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Extron Certified DSP Bundle for Microsoft Teams - Large Room User Guide
Mar 29, 2022 — Trademarks. All trademarks mentioned in this guide are the properties of their respective owners. The following registered trademarks ( ), registered ...
29 mars 2022 — ATTENTION: This symbol, , when used on the product, is intended to alert the user of important operating and maintenance (servicing) instructions in the ...
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DocumentDocumentSetup Guide
DSP Bundle
Extron Certified DSP Bundle for Microsoft Teams Rooms Large Room
Microsoft Teams Rooms Certified Design Solution
68372650 Rev. B 02 22
Safety Instructions
Safety Instructions · English WARNING: This symbol, , when used on the product, is intended to alert the user of the presence of uninsulated dangerous voltage within the product's enclosure that may present a risk of electric shock.
ATTENTION: This symbol, , when used on the product, is intended to alert the user of important operating and maintenance (servicing) instructions in the literature provided with the equipment.
For information on safety guidelines, regulatory compliances, EMI/EMF compatibility, accessibility, and related topics, see the Extron Safety and Regulatory Compliance Guide, part number 68-290-01, on the Extron website, www.extron.com.
Sicherheitsanweisungen · Deutsch WARUNG: Dieses Symbol auf demProdukt soll den Benutzer darauf aufmerksam machen, dass im Inneren des Gehäuses dieses Produktes gefährliche Spannungen herrschen, die nicht isoliert sind und die einen elektrischen Schlag verursachen können.
VORSICHT: Dieses Symbol auf dem Produkt soll dem Benutzer in der im Lieferumfang enthaltenen Dokumentation besonders wichtige Hinweise zur Bedienung und Wartung (Instandhaltung) geben.
Weitere Informationen über die Sicherheitsrichtlinien, Produkthandhabung, EMI/EMF-Kompatibilität, Zugänglichkeit und verwandte Themen finden Sie in den Extron-Richtlinien für Sicherheit und Handhabung (Artikelnummer 68-290-01) auf der Extron-Website, www.extron.com.
Instrucciones de seguridad · Español ADVERTENCIA: Este símbolo, , cuando se utiliza en el producto, avisa al usuario de la presencia de voltaje peligroso sin aislar dentro del producto, lo que puede representar un riesgo de descarga eléctrica.
ATENCIÓN: Este símbolo, , cuando se utiliza en el producto, avisa al usuario de la presencia de importantes instrucciones de uso y mantenimiento estas estan incluidas en la documentación proporcionada con el equipo.
Para obtener información sobre directrices de seguridad, cumplimiento de normativas, compatibilidad electromagnética, accesibilidad y temas relacionados, consulte la Guía de cumplimiento de normativas y seguridad de Extron, referencia 68-290-01, en el sitio Web de Extron, www.extron.com.
Instructions de sécurité · Français
AVERTISSEMENT : Ce pictogramme, , lorsqu'il est utilisé sur le produit, signale à l'utilisateur la présence à l'intérieur du boîtier du produit d'une tension électrique dangereuse susceptible de provoquer un choc électrique.
ATTENTION : Ce pictogramme, , lorsqu'il est utilisé sur le produit, signale à l'utilisateur des instructions d'utilisation ou de maintenance importantes qui se trouvent dans la documentation fournie avec l'équipement.
Pour en savoir plus sur les règles de sécurité, la conformité à la réglementation, la compatibilité EMI/EMF, l'accessibilité, et autres sujets connexes, lisez les informations de sécurité et de conformité Extron, réf. 68290-01, sur le site Extron, www.extron.com.
Istruzioni di sicurezza · Italiano
AVVERTENZA: Il simbolo, , se usato sul prodotto, serve ad avvertire l'utente della presenza di tensione non isolata pericolosa all'interno del contenitore del prodotto che può costituire un rischio di scosse elettriche.
ATTENTZIONE: Il simbolo, , se usato sul prodotto, serve ad avvertire l'utente della presenza di importanti istruzioni di funzionamento e manutenzione nella documentazione fornita con l'apparecchio.
