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AEV Mirage Dig Evo, Manual

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 Mirage Digital Evolution

 

 
 

  

 

AEV Broadcast Srl  via della Tecnica 33, 40050 Argelato  Bologna ITALY 

 www.aev.eu           [email protected] 

 
 

1

 

Mirage Dig Evolution 

Broadcast Audio Processor  

DSP powered 

 
 
 
 

 

 

 
 
 

 

 
 
 
 
 
 
 
 
 
 
 

 

 

Summary of Contents for Mirage Dig Evo

Page 1: ...Mirage Digital Evolution AEV Broadcast Srl via della Tecnica 33 40050 Argelato Bologna ITALY www aev eu info aev eu 1 Mirage Dig Evolution Broadcast Audio Processor DSP powered...

Page 2: ...y visible on the package If it is not the equipment will not be accepted IMPORTANT Carefully read this paragraph as it contains important instructions concerning operator safety and directions regardi...

Page 3: ...inside the power supply indicate that there may be a fault in the power supply itself The fuses must be replaced by qualified and authorised persons It is advisable to call your nearest dealer Call y...

Page 4: ...ction 2 Description 8 2 1 Front Panel 8 2 2 Rear Panel 8 2 2 1 PWS section 8 2 2 2 communication section 9 2 2 3 RDS MPX section 9 2 2 4 digital audio section 9 2 2 5 analog audio section 9 Section 3...

Page 5: ...1 MPX Internal 25 6 1 2 MPX External 26 Section 7 Display 27 Section 8 Version 28 Section 9 Appendix to audio process 28 9 1 Indications to audio process setting 29 9 2 table audio signal 31 Section 1...

Page 6: ...electrical connections are strictly anti shake in accordance with the traditional standards to ensure trouble free installation 1 4 Programmability The Processor comes with 8 equalization curves resi...

Page 7: ...he appropriate standards for wavelength distortion traction wave lags and stability These devices must be re checked at reasonable intervals It is therefore important that the audio source connected t...

Page 8: ...a della Tecnica 33 40050 Argelato Bologna ITALY www aev eu info aev eu 8 2 Description 2 1 Front panel 1 Display color TFT for monitoring setup 2 Encoder jog 2 2 Rear panel 2 2 1 PWS section 3 PWS swi...

Page 9: ...input connector BNC 10 external MPX input connector BNC 11 MPX composite output connector BNC 12 processor Logic I O all versions 2 2 4 digital audio section 13 optical digital audio output 14 optical...

Page 10: ...m to 12 dBm with a 1 dB step The level control of the digital outputs is implemented via software on the DIGITAL OUTPUT menus The selection of the sample rate of the digital signal is realized via sof...

Page 11: ...is displayed on the HOME page the selected Input audio signal level A analog D digital AES O digital optical Analog output signal level Digital output signal level AES or Optical indication of MAIN in...

Page 12: ...ertically positioned above the LEV button BALANCE function Place the cursor on BAL Pressing on the knob enables the balance of the stereo analog input signal balance The center position of the bar L R...

Page 13: ...d graphically by means of a vertical bar and the corresponding value at the base of the bar both vertically positioned above the LEV button BALANCE function Place the cursor on BAL Pressing on the kno...

Page 14: ...decreases the signal level The value of signal variation is displayed graphically by means of a vertical bar and the corresponding value at the base of the bar both vertically positioned above the LE...

Page 15: ...d impedance value the additional pressure sets the value indicated in the box INPUT MODE Setting the input signal mode The possible selections are L R ON L ON R OFF L OFF L R ON The two input channels...

Page 16: ...odulation transmissions With FILTER 15 KHz in OFF setting Preenfasis is OFF also ON Pre phase activation the pre phasing will be applied to the audio signal 50 us the preenphasis is setted to 50 usec...

Page 17: ...sion from 20 Hz to 20 kHz By positioning the cursor on the box you activate the mode modification by pressing the knob after selecting the desired mode ON OFF the additional pressure sets the value in...

Page 18: ...ted in the box The next knob pressure sets the adjustment to the displayed value The two bars on the right side display the dynamic trend of the left and right output signal levels To save the changes...

Page 19: ...icated in the box ENHANCER With Enhancer you can increase the spatial image of the stereo sound With active Enhacer function will increase the feeling of Loudness with greater depth and spatiality of...

Page 20: ...he changes to the values in this form position the cursor on the SAVE button and press the Jog knob once at the knob pressure you save the changes and return to the MENU To exit the mask position the...

Page 21: ...the time after which the RELEASE TIME intervenes for the selected bandwidth RELEASE TIME Adjustment of the release time of the expansion for the selected bandwidth THRESHOLD Intervention threshold of...

Page 22: ...xit without store the modifications the SAVE to save and store the modifications On this page you can see the active output curve outbound select an alternate curve perform the comparison of the outpu...

Page 23: ...MONO mode This control enables the encoder modulator Setting the STEREO function changes from MONO to STEREO mode In the mono position the 19 KHz sub carrier is automatically deactivated 6 0 2 PREENPH...

Page 24: ...will be coded in Stereo MPX with the internal DSP digital coder with External selection the MPX signal present in INPUT MPX connector it will be drive to MPX output If it will be selected the OFF in...

Page 25: ...anges made LEVEL function Place the cursor on LEV A pressure on the knob enables the variation of the level of the MPX output signal Turning the knob clockwise increases the signal level Turning the k...

Page 26: ...button that saves the changes made LEVEL function Place the cursor on LEV A pressure on the knob enables the variation of the level of the MPX output signal Turning the knob clockwise increases the si...

Page 27: ...by pressing the knob PROCESS DISPLAY This function allows you to choose how to display the audio process bars on the left side of the HOME form The selectable values are BAND by selecting this mode w...

Page 28: ...n software version of DSP DSP firm2 version DSP version mounted on the motherboard Pressing the k and the MENU mask is displayed 9 0 Indications to Audio Process setting 9 1 Procedure to execute with...

Page 29: ...ommended 4 Perform the same operations on the other 3 bands going down to the band 1 to make last Now the parameters ATTACK TIME HOLD TIME and RELEASE TIME remain to be adjusted In order to obtain the...

Page 30: ...ressed very quickly which tends to make the sound dynamics less extensive 2 RELEASE TIME set to 1000mS In the displayed case the expander s intervention being slow makes the sound more mellow 3 HOLD T...

Page 31: ...nd dynamics one must try to reach the best compromise according to what will be processed An ATTACK TIME of 500mS and a RELEASE TIME of 2000ms will be fine for all the tools above Only the TRANSITION...

Page 32: ...dulation peaks compared to the average value Frequency response errors and variable delays are typically introduced by equalizers line transformers low pass filters 15 kHz and pre emphasis networks in...

Page 33: ...ive an impedance of 50 or 75 KHz at a maximum distance of 10 meters via an RG 58 cable without visible degradation of the MPX signal There is also an input that can accept SCA and RDS signals that can...

Page 34: ...Mirage Digital Evolution AEV Broadcast Srl via della Tecnica 33 40050 Argelato Bologna ITALY www aev eu info aev eu 34 11 Section Block Diagram...

Page 35: ...kHz sample rate Sensitivity 12dBu Maximum input level 26 dBu Connector XLR type female Pin 1 Chassis Pin 2 3 electronically balanced floating and symmetrical 12 3 DIGITAL INPUT Digital input configur...

Page 36: ...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 Ty...

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