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Itel D-PRO-6TV User Manual

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Author
A.Tomassini
Version
3.2.2 - 26/08/2021
Copyright
© 2021 BEI Electronics LLC
D-PRO-6TV
User's manual

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Summary of Contents for Itel D-PRO-6TV

  • Page 1 D-PRO-6TV User's manual Author A.Tomassini Version 3.2.2 - 26/08/2021 Copyright © 2021 BEI Electronics LLC...

  • Page 2: Table Of Contents

    DPRO 6 TV Audio Processor Table of contents Section 1 Description 1 List of changes ........................... 5 2 Warnings ........................... 5 3 Front panel ........................... 6 4 Rear panel ........................... 6 5 Editing and navigation ........................... 7 Section 2 Front panel display 1 Audio processor ...........................
  • Page 3 Bass EQ ..............................29 Audio input-output ................................. 29 System setup ................................. 31 Loudness lim iter ................................. 32 3 Loading and saving a preset ........................... 33 4 Loading and saving system ........................... 34 5 Passcode setup ........................... 35 © 2021 BEI Electronics LLC...
  • Page 4 Section Description...

  • Page 5: Section 1 Description

    Description Description This product is a fully multiband digital audio processor ideal for general Dtv and multimedia applications. All audio processing is realized using DSPs, allowing for stable performance over time and extending functionality with firmware upgrades. The audio processing chain comprises a two bands AGC which feeds the six bands limiter- compressor, followed by a final clipper-limiter operating at 96KHz, optimized for distortion masking, thus obtaining a cleaner and clipping artifacts free sound.

  • Page 6: Front Panel

    D-PRO-6TV Audio Processor Front panel Front panel indicators and rotary knob Headphone stereo jack 6,3mm (1/4") • GATE: led is on when level is below gate threshold • CLIP: the analog input level is too high. • DIG IN: AES/EBU digital input is selected as audio source •...

  • Page 7: Editing And Navigation

    Description Editing and navigation Menu navigation and parameters editing is done by the front panel knob. On the main menu which appears after firmware boot, is possible to select the submenu for the various settings. Pressing the knob, will enter the selected submenu. Once entered in the desired sub-menu, if there are adjustable parameters, you can proceed to editing Pressing the knob, an asterisk "*"...
  • Page 8 D-PRO-6TV Audio Processor Turning the knob, you now will modify the selected parameter's value. Once set the desired value, press the knob again. The cursor will switch to "*" again, indicating that items navigation mode is now active and other items can be selected and edited as described before.
  • Page 9 Section Front panel display...

  • Page 10: Section 2 Front Panel Display

    D-PRO-6TV Audio Processor Front panel display Following are listed all menus and functionalities available on the current firmware release. Audio processor Into this section are comprised all functions and menus related to the audio processor. 2.1.1 This window contains the settings for the dual band automatic gain control (AGC) block, placed at the head of audio processing chain.

  • Page 11: Multiband Limiter Parameters

    Front panel display 2.1.3 Multiband limiter parameters MbDrive: multiband limiter drive level. Release: Multiband limiter release time. FinalClip Drive: set the wideband final clipper driving level. Higher driving level corresponds to higher loudness, but will cause higher distortion. Denoise: Denoiser. If activated, it will monitor the high frequency content of the audio input signal, reducing the band 6 gain when HF input level is too low.

  • Page 12: Bass Clipper/Limiter

    D-PRO-6TV Audio Processor 2.1.6 Bass clipper/limiter Bass clip Thr:bass clipper threshold. Bass clip softness: bass clipper curve selection. Bass clipper will have a curve progressively softer with increasing value. A softer curve reduces the distortion introduced by the clipping in contrast, setting to zero (corresponding to the hardest curve), will produce a bass rich in harmonics.

  • Page 13: Saving A Preset

    Front panel display It is possible to change the audio source from Audio Input menu. If necessary, make any editing you want to the factory preset (any preset starting with Fxx) selected, then save the preset to an user memory (Uxx). Once saved, the preset will become the audio processing preset for the selected audio source, or the general preset used for all sources, depending on whether or not the function "Source Dep.Presets"...

  • Page 14: Audio Input Setup

    D-PRO-6TV Audio Processor Audio input setup In this section are present all controls related to audio sources and automatic audio fallback 2.2.1 Audio levels monitor and input level setting In the current window is displayed, with greater accuracy, the input level of the selected channel.

  • Page 15: Audio Processor Preset Selection

    Front panel display 2.2.3 Audio processor preset selection Source Dep.Presets function was enabled, it will be possible to choose a different preset for each audio source, which can be selected in the previous menu, otherwise this window will not be visible. Once selected a preset, it can then be edit into the Audio Processor section.

  • Page 16: Audio Output Setup

    D-PRO-6TV Audio Processor Audio output setup This section contains the settings relating to the DIG OUT - L R OUT audio outputs. 2.3.1 Audio output regulation ANA LR Out : audio output level on rear XLR Left-Right OUT connector. DIG LR Out : output audio level on rear XLR DIG OUT connector Test tone (!): when activated, will put on air in all outputs a 400Hz tone 0dBFS.

  • Page 17: Loudness Limiter

    Front panel display 2.3.3 Loudness limiter The loudness limiter can equalize the perceived loudness among different audio program sources such as live shows, commercials, films, music videos. It operates according to the ITU-R BS1770 standard. Itu1770 limiter (ON/OFF): enable / disable loudness control. Reference: loudness limiter reference setting dblim: level of limiting applied Reference level is referred to an output level of 0dB.

