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1dB Step

0.1dB Step

PM1

PM2

Turning

PM1

Turning

PM1

5.3.3Gain
The  controllable  gain  range  is  from -18  to  +12dB  in 

0.1dB steps

.

5.3.4

  

Polarity

The  overall  polarity  can  be  selected  as  normal 
polarity or -180° reverse polarity, which can be used 
to match the phase of the loudspeaker or correct the 
overall inversion caused by the wrong connec on of 

the signal cable

.

5.3.5

  

Delay

The  output  part  provides  a  maximum  delay  of  170 
milliseconds,  which  can  be  used  to  align  the  me 
between  the  mul -way  units,  in  a  step  of  10.4 

microseconds/0.01 milliseconds

.

5.3.6   RMS compressor
It is mainly used to limit the RMS power of the unit. It 
needs to cooperate with the  AES power provided by 
the unit manufacturer and the amplifica on factor of 
the  power  amplifier  to  calculate  the  threshold;  the 
a ack  me  is  o en  determined  by  the  period 
corresponding  to  the  frequency  of  the  high-pass 
filter,  and  the  release  me  is  always  set  to  16  mes 

the startup  me

。

For example, the AES power (2h) of a HF driver is 100 
wa s, the impedance is 16 ohms, the crossover point 
is 1000 Hz, and the amplifica on factor of the power 
amplifier  is  40  dB,  then  according  to  P=U2/R,  the 
maximum  input  voltage  of  the  unit  is  40  volts, 
divided  by  The  power  amplifier  magnifica on  is  100 

mes, the voltage limit should be ac vated when the 

signal  level  is  0.4v,  0.4v  is  converted  to  20log 
(0.4/0.775)  to  get -5.84  about -6dBu,  that  is,  the 
threshold  is -6  dBu;  the  cycle  corresponding  to  the 
crossover point 1000 If it is 1 ms, then the start  me 

can be set to 1 ms, and the release  me is 100 ms

.

Compressor switch

.

The  a ack  me  can  be  adjusted  from  0.1ms  to 

1000ms

.

The  start  threshold  can  be  adjusted  from -10dBu  to 

+20dBu

.

Release

 

Time

 

can

 

be

 

adjust

 

from

 

100ms

~

15000ms

.

17

MIR-A

MIR-A Speaker Management

Software specification

Turning

PM1

Turning

PM1

ENTER

PUSH

1dB Step

0.1dB Step

PM1

PM2

Turning

PM1

Turning

PM1

Turning

PM1

*1ms

PM1

PM2

10um

Содержание MIR-A Series

Страница 1: ...MIR A Speaker Management Systems MIR A Series User Manual software v0 3 3 REVISION A1 DEC 2021...

Страница 2: ......

Страница 3: ...ence receptacles and the point wherethey exit from the apparatus Only use a achments accessories speci ed by the manufacturer Unplug this apparatus during lightning stormsor when unused for long perio...

Страница 4: ...strongly recommends that this equipment be installed only by a professional sound installer or contractor Please think of our environment and don t bin any materials including this manual When the pro...

Страница 5: ...e are up to 13 types of parametric equalizer PEQ can be selected The output crossover lter includes the classic Linkwitz Riley Bessel Bu erworth even NXF Norched X over Filter and the FIR lter with a...

Страница 6: ...0dBu analog signal level which is greater than the linear output level of most mixers so the impact of this type of problem is reduced When performing equaliza on processing pay a en on to the boosted...

Страница 7: ...on it means that the input signal reaches 40dBu 12dBu 0dBu 6 dBu and 12 dBu represent the actual RMS value of the signal When the Over light is on it means the signal reaches the Hard limiter thresho...

Страница 8: ...P UDP protocol IP address defaults to DHCP Rs485 protocol interface providing 1 input and 1 output dual interface which can be used to connect to so ware and can also be used for 3rd device protocol t...

Страница 9: ...where you can select Analog input or built in Signal generator 5 1 2 Signal Generator Se ngs Use the PM1 knob to select pink noise or white noise and use the PM2 knob to adjust the signal level from...

Страница 10: ...ence is Click the u lity bu on Use the NAV knob to select system Click Enter to enter the submenu Rotate PM1 to the right to select 3 channels Turn right PM2 to turn on Con nue to rotate PM1 to the ri...

Страница 11: ...ess Enter to con rm 5 1 7 View rmware version You can check the rmware version of the current processor you can go to the our website to download the latest version of the rmware to get func on update...

Страница 12: ...ns Under the se ngs turn the RAV knob the last op on is the network se ng the network se ng is used to connect to the processor management so ware and provides 3 di erent interfaces namely USB RS485 L...

