Clear One AP800 Bedienungsanleitung

Audio Conferencing

The Audio Perfect®800 (AP800) provides high-quality

audio for conferencing applications. The AP800 contains

Distributed Echo Cancellation®(DEC) technology, micro-

phone mixing, audio processing, and matrix mixing

–

all

in a single rack unit system.

DEC technology is vastly superior to system-wide

echo cancellation because it eliminates the gating and

audio processing problems that continually hamper such

systems. DEC results in highly reliable, clear, transparent

audio for use in the most demanding environments.

Each of the unit’s eight mic/line inputs and four auxiliary

line inputs can compensate for loud or soft voices using

automatic gain control (AGC). It also offers channelized

equalization for continuous cut or boost as well as high-pass

filtering to reduce unwanted low-frequency noise.

The AP800 provides extreme flexibility for your

applications. Each unit provides eight microphone/line

inputs, four auxiliary line-level inputs, and 12 auxiliary

line-level outputs. These outputs are ideal for audio

sources such as codecs, AP10 telephone interfaces, external

PAs, sound reinforcement, VCRs, and CD players.

For conferencing applications where you need signifi-

cant

microphone coverage or multiple telephone line con-

ferencing, up to eight AP800 units and 16 AP10 units can

be linked together using ClearOne’s high speed G-Link

• Distance Learning

• Teletraining

• Telemedicine

• Courtrooms

• Conference Rooms

• Boardrooms

• Hotels

• Houses of Worship

digital network bus. All G-Linked devices can be con-

trolled and upgraded via a single RS-232 connection.

Set-up and configuration are simple and can be

accomplished in one of two ways: 1) Using the AP800’s

front panel and LCD display, or 2) Via ClearOne’s

AP-Ware™ configuration software on a connected PC.

When any of the six available presets are customized, you

can access them on the fly from a remote touch panel

(such as AMX or Crestron), a custom control device, or

the unit’s front panel.

Features and Benefits

• Truly linkable

–

the AP800, via the G-Link high-speed

digital bus, allows for system expansion to accommodate

applications requiring up to 64 microphones. All system

parameters (gating, NOM, chairman override, PA

adaptive, etc.) are linked and function as one system.

• All eight inputs incorporate automatic gain control

(AGC)

–

to compensate for loud or soft voices.

• Matrix

–

allows for simple routing customization for a

wide variety of applications and individual customer

requirements.

• Easy “plug and play” echo cancellation

–

easy to pro-

gram, and maintain.

• On-the-fly configuration changes

–

six configurable pre-

sets can be accessed from a touch panel, custom control

device, or the front panel.

• Full-duplex audio

–

for clean, transparent audio.

• One rack unit performs the function of several external

audio devices

–

audio functions are designed to work

together as a complete audio conferencing system.

• AP-Ware software

–

an advanced, reliable configuration

system that makes programming the AP800 simple.

The AP800 provides eight mic/line inputs, four

line-level inputs, and 12 line-level outputs.

Applications

AP800 Audio Conferencing System

The AP800 is manufactured and marketed by

ClearOne, formerly Gentner.

Specifications

ClearOne Communications ~ 1825 Research Way, Salt Lake City, UT 84119 ~ 1-800-945-7730 ~ www.clearone.com

Dimensions (LxDxH)

17.25" x 10.25" x 1.75"

43.8 x 26 x 4.5 cm

Weight

7 lb/4.5 kg dry

12 lb/5.9 kg shipping

Operating Temperature

32–100° F/0–38° C

Humidity

15% to 80%, non-condensing

Power Input Range

Auto-adjusting

100–240VAC; 50/60Hz

Power Consumption

30W typical

G-Link In/Out

Proprietary Network

RJ-45 (2), 38.4kbps,

110kΩimpedance

Category five twisted-pair cable

20' (6 meters) maximum cable length

between any two Audio Perfect

products

RS-232

DB-9 female

9,600 (default)/19,200/38,400

baud rate; 8 bits, 1 stop, no parity

Hardware flow control on (default)/off

Control/Status

DB-25 female A/B (2)

Inputs A/B: active low (pull to ground)

Outputs A/B: Open collector, 40VDC

max, 40mA each

+5VDC pins (2) (300mA

over-current protected)

Mic/Line Inputs 1-8

Push-on terminal block, balanced,

bridging

Impedance: 5kΩ

Nominal Level: adjustable -55dBu,

-25dBu, 0dBu

Maximum Level: -33dBu, -4dBu,

+20dBu

Echo Cancellation: 120ms tail time

(works with 12dB of room gain)

Phantom Power: 24V, selectable

Line Inputs A-D

Push-on terminal block, balanced,

bridging

Impedance: >20kΩ

Nominal Level: 0dBu

Maximum Level: 19dBu

Outputs 1-12

Push-on terminal block, balanced

Impedance: 50Ω

Nominal Level: 0dBu

Maximum Level: 19dBu

Audio Performance

Conditions: Unless otherwise specified,

all measurements are performed with

a 22Hz to 22kHz BW limit

(no weighting).

Frequency Response: 20Hz–15kHz

±2dB

Noise (EIN): -125dBu, 15kHz BW,

max gain, Rs=150Ω

THD+N: <0.1%

SNR: 65dB re 0dBu

Dynamic Range: 85dB

Approvals

FCC, CSA, CE

Matrix Mixing Parameters

12x12 matrix

Auto Mixer Parameters

Number of Open Microphones (NOM)

PA Adaptive Mode

First Mic Priority Mode

Last Mic Mode

Maximum # of Mics Mode

Ambient Level

Gate Threshold Adjust

Off Attenuation Adjust

Hold Time

Decay Rate

Microphone Input Configuration

Input Gain Adjust

Mic or Line Level

Phantom Power on/off

Echo Cancellation on/off

Mute on/off

Chairman Override on/off

High Pass Filter

EQ Adjust

AGC on/off

Auto Gate/Manual Gate/Gate override

Adaptive Ambient on/off

Set-up Software

AP-Ware

audio conferencing

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