HIK VISION UD26182B User manual

Network Microphone
User Manual

Network Microphone • User Manual
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Legal Information
©2022 Hangzhou Hikvision Digital Technology Co., Ltd. All rights reserved.
About this Manual
The Manual includes instructions for using and managing the Product. Pictures, charts, images and all other
information hereinafter are for description and explanation only. The information contained in the Manual is subject
to change, without notice, due to firmware updates or other reasons. Please find the latest version of this Manual at
the Hikvision website (https://www.hikvision.com/).
Please use this Manual with the guidance and assistance of professionals trained in supporting the Product.
Trademarks
and other Hikvision’s trademarks and logos are the properties of Hikvision in various jurisdictions.
Other trademarks and logos mentioned are the properties of their respective owners.
Disclaimer
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THIS MANUAL AND THE PRODUCT DESCRIBED, WITH ITS
HARDWARE, SOFTWARE AND FIRMWARE, ARE PROVIDED “AS IS” AND “WITH ALL FAULTS AND ERRORS”. HIKVISION
MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, MERCHANTABILITY,
SATISFACTORY QUALITY, OR FITNESS FOR A PARTICULAR PURPOSE. THE USE OF THE PRODUCT BY YOU IS AT YOUR
OWN RISK. IN NO EVENT WILL HIKVISION BE LIABLE TO YOU FOR ANY SPECIAL, CONSEQUENTIAL, INCIDENTAL, OR
INDIRECT DAMAGES, INCLUDING, AMONG OTHERS, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS
INTERRUPTION, OR LOSS OF DATA, CORRUPTION OF SYSTEMS, OR LOSS OF DOCUMENTATION, WHETHER BASED ON
BREACH OF CONTRACT, TORT (INCLUDING NEGLIGENCE), PRODUCT LIABILITY, OR OTHERWISE, IN CONNECTION WITH
THE USE OF THE PRODUCT, EVEN IF HIKVISION HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR LOSS.
YOU ACKNOWLEDGE THAT THE NATURE OF THE INTERNET PROVIDES FOR INHERENT SECURITY RISKS, AND HIKVISION
SHALL NOT TAKE ANY RESPONSIBILITIES FOR ABNORMAL OPERATION, PRIVACY LEAKAGE OR OTHER DAMAGES
RESULTING FROM CYBER-ATTACK, HACKER ATTACK, VIRUS INFECTION, OR OTHER INTERNET SECURITY RISKS;
HOWEVER, HIKVISION WILL PROVIDE TIMELY TECHNICAL SUPPORT IF REQUIRED.
YOU AGREE TO USE THIS PRODUCT IN COMPLIANCE WITH ALL APPLICABLE LAWS, AND YOU ARE SOLELY RESPONSIBLE
FOR ENSURING THAT YOUR USE CONFORMS TO THE APPLICABLE LAW. ESPECIALLY, YOU ARE RESPONSIBLE, FOR
USING THIS PRODUCT IN A MANNER THAT DOES NOT INFRINGE ON THE RIGHTS OF THIRD PARTIES, INCLUDING
WITHOUT LIMITATION, RIGHTS OF PUBLICITY, INTELLECTUAL PROPERTY RIGHTS, OR DATA PROTECTION AND OTHER
PRIVACY RIGHTS. YOU SHALL NOT USE THIS PRODUCT FOR ANY PROHIBITED END-USES, INCLUDING THE
DEVELOPMENT OR PRODUCTION OF WEAPONS OF MASS DESTRUCTION, THE DEVELOPMENT OR PRODUCTION OF
CHEMICAL OR BIOLOGICAL WEAPONS, ANY ACTIVITIES IN THE CONTEXT RELATED TO ANY NUCLEAR EXPLOSIVE OR
UNSAFE NUCLEAR FUEL-CYCLE, OR IN SUPPORT OF HUMAN RIGHTS ABUSES.
IN THE EVENT OF ANY CONFLICTS BETWEEN THIS MANUAL AND THE APPLICABLE LAW, THE LATTER PREVAILS.

