes
both narrowband stationary interference and regular interference
(e.g. vibration , power-line pickups. noise from electrical devices,
steady music, interior environment. motor vehicle and water noise,
reverberation, etc.).

Impulse Filtration

Text Report

Adaptive impulse filter automatically restores speech and
musical fragments that have been masked or distorted by pulse
interferences, such as clicks, radio noises, knocks, etc. During
impulse filtration, Sound Cleaner suppresses these pulses by
substituting them with smoothed and weakened interpolated
signa ls, thereby effectively increasing audio signal intelligibility.

Sound Cleaner software lets users store processing parameters
and current configurations in text files, as well as upload their own
templates. The new screenshot feature lets active windows be
captured and pasted as illustrations into text files. These features
help users generate detailed, illustrated professional reports indispensible for reinforcing expert testimony in court.

Adaptive Stereo Filter

Settings and Preferences

Sound Cleaner provides two different kinds of stereo processing:
two-channel signal processing and adaptive stereo filtering.
In two-channel signal processing, the sound in each channel is
processed independently. In adaptive stereo filtering, data from a
reference channel is used to filter the signal in the primary channel.
Stereo filter is the ideal solution for recordings made from two
microphones.

Sound Cleaner lets users save all settings and tailor-made
processing routines and combinations - an invaluable feature for
repeat processing in similar environments.

32

The software also includes a spectrum saving filter that prepares
audio files for further identification analysis.

WWW.SPEECHPRO.COM

Technical specifications
Parametres

ANF ll
• Broadband Noise Filter
• Low frequency rumble suppression
Anti-Reverberation Filter
• Harmonic Reject Filter
• Equalizer
• Speech Level Enhancer
• De-Clicker
• Reference Noise Filter
• V-Changer

Deno1ser Box

.
Digital filters

Dimensions

201 x142x60 mm
7.91x5.59x2.36 inches

110x45x113 mm
4.33x 1. 77x4.45 inches

1300 g
45.86 oz.

360 g
12.7 oz.

metal

metal

Weight

Case

Memory

Power supply

Built-in SDHC flashcard up to 32GB

.

(1.5V AA)
. 4xR6
12-4V from external adaptor

Operation time
(without battery change)

Sampling rate

Interfaces

• Broadband Noise Filter
• Harmonic Reject Filter

-

. 1 U9VL-J 9 B battery
• 6-24 V from external adaptor

8 hours (minimum)*

14 hours (minimum)

8, 16, 44.1 (kHz)

11 .025 (kHz)






Analog line balanced/unbalanced inputs: XLR!TRS connector
Analog line balanced/unbalanced outputs: W TRS connector
Digital input/output: Coaxial S/PDIF format RCA connector
Telephone input/output: RJ - 11 connector
Headphones output: Yi.' 'stereo TRS connector
Network Ethernet 10/ 1DO BASE-TX
• PC interface: USB 5-pin Mini

.
.

Analog line 1/0: mini XLR
.• Headphones
output: 1.5'' stereo

* If Energizer Lithium batteries are used

NOISE SUPPRESSION AND SPEECH ENHANCEMENT SYSTEMS

33

Nestor
STC-L432

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Description
Qui ck and convenient transcription of real-time
and/ or recorded speech
Application
• Transcription of speeches and meetings
• Documentation of conferences, forums and focus
groups sessions
Transcription of court sessions

TRANSCRIPTION SYSTEMS

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Features
Multi-channel recording from audio equipment line outputs
Accelerated speech transcription achieved by automatic
distribution of audio fragments between operators
Final document revision with simu ltaneous playback of
corresponding audio fragments
• Integration with conference systems including Beyerdynamic
MCS-50 and Bosch DCN Next Generation
• Integration with other systems, e.g. legal procedures, records
management. electronic archiving

35

Nestor
STC-L432

- -_ '."':':~~~-,:-_ - -1
PV26X

Camera

Microphone (
STC-H3B2

x4/B audio, 12 B

Recording
station

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---- -----------:--:----- ~

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Manager

Stenographer

Operator

STC-H205
Main
server

Storage
®:process
server

Ethernet , 1 GB

O•

Ethernet, 1 GB

Reserve
server

Record
manager

Chronology
operator

Archiver

Complex
administrator

Coordinator

Editorproofreader

Layout
operator

Managing
editor

Reserve
recording
station

Functionality
Acoustic and vi sual quality control
Multi-channel recording of audio and video from equipment line
outputs
Automatic transfer of fragments between operators and editors
with adjustable fragment length
Simultaneous video, audio and text playback (loop, speed up/
slow down without audio distortion)
• Simultaneous video, audio and text search options
• Multiple users can edit simultaneously