Per informazioni su parametri di sicurezza, conformità alle normative, compatibilità EMI/EMF, accessibilità e argomenti simili, fare riferimento alla Guida alla conformità normativa e di sicurezza di Extron, cod. articolo 6829001, sul sito web di Extron, www.extron.com.
Instrukcje bezpieczestwa · Polska
OSTRZEENIE: Ten symbol, , gdy uywany na produkt, ma na celu poinformowa uytkownika o obecnoci izolowanego i niebezpiecznego napicia wewntrz obudowy produktu, który moe stanowi zagroenie poraenia prdem elektrycznym.
UWAGI: Ten symbol, , gdy uywany na produkt, jest przeznaczony do ostrzegania uytkownika wane operacyjne oraz instrukcje konserwacji (obslugi) w literaturze, wyposaone w sprzt.
Informacji na temat wytycznych w sprawie bezpieczestwa, regulacji wzajemnej zgodnoci, zgodno EMI/EMF, dostpnoci i Tematy pokrewne, zobacz Extron bezpieczestwa i regulacyjnego zgodnoci przewodnik, cz numer 68-290-01, na stronie internetowej Extron, www.extron.com.
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Copyright © 2022 Extron. All rights reserved. www.extron.com
Trademarks All trademarks mentioned in this guide are the properties of their respective owners. The following registered trademarks (®), registered service marks (SM), and trademarks (TM) are the property of RGB Systems, Inc. or Extron (see the current list of trademarks on the Terms of Use page at www.extron.com):
Registered Trademarks (®)
Extron, Cable Cubby, ControlScript, CrossPoint, DTP, eBUS, EDID Manager, EDID Minder, eLink, Flat Field, FlexOS, Glitch Free, Global Configurator, Global Scripter, GlobalViewer, Hideaway, HyperLane, IP Intercom, IP Link, Key Minder, LinkLicense, LockIt, MediaLink, MediaPort, NAV, NetPA, PlenumVault, PoleVault, PowerCage, PURE3, Quantum, ShareLink, Show Me, SoundField, SpeedMount, SpeedSwitch, StudioStation, System INTEGRATOR, TeamWork, TouchLink, VLock, VNMatrix, VoiceLift, WallVault, WindoWall, XPA, XTP, XTP Systems, and ZipClip
Registered Service Mark(SM) : S3 Service Support Solutions
Trademarks (TM)
AAP, AFL (AccuRATE Frame Lock), ADSP (Advanced Digital Sync Processing), AVEdge, CableCover, CDRS (Class D Ripple Suppression), Codec Connect, DDSP (Digital Display Sync Processing), DMI (Dynamic Motion Interpolation), Driver Configurator, DSP Configurator, DSVP (Digital Sync Validation Processing), EQIP, Everlast, FastBite, Flex55, FOX, FOXBOX, IP Intercom HelpDesk, MAAP, MicroDigital, OptiTorque, PendantConnect, ProDSP, QSFPC (QuickSwitch Front Panel Controller), Room Agent, ScopeTrigger, SIS, Simple Instruction Set, SkewFree, SpeedNav, TripleAction Switching, True4K, True8K, VectorTM 4K, WebShare, XTRA, and ZipCaddy
FCC Class B Notice
NOTE: 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, and (2) This device must accept any interference received, including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules. These limits provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. There is no guarantee that interference will not occur. If this equipment does cause interference to radio or television reception, which can be determined by turning the equipment off and on, you are encouraged to try to correct the interference by one or more of the following measures:
· Reorient or relocate the receiving antenna.
· Increase the separation between the equipment and receiver.
· Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
· Consult the dealer or an experienced radio/TV technician for help.
In order to maintain compliance with FCC regulations, shielded cables must be used with this equipment. Operation with non-approved equipment or unshielded cables is likely to result in interference to radio and TV reception. The user is cautioned that changes and modifications made to the equipment without the approval of the manufacturer could void the user's authority to operate this equipment.
NOTE: For more information on safety guidelines, regulatory compliances, EMI/EMF compatibility, accessibility, and related topics see the Extron Safety and Regulatory Compliance Guide on the Extron website.
Conventions Used in this Guide
Notifications
The following notifications are used in this guide: DANGER: · Will result in serious injury or death. · Entraînera des blessures graves ou la mort.
