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OVERVIEW OF SIGNAL PROCESSING

21

Analog 

OUT

 2

Analog 

OUT

 3

Analog 

OUT

 4

Analog 

OUT

 5

Analog 

OUT

 6

A

n

a

lo

g

IN  
A

A

n

a

lo

g

IN  B

3

DYN

EQ

RMS

Comp

6 PEQ+7 

TEQ+FIR

R

T

A

 + 

Signal Generator

Analog 

OUT

 1

LINEAR

Phase

A

n

a

lo

g

IN  C

A

n

a

lo

g

IN  D

A

B

C

D

Analog 

OUT

 7

Analog 

OUT

 8

Содержание DLM 260

Страница 1: ...PARAM 2 PARAM 3 ENTER ESC UTILITY EDIT MUTE CLIP CLIP CLIP CLIP DIGITAL LOUDSPEAKER MANAGEMENT DLM 260 USB LIMIT 12 dBu 0 dBu 12 dBu SIG MUTE CLIP LIMIT 12 dBu 0 dBu 12 dBu SIG MUTE CLIP LIMIT 12 dBu...

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Страница 3: ...olarity lteringsec on RMS compressor peak limiter A very useful func on is the ability to recall en re output channel con gura ons and a comprehensive library of output les for FBT products is availab...

Страница 4: ...ing a new product Adequate disposal of the decommissioned equipment for recycling treatment and environmentally compa ble disposal contributes in preven ng poten ally nega ve e ects on the environment...

Страница 5: ...paratus has been exposed to rain or moisture does not operate normally orhas been dropped Protect the power cord from being walked on or pinched par cularly at plugs convenience receptacles and the po...

Страница 6: ...nit must be appropriate to avoid working in a low signal to noise ra o or distor on The DLM series processors can accept up to 20dBu analog signal level which is greater than the linear output level o...

Страница 7: ...the maximum level before the A D analog to digital conversion OR that an internal Over ow is occurring due to excessive added gain on the signal path normally the Over ow is controlled by an internal...

Страница 8: ...dual interface which can be used to connect so ware and also be used forcentral control protocol transmission more the Figure has to be set belowthe following linewherewiring is de nedas g 6 ANALOG S...

Страница 9: ...g Turning PARAM 2 PARAM 3 NAVIG PARAM 1 PARAM 2 PARAM 3 ENTER ESC UTILITY DIGITAL LOUDSPEAKER MANAGEMENT LINKINPUT For the linked input channel modify the se ngs of any one of the linked channels and...

Страница 10: ...able linkage Linked Channel Mode O set INP OFF OUT OFF Linked Channel Mode O set INP ON OUT OFF Linked Channel Mode O set INP ON OUT OFF Linked Channel Mode O set INP ON OUT ON Linked Channel Mode O s...

Страница 11: ...15 SUB218 Recall a Program P01 P12 SUB18 Turning ENTER PUSH Press PARAM1 towait forthe machine to nish reading Choose P03 Turn the PARAM1 knob to the right Press PARAM1 to recall a program Press U lit...

Страница 12: ...3 di erent interfaces namely USB RS485 LAN among them the USB connec on is the easiest and the installa on driver can be directly connected to the PC RS485 needs to set the serial port number ID baud...

Страница 13: ...LAN Mode LAN Mode Mode DHCP 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 SETTINGOFINPUTCHANNEL Edit in...

Страница 14: ...nput channel the working principle is based on the equal loudness curve of the human ear to compensate and enhance the ultra low frequencyand ultra high frequency DYNAMICLOUDNESSBOOSTER PARAM 2 Turnin...

Страница 15: ...en using hard knees On the contrary using so knees can make the compression transi on smoothlyand bring a natural sense ofhearing PARAM 2 CH A RMS Cmp Enable OFF CH A RMS Cmp Enable ON Turning Compres...

Страница 16: ...RAM1 to select the lter type you can select high and low Shelf Bell High and Low pass all pass notch etc rotate the PARAM1 bu on to enter the speci c parameter adjustment PARAM2 gain PARAM3 Qvalue Fre...

Страница 17: ...el in anyra o The knob PARAM1 selects theAB input source and the PARAM3 adjusts the gain amount which can be adjusted from 30 to 0 dB NAVIG PARAM 1 PARAM 2 PARAM 3 ENTER ESC UTILITY DIGITAL LOUDSPEAKE...

Страница 18: ...provided by the unit manufacturer and the ampli ca on factor of the power ampli er to calculate the threshold the a ack me is o en determined by the period corresponding to the frequency of the high...

Страница 19: ...me is 100ms to 15000ms PARAM 2 CH 1 Peak Lim Atk Time 1ms CH 1 Peak Lim Atk Time 1sec Turning The a ack me can be adjustedfrom 0 1ms to 1000ms The DLM 260 series has built in three kinds ofcrossover...

