Desam DMD2 Series Page 5 Use Manual Download

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1. Product overview

1.1 Function introduction

The equipment support analog channel 16 and 1 USB extended recording channels, high-quality 21 pre amplification

circuit, DSP processing bus structure, built in function of feedback canceller, noise canceller, the echo canceller etc.,

reducing quality sound, is mainly used in various kinds of large sites, can satisfy the application requirements of theatre,

music hall, remote video conferencing, gymnasium, Chapel, conference centers, theme parks and other public sound

reinforcement system etc.. The operation is simple, intelligent control:

1. 24bit/48KHz sampling frequency, high performance A/D D/A converter and 32-bit floating point DSP

processor, full function matrix Remix features a clear voice for the user to provide superior.

2. Adjust the input sensitivity of 2, high precision, a total of 21 stalls, step 3dB, the maximum input gain 60dB.

3. efficient processing algorithm: AFC, AEC, ANS, AUTOMIXER, EQ, GATE, AGC etc..

4. rich interface extension: GPIO supports 8 channels can be custom input output GPIO, level support external

input 3.3~24V; USB interface supports recording, the scene preservation etc.; RS-485 support automatic camera

tracking function, easy realization of video conference; RS-232 bidirectional serial control interface: control or

receiving control equipment, such as video matrix, camera etc..

5. support the functions of presupposition of multi group scene, humanized operation interface software.

6. fast operation: web control mode, support Android, IOS system.

7. 1 group of USB record-play channel.

8. The IOS application has been launched .

Summary of Contents for DMD2 Series

Page 1: ...DIGITALAUDIO PROCESSOR USE MANUAL ...

Page 2: ...s written to provide all the relevant information for the series of models Due to the different signal configurations the actual product configuration may differ from the instructions This manual to use the method of full function audio processor matrix as the example and can be used as other processors using reference ...

Page 3: ...System flow 10 3 3 Software features 10 3 4 Menu and Status 13 3 4 1 Files 13 3 4 2 Setting 13 3 5 Module of Device 23 3 5 1 Input Source 23 3 5 2 Exp Gate 23 3 5 3 EQ 24 3 5 4 Compress 25 3 5 5 AGC 25 3 5 6 Auto Mixer 26 3 5 7 AFC AEC ANC Mixer Optional 27 3 5 8 Delay 29 3 5 9 XOVER Crossover 29 3 5 10 Limiter 30 3 5 11 Output setting 30 3 5 12 USB function Optional 31 3 5 13 Phone model Optional...

Page 4: ... 4 Do not use the machine in a very humid place for example near a bathtub wash basin kitchen sink and humid basement or near a swimming pool or lake 5 The product shall be installed in a well ventilated place 6 The product shall be kept away from heat sources such as electric heaters electric blankets or other heat generating products 7 The type of power supply for the product must conform to the...

Page 5: ...full function matrix Remix features a clear voice for the user to provide superior 2 Adjust the input sensitivity of 2 high precision a total of 21 stalls step 3dB the maximum input gain 60dB 3 efficient processing algorithm AFC AEC ANS AUTOMIXER EQ GATE AGC etc 4 rich interface extension GPIO supports 8 channels can be custom input output GPIO level support external input 3 3 24V USB interface su...

Page 6: ... Maximum analog gain 51dB Phantom 48V Sampling rate 48KHz 24bit A D Dynamic range 120dB Input CMRR 80 dB 24dBu 60Hz Input impedance 20kΩ balance 10kΩ unbalance Maximum input gain 24dBu D A Dynamic range 120dB Channel isolation 100dB Frequency Response 20 20kHz 0 25dB THD N 0 002 1kHz 4dBu Output Impedance 100 Ω balance 50 unbalance Maximum output gain 24dBu Power supply AC 110V 220V 50Hz 60Hz Work...

Page 7: ...l 5 RESET System reset button 6 RS232 communication interface to connect the external central control equipment support camera tracking 7 RS485 support camera tracking 8 GPIO order transfer For the specific connection mode see GPIO setting in the 2 3 appendix 9 OUTPUT Analog audio MIC LINE input interface 10 INPUT Analog audio output interface 1 I 2 I 3 I 4 OUTPUT 1 I 2 I 3 I 4 INPUT 5 I 6 I 7 I 8...

Page 8: ...se of GPIO the output is a parameter matrix of internal changes such as mute cause the change of the output level of a GPIO output pins to drive an external circuit Audio matrix internal change GPIO pin level change external driving circuit input GPIO is an input pin level due to changes in the external circuit is changed thus a parameter matrix trigger changes The external circuit state changes G...

Page 9: ...8 43 Control Control channel parameters and the opening and closing of each processor Scene Fast call and save equipment scene ...

Page 10: ...ftware permission Software installation is completed open the PC control software are as follows 1 The menu bar and toolbar menu bar various functions of software menu 2 The processor parameters control area the hidden part can drag or scroll the mouse display supports copy paste function 3 Process control area audio data flow chart click icon to set the parameters of each treatment with 4 Input o...