Страница 13: ...of input channel Edit input channel Click the EDIT bu on below the processor level meter to edit the processing module of the input channel long press to mute the current channel ENTER PUSH ENTER PUSH...

Страница 14: ...ise gate The threshold can be adjusted from 80 dBu to 45 dBu through Pm1 The startup me can be adjusted from 1ms to 1000ms by rota ng Pm1 The release me can be adjusted from 1ms to 1000ms by rota ng P...

Страница 15: ...di erent listening feelings and make up can also be used to compensate for the loss of loudness And with a variable knee se ng the default 0 is the hard knee and the threshold is the compression star...

Страница 16: ...PM1 Turning PM1 When you need to use FIR you can use the combina on of FIR 17 PEQ You can also use the Target EQ PEQ that can be saved separately The most complete combina on is PEQ TEQ FIR 5 2 9 FIR...

Страница 17: ...TEQ overall on o Note When PEQ mode is selected as full PEQ TEQ is not available that is N A is displayed 5 2 11 TEQ Target EQ Types include BELL HiShvQ LoShvQ LP Q HP Q 5 2 12 PEQ1 31 Speci c turning...

Страница 18: ...djust the gain of input A to 0dB press Esc to complete On o Gain PM1 PM2 ENTER PUSH Push 5 3Edit output channel EDIT bu on click into the lower level processor can edit the table processing module out...

Страница 19: ...o the frequency of the high pass lter and the release me is always set to 16 mes the startup me For example the AES power 2h of a HF driver is 100 wa s the impedance is 16 ohms the crossover point is...

Страница 20: ...of start me and release me in the hard limit By directly se ng the limit threshold the internal signal ow is prevented from being distorted It can be used to match the gain structure of the front and...

Страница 21: ...hich cannot be adjusted on the front panel IIR mode MIR mode FIR mode IIR FIR mode only 4 band of PEQ can be used in this mode The so ware contains 4 combina ons of lter forms including IIR MIR FIR II...

Страница 22: ...cy adjustment to the right Rotate PM1 to adjust the frequency to 5600Hz use PM2 to ne tune to 5606Hz Press ESC to return Rotate NAV right to adjusts the Q value Complete return Types include BELL HiSh...

Страница 23: ...utput 2 you need to do the following Click the EDIT bu on below output 1 Rotate NAV key to the end of CH1 rou ng Rotate PM1 to select output channel 2 Rotate PM2 to adjust the gain to 0dB Click Esc to...

Страница 24: ...elay 4PEQ Hard Limiter IIR FIR MIR Routing Matrix RMS Comp RMS Comp RMS Comp RMS Limiter PEAK Limiter PEAK Limiter PEAK Limiter PEAK Level Level Level Level Polariaty Polariaty Polariaty Polariaty Noi...

Страница 25: ...panel are designed with loop out design When only one device is connected Can be plugged into RS485 IN OUT at will When using the USB interface to connect you need to pay a en on to the following poin...

Страница 26: ...cally obtain DHCP and then open the so ware Then the current processor can be found automa cally As shown USB Cable CAT5 6 CABLE When using only one processor you can use DHCP to connect to the proce...

Страница 27: ...on cable to adapt Generally current household models do not provide serial ports so USB to serial converters are needed and MARANI provides USB to serial ports RJ45 type converter USB 485 RJ The inter...

Страница 28: ...ck the input channels that need grouping control you can freely group the input channels you can create a new group to control the remaining ungrouped channels click Add a er the selec on is complete...

Страница 29: ...of a known machine with a xed IP address USB RS485 use to add the corresponding device for online opera on Find device For the situa on where the IP address of the device is unknown and the port numb...

Страница 30: ...nt preset to the factory Factory reset default state without a ec ng other presets stored in the machine Load Save 1 1 1 2 2 2 3 3 3 MIR A MIR A Speaker Management Software specification So ware main...

Страница 31: ...e copied and select the func on to be copied at the same me then the required func on can be copied to the corresponding channel Copy For example copy all the contents of output 1 channel to output 3...

Страница 32: ...and Arabic numerals are supported Group Reset a er using the group the last saved group informa on is s ll in the input channel If you need to remove it you need to reset the required channels in the...

Страница 33: ...reset The administrator password is 111111 by default Click Lock and log out of the administrator account The locked items will be grayed out and cannot be modi ed in the so ware or the front panel Wh...

Страница 34: ...Bu e nd all processes are in Flat It is turned on by default 32 MIR A MIR A Speaker Management Software specification Plug in func on Extra processes can be added in plug in shape on Input path in add...

