Clear One AP400 Bedienungsanleitung

Audio Conferencing

AP400 Audio Conferencing System

The Audio Perfect

400 (AP400) features ClearOne’s propri-

etary

Distributed Echo Cancellation®technology, which

enhances the audio quality in any conferencing application

by placing an echo canceller and an audio processor on

every microphone input. This technology is vastly superior to

traditional system-wide echo cancellation because it elimi-

nates gating

and audio processing problems that can hamper

such systems. The result is highly reliable, clear audio for use

in demanding

acoustical environments.

The AP400 features a built-in telephone interface for

complete phone line integration. The unit also features an

internal power amplifier for easy loudspeaker integration.

The AP400 also performs automatic gating of microphones,

mic mixing, audio processing, and matrix routing

–

all in a

rack-mountable unit that seamlessly integrates the functions

of each component.

The AP400 provides extreme flexibility for your appli-

cations. Each unit has four mic /line inputs, four line-level

inputs (for codecs, VCRs, CD players, etc.), and eight line

outputs. Every input features automatic gain control to

compensate for loud or soft voices. The mic/line inputs also

offer equalization for continuous cut or boost, as well as high-

pass filtering to reduce unwanted low frequency noise.

For conference applications where you need more

microphone coverage, AP400s and AP800s can be combined

• Distance Learning

• Teletraining

• Telemedicine

• Courtrooms

• Conference Rooms

• Boardrooms

• Hotels

for up to 64 microphones. When multiple telephone lines

are needed, up to 16 AP10 units can also be added. All

units are G-Linked together using ClearOne’s high-speed

digital network bus, and can be controlled and monitored

via

a single RS-232 connection.

All features and functions of the AP400 are easily

configured with advanced AP-Ware™ software.

Features and Benefits

• Easy to install

–

simple to operate.

•

Distributed Echo Cancellation technology on each mic/

line

input dramatically improves overall system performance,

flexibility, and setup.

• “Plug and play” capability for easy design, programming,

installation and maintenance

–

no white noise setup.

• Automatic microphone gating reduces background

noise and reverberation, resulting in crystal-clear,

transparent audio.

• Simultaneous two-wire/four-wire capability enables video

and telephone participants to communicate simultaneously

with full-duplex audio.

•

Expandable (via the G-Link) to accommodate applications

requiring up to 64 microphones

–

all system parameters

are linked and function as one system.

• All inputs incorporate automatic gain control to com-

pensate for loud or soft voices, while the four mic/line

inputs offer equalization for continuous cut or boost and

high-pass filtering to reduce unwanted frequency noise.

• Matrix allows for simple routing customization for a wide

variety of applications and individual customer requirements.

• Full system configuration capabilities with advanced

AP-Ware software.

The AP400 provides high-quality audio for a wide

variety of conferencing applications.

Applications

The AP400 is manufactured and marketed by

ClearOne, formerly Gentner.

audio conferencing

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/3.18 kg dry

12 lb/5.4 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

two networked 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

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 1-4

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 1-8

Push-on terminal block, balanced,

bridging

Impedance: 50Ω

Nominal Level: 0dBm

Maximum Level: 19dBu

Speaker Output

Binding post 5W max into 4Ω

Telco Line

RJ-11 connector

POTS (plain old telephone service)

line or analog extension from PBX

Telco Set

RJ-11 connector

Connect analog telephone set

A-lead supervision provided

Audio Performance

Conditions: Unless otherwise specified, all

measurements are performed with a 22Hz to

22kHz BW limit (no weighting).

Frequency Response: 20Hz to 15kHz

±2dB

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

max gain, Rs=150Ω

THD+N: <0.1%

SNR: 65dB re 0dBu

Dynamic Range: 85dB

Telco Audio Performance

Frequency Response: 250Hz to 3.3kHz

±2dB (AGC disabled)

SNR: >60dB re -15dBm on/off the

telephone line

THD+N: <0.2%, 250Hz to 3.3kHz

(AGC disabled)

Pre-Emphasis: +4dB @ 2kHz

TEC tail time: 31ms

TEC null: 55dB nominal

Approvals

FCC, ASA, CE

Matrix Mixing Parameters

8x8 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™

Andere Handbücher für AP400

Andere Clear One Konferenzsystem Handbücher

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