Page 11: ...password default username admin password 123456 click the landing the status bar indicate the following You can be controlled equipment after the scene is downloaded 3 2 System flow Signal processing flow chart Standard configuration Input Test signal Mute Expander 5EQ Compress AGC Output Delay XOVER 31 band graphic equalizer Limiter Output invert Mute Advanced configuration AFC AEC ANS AutoMixer ...

Page 12: ... 3 processor will with red check mark in the upper right hand corner Such as the selected processor as output the corresponding window 3 modules will box marked in red Already open detailed parameter setting module can double click in the flow chart of the module is closed the corresponding parameter Settings interface in detail Identified in the upper part of the detailed Settings window area dis...

Page 13: ...channel of the processor can quickly bypass and active select different channels automatically switching the display part 2 channel information If the channel number is more than can display area you can drag or rolling middle mouse wheel to display a hidden part Input 1 You can modified channel name in edit box 2 M P E Q C G is shortcut operation mode M show mute state Q show EQ state P show phan...

Page 14: ...justing current input channel fader 7 Drag or rolling around middle mouse button can display hidden channels Example open delay mode of all output channel 3 4 Menu and Status 3 4 1 Files 1 New Create a new scene parameters for the factory configuration available offline 2 Open Open the local scene file available offline 3 Save as Save the current configuration to a local file available offline 4 0...

Page 15: ...the corresponding button and then in the right setting bar Settings of the buttons For example selected in panel 2 above the first button select input volume increase choose enter 1 channel in the parameter 1 2 in parameters select the input 4 channel input 1 in the parameter 3 save the panel is completed for 2 feature set of the first buttons press this button the input all increase the volume of...

Page 16: ... to modify the user name and password edit box shows the currently selected user information enter the new information and click modify button 3 delete users select the user want to delete rows in the list click on the delete button to delete the user 4 add users on the left list is empty and in the user name and password edit box on the right should be empty input the new user s information click...

Page 17: ...address subnet mask gateway click apply button modification is completed 3 Serial Setting To view and modify the current equipment serial port information set up and then click the apply button to modify the current equipment serial port information If you want to return to the default just click reset button Settings cannot be empty ...

Page 18: ...cenes usually used for scene change 6 restore factory Settings return all scene configuration for the default configuration This equipment is offline save scenario and online save scenario in two ways Saved offline is stored in the PC will set up a good scene facilitate subsequent calls and scene replication between different devices Online save scenario is to save scene directly on the device aft...

Page 19: ...example 2 on the device Example 2 How the scene that Offline saved to loaded into the device 2 1 Such as example 1 saved offline after good scene In the search at the right hand side and connect the corresponding equipment 2 2 Connection after good equipment set up in the menu bar Settings setting equipment choose you need to set the scene such as choosing the current scenario 5 click the upload t...

Page 20: ... first then load can be directly use online save scene steps are as follows 3 2 After connecting device parameter change scene open all the mute as follows 3 3 In the menu bar Settings device Settings setting click save 3 4 Saved after the success either restart your device or switching scenarios scenario 5 mute button is ...

Page 21: ...ce parameters 3 The default microphone refers to all mike no input turn the camera to the position or send default MIC Settings mike definition associated command Among them with said for the virtual number only is used to set the default MAC 4 Reaction time maximum intermittent time effective signal If use a microphone to talk set the response time for 3 seconds speech pause between still within ...

Page 22: ... the MAC address associated with the corresponding cameras And then through the enable the microphone Settings option to determine when to enable tracking the microphone Settings are valid 13 camera Settings is a camera debug interface general debugging good camera position before the start of the track the last part of the parameters will be stored in the camera 14 a serial port Settings first se...

Page 23: ...22 43 6 GPIO Setting Please refer to the appendix ...

Page 24: ...ander amplifies and outputs the signal input by the ratio set Level output threshold threshold level input ratio when the signal input is more than threshold it is output by 1 1 Level output level input when the ratio is adjusted by the maximum value the expander becomes a noise gate Bypass the signal input is bypassed and the signal will go directly to the next processing module If it is pressed ...

Page 25: ... long as you click to select the corresponding frequency range button you can restore the original 0dB status inactivating the bypass of this band without affecting others Center frequency the frequency that needs equalization processing shall be between 20Hz and 20000Hz When we change the value the icon of equalizer will also react synchronously Gain the gain attenuation at the center of frequenc...

Page 26: ...he compressor will be enabled Threshold is the initial level of compression When the signal is more than this limit value the compression processing module will be enabled to compress the signal when the signal is less than this limit value the compression processing module will be disabled and the signal input will be fed directly to the output Ratio the compression ratio of signal over threshold...

Page 27: ...ss than this limit value the automatic gain processing module will be enabled to gain the excessively small signal Bypass the signal input is bypassed and not be processed 3 5 6 Auto Mixer Automatic mixer adjust gain from each input channel in real time to adapt the general level through improving the high signal gain reducing low level signal gain to maintain the overall system gain Each channel ...