  • Page 18: System Setup

    D-PRO-6TV Audio Processor System setup 2.4.1 Display, Source Dependent Presets, Device ID Contrast: display contrast adjustment. Source Dep.Presets: enable/disable audio preset selection depending on audio source. ON: if the function is enabled, a different audio processing preset can be specified for each audio source.
  • Page 19 Front panel display 1: Pin 2 - Set DIGITAL Input 2: Pin 7 - Set SDI Input 3: Pin 3 - Not used 4: Pin 8 - Not used 5: Pin 4 - Not used 6: Pin 9 - Not used 7: Pin 5 - Not used The inputs are activated by grounding the relative pin or by providing a voltage from 5 to 12VDC, in this case the jumpers placed on the board inside the device will have to be moved from the "CLOSE"...

  • Page 20: Passcode Setup

    D-PRO-6TV Audio Processor 2.4.3 PassCode Setup User Password: in this section the user can enter a numeric password that will be required for accessing the device. Setting "0000" (default value) will disable the password prompt. Autologout (mins): Automatic lock timeout. If no action is done on the front panel knob within the specified time interval, the device will enter into lock state and the user will need to re-enter the password to log in again.

  • Page 21: Options

    Front panel display 2.4.6 Options In this window the user must enter the code to enable the optional features. Once entered the code for the desired option, go to the "ENTER" button and, when it will flash, push the front panel encoder. The device will verify the code and, if found correct, will activate the requested option.

  • Page 22: Headphones Level

    D-PRO-6TV Audio Processor Headphones Level The headphone level can be adjusted using the front panel knob. Pressing the knob for more than 1 second, will show the adjustment level menù. After 3 seconds the level menù will close automatically. © 2021 BEI Electronics LLC...
  • Page 23 Section Programmming software...

  • Page 24: Section 3 Programmming Software

    D-PRO-6TV Audio Processor Programmming software A PC based softwareMultiband Processor Programmer, compatible with 32 and 64 bits Windows Xp, Windows 7, Windows 8.X, Windows 10, is provided for processor remote control and setup. Connection is done through: serial port 9600 baud 8N1...

  • Page 25: Processor Params

    Programmming software Processor Params This section contains the audio process controls and presets, setting of the audio input and output sources and system parameters. 3.2.1 Processor Presets On this page are shown the input levels, the audio input currently on air, the presets list and the audio processing parameters.
  • Page 26 D-PRO-6TV Audio Processor On the same page are present the audio processing parameters. For a detailed description of each parameter, please refer to the audio processor section: Processor Drive, Gate Level AGC Enabled, AGC Speed Compression, Master Release Band Link, Brillance, Presence...

  • Page 27: Agc

    Programmming software 3.2.1.1 This window contains the settings for the dual band automatic gain control (AGC) block, placed at the head of audio processing chain. The automatic gain control performs a pre-leveling of the signal applied to the following compressors/ limiters, keeping their working point almost constant.

  • Page 28: Multiband

    D-PRO-6TV Audio Processor 3.2.1.2 Multiband All six-bands limiters thresholds are adjustable in order to apply a dynamic equalization according to the user's taste. Lowering the limiting threshold of any band will result in attenuating the level of that band, while raising the threshold, will amplify its level.

  • Page 29: Bass Eq

    Programmming software 3.2.1.3 Bass EQ Bass Equalizer gain dB: gain (boost) of parametric equalizer. Bass Equalizer Q: Q-factor (bandwidth) of parametric equalizer, increasing this value the filter becomes more selective around the center frequency. Bass Equalizer Frequnecy Hz: parametric equalizer center frequency Punch: punch enhancer (0 off, 2 max).
  • Page 30 D-PRO-6TV Audio Processor For a detailed description of the following parameters, please refer to audio input setup, audio output setup, Audio delayand source dependent presets Audio Input, Analog InputLevel, Digital InputLevel, Network InputLevel Bypass InputLevel Audio OutputLevel Audio Backup Enalbled Source dependents presets Input 30Hz HPF: enables / disables the 30Hz high pass filter for infrasonic component reduction.

  • Page 31: System Setup

    Programmming software 3.2.3 System setup In this page it is possible to insert and adjust the network parameters. The network parameters are related to the optional network module only. If the streaming module was installed, network configuration will be done through the web server of the module. For a detailed description of the following pararmeters, please refer to System setup NET IP, NET MASK, NET GATEWAY, NET PORT...

  • Page 32: Loudness Limiter

    D-PRO-6TV Audio Processor 3.2.4 Loudness limiter In this window is possible to set the loudness limiting reference level, according to the ITU-R BS.1770 standard. The limiting level is shown on the red bar labeled "LIMITER". The "OUT dB LKFS" bar shows the current loudness level with a 400mS integration time.

  • Page 33: Loading And Saving A Preset

    Programmming software Loading and saving a preset All the audio presets customized by the user can be saved in files, this preset can be transferred to another DPRO or saved in an external drive. The remote control software allows to load and save the audio processing presets through the File>Processor menu: Save Usr Presets to Disk the on air preset will be saved to disk.

  • Page 34: Loading And Saving System

    D-PRO-6TV Audio Processor Loading and saving system The remote control software allows to load and save the system configuration through the "System" menu, and this includes all parameters listed under "System" and "Audio Input-Output" tabs. Save System config to Disk the system configurationi will be saved to disk.

  • Page 35: Passcode Setup

    Programmming software Passcode setup To protect the device from unauthorized operation, a security code can be set. The default code is 0000 (security disabled), but it can be changed through the following procedure: Put the current Passcode into the PassCode edit box (0000 by default). Put a new code into the "New Code"...

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