36

• Supports various audio and video formats
• Audio- text correlation. Clicking on a particular text fragment
brings up the corresponding audio
• Recording remote control from conference hall or via netwo rk
• Enables text messaging between stenographers, manages
message history
• Audio and text archiving on the server
• Monitors user actions and logs workflow history
• Generates statistica l reports

WWW.SPEECHPRO.COM

Nestor
STC-L432

System Hardware
P/N
PV261/PV266

Device
Video capture board

Descnpt1on

Spec1f1cat1ons

Capture board for 4/8/ 16
channels of analog video
signal

PCI , NTSC/PAL, H.264,

Analog input/output board

4, 8, 16 channels PCl/PCI

Image

1-25 fps

STC-H205/4*
STC-H205*
STC-H433

1/0 board

STC-H317

External interface block

Pairs the 4 external audio
Symmetric XLR, DB-25F
sources with the STC-H205
header for 1/0 boards
and H205/4 boards; pairs the
4 external video sources with
the V260/PV261 /PV266 boards

STC-H333

Remote recording
control

External device with two
button indicators for remote
recording control

"Stop" button (green); "Rec"
and "Pause" button (red)

PHILIPS
LFH2320/00

Foot pedal

Foot pedal to control
audio playback during text
transcription

USS-interface

STC-H382

Microphone

Table microphone. Different
models available. Can be
located up to 1.5 km from the
record server

Voltage: 12V

Express x 1, 16/24 bit, 8-96
kHz

Microphone current drain:11
mA
Gain: 100

* Complies with CE and FCC standards.

TRANSCRIPTION SYSTEMS

37

Caesar
STC-5366

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Transcriber Caesar provides fast and easy text transcription of meetings, ~tiations ,
lect...-es, interviews and other events.
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Transcription spttd is increased 2-3 times for skilled typist and up to 5-10 times for
inexperi~ed

one

Add !WMS of a participant corwersation with hot key on the transcriber board
Afordable solution: wol'king with the typed text in the MS Windows-compatible text
editors
Linking audio fragments to tut allows transcription quality control and makes
correction an easy task
Handy means of playback control {a special pedal can be connected}
Available as plug-in for MS Word 2003/2007/2010
Available as plug-in for laptop
Ustt-friendly interface

Application
Caesar is a fast and efficient text transcriber-ideal for
generating transcripts of meetings, negotiations, lectures,
interviews and other events.
The software can provide speech documentation in real-time,
as well as transcribe pre-recorded speeches.
Functionality
Combines a multi-functional digital voice recorder and a text editor
Listening and transcribing of audio information immediately after
a sound recording has been started
• Real-time recording and simultaneous text transcription
• Oscillogram image of a sound file
• Noise suppression mode allows getting rid of constant noises in

38

the room
«Always-on-Top» mode

Features
Transcription speed increases 2-3 times for a skilled typist and up to
5- 10 times for an inexperienced one
Linking audio fragments to the text allows transcription quality
control and makes correction easier
Available as a plug-in for MS Word 2003/2007/2010
• Available for a laptop, external mirophones and digital recorders
Adaptation to any language

WWW.SPEECHPRO.COM

Technical Specifications of Transcription Systems
Parameter

Ceasar

Nest or

. 704x576 resolution, 25 fps. on-board video
Video recording

-

Audio recording

WAV. MP3. OCT

WAV

Transcription sourse

audiofiles, microphone, linear
hardware inputs

audiofiles, microphone, linear hardware inputs

compression. H.264 codec
(similar to MPEG4 part 10)

Spell check

automatic

Playack control

Noise filter

loop, fastening/slowing without audio distortion

-

broadband

manual fragment choice

Fragments transfer between operators and editors one operator

Documentation editor

automatic fragments distribution
MS Office Word 2003/2007/2010

Audio import

WAV, WMA, MP3, OGG, AC3

Transcription process visualization

-

Software and hardware reservation

-

Interface

OS compatibility

TRANSCRIPTION SYSTEMS

WAV, WMA, MP3, OGG , AC3, MPEG, MPEG2,
MPEG4, AVI , MDV

. current operators' workload
. transcription status
. record station
. system server
Windows application

