Polycom Vortex EF2280 Guida utente

Vortex EF2280

Applications and Presets Guide

progress, specifications are subject to change without notice.

The Polycom logo and Vortex®are registered trademarks of Polycom, Inc..

Polycom, Inc.

Installed Voice Business Group

1720 Peachtree Street NW, Suite 220

Atlanta, GA 30309-2439

Phone: (800) 932-2774, (404) 892-3200

Fax: (404) 892-2512

www.aspi.com

Technical Support:

(800) 932-2774

[email protected]

VORTEXAPPGUIDE-0100-01

VORTEX®APPLICATIONS AND PRESETS GUIDE

Introduction....................................................................................................2

Building Your System with Multiple Vortexes® ..........................................3

1. Assign Inputs....................................................................................................... 3

2. Assign Outputs.................................................................................................... 3

3. Configure the submatrix ..................................................................................... 3

4. Configure Your Echo Canceller Reference ........................................................ 4

Automixer Settings for Multiple Vortexes............................................................... 5

Connecting Multiple Vortexes ................................................................................ 7

Presets ............................................................................................................10

INTRODUCTION

Vortex®Applications and Presets Guide 2 Technical Support: (800) 932-2774

INTRODUCTION

This manual describes useful application information and the factory presets of the

Vo r t e x ®. The following is an overview of each section:

• Building Your System with Multiple Vortexes® outlines things you need to con-

sider as you build a system with mulitple Vortex units.

•Presetsshows Factory Presets 0-6 in block diagram form and matrix settings.

These are meant to be used as examples. Vortex Factory Presets include the fol-

lowing:

• Factory Preset 0: DEFAULT. Inputs 1-8 direct out; Inputs A-D mix minus to

Outputs A-D for room audio, codec, Phone Add, and/or program audio.

• Factory Preset 1: DEFAULT, STEREO. Default configuration with stereo.

• Factory Preset 2: SPLIT. Vortex split between 2 rooms. Inputs 1-4, Output 1

go to Room 1; Inputs 5-8, Output 5 to Room 2. Input/Output A-B and Input/

Output C-D for codec and Phone Add in each room.

• Factory Preset 3: RESERVED.

• Factory Preset 4: 8 MICS/ZONE. For applications with 8 microphones per

loudspeaker zone.

• Factory Preset 5: 8/ZONE, STEREO. 8 mics/zone with stereo.

• Factory Preset 6: 4 MICS/ZONE. For applications with 4 microphones per

loudspeaker zone.

• Factory Preset 7-12: RESERVED for future use.

• Factory Preset 13: PASSTHROUGH MIC. Passthrough mode (Inputs 1-8, A-D

are direct out) with Inputs 1-8 set to Mic level. Everything else is disabled.

• Factory Preset 14: PASSTHROUGH LINE. Passthrough mode (Inputs 1-8, A-D

are direct out) with Inputs 1-8 set to Line level. Everything else is disabled.

• Factory Preset 15 BLANK SLATE. All crosspoints muted. Everything dis-

abled.

BUILDING YOUR SYSTEM WITH MULTIPLE VOR-

BUILDING YOUR SYSTEM WITH MULTIPLE VORTEXES®

The following is a checklist for building a system with multiple Vortexes:

1. Assign Inputs.

2. Assign Outputs.

3. Configure submatrix (the EF Bus).

4. Configure your echo canceller reference.

1. ASSIGN INPUTS

Assign each audio source to an input. Remember to include the conferencing equip-

ment such as the EF200 Phone Add or a video codec and any program audio.

2. ASSIGN OUTPUTS

Try to assign as many outputs as you can to each Vortex to make a simpler submatrix.

Remember that Outputs 1-8 can also be used as outputs of the matrix. The bussing

can get very complicated very quickly if you choose to spread your outputs over sev-

eral units.

3. CONFIGURE THE SUBMATRIX

To link multiple Vortex devices together, use the submatrix on the EF Bus.

