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IDT DBP 7+4 User Manual

Digital band processor, digital audio processor
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Digital Band Processor 7+4
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Summary of Contents for IDT DBP 7+4

  • Page 1 Digital Band Processor 7+4...

  • Page 2: Important Warning

    Never try auto-maintenance or repairs on any machine without the written authorisation of IDT Sound Processing Corporation or a maintenance expert mandated by the company (a list can be supplied by IDT Sound Processing Corporation). Should these conditions not be respected IDT Sound Processing Corporation shall suspend all guarantees.

  • Page 3: Something To Read Before Setting Up

    IDT Sound Processing Corporation has loaned you a processor. This loan is not invoiced but care must, naturally, be taken to make sure that it is returned to IDT Sound Processing Corporation in exactly the same condition it was delivered to you.

  • Page 4: Maintenance Of Your Processor

    15cm paying particular attention to the duct where the ventilator is placed (to the left of the processor on 2U racks like the DVP and DBP 7+4, and to the right on IU racks like a DEP, DBP 2 or 4 and VVP).

  • Page 5: Eu Declaration Of Conformity

    IDT Sound Processing Corporation - Technoparc - 5 Allée Moulin Berger - 69130 Ecully – France Tel. +33/(0) 472 18 19 20 – Fax. +33/(0) 472 18 19 21 – E-mail : mail@idt-fr.com - Web : www.idt-fr.com SAS au capital de 37 000 € - RCS LYON 450 741 921 – N° TVA : FR 88 450 741 921 – APE : 221G...
  • Page 6 igital rocessor Audio Processor User Manual...

  • Page 7: Table Of Contents

    Local Switches/GPIO................20 TX1 & TX2.................... 21 AC Input ....................23 II-2 The Display of the DBP 7+4 ............25 II-3 Installation of the software ............27 II-4 Connecting the DBP 7+4 to a PC............. 32 Configuration the connections ............33 1.
  • Page 8 IV-2 - THE STEREO BOOST ..............77 IV-3 – LE MPX GUARD ................81 IV-4 – THE DORROUGH METER .............. 85 Simplified bloc diagram of the DBP 7+4............ 91 Examples of uses of the DBP 7+4.............. 92 General specifications................93...

  • Page 9: Abbreviations

    Abbreviations Some of the abbreviations used in this manual may not be familiar to all readers: Analogue to Digital converter Audio Engineering Society Alternatives Frequencies Automatic Gain Control Type of RF connector Compact Disc European certification Electro Magnetic Compatibility Serial data communication port Clock Time Digital to analogue converter Type of connector SUB-D in 9 points...
  • Page 10 Read Only Memory Radio Text Real Time Clock Receiver SUB-D Type of connector multipoint Traffic Announcement TCP/IP Communication Protocol Total Harmonic Distortion Traffic Program Transmitter UECP Universal Encoder Communication Protocol Volt Volt Crete Crete Volt peak to peak Vrms Effective volt Style of 3-conductor audio connector...

  • Page 11: I - Introduction

    Modifications have been brought hardware wise thus improving the exchange of digital audio data. This manual will help you to rapidly take control of your DBP 7+4 and to master its power to obtain a modulation that is dense yet natural.

  • Page 12: Installation

    Physical Installation As you will have noticed all IDT products are of a 19 inch format so that it fits into dedicated racks. The following indications must be respected. We advise using a rack-mount; however, the front panel was designed to be sturdy enough to be self-supporting with the four screws firmly implanted.

  • Page 13: Electrical Installation

    4 screws of the front panel to the rack to allow. All IDT processors also have a ground connector at the rear of the unit which allows a connection to the rack.

