AEV Mirage 4 Evo MPX+RDS Digital Audio Processor

AEV MIRAGE 4 EVO MPX+RDS

The AEV Mirage Dig Evolution processor is fully digital audio processor, powered by DSP technology.

Mirage Dig Evo is a complete audio signal processing system for AM, FM and TV transmissions.

Features

• Digital AES/EBU&Optical Inputs & Outputs
• Balanced Analog Inputs & Outputs
• AES/EBU standard, 24 bit resolution
• UltraLow Latency Structure (only 3 ms delay)
• Four Bands in multiband compressor process
• Switcher with selectable backup audio sources
• Intelligent Silence Detector and Backup Audio
• Headphone output
• Four-bands AGC control
• Eight-bands Equalizer
• DSP processing powered
• Digital Stereo MPX Coder
• Software PC control
• Ethernet control

Technical Specs

GENERAL PERFORMANCE

Frequency response

20Hz ÷ 15 KHz FM version

20Hz ÷ 20 KHz HD version

20Hz ÷ 10 KHz AM version

Stop band rejection                              > 78 dB beyond 17 KHz

Noise                                                 > 65 dB in all conditions  (depends on the processing)

Total distortion                                    < 0,01 %

Total system separation                         > 67 dB (30 Hz – 15 kHz)

ANALOG AUDIO INPUT

Configuration                                       Left and Right

Impedance                                          10 K Ohm/ 600 Ohm balanced

CMRR                                                 > 45 dB from 30 to 15 Khz

A/D Conversion                                       192 kHz sample rate

Sensitivity                                           ±12dBu

Maximum input level                             +15 dBu

Connector                                           XLR-type, female,

Pin 1 Chassis Pin 2 & 3 electronically balanced, floating and symmetrical

 DIGITAL INPUT

Digital input configuration                      AES 3 professional (IEC-60958)

Digital AES 3 Input Impedance               110 ohm Balanced

Digital AES 3 Input Connector                XLR Female

Sample Rate Automatic lock                   32 – 44.1 – 48 – 96 KHz

Resolution                                           24 Bit

ANALOG AUDIO OUTPUT

Configuration                                       Left and Right. Flat or pre-emphasized (50μS – 75μS)

Impedance                                          30 W electronically balanced and floating

Minimum load impedance                      600 Ohm

Maximum output level                           +15 dBu into 600 W load

Connector                                           XLR-type, male

Pin 1 Chassis

Pin 2 & 3 electronically balanced, floating and symmetrical

DIGITAL OUTPUT

Digital Output Sample Rate                    Software Selectable 32 – 44.1 – 48 – 96 KHz

Resolution                                           24 Bit

Digital Output configuration                    stereo AES 3 Transformer Balanced  (IEC-60958)

Digital Output Impedance                      110 Ohm  Balanced

Digital Output Level                               – 12.00 / 0 dBFS adjustable

Digital Output Connector                       XLR Male

STEREO GENERATOR (version MPX only)

Configuration                                       one output

Pilot freq.                                            19 KHz ± 0.001% Max over temp.

Pilot injection                                       +4 ÷ 12 %

Distortion                                            < 0.005 % @1 kHz

Noise signal ratio                                  70 dB (Din Audio,Bypass mode) Typical

Stereo separation                                 60 dB Typical

Crosstalk Main to Sub                           Great 48 dB 30-15 kHz

Crosstalk Sub to Main                           Great 46 dB 30-15 kHz

38 kHz subcarrier suppression                70 dB Typical

76 kHz suppression                              70 dB Typical

Composite audio level                           0 ÷ 12dB

Connector                                           BNC

Output impedance                                50 Ohm

DATA

Terminal Interface                                Ethernet / RS232- at rear, asynchronous

Data Input                                          Full duplex

Format                                               Selectable

Serial Transmission Speed                     2400 ÷ 19600 baud

Connector                                           RJ45 / RS232/ USB

Data management                                Microprocessor controlled

Non volatile memory Flash data retention 10 years

Logic  I/O

Connector                                           DB15 cannon female

GENERAL

Mains Voltage                                         90 – 260 Vac / 50 Hz full range

Dimension                                           (WxHxD) 48,3 x 19,4 x 4,4 cm 1 rack unit

Weight                                               3,5 Kg.

Operating Temp.                                  0 ÷ 50° C.

Operating  Humidity.                             Max 95% non condensing