The EF Bus The EF Bus is a high speed, low delay digital bus that includes the W, X, Y, and Z

audio busses as well as the echo canceller reference and remote control information

(for other Vortexes) and can link up to 8 Vortex devices. All busses include NOM

information and can be used for sharing microphone inputs, or for sharing mono or

stereo program information.

Crosspoint Mix Minus Bus. Each Vortex device in the system can create four

output mixes (W, X, Y, and Z) and place them on the bus. Each device also can create

three input mixes each from the W, X, Y, and Z busses of the other devices (for a total

of 12 mixes). The mixes can have crosspoint gains on the signals from the other

devices. See Figure 1 below. All 12 mixes become inputs to the main matrix and can

BUILDING YOUR SYSTEM WITH MULTIPLE VOR-

Vortex®Applications and Presets Guide 4 Technical Support: (800) 932-2774

be mixed with the other inputs to create Outputs 1-8, A-D, Ref 1, Ref 2, and W, X, Y,

and Z bus outputs.

EF Bus Reference. In a system with multiple devices, if all devices need the

same echo canceller reference, one device should be designated to put its echo cancel-

ler reference (either Ref 1 or Ref 2) on the EF bus to be used as the EF Bus Reference.

All other Vortexes may use the EF bus reference as the reference for their echo can-

cellers, or they can use their own internal references. The references may include a

mix of any input, with crosspoint gains, including W, X, Y, and Z busses.

NOM Bus. All busses on the EF Bus contain NOM information. See “NOM

Active” on page 29 of the Vortex Reference Manual for more information on how

NOM attenuation is applied.

4. CONFIGURE YOUR ECHO CANCELLER REFERENCE

Review what inputs need to be included in your echo canceller reference — See

“Build Your Echo Canceller Reference (if not using Preset 0)” on page 13. of the Vor-

tex Reference Manual. Remember that each microphone needs an echo canceller ref-

erence. If all microphones are in the same room and use the same reference,

configure the echo canceller reference on one Vortex and assign it to the EF Bus as

the EF Bus Reference. Only one Vortex out of multiple units linked together can put

Figure 1. W, X, Y, and Z submatrices.

Submatrix

Bus W WB0W

B1W

B2W

B3W

B4W

B5W

B6W

Bus X XB0X

B1X

B2X

B3X

B4X

B5X

B6X

Bus Y YB0Y

B1Y

B2Y

B3Y

B4Y

B5Y

B6Y

Bus Z ZB0Z

B1Z

B2Z

B3Z

B4Z

B5Z

B6Z

Note.

The EF Bus must be connected so that the EF B

of one

Vortex device is connected to the EF B

of another Vortex.

Connecting EF B

to another EF B

(or EF B

EF B

) will not work. See“Connector Pinouts” on

page 43 for pinout of Cat 5 cable.

BUILDING YOUR SYSTEM WITH MULTIPLE VOR-

an echo canceller reference on the EF Bus. For each additional unit, assign the echo

canceller reference to use the EF Bus Reference.

For systems with more than one room, you will need to use the W, X, Y, or Z sub-

busses to share the echo canceller reference in your additional rooms if the EF Bus

Reference has already been assigned to the EF Bus.

AUTOMIXER SETTINGS FOR MULTIPLE VORTEXES

When using more than one Vortex in your room system, you have several possibilities

for how you configure the automixer. Each Vortex can operate as one of the follow-

ing:

• One automixer, independent of other Vortexes linked to it

• Two automixers, independent of other Vortexes linked to it

• One large automixer, sharing automixer functions with other Vortexes linked to it

• Two large automixers, sharing automixer functions with other Vortexes linked to

Automixer and Bus

Mixer Settings To operate the Vortex in any of the above possibilites, two global parameters need to

be changed: the AUTOMIXER and the BUS MIXER (see Figure 2). The AUTOMIXER

parameter chooses which automixer the input channel will be on (this is changed

either on the AUTOMIXER page in Conference Composer or on the MATRIX MIXER

page).