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Regulatory Information
FCC Information
Please take attention that changes or modification not expressly approved by the party
responsible for compliance could void the user’s authority to operate the equipment.
FCC Compliance
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed and used
in accordance with the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at his own expense.
FCC Conditions
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received, including interference that may cause
undesired operation.
EU Conformity Statement
This product and - if applicable - the supplied accessories too are marked with "CE" and
comply therefore with the applicable harmonized European standards listed under the
EMC Directive 2014/30/EU, the LVD Directive 2014/35/EU, the RoHS Directive
2011/65/EU.
2012/19/EU (WEEE directive): Products marked with this symbol cannot be disposed of
as unsorted municipal waste in the European Union. For proper recycling, return this
product to your local supplier upon the purchase of equivalent new equipment, or
dispose of it at designated collection points. For more information see: www.recyclethis.info
2006/66/EC (battery directive): This product contains a battery that cannot be disposed
of as unsorted municipal waste in the European Union. See the product documentation
for specific battery information. The battery is marked with this symbol, which may
include lettering to indicate cadmium (Cd), lead (Pb), or mercury (Hg). For proper recycling, return
the battery to your supplier or to a designated collection point. For more information see:
www.recyclethis.info
Industry Canada ICES-003 Compliance
This device meets the CAN ICES-3 (A)/NMB-3(A) standards requirements.
Safety Instructions
Warnings
Laws and Regulations
The device should be used in compliance with local laws, electrical safety regulations, and fire
prevention regulations.
Electrical Safety

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Use a power adapter provided by qualified manufacturers. It is recommended to provide an
independent power adapter for each device as adapter overload may cause over-heating or a fire
hazard.
Cautions
Fire Prevention
No naked flame sources, such as lighted candles, should be placed on the equipment.
The serial port of the equipment is used for debugging only.
Maintenance
If the product does not work properly, please contact your dealer or the nearest service center.
We shall not assume any responsibility for problems caused by unauthorized repair or
maintenance.
Installation
Install the equipment according to the instructions in this manual.
To prevent injury, this equipment must be securely attached to the floor/wall in accordance with
the installation instructions.
Make sure that the power has been disconnected before you wire, install, or disassemble the
device.
Transportation
Keep the device in original or similar packaging while transporting it.
Do not drop the product or subject it to physical shock.
Using Environment
To avoid heat accumulation, good ventilation is required for a proper operating environment.
DO NOT expose the device to extremely hot, cold, dusty, corrosive, saline-alkali, or damp
environments. For temperature and humidity requirements, see device specification.

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Contents
Chapter 1 Overview....................................................................................................................1
Product Features................................................................................................................................................... 1
Packing List............................................................................................................................................................ 1
Appearance and Interfaces ................................................................................................................................... 2
Connection............................................................................................................................................................ 2
1.4.1 Type I.......................................................................................................................................................... 2
1.4.2 Type II......................................................................................................................................................... 3
Chapter 2 Installation and Application........................................................................................5
Installation ............................................................................................................................................................ 5
2.1.1 Ceiling Mounting........................................................................................................................................ 5
2.1.2 Pendant Mount.......................................................................................................................................... 5
Cable Routing........................................................................................................................................................ 7
Indicator................................................................................................................................................................ 7
Chapter 3 Web Configuration .....................................................................................................8
Device Activation and Accessing.......................................................................................................................... 8
Activate Device..................................................................................................................................................... 8
3.2.1 Activate Device via Web Browser............................................................................................................. 8
Access Device via Web Browser .......................................................................................................................... 9
3.3.1 Plug-in Installation ..................................................................................................................................... 9
Live View ............................................................................................................................................................... 9
Storage Settings .................................................................................................................................................... 9
3.5.1 eMMC ........................................................................................................................................................ 9
3.5.2 Memory Card........................................................................................................................................... 10
Audio Settings..................................................................................................................................................... 10
3.6.1 Basic Settings........................................................................................................................................... 10
3.6.2 Set Audio Scene ....................................................................................................................................... 11
Network Settings................................................................................................................................................ 12
3.7.1 TCP/IP ...................................................................................................................................................... 12
3.7.2 Port .......................................................................................................................................................... 12
System and Security ........................................................................................................................................... 13
3.8.1 View Device Information ........................................................................................................................ 13
3.8.2 Restore and Default ................................................................................................................................ 13
3.8.3 Import and Export Configuration File ..................................................................................................... 13
3.8.4 Reboot ..................................................................................................................................................... 14
3.8.5 Upgrade ................................................................................................................................................... 14
3.8.6 View Open Source Software License ...................................................................................................... 14
3.8.7 Time and Date ......................................................................................................................................... 14
3.8.8 Security .................................................................................................................................................... 15
Chapter 4 FAQ..........................................................................................................................17