ATTENTION: · Risk of property damage. · Risque de dommages matériels.
NOTE: A note draws attention to important information.
Specifications Availability
Product specifications are available on the Extron website, https://www.extron.com.
Extron Glossary of Terms
A glossary of terms is available at http://www.extron.com/technology/glossary.aspx.
Contents
Introduction................................................ 1 About this Guide................................................... 1 Overview.............................................................. 1 Requirements....................................................... 1 Application Diagrams............................................ 2 Installation Details................................................. 3 Speaker Installation.......................................... 3
Configuring Extron Certified DSP Bundle for Microsoft Teams Rooms Large Room................................................ 4
Configuration Overview......................................... 4 Sennheiser TeamConnect Ceiling 2 Setup............ 4
Sennheiser TeamConnect Ceiling 2................... 4 Dante Controller Setup......................................... 6
Creating Subscriptions Between Sennheiser TCC2 and Extron DMP 128 Plus C V AT ......... 6 Extron DMP 128 Plus C V AT Setup................... 10 USB Naming.................................................. 12 Edit Macros.................................................... 13 Microsoft Teams Rooms Setup........................... 15
Advanced Settings and Troubleshooting........................................ 17
DMP Plus Acoustic Echo Cancellation (AEC)................................................................. 17
AEC Setup Overview...................................... 17 AEC Dialog..................................................... 17 Noise Cancellation.......................................... 19 Advanced AEC Controls................................. 19 Technical Support............................................... 19
Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Contents vi
Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Contentsvii
Introduction
This section provides an overview of the Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room. Topics include: · About this Guide · Overview · Requirements · Application Diagrams
About this Guide
This guide describes the integration of the Extron Certified DSP Bundle for Microsoft® Teams Rooms - Large Room system.
Overview
Microsoft and Extron have come together to provide Microsoft Teams Rooms solutions with our certified hardware. Now it is easier than ever to stay connected with flexibility of realtime collaboration from anywhere. The products in our Microsoft Teams Rooms Certified Design Solutions have been designed and meticulously tested for best in class performance and ease of use.
Requirements
Product DMP 128 Plus C V AT
XPA U 1004 SB SF 26CT LP SPK14P USB CFG Cable Audio Cable
Network Cable Network Cable
Product TeamConnect Ceiling 2 SL CM EB US
Extron Equipment List Description
12x8 Digital Matrix Processor w/ AEC, VoIP, & Dante Four-Channel Bridgeable Output Amplifier 6.5" Two-Way Ceiling Speakers, 70/100V, Pair 14 AWG Plenum Speaker Cable - 150'(45.7 m) USB A Male to USB Mini B Male 6' (1.8 m) Balanced audio cable for Audio DSP output to Amplifier Input - 6' (1.8 m) Cat-6 Plenum network cable - 50' (15.2 m) Cat-6 Non-Plenum network cable - 6' (1.8 m)
Quantity 1
1 2 1 1 1
2 1
Sennheiser Equipment List Description
Beamforming Ceiling Microphone array Ceiling Mic Extension Brackets US
Quantity 1 1
Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Introduction 1
Product MTR Computer
Network Switch Windows computer or laptop
Additional Required Equipment Description
Microsoft Teams Rooms Computer with Camera and Control interface 10-port PoE network switch Computer MUST contain the following: · Extron DSP Configurator
· Dante Controller
· Sennheiser TCC2 Control Cockpit
· Extron DSP Configuration *.zip files
Quantity 1
1 1
NOTE: The Windows® computer or laptop is required for adjustments and can be disconnected after system configuration.
Application Diagrams
The following illustrations are examples of configuring the DMP 128 Plus C V AT for use with Teams in a conference room.
SF 26CT LP
SF 26CT LP
Sennheiser TeamConnect Ceiling 2 Ceiling Mic
SF 26CT LP
Display (OFE)
HDMI to Display
PTZ Camera (OFE)
HDMI to Display
SF 26CT LP
XPA U 1004 SB DMP 128 Plus C V AT
Display (OFE) LAN
MTR Computer (OFE)
Video
Audio
CATx
Control
USB
Figure 1. Conference Room Application Example
Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Introduction 2
Figure 2. System Diagram Example
NOTE: The supplied network switch is manageable, however the default configuration is sufficient for this solution to function.