The BUS MIXER parameter is used to assign one of the two internal automixers to one

of the eight EF Bus automixer groups. For example, consider three Vortexes each of

which has four microphones assigned to Automixer 1 and 4 microphones assigned to

Automixer 2. Now, if each of these Vortexes sets their Automixer 1 to have Bus

Mixer 5 (the Bus Mixer is also referred to as the Bus ID), then the three automixers

(one from each Vortex) will work as a single automixer containing 12 (3 x 4) micro-

phones. Setting BUS MIXER to 0 means that the automixer is not grouped on the EF

Bus.

Operating as an

Independent

Automixer

To set the Vortex to operate as an independent automixer (or two independent mix-

ers), set the BUS MIXER parameter to 0, or to a number that is different from any other

automixer group currently in use on the EF Bus.

Figure 2. Vortex Automixer Global Parameters in Conference Composer Software

BUILDING YOUR SYSTEM WITH MULTIPLE VOR-

Vortex®Applications and Presets Guide 6 Technical Support: (800) 932-2774

Operating as One

Automixer with

Multiple Vortexes

To set the Vortex to operate as one automixer across several Vortexes, set the BUS

MIXER parameter on all Vortexes to the same automixer group.

Example: Room

Combining Let’s take a room combining setup as an example. You have 3 rooms, each with 8

microphones, therefore needing 3 Vortexes. For the purposes of this example, the 3

rooms can operate as 3 separate rooms, 2 rooms with 12 mics each, or one large room.

When the system is split into 3 Rooms, the BUS MIXER option should have the fol-

lowing settings:

When split into 2 Rooms:

And finally, all combined into one room:

The various room setups can be saved in the user defined presets or can be changed

with macros.

ROOM V

ORTEX ID AUTOMIXER BUS MIXER MICS

100 AM1 0 1-8

201 AM1 0 1-8

302 AM1 0 1-8

Table 1: BUS MIXER settings for 3 separate rooms each with 8 microphones operating

independently

ROOM V

ORTEX ID AUTOMIXER BUS MIXER MICS

100 AM1 1 1-8

201 AM1 1 1-4

201 AM2 2 5-8

302 AM2 2 1-8

Table 2: BUS MIXER settings for 2 rooms with 12 microphones each

ROOM V

ORTEX ID AUTOMIXER BUS MIXER MICS

100 AM1 3 1-8

201 AM1 3 1-8

302 AM1 3 1-8

Table 3: BUS MIXER settings for one room with 24 microphones

BUILDING YOUR SYSTEM WITH MULTIPLE VOR-

CONNECTING MULTIPLE VORTEXES

Up to 8 Vortexes can be linked together at one time. Each unit in the chain must have

a unique Device ID. Use the EF Bus to link multiple Vortexes together.

The following steps should be followed to connect the EF Bus:

• Connect the RS-232 remote control device to the first Vortex in the chain.

• Connect the provided Cat-5 cable between the EF BUS OUT of the first device,

and the EF BUS INof the second device.

• Connect another Cat-5 cable between the EF BUS OUT of the second device and

the EF BUS INof the third device, and so on.

• Terminate the chain of Vortexes using the instructions below.

Terminating the

Vortex The Vortex must be terminated with the provided EF Bus terminator. Place a termina-

tor in the EF BUS INof the first device in the chain and also in the EF BUS OUT of the

last device. If you lose the terminator provided with your Vortex unit, see “Making an

EF Bus Terminator” on page 45 for information and instructions on how to make one.

Note. The EF Bus must be connected so that the EF Bus In of one

box is connected to the EF Bus Out of another. Connecting

the EF Bus In to another EF Bus In (or Out to Out) will not

work.

BUILDING YOUR SYSTEM WITH MULTIPLE VOR-

Vortex®Applications and Presets Guide 8 Technical Support: (800) 932-2774

The Vortex does not have to be terminated if you are using a single unit not connected

together with another Vortex.

Figure 3. Connecting and terminating multiple Vortexes.

...

EF Bus Terminator

Cat-5 cable

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