Страница 20: ...B oct It addi onallycontains NXF Notched X overFilter the slope range is PARAM 2 CH 1 HPF Slope 48dB LR CH 1 HPF Slope 40dB NXF CH 1 HPF Slope 40dB NXF CH 1 HPF Slope 75dB NXF Turning PARAM 2 Turning...

Страница 21: ...equency 5600 Hz CH 2 PEQ 01 Frequency 5606 Hz CH 2 PEQ 01 Gain 0 0dB Q 2 9 CH 2 PEQ 01 Gain 0 0 dB Q 4 80 Turning Turning Turning Turning Turning The output matrix allows the user to mix output channe...

Страница 22: ...version 4 TCP IPv4 Selectautoma c getIPaddress CONNECTINGTOADEVICE Use RS485 protocol connec on through USB to RS485 device you can get the serial port of RJ45 port and connect directly to RS485 IN O...

Страница 23: ...21 Analog OUT 2 Analog OUT 3 Analog OUT 4 Analog OUT 5 Analog OUT 6 Analog IN A Analog IN B 3 DYN EQ RMS Comp 6 PEQ 7 TEQ FIR RTA Signal Generator Analog OUT 1 LINEAR Phase Analog IN C Analog IN D A B...

Страница 24: ...ork se ngs to automa cally obtain DHCP and then open the so ware the current processor can be found automa cally USENETWORKCABLETOCONNECT CAT5 6 Cable The PC does not need to change the se ngs by defa...

Страница 25: ...factoryforrepair When FBT releases a newversion of the rmware users can download the latest rmware from the o cialwebsite To use the marshalling func on it is recommended to use a switch to connect m...

Страница 26: ...l you can freely group the input channels you can create a new group to control the remaining ungrouped channels clickAdd a erthe selec on is complete At this me there is a small window for group cont...

Страница 27: ...on Finddevice For the situa on where the IP address of the device is unknown and the port number of 485 is inknown you can select the search func on to quickly nd the corresponding device You can grou...

Страница 28: ...ed to access need to be modi ed separatelyin the corresponding input oroutput channels 1 3 5 7 9 11 2 4 6 8 10 12 Factory 1 2 3 Recall Store Load Save you can save a single presetas a PC le orload a p...

Страница 29: ...to the corresponding channel For example copy all the contents of output 1 channel to output 3 just followthe diagram Settings 5 SETTINGS LAN RS485 channel label group se ng recall mode user authorit...

Страница 30: ...display only English characters 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 re...

Страница 31: ...ck lock and log out of the administrator account The locked itemswill be grayed out and cannot be modi ed in the so ware or the front panel When the parameters are locked and hidden the hidden areawil...

Страница 32: ...ied with plug ins and the corresponding FIR with a sampling rate of 96kHz needs to be used and the FIR generated bya third partycan be imported here Note the FIR lter of the input and output channels...

Страница 33: ...ing the latest rmware IAP rmware package click Firmware Upgrade A er the serial number and rmware version of the processor are correctlyiden ed select the correct rmware le sfu Then Click When the pro...

Страница 34: ...quickly nd the currently edited one among mul ple devices And every me the PC so ware is operated the threewhite For the copy of all presets and func ons of the whole machine all 32 preset and network...

Страница 35: ...put matrix you can arbitrarily route the signal from the input processing channel to the output processing channel The default sending volume is 0dB which is equivalent to group output When choosing d...

Страница 36: ...e channel level page displays the input post A D and output pre D A signal levels of all channelsa corresponding to the physical level meter on the front panel whereyou can intui velyadjust the channe...

Страница 37: ...0dB Working principle according to the human ear equal loudness curve when the sound pressure is low the ultra low and ultra high frequencies are increased as the sound pressure level increases the in...

Страница 38: ...y which isveryconvenient 3 13 BANDS PEQ 512 TAPS FIR FILTER Whenyou need to use FIR lteron the input channel you can select this op on to provide users with FIR correc on at the input which is suitabl...

Страница 39: ...ard The compressor is a very important part of audio processing It can change the mbre ofouroutput audio ormake the sound stable The Delay alignment op on is provided in the lower right corner of the...

Страница 40: ...elay gain equalizer RMS compressor peak limiter hard limiter etc Process 1 Linearphase lter FIR lter FIR IIR The conven onal IIR lter maintains the slope of the analog lter but will produce a phase de...

Страница 41: ...r LR24 LR48 there by keeping the phase Linear and easily coupling the phase at the crossoverpoint A er the low latency mode is turned on the delay caused by the latency coming with Linear Phase Filter...

Страница 42: ...func on types Click save at the red circle here we use band pass lteras an example If you need to use external FIR coe cient import you can select EXT in the red circle here click enterto import FIR...

Страница 43: ...ssion op on of the average level over a period of me When the compression ra ois high it is the limiter The peak limiterhas averylowa ack me and quicklysuppresses the burst signal It can be used to li...

Страница 44: ...ional types of EQ Bell classic and constant Q lter 1st order high Shelf lter 2nd order high Shelf lter Variable Q high Shelf lter 1st order low Shelf lter 2nd order low Shelf lter Variable Q low Shelf...

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