Installation Details
See figure 3 for the connections needed between the DMP Plus and the XPA U amplifier. Use the supplied balanced audio cable to connect each product.
L
L
Tip
Tip Ring Sleeve
Ring Sleeve (s)
Tip
Balanced Output Ring
Tip Ring Sleeve (s)
Tip Ring
R
R
DMP Plus 3-pole Audio OUTPBUaTlanWcieridngDual MonoBInaplauntced Dual Mono Input
Figure 3. CaptiveXPSAcUre5w-pAouledAioudCXioaPbIANlePUUW5T-iprWionirlgeingAudio INPUT Wiring
Do not tin the wires!
Speaker Installation
During installation of the speaker(s), please ensure the rotary tap selector switch is set to 70V, 16W.
For detailed setup instructions please refer to the SF 26CT LP setup guide.
100 V
16W 8 OFF
32W
64W
64W
32W
16W
OFF 8 8W
70 V
Adjust the Tap Selector
100 V
70 V
16W 8 OFF 32W 64W 64W 32W
16W OFF 8 8W
Do not t the wire
Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Introduction 3
Configuring Extron Certified DSP Bundle for Microsoft Teams Rooms Large Room
This section provides information on the following topics: · Configuration Overview · Sennheiser TeamConnect Ceiling 2 Setup · Dante Controller Setup · Extron DMP 128 Plus C V AT Setup · Microsoft Teams Rooms Setup
Configuration Overview
1. Unbox and connect the provided hardware using the diagram in figure 2 on page 3. NOTE: Do not connect the USB cable between the Microsoft Teams Rooms (MTR) computer and Extron DMP Plus. This is connected after the Extron DMP Plus is properly configured.
2. Configure a computer with the following software utilities: · Extron DSP Configurator Software · Dante Controller Software · Sennheiser Control Cockpit Software
3. Download the following from the Extron website (www.extron.com/microsoft): · Extron Certified DSP Large Room Bundle .zip folder
Sennheiser TeamConnect Ceiling 2 Setup
Sennheiser TeamConnect Ceiling 2
Sennheiser TeamConnect 2 (TCC2) audio output is connected to the Extron DMP Plus series via the Dante audio connection. An additional PoE/Control connection is required to support LED feedback, microphone mute controls as well as powering the ceiling microphone. Figure 4 on page 5 shows the browser-based Control Cockpit interface used to detect and identify the TCC2. The browser-based Control Cockpit interface detects and identifies the TCC2 using mDNS when the network cable is attached to the TCC2 Ethernet PoE/Ctrl port. Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Configuration 4
Figure 4. Control Cockpit Interface From this interface, the following actions are performed: · Setting Network Settings · Beam-steering and Exclusion Zone adjustments Setting Network Settings Set and document the address and host name of the device. This is required later.
Figure 5. Control Cockpit Network Interface Beam-steering and Exclusion Zone Adjustments (Optional) If additional settings are required to reduce background noise of items such as HVAC, projector fans, credenzas, etc. the TCC2 has a Priority Zone and up to 5 Exclusions Zones which can be leveraged to remove these from the microphone pickup. To configure a zone: 1. Select the desired unit from the Device List, a Properties dialog box is opened. 2. Under the Zones tab, the 3D Overall View shows the real-time focus of the TCC2
automatic beam-steering (see figure 6 on page 6). Users can manually enable a Priority or Exclusion Zone. 3. Edit the vertical and horizontal angles of the selected exclusion zones (see figure 7 on page 6) to remove the observed noise. NOTE: Refer to the TeamConnect Ceiling 2 instruction manual for more
information.
Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Configuration 5
Figure 6. Control Cockpit Zones Tab
Figure 7.
Control Cockpit Exclusion Zones Adjustment
Dante Controller Setup
Dante Controller from Audinate is required to route transmitters and receivers, and can be used to configure Dante settings and monitor performance.
Creating Subscriptions Between Sennheiser TCC2 and Extron DMP 128 Plus C V AT
1. Ensure the Laptop, DMP 128 Plus C V AT (Dante), and TCC2 (Dante) are connected to the same network.
2. From the Windows Start Menu select: All Programs > Audinate > Dante Controller. The Dante Controller - Network View screen opens. Dante Controller auto-discovers Dante devices on the network and advertises itself to allow other Dante-enabled devices to communicate with it. Transmitters connect to receivers using the subscription matrix.