  • Page 14: Connections

    II-1 - Connections XLR audio in / Out The I/Os of the DBP 7+4 are linked by" XLR 3 Pin" connectors The wiring is the following : Pin number 1 = Ground Pin number 2 = Hot Point Pin number 3 = Cold Point...
  • Page 15 Specifications : Input: Type Electronically balanced Cabling Ground=1, Hot point=2, Cold point=3 Impedance 10 K Maximum level + 24 dB Output: Type Electronically balanced Cabling Ground=1, Hot point=2, Cold point=3 Impedance 600 Ohms Maximum level + 24 dB...

  • Page 16: Xlr Aes / Ebu In / Out

    In the first case the DBP 7+4 will act as transmitter and will deliver the synch frequency to the other units in the digital chain. In the second case the DBP 7+4 will act as a receiver and will be controlled by an external clock.
  • Page 17 BNC Synchro I/O The DBP 7+4 has a female input socket so you will need a male BNC to link up to the synch. Specifications : Input: Type Balanced on transformer AES type AES 3 Professional Cabling Ground=1, Hot point=2, Cold point=3...

  • Page 18: Rs 232 - Rs 232 Modem

    RS 232 - RS 232 Modem The DBP 7+4 has 2 types of RS 232 standard serial inputs : RS 232 RS 232 Modem The possibility of leaving a modem connected permanently: As you can see one of the serial ports is called "RS 232 / Modem". This port allows the use of a modem to facilitate its set up.

  • Page 19: Ethernet Port (Optional)

    Ethernet Port (optional) The DBP 7+4 (optional) has an RJ45 Ethernet port available for an IP link (internet Protocol). LEDs can be viewed next to the connector to show the state of the network. Connector type RJ45 Cabling 10 Base T...

  • Page 20: Local Switches/Gpio

    The "Local Switches" connectors are there to allow the switching of presets via GPI. On the DBP 7+4 the connector is a SUB D 15 pin. The DBP 7+4 allows you to switch presets by linking ground to one of the First 10 pins.

  • Page 21: Tx1 & Tx2

    TX1 & TX2 he DBP 7+4 has 2 multiplex outputs "TX1 et TX2" which can be set via the software. The conne ctors are female BNCs. ARNING : as the MPX signal is quite "fragile", we advise you to use the shortest cables possible.
  • Page 22 Ground=body of the connector, Hot point= central Pin Impedance > 5k As any stereo coder, the DBP 7+4 is endowed with a synch 19 kHz output, this one is delivered on a BNC female connector. Specifications for synch 19 kHz...

  • Page 23: Ac Input

    The DBP 7+4 has a wide band power supply meaning it can take from 115 or 230 volts in 50 or 60 Hz with no need for any manual change. We advise you to use T2A...
  • Page 24 Specifications: Connector type Fuse Type Pour 115V : 4AT 250V Pour 230V : 2AT 250V From 88 to 132 VAC / 176 to 264 VAC (automatic Power switch) Consumption 110V - 240V = 130 VA...

  • Page 25: The Display Of The Dbp 7+4

    II-2 The Display of the DBP 7+4 Navigation and enter are centralised on 4 buttons on the front panel: • The "Tab" button allows you to move from left to right through the various functions or menus on the screen.
  • Page 26 Setting the phones To set the phones from the front panel of the processor do the following : o Press "Up" and Down" at the same time and you will access the "PHONE" display. o Press "Tab" twice to get the setting cursor for the phones level. o Press "Up"...

  • Page 27: Installation Of The Software

    II-3 Installation of the software WARNING: The control software for the DBP 7+4 is compatible with the following operating systems: Windows 95 Windows 98 and 98SE Windows NT 4.0 from SP3 Windows 2000 Windows XP In any case you must have installed the Internet Navigator Explorer 5.5 minimum for the on-line display.
  • Page 28 Read the user license attentively, accept then click« Next ». Chose the type of installation desired depending on the processor you have acquired.
  • Page 29 You can also install the configuration tool for the Ethernet card if you have this option installed in your processor and place an icon for the application and/or the upgrade tool on your desktop or in the « Quick Launch ®» bar. Then click«...
  • Page 30 Choose the folder where the software will be installed (by default; « C:\Program Files\IDT Sound Processing »), and click « Next ». You can modify the place where you find your shortcuts in the Start menu of Windows. Click « Install ».
  • Page 31 You should restart your PC to make sure the software has been installed correctly. You could wait but we can’t guarantee that the software will launch correctly. You have now correctly installed the DBP 7+4. All you have to do now is link up to the DBP 7+4.