Страница 35: ...signal generator The signal generator and RTA icons will appear This is the main interface when the advanced generator and RTA are not selected 33 MIR A MIR A Speaker Management Software specification...

Страница 36: ...ds to be connected via a network cable that is the rmware cannot be updated via USB RS485 connec on To get the latest rmware you can visit Marani o cial website Marani Pro Audio marani proaudio com IF...

Страница 37: ...an be locked to prevent the panel from being mis operated by others 9 9 9 Login 10 10 10 GUI 11 11 11 Panel 35 12 12 12 Identify A er pressing the iden ca on bu on the level lights on the front panel...

Страница 38: ...hannel to the output processing channel The default sending volume is 0dB which is equivalent to group output When choosing di erent sending volume it is equivalent to real Mixing Matrix sending and t...

Страница 39: ...e input post A D and output pre D A signal levels of all channels corresponding to the physical level meter on the front panel where you can intui vely adjust the channel level and mute A new func on...

Страница 40: ...the increase ra o approaches 0 so that a more average sound pressure level can be obtained Sense of hearing How to set First set the maximum allowable boost level the default is 9dB for low frequency...

Страница 41: ...PEQ 512 taps FIR lter need to use FIR lter on the input channel you can select this op on to provide users with FIR correc on at the input which is suitable for AEQ room acous c correc on Note This F...

Страница 42: ...release me according to the comparison of the Signal Crest Factor and RMS value within a period of me Makes the compressed signal sound more natural and smooth rather than the abrupt feeling caused by...

Страница 43: ...imiter hard limiter etc 5 41 Process 1 MIR linear phase lter FIR lter FIR IIR combined lter MIR A MIR A Speaker Management Software specification The conven onal IIR lter maintains the slope of the an...

Страница 44: ...e lters replicate exactly the slope of the analog lter LR24 LR48 and adds NXF 40dB without phase shi ing thereby keeping the phase Linear and easily coupling the phase at the crossover point A er the...

Страница 45: ...d circle here we use band pass lter as an example If you need to use external FIR coe cient import you can select EXT in the red circle here click enter to import FIR coe cient le External F I R suppo...

Страница 46: ...sses the burst signal It can be used to limit the maximum displacement of the speaker voice coil in conjunc on with the X max voltage data given by the speaker manufacturer MIR A MIR A Speaker Managem...

Страница 47: ...line The device in the picture is not ac vated If you need to ac vate please contact your sales 45 For the Licensed device you can click AEQ in the upper right corner of the input or output to open AE...

Страница 48: ...ond page of IR impulse response acquisi on The main problem here is to correctly select the measurement microphone channel and the output channel of the test signal Remarks Only sound cards compa ble...

Страница 49: ...the sound card and measurement output channel you can proceed to the next step that is the calibra on of the test soundpressure level Click MIC TEST to enter 47 MIR A MIR A Speaker Management Software...

Страница 50: ...utput knob and input knob of the ASIO sound card to make the sound pressure level su cient during the whole measurement process and the measured signal level indicated by the level meter does not exce...

Страница 51: ...veraging you can use Smaart V8 s o w a r e t o p e r f o r m m u l c h a n n e l measurement and then export the ASCII le in txt format and then import it here Click to open the le you can choose to i...

Страница 52: ...IR A Speaker Management Software specification MIR A Obtained similarly the phase can also be segmented and smoothed with di erent smoothness The of the impulse response can me window avoid the re ect...

Страница 53: ...r example to compensate for High frequency Get the green curve You can also add PEQ manually in order to get star ng from the at or Auto curve a real TARGET RESPONSE where the Curve can be set y the u...

Страница 54: ...you need to manually select The lter type here depends on the lter type selected at the input or output part For example we select FIR 8PEQ on output channel 1 FIR lter can be used at this me If sele...

Страница 55: ...ification For example it is necessary to avoid the 800 2000Hz segment and process 20 800Hz and 2000 20000Hz It can be obtained that the amplitude of 800 2000Hz remains as it is and only the posi ons l...

Страница 56: ...ber frequency gain and Q value of the IIR lter used will be displayed here MIR A MIR A Speaker Management Software specification If you choose FIR mode you can ck PHASE that is process the phase at th...

Страница 57: ...taps used by the lter You can also use automa c delay to reduce the amount of delay in FIR calcula ons Op onal minimum phase linear phase The minimum delay and minimum error can be selected in the del...

Страница 58: ...Save and listen You can save and upload AEQ results on this page 56 MIR A MIR A Speaker Management Software specification...

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