Figure 8. Routing Tab of Network View Screen
NOTE: The DMP 128 Plus C V AT and TCC2 Dante connections are set to DHCP by default. If they cannot be discovered, ensure the correct interface is selected on the PC by selecting Interfaces from the File menu.
Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Configuration 6
3. Open the Device View of the DMP 128 Plus C V AT by double clicking it in the Routing tab.
4. In the Receive tab, rename the first receive channel to TCC2-A.
Figure 9. Receive Tab of Network View Screen 5. In the Transmit tab, rename the ninth transmit channel to TCC2 Ref.
Figure 10. Transmit Tab of Network View Screen 6. In the Device Config tab, rename the DMP 128 Plus C V AT to the desired name and
click Apply.
Figure 11. Device Config Tab of Network View Screen 7. From the Device View pulldown, choose the TCC2. 8. In the Device Config tab, rename the TCC2 microphone to TCC2-A. Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Configuration 7
Figure 12. Renaming the Device 9. Close the Device View window and return to the Network View window. 10. To show the transmitters of a Dante device, click the + box next to the desired device in
the Dante Transmitters panel, such as TCC2-A (see figure 13 on page 9). The + changes to a - sign when the device expands. 11. To show the receivers of a Dante device, click the + box next to the desired device in the Dante Receivers panel, such as DMP128PlusCVAT. 12. Click the intersections of the desired subscriptions between transmitter and receiver channels.
Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Configuration 8
Figure 13. Network View Screen Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Configuration 9
NOTES: · The FarEndOut transmitter channel of the TCC2 device should be routed to the first receiver channel of the DMP 128 Plus C V AT. A check mark at the intersection indicates the subscription is made. A check mark also appears next to the receive channel. · The TCC2 Ref transmitter channel of the DMP 128 Plus C V AT should be routed to the AEC Ref receiver channel of the TCC2.
Extron DMP 128 Plus C V AT Setup
To configure the Extron DMP 128 Plus C V AT, perform these steps: 1. Set IP address via embedded web page. 2. Set the computer or laptop IP address within the range of the product IP address. The
default settings are (LAN for non-V-models, LAN 1 for V-models): · IP Address: 192.168.254.254 · Subnet: 255.255.255.0 · Gateway: 0.0.0.0 3. From a web browser, enter the device IP address into the address field. NOTE: If the local system administrators have not changed the IP address, and the
device has not been assigned an IP address via DHCP, the default address (LAN for non-V-models, LAN 1 for V-models) is 192.168.254.254. 4. Press Enter. 5. On the login page, enter "admin" as the Username, enter the Password (if one has been set), and click Sign In. · By default, the password is the product serial number · If mode 5 reset has been performed, then the password is clear and the Password field can be left blank.
Figure 14. Login Page
Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Configuration 10
6. The Communications Settings panel displays TCP/IP communication settings. Click Edit to open the Communication Settings dialog box and edit the TCP/IP settings. The following can be edited: DHCP status, IP address, subnet mask, and default gateway. This dialog box also displays the device MAC address. To revert the computers IP address to a range which can communicate to the new IP address schema. NOTE: If Use DHCP is enabled, IP address, subnet mask, and default gateway cannot be edited.
Figure 15. Communications Settings Panel To push the DSP Template file to the DMP Plus: 1. Open the Extron DSP Template file (downloaded previously in .zip file) with
DSP Configurator software. 2. Connect to a DMP 128 Plus C V AT in Live Mode by clicking the Live button in
the menu bar of DSP Configurator (see figure 16, 1). Alternatively, select Tools > Connect to Device or press F6 on the keyboard. The Connect to Device dialog box opens.
Figure 16. Live Button 3. Click the TCP/IP tab in the dialog box. 4. Enter the IP address of the device in the Hostname or IP Address field. If necessary,
enter the device password in the Password field. 5. When a connection type with a device is established, the Synchronize with Device
dialog box opens. Select Push.
Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Configuration 11
Figure 17. Synchronize with Device Dialog Screen 6. Click OK. Once the push is completed, the current state of the connected DMP 128 Plus C V AT is displayed in the DSP Configurator status panel and the device is ready for further configuration.
USB Naming
The USB Audio tab allows for customizing USB audio interface names and terminal types (see Figure 18 on page 13). To configure USB Audio settings in DSP Configurator: NOTE: Extron recommends configuring these settings before connecting USB audio
devices to a PC. 1. From the Tools menu, select Device Settings. The Device Settings dialog box
opens. 2. Click the USB Audio tab. 3. In the USB Name field, enter the desired name for the USB Audio interface. 4. In the USB Terminal Type panel, choose Echo Cancelling Speakerphone. 5. Click Apply to activate the new settings. 6. Connect the USB Audio port to the PC.
Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Configuration 12
Figure 18. USB Audio Tab
Edit Macros
Macros are sets of actions that can affect the local DMP 128 Plus C V AT and other Extron products on the same TCP/IP network. Macros are required for the Mute Sync Status indicators on the Sennheiser microphone to function properly. They can be configured in Emulate or Live mode via an Ethernet connection only, and they can be saved to a configuration file or pushed to DMP 128 Plus C V AT internal memory. Macros are comprised of up to 32 actions that occur in sequence to quickly configure a system for specific applications.
Figure 19. Configure Macros Screen 1. Select 7 Add/Edit Remote Destinations. 2. Select TCC2-A and update the IP address to match the microphone that was configured
earlier 3. Select Apply. Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Configuration 13
4. Select 8 Push Macros to Device. Figure 20. Add/Edit Macro Destinations Dialog Box
Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Configuration 14
Microsoft Teams Rooms Setup
The Extron DMP 128 Plus C V AT connects to the Microsoft Teams Rooms system from the USB Audio port. Once the previous steps outlined in this document have been complete, please connect the Microsoft Teams Rooms system to the DMP 128 Plus C V AT USB Audio connection via the provided USB mini-B cable. The following steps detail the required settings on the Microsoft Teams Rooms device: 1. Select More in the Teams Rooms interface.
Figure 21. Microsoft Teams Rooms Interface Screen 2. Select Settings.
Figure 22. Microsoft Teams Rooms Settings Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Configuration 15
3. In the Settings menu, select Peripherals, and use the dropdown lists to select the Extron DMP Plus (or configured USB Name in above steps) for each of the three parameters: Microphone for Conferencing, Speaker for Conferencing, and Default Speaker.
Figure 23. Microsoft Teams Rooms Peripherals Dialog Box 4. When you are finished, click Save and exit to return to the user interface. NOTE: When using the Extron DMP 128 Plus C V AT, MTR disables its internal acoustic
echo cancellation (AEC) audio processing so that all audio processing is completed through the external DSP--the Extron DMP 128 Plus C V AT. This provides the best audio performance.
Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Troubleshooting 16
Advanced Settings and Troubleshooting
This section provides the following topics: · DMP Plus Acoustic Echo Cancellation (AEC) · Technical Support
DMP Plus Acoustic Echo Cancellation (AEC)
AEC Setup Overview
Proper gain structure involves the relationship between the signal at the selected reference and the signal at the mic input, within the context of proper levels for the reference and mic inputs independently. The mic input gain setting is naturally optimized for the voice level of the talker in that room. Therefore, the amount of signal from the far end that is picked up by the mic is dependent on how much that far end signal is being amplified in the near end room and the distance from the mic to the speakers. The reference signal is the signal received from the far end, which arrives at the USB-assigned Aux Inputs of the DMP Plus. This is sent to the sound reinforcement system within the near end room, as well as a designated output channel to set the reference level for the DMP Plus AEC processor.
AEC Dialog
The AEC dialog contains meters and indicator LEDs that are essential for setting up gain structure and monitoring activity.
Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Troubleshooting 17
Figure 24. AEC Controls
AEC Indicators · Far Lights when activity is detected from the remote site. · Near Lights when activity is detected from the local site. · Update Lights when the AEC is updating, for example, converging or reconverging.
Meters · ERL The ratio in dB between the signal at the reference and the signal at the AEC
channel input. When ERL is a positive number, the signal level at the AEC channel input is lower than the signal at the selected reference.
