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Polycom EF2201 Application Note

Polycom ef2201 audio: software guide
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Download this manual See also: Reference Manual
Application Note
Polycom Installed
Voice Business
Group
September 2004
®
Polycom
Instant Designer
Version 2.0
TM
1

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Summary of Contents for Polycom EF2201

  • Page 1 Polycom Version 2.0 Application Note Polycom Installed Voice Business Group September 2004 ® Instant Designer...

  • Page 2: Table Of Contents

    Input Settings ...24 Matrix Settings ...25 Macro Definitions...25 Logic mappings...28 Uploading to Vortex Devices ... 30 Setting Device ID’s ...31 Bussing the units...32 Connecting via RS232 ...32 Conclusion ... 35 Technical Support ... 36 Polycom Installed Voice Business group Contact Information ...36...

  • Page 3: Introduction

    We have learned both the easy way and the hard way what works and how to best use the Vortex products. By making Polycom InstantDesigner available to you, the A/V specialist, we want to make your job easier and allow you to spend more time doing the things that can help your ®...
  • Page 4 To give you an idea of how much the design process can be accelerated, below is a partial list of what Polycom InstantDesigner will do for you. With just a few mouse clicks, Polycom InstantDesigner will automatically: •...

  • Page 5: Getting Started With Polycom Instantdesigner

    Sit back, grab a cup of coffee, and learn how we are trying to make your job easier. Getting Started with Polycom InstantDesigner To use Polycom InstantDesigner simply start Conference Composer. You will be presented with the screen shown in Figure 1. Figure 1. Conference Composer startup screen.
  • Page 6 Polycom InstantDesigner from the Project menu or using the keyboard shortcut of Ctrl-i. Please note that at any step in the Polycom InstantDesigner process, the Polycom InstantDesigner information can be saved to disk by clicking on the floppy disk icon.

  • Page 7: Step 1 - Select Inputs

    Click Next to start the wizardry of the Polycom InstantDesigner. Step 1 – Select Inputs The first step of Polycom InstantDesigner is to select the types and quantities of inputs that are required in the audio design. The types of inputs that can be selected include: •...
  • Page 8 • SoundStation VTX 1000™ for wideband telephony • PSTN Telephone line interfaces for narrowband telephony interfaces • Video codecs – including Polycom VSX™ 7000, VSX 8000, ViewStation and iPower™ Select the types of input, such as Microphone and Table, choose the quantity, adjust the text label, and then click Add Input.
  • Page 9 Zone 1 Zone 2 Zone 3 Figure 5. A typical 3 zone room including 12 tabletop microphones with imaginary lines showing the different loudspeaker zones.

  • Page 10: Step 2 - Select Outputs

    Polycom VSX 8000 video codec. Step 2 – Select Outputs The second step of Polycom InstantDesigner is to select the outputs that will be used. By default, some outputs will already be selected, such as a telephony output and a video codec output, if their respective inputs have been selected.
  • Page 11 • SoundStation VTX 1000 • PSTN Telephone outputs • Video codecs – including Polycom VSX, ViewStation, and iPower Figure 7. Polycom InstantDesigner Step 2 -- Select Outputs Audio amplifier channels are the monaural audio channels that are used to drive loudspeaker zones in the room.

  • Page 12: Step 3 - Sound Reinforcement Zones

    Figure 8. Sample output selection with a telephone output, video codec output, stereo audio amplifier for program audio, three mono amplifiers, mono recording output, and a mono assistive listening output. Step 3 – Sound Reinforcement Zones The next step for InstantDesigner is to determine whether to use sound reinforcement zones as shown in Figure 9.
  • Page 13 Figure 9. Step 3 where the designer does NOT want to use sound reinforcement. Figure 10. Step 3 where the designer does want to use sound reinforcement. Notice the microphone and loudspeaker audio in the two zones.

  • Page 14: Step 4 - Create Zones

    Please note that the stereo amplifier channels are not included as zone amplifiers in the sound reinforcement steps of Polycom InstantDesigner. The microphones were automatically evenly divided into the loudspeaker zones with 4 microphones being placed into each loudspeaker zone. If the design...

  • Page 15: Step 5 - Set Zone Gains

    wireless microphone 1 and wireless microphone 2) that are used for reinforcement into the entire room through the three amplifier zones for this example. If the design requires that the presenter microphones be physically located in a loudspeaker zone (due to room layout constraints or design preference), it is possible to either add these microphones to an existing zone (Zone 1, 2, or 3 as shown in Figure 12).
  • Page 16 – holding the mouse over the zone name on the top will show which amplifier is in that zone. By default each zone of microphones is mapped to the remaining loudspeaker zones with a gain of -30dB. In this zone matrix view, the columns are summed to create the outputs to the loudspeaker amplifier zones.

  • Page 17: Step 6 - Select Devices

    manually adjusting crosspoint gains, or by re-running the InstantDesigner and adjusting the zone matrix and re-uploading the configuration file to the Vortex devices. Figure 14. The reinforcement level for the microphones in Zone 2 to loudspeakers in Zone 1 is set to -18dB. In Figure 14, the reinforcement level between adjacent zones was adjusted to -18dB and the reinforcement level between zones two zones apart was -12dB.

  • Page 18: Step 7 - Connect Inputs And Outputs

    In this example, the automatic method of selecting devices was used and the resulting equipment list consists of 2 Vortex EF2280’s and 1 Vortex EF2201 as shown in Figure 15. In addition to the device selection, this window shows the number of unused microphones, line inputs, line outputs, and telephone connections that are presently unused with the equipment selection.