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Chapter 1 Overview
Product Features
The main features of the network microphone are as follow:
Adopts multi-mic array, picking up sounds in the radius up to 10 meters.
The built-in digital circuit is embedded with DSP processing unit and AGC technology to
realize clear sound with high fidelity.
With multi-mic array design and self-adaptive beamforming technology, the microphone
reduces reverberation effectively.
Supports accessing echo reference signal via line in interface, and with AEC algorithm,
the microphone suppresses echo effectively.
Supports 5-level noise reduction and auto noise reduction, avoiding environmental
noise.
The indicator is convenient for troubleshooting.
Supports configuring parameters, updating software, and maintaining via network. The
network audio stream can access to the camera, back-end device or Speech-to-Text
Platform.
32 kHz high audio sampling rate for Hi-Fi sound.
Supports POE power supply.
For detailed function, refer to the actual device.
Packing List
Check the package contents and make sure that the device in the package is in good condition and
all the assembly parts are included.

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Packing List
Item
Description
Amount
Microphone
1
User Manual
1
Screws
1
Installation Plate
1
Appearance and Interfaces
DC12VIN
+
-
Indicator
Line out
Power Cord
Network Cable
Installation
Plate
Reset
Type I
Indicator
Line out
Power Cord
Network Cable
Line in
Installation
Plate
Reset
Type II
Connection

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The device supports POE power supply and the using scenarios of the microphone are as follow:
Camera
Power Cord
Line out
DC
VIN G
LINE_OUT
G
OUT+ OUT-
Network Cable
Education
Sharing System
Using Scenario I
Connect the device with the camera.
Power Adapter
Camera
Network Cable
Power Cord
Line out
DC
VIN G
LINE_OUT
G
OUT+ OUT-
Using Scenario II
Connect the device with the education sharing system by adapter cable.

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Line in
Line out
Audio out
Audio in
Power Adapter
Adapter Cable
Education
Sharing System
Camera
Microphone
Power Cord
Network Cable
Using Scenario III
Type II microphone can also directly connect to the education sharing system. Refer to Figure
1-3 for detailed information.
If you don’t have an education sharing system, you can connect the microphone to a POE
switch to get powered on.

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Chapter 2 Installation and Application
Installation
Before you start
Both ceiling and pendant mounting are suitable for the device. The supplied screws are for ceiling
mounting. The bracket for pendant mounting shall be purchased separately.
Fix the installation plate to the ceiling with three KA4 × 22 screws.
(Optional) For cement wall, drill the screw holes with a 5.5 mm drill and insert the supplied wall
plugs before installation.
Fix the Installation Plate
Remove the stick in the cable slot and snap the cable in the slot.
Fit the microphone onto the installation plate.
Turn the microphone as the figure below until it snaps into the installation plate.
Install the Microphone to Ceiling
Fix the bracket on the ceiling with four M6 metal expansion bolts.

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Fix the Bracket
Fix the installation plate to the bracket with four SC-KM4 × 8 screws.
Fix the Installation Plate
Refer to steps 2 to 3 of 2.1.1 Ceiling Mounting to finish installation.
Install the Microphone

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Cable Routing
It is recommended to use RVVP 2 × 1.0 shielded cable.
DO NOT install the microphone near the power adapter, power transformer, or mains
electricity circuit.
It is recommended to use an external linear regulated power supply.
The audio cable length should be shorter than 30 meters.
Indicator
Status
Description
Solution
No Light
No Power
Change the power adapter,
and check if the power
supply is normal.
Solid Red
Device Exception
Restart the device. If the red
light is still on, and the
camera has no sound, send
the device to the factory
repair.
Solid White
Normally Working
/

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Chapter 3 Web Configuration
Device Activation and Accessing
To protect the security and privacy of the user account and data, you should set a login password
to activate the device when accessing the device via network.
Note
Refer to the user manual of the software client for the detailed information about the client
software activation.
Activate Device
The device needs to be activated by setting a strong password before use. This part introduces
activation using different client tools.
Use web browser to activate the device. For the device with the DHCP enabled by default, use
SADP software or PC client to activate the device.
Before You Start
Make sure your device and your PC connect to the same LAN.
Steps
1. Change the IP address of your PC to the same subnet as the device.
The default IP address of the device is 192.168.1.64.
2. Open a web browser and input the default IP address.
3. Create and confirm the admin password.
Caution
STRONG PASSWORD RECOMMENDED-We highly recommend you create a strong password of
your own choosing (using a minimum of 8 characters, including upper case letters, lower case
letters, numbers, and special characters) in order to increase the security of your product. And
we recommend you reset your password regularly, especially in the high security system,
resetting the password monthly or weekly can better protect your product.
4. Click OK to complete activation and enter Live View page.
5. Modify IP address of the device.
1) Go to Configuration → Network → Network Settings → TCP/IP