NOTE: The ideal level range for these meter is 0 to +15 dB. This ensures the right amount of reference signal is being sent through the AEC processor..
· ERLE The amount in dB of potential echo signal that the AEC algorithm, not including NLP processing, is cancelling.
· TER The sum of ERL + ERLE, in dB.
Select Reference The provided configuration includes a selected AEC reference. If necessary, a different AEC reference can be selected from the drop-down list.
Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Troubleshooting 18
Noise Cancellation
Noise Cancellation may be switched on or off from the AEC dialog. The noise canceller detects steady state noise, such as HVAC or other continuous system noise, and effectively removes it without causing audible artifacts.
Advanced AEC Controls
Click on the open/collapse icon to expose the advanced AEC controls. Advanced control functionality is as follows: Non-linear processing (NLP) controls · Enable NLP This box is checked by default. Non-linear processing is necessary for
the complete removal of echo. · NLP Presets Click a button to load a set of values to the three NLP parameters. · Max NLP Reduction The maximum possible reduction in echo artifacts that can be
applied. · Attack Time The speed in which NLP is applied. · Release Time The speed in which NLP is released. Additional controls · Double Talk Echo Reduction Sets the amount of echo reduction applied during
double-talk. · Comfort Noise Sets a comfort noise level in dB to eliminate states of complete
silence, which may be perceived as a failed connection.
Technical Support
For Extron technical support, visit: https://www.extron.com/company/contactus.aspx For Sennheiser technical support, visit: https://sennheiser.com/service-support
Extron Certified DSP Bundle for Microsoft Teams Rooms - Large Room Setup Guide · Troubleshooting 19
Extron Warranty
Extron warrants this product against defects in materials and workmanship for a period of three years from the date of purchase. In the event of malfunction during the warranty period attributable directly to faulty workmanship and/ or materials, Extron will, at its option, repair or replace said products or components, to whatever extent it shall deem necessary to restore said product to proper operating condition, provided that it is returned within the warranty period, with proof of purchase and description of malfunction to:
USA, Canada, South America, and Central America: Extron 1230 South Lewis Street Anaheim, CA 92805 U.S.A.
Asia: Extron Asia Pte Ltd 135 Joo Seng Road, #04-01 PM Industrial Bldg. Singapore 368363 Singapore
Japan: Extron Japan Kyodo Building, 16 Ichibancho Chiyoda-ku, Tokyo 102-0082 Japan
Europe: Extron Europe Hanzeboulevard 10 3825 PH Amersfoort The Netherlands
Africa: Extron South Africa 3rd Floor, South Tower 160 Jan Smuts Avenue Rosebank 2196, South Africa
China: Extron China 686 Ronghua Road Songjiang District Shanghai 201611 China
Middle East: Extron Middle East Dubai Airport Free Zone F13, PO Box 293666 United Arab Emirates, Dubai
This Limited Warranty does not apply if the fault has been caused by misuse, improper handling care, electrical or mechanical abuse, abnormal operating conditions, or if modifications were made to the product that were not authorized by Extron.
NOTE: If a product is defective, please call Extron and ask for an Application Engineer to receive an RA (Return Authorization) number. This will begin the repair process.
USA:
714.491.1500 or 800.633.9876
Asia:
65.6383.4400
Europe: 31.33.453.4040 or 800.3987.6673 Africa: 27.11.447.6162
Japan:
81.3.3511.7655
Middle East: 971.4.299.1800
Units must be returned insured, with shipping charges prepaid. If not insured, you assume the risk of loss or damage during shipment. Returned units must include the serial number and a description of the problem, as well as the name of the person to contact in case there are any questions.
Extron makes no further warranties either expressed or implied with respect to the product and its quality, performance, merchantability, or fitness for any particular use. In no event will Extron be liable for direct, indirect, or consequential damages resulting from any defect in this product even if Extron has been advised of such damage.
Please note that laws vary from state to state and country to country, and that some provisions of this warranty may not apply to you.
Contact Information
Worldwide Headquarters: Extron USA West, 1025 E. Ball Road, Anaheim, CA 92805, 800.633.9876