  • Page 19: Step 8 -Select Reports

    After mapping the inputs and outputs to the device inputs and outputs, Select Next to go to Step 8 – Reports. Figure 16. Polycom InstantDesigner Step 7 -- Connect Inputs and Outputs Step 8 –Select Reports When using sound reinforcement, there are two new reports that are available for the system designer –...
  • Page 20 Figure 17. The zone reports that can be generated when using sound reinforcement. The zone matrix report is a spreadsheet that summarizes the zone reinforcement gains for the inputs and outputs. An example of this report showing the zones, zone inputs and outputs, zone reinforcement crosspoints, and the devices that inputs are connected to is shown in Table 1.
  • Page 21 In this example, the Zone 1 output is built from the Zone 3 microphones (attenuated 12dB), the telephone from the EF2201, the Zone 2 microphones (attenuated by 18dB), the presenter microphones (attenuated by 8dB), and the VSX 8000 video codec audio.
  • Page 22 Zone 1 (EF2280:00 Input XM1) SubMix Mono (EF2280:00 Input YM1) Gain Signal Gain Signal Bus Phones (EF2280:00 Input PB0) Bus Phones (EF2201:00 Output P) - (EF2280:00 Input PB1) - (EF2280:00 Input PB2) - (EF2280:00 Input PB3) - (EF2280:00 Input PB4)

  • Page 23: Step 9 - Finish

    To create the Conference Composer design file, click Next. Figure 18. Polycom InstantDesigner Step 9 of 9 – Finishing a design with sound reinforcement. InstantDesigner Results The final result from the Polycom InstantDesigner is the Conference Composer configuration file (*.ccp) that can be uploaded to the Vortex devices.

  • Page 24: Input Settings

    The Conference Composer file contains the appropriate Vortex configuration for all input, automixer, matrix mixer, output, bussing, macro, and logic settings as described next. Figure 19. Polycom InstantDesigner automatically generates the Conference Composer project file that can be uploaded to Vortex devices. Input Settings...

  • Page 25: Matrix Settings

    Macro Definitions Polycom InstantDesigner will configure each Vortex device with a set of macros that can be used for volume control of microphones, program audio, muting and unmuting microphones, amplifier volume control, etc. In our example, the macros are shown in Figure 20, and the complete set of macros that are created for the Vortex EF2280 in this example is shown in Table 3.
  • Page 26 Figure 20. The macro tab in this example shows the set of macros that were automatically created for Vortex EF2280 (device ID 00) by Polycom InstantDesigner...
  • Page 27 Table 3. The macros that are created automatically for an EF2280 by the Polycom InstantDesigner. Macro Name Description Mics Up Increases the volume of the microphones by 1dB Mics Down Decreases the volume of the microphones by 1dB Mics Mute...

  • Page 28: Logic Mappings

    Logic mappings In addition to creating the macros for many common functions, InstantDesigner also creates logic input pin mappings that can execute these macros through simple contact closures, such as the contacts from push-to-talk microphones or toggle and push button switches that are wired to the logic ports on the devices. In our example, the logic mappings are shown in Figure 21.
  • Page 29 Figure 21. The default logic input definitions showing the microphone inputs and their associated macros for muting and unmuting.

  • Page 30: Uploading To Vortex Devices

    Vortex devices. When the system design requires more than one Vortex device, the first step is to set the device ID’s of the devices to the settings that Polycom InstantDesigner designates for those particular devices. The device ID settings can be found on the left panel of the Conference Composer screen where each device in the project is listed with its device ID.

  • Page 31: Setting Device Id's

    Vortex EF2201 at device ID 00, a Vortex EF2280 at device ID 00*, and a Vortex EF2280 at device ID 01, as shown in Figure 23. *Vortex EF2280 and Vortex EF2201 units can share a device ID, allowing you to have up to 8 each of these devices in a linked system.

  • Page 32: Bussing The Units

    EF bus in connector. Please note that the last device should NOT be connected back to the first device and that bus terminators are not required with Polycom Vortex devices. Once the devices are connected, the remaining devices may be powered on.
  • Page 33 Figure 24. To set the appropriate RS232 port, left click the device chain and select the transport as shown in Figure 25. Figure 25. Select the transport such as Com 1, etc., for your system. This will determine how Conference Composer sends data to and from your devices. After setting the appropriate transport, to upload the designed file, left-click on the Project name on the upper left of the screen as shown in Figure 26.
  • Page 34 Figure 26. To upload the settings to the Vortexes, left click on the project name (highlighted in red) to bring you to the main project page. Figure 27. Click the Send to Device button on the lower left portion of the screen (highlighted in red) to send the Vortex settings to the Vortex devices.

  • Page 35: Conclusion

    Conference Composer design file that can be uploaded to the Vortex devices. To see how Polycom InstantDesigner can make your life easier, download a version of Conference Composer today from the Polycom Resource Center (http://extranet.polycom.com) and see how you can design your next job in less...

  • Page 36: Technical Support

    Atlanta, GA 30350 770-350-4140 Phone 770-350-4142 Fax Copyright © 2004 Polycom, Inc. Polycom, the Polycom logo, Vortex, and ViewStation are registered trademarks and SoundStation VTX 1000, InstantDesigner VSX, iPower, Conference Composer, and are trademarks of Polycom, Inc. in the USA and various countries.

This manual is also suitable for:

Ef2210Ef2211Ef2241Ef2280Instantdesigner 2.0

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