  • Page 32: Connecting The Dbp 7+4 To A Pc

    II-4 Connecting the DBP 7+4 to a PC There are several ways to connect your PC to a DBP 7+4: Direct connection (Serial port RS232) Connect the serial cable (supplied) to the RS232 serial port of the PC (female connector) and to the male RS232 port of your processor. (front or rear of the unit).

  • Page 33: Configuration The Connections

    Normally there is nothing to configure this connection. During the first launch of the application the software will display the following dialogue box: Choose the COM Port you want to connect the DBP 7+4 to, and click « OK ». The COM Port selected will be memorised for the next connection.
  • Page 34 If the connection doesn’t work do the following: To access these parameters go to the peripherals manager, and double-click the COM Port you want to parameterize. Different configurations can work, but IDT Sound Processing Corporation cannot guarantee that everything functions perfectly.

  • Page 35: Connection By Modem

    The software will then display « phone book », of the DBP 7+4s to which you can link up by modem. By clicking « New Entry », you can add a DBP 7+4, by entering the name of the programme, the town where the DBP 7+4 is located and above all the phone number to call.

  • Page 36: Connection By Tcp/Ip

    The « IP book » display will appear showing DBP 7+4s you can connect to via TCP/IP. Buy clicking « New Entry », you can add a DBP 7+4, by entering the name of the programme corresponding to the town where the DBP 7+4 is located and, above all the IP address of the IP Ethernet card.
  • Page 37 Launch « IP Remote Manager » via the shortcut in the Start menu: « programs, IDT Sound Processing, Tools, IP Remote Manager ». Click the Serial Port button ». The software will scan all the serial ports of your PC to find the processor. The...
  • Page 38 The software will display the results of its research: Select your processor and click « next ». NB : This window can be useful for your network administrator. He can read the MAC addresses of your processors, essential to create DHCP reservations.
  • Page 39 On this window you have to give your processor a name (NETBIOS) and to give a fixed IP address. Ask your administrator to give you the other parameters (network properties) to ensure that communication can be established between your PC and the processor. This window will also allow you to return to a DHCP. By default, the TCP communication of our processors is 5001.
  • Page 40 Firewall / Access control : The IDT Sound Processing Corporation Ethernet cards have a simplified firewall which accepts or refuses connections coming from different IP addresses. These parameters should be set up with the administrator. To finish click « End ».The programme will then send the configuration to your processor after you have confirmed.
  • Page 41 SNTP synchronization The Ethernet cards of IDT Sound Processing Corporation processors allows the synchronization SNTP (Simple Network Time Protocol). This function so allows synchronizing the hour of your processor as well as the integrated functions as the RDS. On this screen, you specify the Time Zone, the IP address of the SNTP server, the interval of synchronization in minutes then the activation or not of the synchronization.

  • Page 42: Additional Software

    This software is included in the program of standard installation which was delivered to you on the CD accompanying your equipment. An icon has been created in the start menu "programs, IDT Sound Processing, Tools". Click this icon to begin the process of update of your processor.
  • Page 43 Click the drop down menu in the top of the window to select the communication port. The following screen displays:...
  • Page 44 Select the COM port, in the example this above "COM 1". In the central window, is shown the information relative to the Upgrade which you go to make. To select the Upgrade to make two possibilities are offered to you: 1- By the drop down menu as this below : 2 - By clicking "Browse"...
  • Page 45 Also, the updates develop the firmware of the device, and erase all the data of the device. IDT Sound Processing Corporation tries as possible to protect the compatibility of presets between two versions, but it is not still possible, it is thus advised to test presets create with a previous version before putting them "on air".
  • Page 46 During the state of the Upgrade the software will ask you to make a switch off of your processor during some seconds At the end of the Upgrade the software shows the following screen :...
  • Page 47 If the software does not show this screen, please switch off and switch on your processor, then begin again the process since the beginning. In case of new failure of the update, please contact immediately IDT Sound Processing Corporation.

