Mirage 4 Dig Evo

Mirage 4 Dig Evo FM


Audio Processor by AEV



AEV Mirage 4 Dig Evo audio processor




MIRAGE DIG EVO: the new Digital Audio Processor by AEV



The Mirage Dig Evolution is a fully digital audio processor, based on DSPMirage Dig Evo technology is a complete audio signal processing processor for AM, FM and TV broadcasts.

Digital audio inputs/outputs l AES/EBU and Optics.

Balanced analog audio inputs/outputs.

AES/EBU standard, 24 bit resolution low structural latency of the signal ( 3 ms ).

Four-band audio processing and compression.

Input switching with selectable backup function, and more.



AEV Mirage 4 Dig Evo audio processor, back view


Key Features


Frequency Response

  • 20Hz ÷ 15 KHz FM version
  • 20Hz ÷ 20 KHz HD version
  • 20Hz ÷ 10 KHz AM version
  • Stop band rejection > 78 dB over 17 KHz
  • Noise > 65 dB in all conditions (depends on processing)
  • Total distortion < 0.01 %.
  • Total system separation > 67 dB (30 Hz - 15 kHz) 

Analog Audio Input

  • Left and Right configuration
  • Impedance 10 K ohm / 600 ohm balanced
  • CMRR > 45 dB from 30 to 15 Khz
  • A/D conversion Sampling frequency 192 kHz
  • Sensitivity ±12dBu
  • Maximum input level +15 dBu
  • XLR type connector, female,
  • Pin 1 Chassis Pin 2 and 3 electronically balanced, floating and symmetrical

Digital Input

  • AES 4 professional digital input configuration (IEC-60958)
  • Digital AES 4 Input Impedance 110 ohm balanced
  • XLR female AES 4 digital input connector
  • Sampling frequency Automatic lock 32 - 44.1 - 48 - 96 KHz
  • Resolution 24 Bit

Analog Audio Output

  • Left and Right configuration. Flat or pre-format (50μS - 75μS)
  • Electronically balanced and floating 30 ohm impedance
  • Minimum load impedance 600 ohms
  • Maximum output level +15 dBu in 600 ohm load
  • XLR type connector, male
  • Pin 1 Frame
  • Electronically balanced, floating and symmetrical pins 2 and 3

Digital Output

  • Digital output sampling rate software selectable 32 - 44.1 - 48 - 96 KHz
  • Resolution 24 Bit
  • AES 4 Transformer Balanced stereo digital output configuration (IEC-60958)
  • Balanced digital output impedance 110 ohms
  • Digital output level - 12.00 / 0 dBFS adjustable
  • XLR male digital output connector

Stereo Generator (MPX version only)

  • Configuration an output
  • Pilot Freq. 19 KHz ± 0.001% Max on temp.
  • Pilot injection +4 ÷ 12
  • Distortion < 0.005 % @1 kHz
  • Acoustic signal ratio 70 dB (Din Audio, Bypass mode) Typical
  • Stereo separation 60 dB Typical
  • Main to Large Sub crosstalk 48 dB 30-15 kHz
  • Large Sub to Main Crosstalk 46 dB 30-15 kHz
  • Subcarrier suppression 38 kHz 70 dB Typical
  • Suppression 76 kHz 70 dB Typical
  • Composite audio level 0 ÷ 12dB

BNC connector

Output impedance 50 ohms


DATA

  • Ethernet / RS232- terminal interface on the back, asynchronous
  • Full duplex data input
  • Selectable format
  • Serial transmission speed 2400 ÷ 19600 baud
  • RJ45 / RS232/ USB connector
  • Microprocessor controlled data management
  • Non-volatile memory Flash data retention 10 years
  • Logical I/O
  • DB15 female cannon connector 

GENERAL

  • Mains voltage 90 - 260 Vac / 50 Hz full range
  • Dimensions (WxHxD) 48.3 x 19.4 x 4.4 cm 1 rack unit
  • Weight 3.5 Kg.
  • Working temperature 0 ÷ 50° C.
  • Working humidity.   

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