Page 28: ...djusting priority If the 2 channels are receiving a signal having the same level high priority channel will be a higher gain Channels between each difference of 1 priority units the gain will differ 2dB if Slope is set in 2 For example in channel 1 s priority is set to 6 channel 2 priority is set to 3 when the two channel receiving the same level signal channel 1 is 26dB more gain than channel 2 O...

Page 29: ... and 2 2 the selected output channel 7 said the results from channel 7 output Example 2 AEC Local signal as the input channel 1 remote signal as the input channel 5 from channel 1 signal filtering channel 5 signal and output in the channel 7 the configuration is as follows 1 select the local signal input channel and remote signal channel 5 2 the results from the channel 7 output Example 3 ANC Open...

Page 30: ...put channel 1 and 2 said the results output to channel 1 and 2 3 5 8 Delay Signal from the input to the output of the processor the processor time interval usually used to produce reverb or echo effects Also it can be used for the auxiliary speaker with a larger processing 3 5 9 XOVER Crossover ...

Page 31: ...signal output is equal to threshold When the signal input is less than threshold the signal output is equal to the signal input Bypass The signal input is bypassed and not be processed Threshold the initial level for limiter when the signal is above this limit the limiter processing module will start to limit excessively large signal Release Time if the input signal is lower than the threshold it ...

Page 32: ...ute and volume control button 6 Play list 7 Up button 8 Down button 9 Delete button 10 Refresh play list 11 Volume control button Example Play the song on the U disk and send the sound to the output channel 1 1 Choose 1 switch output corresponding to the matrix in the mixing interface play column 2 Double click the name of the song or play button and start playing the song 2 USB sound recording 1 ...

Page 33: ...isk red said the device connected to the U disk flashing that is recording 6 record volume control button Example Record the sound of the input channel 1 to the U disk 1 in the REC output line interface mixing matrix selected input 1 corresponding points 2 Click the start recording button enter the recording file name and then click start 3 5 13 Phone model Optional Interface 2 4 5 6 1 2 3 4 ...

Page 34: ...lick on the button below to add contact up to 200 can be added to contact 2 The interface shown in the middle is the contact list the list of each line shows the contact id name and number click the three buttons on the right can call the contact number respectively modify the contact information delete the contact 3 The interface is the top contact search box in the search box input contact and t...

Page 35: ...call interface is as follows Call log 1 The recent call records is on the top of the list It display up to 32 call records 2 Every records show the contacts number call time and incoming and outgoing information click the delete button can remove the call records Phone setting ...

Page 36: ...terface is as follows Select the input section of the Dante channel open the input control in the select device channel drop down box can be seen in the current network has been connected to the Dante device and channel list Select the channel number corresponding to the device to complete the current channel Dante access the corresponding device of the output channel will be through the Dante mod...

Page 37: ...as other Dante devices in the network to search and according to the needs of each other is set to become the source of its input signal In the settings menu you can view the current device Dante module information and set the Dante module As shown in the following figure ...

Page 38: ... or so the whole machine will not restart but all the channels will be temporarily banned Dante backup when the select switch equipment of two Dante network will use the same configuration select backup two Dante network for the device will be divided into primary and secondary can also received two networks power grid communication fault signal discontinuous transmission ...

Page 39: ... can be used to trigger another GPIO or other equipment Output connection method 2 Drive relay relay can be used to control the alarm device built in the continued flow diode In accordance with the above method is also need to follow the following settings on the Software Settings Device settings Select GPIO channel gpio 2 in this case Set GPIO direction as output a If the Scene Display is selecte...

Page 40: ... other scenes are loaded at which time PIN 2 will output 1 b The specific settings are as follows if Level Display is selected As the level of input channel 1 of the audio matrix reaches 28 dB PIN 2 will output 0 and remain the same before the level decreases at which time PIN 2 will output 1 c The specific settings are as follows if Mute Display is selected As the input channel 3 of the matrix is...

Page 41: ...s 0 and remains the same before any channel is not muted at which time PIN 2 outputs 1 Settings Device settings Select GPIO channel gpio 2 in this case Set GPIO direction as input a Scene Setting As is shown in the above chart the audio matrix will load Scene 2 automatically when the level of GPIO input channel 2 is changed from low to high ...

Page 42: ... changed from low to high c Volume Setting Input output type refers to the input sound volume output sound volume of the control system Gain Step refers to the dB change corresponding to the step of the adjusted sound volume due to each trigger and there are two effects i e Increase and Decrease which refers to the increased or decreased sound volume caused by each trigger As is shown in the chart...

Page 43: ...nience of reading automatically by the interface The blank spaces will be filtered off before the orders are transmitted so the transmitted orders consist of successive hexadecimal characters As is shown in the above chart the system will perform the hexadecimal order when the level of GPIO input channel 2is changed from low to high Notes the input characters must hexadecimal characters otherwise ...

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