Windows XP/7 (32, 64)

Windows Server 2003/2008, Windows XP/7

39

AVID IUS
STC- L373

Application

Features:

• Realization of video surveillance at different facilities
• Audio and video real-time recording

Professional quality of audio and video
Work with control panel and voice commands
• Voice notification and warning
Camera motion control: turns, angles, zooming
Recording watermarked video data
Voice activation mode
Work with archives with Time Line, as in video edit systems
Audio noise suppression

Highlights
Video surveillance in crowded places
Audio and video real-time recording in noisy environment
Ability to create an effective trespassing detection security system

VIDEO SURVEILLANCE

41

AVIDIUS
STC-L373

AVIDIUS
PV26X

System
admistrator
Ethernet

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Camera

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x4/8/16 video

tC:
- ---- ------- ----~- -~--~
STC-H205

USB
x4/8 audio, 12 B

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----------------~--~--

Control panel
STC-H340

Microphone
STC-H382

STC-H350

External
sensors

System
operator

---------------~----~---------------

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Functionality
Recording up to 64 channels per server
Recording all channels simu ltaneously with only one button
• Automatic camera motion
• Variou s modes on-screen arrangement of cameras
• Individual or group camera settings
• Audio and video survei llance through Ethernet
• Remote control from any station according to granted access
permissions
• Voice command language-independent control
• Means of control: mouse, control panel
• Instant screenshot capabilities

42

• Original control unit Shuttle-Jog for speeding up slowing down
playback
Voice recording without compression (PCM) within 10 meters
Simultaneous noise suppression of several channels
Jog Dial system for frame by frame playback
Search of event by time or selected camera
Selected segment loop playback
• Setting the hot keys
Information transmission via TCP/ IP
Voice notification and warning module based on STC TIS
patented technology Orator

WWW.SPEECHPRO.COM

AVIDIUS
STC-L373

System Hardware
P/N

PV260

STC-H340

STC-H350

STC-H205/4*
STC-H205*

STC-H382

Device

Description

Specifications

Video capture board

Capture board for
4/8/ 16 channels of
analog videosignal

PCI, NTSC/PAL. h.264
1-25 fps

'Skipetr» control panel

Speeded up, slow
and frame by frame
playback

USB HID compatible,
voltage - 5V.
Dimensions:
200x 150x40 mm
7.87x5.9x1 .57 in

Input device for
sensor signals

Arrangement and
processing of the
signals from external
sensors

USB HID compatible,
vo ltage - 5V, 16 sensors.
Dimensions:
130x100x30 mm
5.12x3.94x1.18 in

1/0 device

1/0 analog signa l device

PCI , 4 and 8
channels.ADC 16 bit,
8-16 kHz. STC-H382
microphones phantom
power

Microphone

Acoustic control of
video surveyed areas

Supply voltage: 12V
Microphone current drain:
12mA
Gain: 100

Image

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* Meets CE and FCC standard requ irments

VIDEO SURVEILLANCE

43

Technical specifications of video surveillance system
Parameter

Description

. 4CIF resolution 25 fps per channel
Video recording

• H.264 codec (simi lar to MPEG4 part 10)
• 704x576 resolution per channel (irrespective of the number of channels)
maximum frame size: 15 KB

.

Camera motion control

• RS-485 interface
• control protocols:Samsung, Pelco-0,Pelco-P, Aelc

Frame change interval in rotation mode

from 1 to 120 sec.

Export file format

AVI

Archive playback interval

from 0,5 hr to 3 days

Audio recording

kHz
.• 8-22.05
16 6111r, PCM (without compression)
• 8 bit, G.711, A- Mu-law

Types of "alarm recording "

. video detector
. audio detector
. compulsory recording
. timer

Microphone location

STC-H382 - up to 1,5 km from recording server

Noise reduction filter

broadband filter (suppression of street and office noises)

Cases of verbal notification (speech synthesis)

. movement detection
. acoustic detection
. external sensor response
. no user rights to work with the system

Voice control

Speaker dependant

External sensors quantity

up to 192

Operator interface

Windows application

OS compatibility

Windows XPNista/7 (32/ 64)

44

WWW.SPEECHPRO.COM

For notes

For notes

•••

Email [email protected] co

Algorithm accuracy:

Data security:

Uses 3 exclusive methods to
automatically compare "voice models"
against voice recordings obtained from
different sources such as cell phones,
land lines, covert recordings and
recorded investigative interviews.

