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Audio equipment XLR AES-EBU to E1 Codec

View : 162
Type : XLR Stereo Audio to E1 Codec
Description :

E1 audio codec is designed by using digital processing chip, large-scale FPGA, digital codec conversion and clock recovery technology.

Overview

E1 audio codec is designed by using digital processing chip, large-scale FPGA, digital codec conversion and clock recovery technology. The audio interface is XLR (XLR seat). Equipment suitable for broadcasting program source transmission. The audio encoder is to re frame the input stereo audio signal or AES / EBU digital audio signal after a / D digital codec conversion or data format conversion to form a serial data stream, which is output by E1 port. The audio decoder will receive E1 serial data, recover the audio signal after clock recovery and frame removal, and output stereo audio or AES digital audio.

Photo

Features

The whole machine is single board design, IP40 protection grade, all aluminum alloy anodizing process;

using FPGA, digital codec and clock recovery technology, with high integration and stability;

the audio interface is XLR XLR head balance interface, and the audio power supply is supplied by high-power ring transformer + – 18V, with high dynamic range;

 AES / EBU sampling frequency 48K;

 advanced digital processing, clock recovery and digital codec chips are used, with better performance indicators;

 the panel has led lights to indicate the working status of E1, digital audio and stereo signals in real time;

use 2m channels of SDH, PDH and microwave to realize point-to-point transmission of audio signal source;

 cooperate with E1 interface distributor to realize broadcast transmission audio signal source with one transmission and multiple reception;

 it is suitable for networking in provincial, municipal, county and township areas to realize ultra long-distance transmission of audio signal source;

 E1 interface meets the recommendation of G.703 and adopts full digital clock recovery and smooth phase-locked technology;

 three level lightning protection of audio interface, reaching iec61000-4-5 (8 / 20) μ S) Differential mode: 6kV impedance (2 Ω); Common mode: 6kV, impedance (2 Ω) standard;

 multiple power supply modes are available: AC220V, dc-48v / DC24V, etc.

Parameters

●AES audio interface

Input / output interface: XLR

Input and output impedance: balanced 0dbm / 110 Ω

Sampling frequency: 48Khz, 32kHz

Signal level: 2-7v (PP)

AES transmission distance: 250m

● E1 Interface

E1 interface protocol: ITU-T G.703, 

Interface Rate: 2048Kbps±50ppm

Interface Code: HDB3;

E1 Impedance:              75Ω (unbalance L9), 120Ω (balance RJ45);

Jitter tolerance:              In accord with protocol G.742 and G.823

Allowed Attenuation: 0~6dBm

● Electrical and mechanical characteristics

Voltage: AC165V ~ 265V; DC -48V; DC + 24V

Power: ≤5W

● Environmental Indicators

Working temperature: -10 ℃ – + 70 ℃

Storage temperature: -40 ℃ – + 85 ℃

Humidity: 0% -95% (non-condensing)

MTBF: > 100,000 hours

Specifications

Model

FCA-E1A1-A

Functional Description

E1 audio codec, can transmit 1 channels AES audio in one E1

Port Description

1 channels AES interface; 1*E1 interface

Power

AC180V ~ 260V; DC -48V; DC + 24V

Dimension

19 inches: 483 (W) X140 (depth) X44 (H) mm

Weight

1.45KG

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