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2) Change IP address.
3) Save the settings.
Access Device via Web Browser
Steps
1. Open the web browser.
2. Input IP address of the device to enter the login interface.
3. Input user name and password.
4. Click Login.
5. Download and install appropriate plug-in for your web browser.
Certain operation systems and web browser may restrict the display and operation of the device
function. You should install plug-in or complete certain settings to ensure normal display and
operation. For detailed restricted function, refer to the actual device.
Operating System
Web Browser
Operation
Windows
Internet Explorer 10+
Follow pop-up prompts to
complete plug-in installation.
Google Chrome 57+
Mozilla Firefox 52+
Click to download and
install plug-in.
Live View
It introduces the live view parameters and audio listening operations.
Steps
1. Go to Configuration → Audio →Parameter Settings, and click Start Listening to listen the
real-time sound, and the audio waveform shows on the live view image.
2. Hovering the mouse over Record to Local Device to set saving path.
3. Click Record to Local Device, the device starts recording audio to local device. Click again to
stop recording.
What to do next
You can also go to Configuration → Local to set the audio file saving path in Local Saving Path.
Storage Settings
This part introduces the configuration of several common storage paths.

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eMMC, short for embedded multimedia card, is an embedded non-volatile memory system. It is
able to store the audio file of the device if the device does not have memory card or the memory
card is abnormal.
Note
If the device has a memory card and the status is normal, eMMC is invalid.
Steps
1. Go to Security and Maintenance → Maintenance → Original Data Recording.
2. Select Record to EMMC.
3. Click Start Listening to listen the real-time sound, and the audio waveform shows on the live view image.
4. Hovering the mouse over Record to Flash Memory to set saving path.
5. Click Record to Flash Memory, the device starts recording audio to local device. Click again to stop recording.
Before You Start
Insert a new or unencrypted memory card to the device. For detailed installation, refer to Quick
Start Guide of the device.
If the memory card status is abnormal or the card does not match the file system (the device only
supports the memory card in FAT32 format), click Format to initialize the memory card.
When the status turns to Normal, the card is ready to use.
Steps
1. Go to Security and Maintenance → Maintenance → Original Data Recording.
2. Select Record to SD.
3. Enable Record to Memory Card, and the device starts recording.
4. Set custom file name. Enter the custom name in the Add Custom File Name text box and click
Add, and the custom name will be added after the default name.
Note
The custom file name takes effect in a new recording.
The device creates a recording file every 10 minutes to the memory card.
In Recording File, you can download or delete the audio file.
Audio Settings
Set basic audio parameters, such as volume, audio encoding, and noise reduction.
Steps
1. Go to Configuration → Audio → Parameter Settings.
Output Volume

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Adjust the output volume of the device according to need.
Noise Reduction Level
Enable the function in noisy environment. The higher the value of the noise reduction, the
better capacity of the noise suppression.
Audio Encoding
Select the type of the audio encoding according to the platform or custom demand.
Sampling Rate
The higher the value of the sampling rate, the higher quality of the sound.
Audio Stream Bitrate
It can only be set under AAC encoding.
2. Optional: Go to Configuration →Audio → Educational Audio Settings, and enable Echo
Suppression to suppress the echo effectively for online class or video conference.
Note
The function is only supported by certain model.
Three scenes can be set. You can quick select the set scene according to the actual environment,
and slightly adjust the parameters.
Steps
1. Go to Configuration → Audio → Parameter Settings → Advanced Settings.
2. Select a scene No.
3. Set the following audio parameters.
Dereverberation Level
The higher the value, the better capacity of the dereverberation. When the dereverberation
is strong, raise the value to get clear sound.
AGC Level
The higher the value, the louder the small audio signal. It is recommended to set the value
below 30.
AGC Rate
The higher the value, the better capacity of suppressing the interference audio signal. It is
recommended to set the value between 2 to 3.
Smart Noise Reduction
It suppresses certain transient noise, such as claps, keyboard knock, sound of falling and
closing the door. The function is off by default.
4. Click Save to save the settings.
5. Click Reset to restore the settings to factory default.