  • Page 48: Ip Upgrader

    IP board from the IDT Sound Processing Corporation. This software is included in the standard installation programme which has been delivered with your unit. An icon is created in the start up menu « programs, IDT Sound Processing, Tools ».
  • Page 49 Click the icon " Serial Port Connection " the following screen displays. Select the processor to be updated and click on “ Next “ button.
  • Page 50 When the IP board was updated the following screen displays. Click "Finish" then on "Yes" or "No" according to if you have another card IP to be updated.

  • Page 51: Settings

    The software will start by doing an inventory of the equipment and plug-ins contained in the unit. If the DBP 7+4 is not set to the same time and date as your PC the software will propose to link the two;...
  • Page 52 The main window of the software will then open. Take a few minutes to familiarize yourself with the Window as it will accompany you throughout your work with the DBP 7+4. To view all the windows at one glance go to the « More Windows » menu and click «...

  • Page 53: Menu Bar

    MPX Guard, Dorrough meter, phone routing, phone level setting, Quick compare, Key tools, Arrange Windows. Help : for the DBP 7+4 et choice of language, loading of plug-ins, loading a license, info on the license loaded, About 2. The Vu-metres The top part of the screen is dedicated to the vu-meters.

  • Page 54: The Central Icon Bar

    3. The central icon bar The central icon bar allows access to the main control screens of the DBP. Located in the centre optimised ergonomics are guaranteed; • Preset : Access to the "Factory Presets" and "User Presets». • AGC : Access to the parameters of the AGC. •...

  • Page 55: The Central Window

    It’s here that you will take full control of all the parameters of the DBP 7+4. Above the Band Process window of the DBP 7+4. To access the other functions, scroll down the bar located to the left of these functions.

  • Page 56: The « Key Tools » Window

    • Scheduler : This label indicates that the Scheduler is active. • Bypass : This label is displayed when part of the DBP 7+4 is in by-pass. If several parts are in by-pass the corresponding labels will be displayed: "AGC Bypass", "Proc.

  • Page 57: The Other Tags

    The MPX Guard Tag This tag is only active if the plug-in has been loaded in the DBP 7+4. Refer to the section concerning this plug-in. The Result Routing Tag Measure the density of the signal before and...
  • Page 58 Dorrough Meter Tag This tag is only active if the plug-in has been loaded in the DBP 7+4. Visualisation of the average levels and monitors Loudness. Quick Compare Tag Rapid switching between presets to compare and contrast.

  • Page 59: Iii-2 - The First Settings

    III-2 – The first settings The first thing to do is to set the levels to correspond to you transmitter and to the standards applied in your country. 1. Setting the levels WARNING ! ! ! Do not make these modifications while the DBP is linked to a transmitter.

  • Page 60: Setting The Analogue And Digital Levels

    You can control the level of deviation with the Henry curve of the DBP 7+4 or with the recording level gauges TX of the screen "Level ": If these results do not correspond to the levels measured by external equipment consult «...

  • Page 61: The Presets

    Just below the display of the vu-meters you will see the icon bar which allows access to each function. To access the Factory Presets click the Preset icon. To the left you will see the explorer for the DBP 7+4 @ FM. At the top of the tree you will find 2 folders in the Digital Virtual Processor, Factory Presets and User Presets.
  • Page 62 The User Presets folder : This folder can contain up to 60 Presets and is located directly in the memory of the DBP 7+4 @ FM. 1. To load a Factory Preset into the User Presets folder: There are 2 ways. Choose the one you prefer.
  • Page 63 In this screen, you can choose the type of input specific for a preset, the « cross fade » as well as the pin on the local switch to be used to switch the DBP 7+4 to this preset. This window also gives you information on the original preset and the...