Data storage and transmission are
secured by:
• HTIPS protocol
• Access rights assigned according to
operator group, rank and/or function
•Tracking and recording of all operator
actions
• Measures to eliminate password theft
in the workplace

Voice sample quality:
Handles speech patterns from various
sources, delivering high-quality results
with low-quality samples.

Web-based access:
•User-friendly software interface
•Works on any web browser

Scalability:
VoiceGridTM Nation is a universal
platform for voice data management,
operating directly on data in the lab and
networked to regional, state or national
databases.
It can be scaled on multiple levels:
• Database size
• Number of operators
• Number of computational servers

Technical support:
Two-level technical support, available
24/7, from:
• STC development
headquarters
• Local STC service centers

Integration:
Easily integrated with STC expert forensic
systems, as well as with other biometric
and non-biometric systems.

Platform independence:
• Compatible with any operating
system
•Easily integrated with existing IT
infrastructure.

Customer training:
STC specialists provide comprehensive,
hands-on training .

The VoiceGridTM
Product Line
VoiceGrid™ Nation - networked 1:N
search and voice data management
solution with unlimited database size
and unlimited web client workstation
connectivity. Distributed processing
and WAN architecture designed for
large city, county. state or national
system deployments.
VoiceGrid™ Local - single server
network solution for 1:N searches,
supports a database of up to 10,000
records and up to 10 workstations.

VoiceGrid™ X - a stand-alone
application for speaker identification
in multiple files. Performs a N:N
search of up to 100 target speakers in
up to 10,000 records per day.

VoiceGrid™ RT - a sophisticated
distributed solution for realtime speaker identification in
communication channels. phone
calls. files from mobile devices and
other sources. Integrates with voice
database up to 10.000 target speakers
which can be scaled up to millions of
processed records per day.

Voice biometrics
The human voice is a unique feature that is useful in biometric
identification over a wide range of both government and commercial
applications. It has proven value within law enforcement as an
investigative tool and within the telecommunications industry for both
identification and verification uses. Voice recording is recognized as
a non-invasive technology and therefore can be easy to introduce
in both passive and active modes across multiple markets and
applications.

(Cl)
®

Speech
Technology
Center

Russia

Germany

4 Krasutskogo street
St. Petersburg. 196084
Tel +7 812 325 8848
Fax: +7 812 327 9297
Email: [email protected]

13 Hellwigstrasse
Saarbrueken.66121
Tel +49 (0) 681 8590565
Email: [email protected]
WWW.SPEECHPRO.COM

(Cl)
®

Speech
Technology
Center

Voice Biometric Solutions:

VoiceGrid™ Nation
Automated voice biometric
system
VoiceGridTM Nation is networked 1:N search and
voice data management solution with unlimited
database size and unlimited web client workstation
connectivity. Distributed processing and WAN
architecture designed for large city, county, state or
national system deployments.

• VoiceGrid™ Nation implements, maintains and
automates a universal voice database
system at local, regional and/or national levels
• Integrated STC voice biometric capabilities
perform 1:N search and automatic
voice identification
• Forensic investigation of voice biometric data
provides admissible evidence in court
proceedings

As with the entire VoiceGrid™ product line, voice matching is accomplished through the utilization of the
STC exclusive methods of processing, segmentation, feature extraction and identification of voice samples.
This ensures the highest levels of accuracy and provides an additional and valuable tool in assisting in
investigations where voice evidence may be present such as:






Kidnapping
Extortion
Domestic Violence
Terroristic Threats
Prank or False Report Calls






Corruption
Drug Trafficking
Gang & Organized Crime
Abuse of Emergency or
911 Communication Channels

Key figures:

3 seconds
5 seconds
10 seconds

100
1'000
2,000,000

Minimum required speech pattern for analysis

Executes up to

Search/match in 10,000 voice samples

Accommodates up to

Average time for feature extraction

Stores up to

simultaneous searches

active users
samples

Document Path: ["1115-speech-technology-center-catalogue-audio.pdf"]

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