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Network Settings
TCP/IP settings must be properly configured before you operate the device over network.
Go to Configuration → Network → Network Settings → TCP/IP for parameter settings.
NIC Type
Select a NIC (Network Interface Card) type according to your network condition.
IPv4
Two IPv4 modes are available.
DHCP
The device automatically gets the IPv4 parameters from the network if you check DHCP. The
device IP address is changed after enabling the function. You can use SADP to get the device
IP address.
Note
The network that the device is connected to should support DHCP (Dynamic Host
Configuration Protocol).
Manual
You can set the device IPv4 parameters manually. Input IPv4 Address, IPv4 Subnet Mask, and
IPv4 Default Gateway, and click Test to see if the IP address is available.
The device port can be modified when the device cannot access the network due to port conflicts.
Caution
Do not modify the default port parameters at will, otherwise the device may be inaccessible.
Go to Configuration → Network → Network Service for port settings.
HTTP Port
It refers to the port through which the browser accesses the device. For example, when the
HTTP Port is modified to 81, you need to enter http://192.168.1.64:81 in the browser for login.
RTSP Port
It refers to the port of real-time streaming protocol.
HTTPS Port
HTTPS is a network protocol that enables encrypted transmission and identity authentication,
which improves the security of remote access.

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System and Security
It introduces system maintenance, system settings and security management, and explains how to
configure relevant parameters.
You can view device information, such as Device No., Model, Serial No. and Firmware Version.
Enter Configuration → System → System Settings → Basic Information to view the device
information.
Restore and Default helps restore the device parameters to the default settings.
Steps
1. Go to Security and Maintenance → Maintenance → Backup and Reset.
2. Click Restore or Default according to your needs.
Restore
Reset device parameters, except user information, IP parameters to
the default settings.
Default
Reset all the parameters to the factory default.
Note
Be careful when using this function. After resetting to the factory
default, all the parameters cannot be recovered.
It helps speed up batch configuration on other devices with the same parameters.
Steps
1. Export configuration file.
1) Go to Security and Maintenance → Maintenance → Backup and Reset →Backup.
2) Click Export and input the encryption password to export the current configuration file.
3) Set the saving path to save the configuration file in local computer.
2. Import configuration file.
1) Access the device that needs to be configured via web browser.
2) Go to Security and Maintenance → Maintenance → Backup and Reset → Import Config.
File.
2) Click to select the saved configuration file.
3) Input the encryption password you have set when exporting the configuration file.
4) Click Import.

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You can reboot the device via browser.
Go to Security and Maintenance → Maintenance → Reboot, and click Reboot.
Before You Start
You need to obtain the correct upgrade package.
Caution
DO NOT disconnect power during the process, and the device reboots automatically after upgrade.
Steps
1. Go to Security and Maintenance → Maintenance → Upgrade.
2. Click to select the upgrade file.
3. Click Upgrade.
Click on the web page, and click View Licenses.
You can configure time and date of the device by configuring time zone and time synchronization.
Synchronize Time Manually
Steps
1. Go to Configuration → System → System Settings → Time Settings.
2. Select Time Zone.
3. Click Manual Time Sync.
4. Choose one time synchronization method.
–Select Set Time, and manually input or select date and time from the pop-up calendar.
–Check Sync. with computer time to synchronize the time of the device with that of the local
PC.
5. Click Save.
Set NTP Server
You can use NTP server when accurate and reliable time source is required.
Before You Start
Set up a NTP server or obtain NTP server information.
Steps
1. Go to Configuration → System → System Settings → Time Settings.
2. Select Time Zone.
3. Click NTP.

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4. Set Server Address, NTP Port and Interval.
Note
Server Address is NTP server IP address.
5. Click Test to test server connection.
6. Click Save.
You can improve system security by setting security parameters.
SSH
Secure Shell (SSH) is a cryptographic network protocol for operating network services over an
unsecured network.
Go to Security and Maintenance → Maintenance → Debug Device to enable the function.
Caution
Use the function with caution. The security risk of device internal information leakage exists when
the function is enabled.
Illegal Login Lock
It helps to improve the security when accessing the device via Internet.
Go to Security and Maintenance → Security → Login Management, and enable Illegal Login Lock.
Illegal Login Attempts
When your login attempts with the wrong password reach the set times, the device is locked.