  • Page 64: Iii-3 - Calibration

    WARNING ! This process will cut the audio signal and will replace it by a « sinus » ! Don’t start this ON AIR. Start by clicking « Calibrate the DBP 7+4 » in the « Set Up » menu You will then find a number of screens that will guide you through the calibration of your DBP 7+4.
  • Page 65 With this first window you can see if your processor has lost its configuration, then reload a calibration that you have saved on your hard disk or floppy. When you calibrate your processor this file is automatically saved on the hard disk. To calibrate your processor click «...
  • Page 66 4.40Vpp (volts peak to peak). You have to raise or drop the cursor until this value has been attained by your measurement equipment. The second stage is similar except that the DBP 7+4 transmits a sinus signal at instead of 500Hz. These 2 stages are necessary to obtain a frequency response that...
  • Page 67 Both stages are similar. They concern the analogue outputs of the DBP 7+4. You will note that our output is parameterised at 6 dB which corresponds to 4.40 Vpp. Here again the aim is to adjust the cursors to obtain the right value on the...
  • Page 68 Once the levels have been adjusted, click « ok ». The calibration file of the equipment will be saved on your hard disk and you can recall it at any time. Follow the same procedure, in full, even when you reload a file, just to make sure. WARNING : A calibration file is dedicated to one processor.

  • Page 69: The Plug-Ins

    30 days.. WARNING: the plug-in from IDT can only be tested once and only once and the 30 day trial period starts from the day it is loaded into the unit. Please make sure, then,...

  • Page 70: Le Rds

    IV-1 - THE RDS The "Basic RDS" Plug-In as displayed in the central window. Your DVP processor enjoys a modular software architecture. This enables you to add components, called "Plug-Ins", to suit to your specific needs. The "Basic RDS" Plug-In allows you to generate all major RDS data without the need for an external hardware encoder.
  • Page 71 The "DVP Load Plug In" window. To activate / de-activate the RDS coder : 1. Click on the "ON" button located above the RDS On/Off inscription at the top left part of the window: 2. The red triangle is set before your choice indicating that it is implemented. 3.
  • Page 72 1. Click on the "ON" inscription located above Date and Time : 2. The red triangle is set in front of your choice, indicating that it is implemented. 3. Proceed the same way with the "OFF" button to de-activate the transmission. To select the program type : 1.
  • Page 73 4. In the field "Freq." enter the frequency which you want to add. 5. Click on "OK", The seizure window fades and the added frequency appears in the field "AF 1". To modify an Alternative Frequency : 1. Make a simple click on the frequency to modify : this one displays in highlighting.
  • Page 74 To delete an Alternative Frequency : 1. Make a simple click on the frequency to modify : this one displays in highlighting. 2. Make a right click in the square field "AF 1". 3. The contextual menu represented below displays : Contextual menu "...
  • Page 75 "Copy List 1 to List 2 " command. 3. Select "Copy List1 to List2". 4. The list "AF 2" this below appear. "Copy List 1 to List 2 " command. To delete one or several Alternative Frequencies of the list "AF 2" : 1.
  • Page 76 To commute from a list to the other one : 1. By the software, click on "List 1" or "List 2". "List" command. 2. By the "Local Switche", refer you to the section II-1 Connexions and Local Switche.

  • Page 77: The Stereo Boost

    IV-2 - THE STEREO BOOST The "Stereo Boost" Plug-In as displayed in the central window. Plug-In " Stereo Boost " allow you to optimize the width of the stereophonic image of your modulation without the addition of stereo enhancer. Installation : CAUTION : The Plug-In that has been sent to you is specific to the serial number of •...
  • Page 78 The "Load Plug In" window.. It’s an advanced stereo enhancer. To activate / deactivate the "Stereo Boost" : 1. Click on A or B above Stereo Boost located at the top left of the window : 2. The red triangle is set in front of your choice, indicating that it is implemented.
  • Page 79 To adjust the enhancement : 1. Set your mouse cursor over the magenta triangle located at the right hand side of "Enhance". 2. Drag the mouse cursor up and down to set the desired value : the value is displayed at the right of the cursor. (In the above example : 20 %) 3.
  • Page 80 Efficiency : To adjust the efficiency of the Stereo Boost : 1. Set your mouse cursor over the magenta triangle located at the right hand side of the "Efficiency" scale. 2. Drag the triangle up and down to set the desired value: the value is displayed at the right of the cursor.

  • Page 81: Le Mpx Guard

    IV-3 – THE MPX GUARD The "MPX Guard" Plug-In as displayed in the central window. The "MPX Guard" Plug-In allows you to optimize your frequency excursion and obtain a spectacular modulation density. Installation : CAUTION : The Plug-In that has been sent to you is specific to the serial number of •...
  • Page 82 The "Load Plug In" window.. The MPX Guard settings : To activate the MPX Guard : 1. Click on the "ON" inscription located above the "MPX Guard" command. 2. The magenta triangle is set in front of the "ON" inscription, indicating that your command has been implemented.
  • Page 83 The MPX Guard display : The MPX Guard Plug-In displays 3 horizontal scales used to precisely control all the parameters. MPX Attenuation : This scale is graduated from right to left. It indicates the instantaneous attenuation rate applied to the power by the MPX Guard. The numerical value is displayed above it.
  • Page 84 Tags : If your monitor can support a resolution of 1024 by 768, the tags can be constantly displayed at the bottom of the monitor. They give you important informations and a quick access to numerous features of the DVP. See also: MPX Guard Tag.

  • Page 85: The Dorrough Meter

    The famous Dorrough meter is now available in the DVP as a Plug-In. This Dorrough IDT model is the result of an association between IDT and Dorrough constituted so as to offer the best in measurement of the peak and loudness levels in...
  • Page 86 Installation : CAUTION : The Plug-In that has been sent to you is specific to the serial number of • your DVP Processor as well as to the Layers that it uses. It will therefore work only on the machine that you specified when ordering the Plug-In. To install the "Dorrough Loudness Monitor"...
  • Page 87 To visualise the Dorrough Loudness Monitor on the left and right channels 1. Click on "Stereo" of the Measure mode option. 2. The switch is now pressed and red showing you that your action has been taken into account. The Dorrough meter at the top shows you the modulation of your left channel whereas the one at the bottom shows you the modulation of your right channel.
  • Page 88 To visualise the Dorrough Loudness Monitor on left + right and left - right modulations : 1. Click on "L+R/L-R" of the Measure mode option. 2. The switch is now pressed and red showing you that your action has been taken into account.
  • Page 89 On this Dorrough IDT model you can relocate the 3 red leds representing the loudness level you want to reach. To move these 3 leds, please do as follows : 1. Put your cursor on the 3 red leds representing the loudness.
  • Page 90 Front Panel display: The "Dorrough" Plug-in displayed on the DBP front panel. To visualise the Dorrough Loudness Monitor Plug-in on the front panel of the DBP : 1. From the main screen, point your cursor on PLUGINS thanks to the UP and DOWN keys.

  • Page 91: Simplified Bloc Diagram Of The Dbp 7+4

    Simplified bloc diagram of the DBP 7+4...

  • Page 92: Examples Of Uses Of The Dbp 7+4

    Examples of uses of the DBP 7+4...

  • Page 93: General Specifications

    IDT – SOUND PROCESSING CORPORATION – TECHNOPARC – 5 Allée Moulin Berger – 69130 ECULLY – France Tel +33/(0) 472.18.19.20 - Fax +33/(0) 472.18.19.21 - Web www.idt-fr.com – e-mail : mail@idt-fr.com...

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