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Synapse

GED100

3Gb/s, HD, SD embedded domain Dolby E to Dolby
Digital (plus) transcoder with audio shuffler

Version 1.00 | November 2021

INSTALLATION AND OPERATION MANUAL

Summary of Contents for Synapse GED100

Page 1: ...Synapse GED100 3Gb s HD SD embedded domain Dolby E to Dolby Digital plus transcoder with audio shuffler Version 1 00 November 2021 INSTALLATION AND OPERATION MANUAL ...

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Page 3: ...rmational purpose and use only and subject to change without notice This manual cancels and replaces any previous versions thereof Copyright Copyright 2003 2021 EVS Broadcast Equipment SA All rights reserved This manual may not be reproduced transcribed stored in a database or a retrieval system translated into any language computer language transmitted in any form or by any means electronically m...

Page 4: ...o repair this product If a problem occurs contact your local EVS distributor NEVER expose this product to extremely high or low temperatures NEVER operate this product in an explosive atmosphere To reduce the risk of fire or electrical shock do not expose this appliance to rain or moisture This product complies with the requirements of the product family standards for audio video audio visual ente...

Page 5: ...ers 3 3 2 Using Cortex with Synapse 5 4 The GED100 Card 6 5 Settings Menu 9 5 1 Introduction 9 5 2 Video 9 5 3 Delay 10 5 4 Preset 11 5 5 Dolby Decoder 14 5 6 Dolby Encoder 15 5 7 Pro Logic Control 23 5 8 Embedding 24 5 9 Emb Audio Out 24 5 10 Misc 26 5 11 S2020 27 5 12 Metadata 27 5 13 Metadata Prog 30 INSTALLATION AND OPERATION MANUAL Synapse GED100 Contents iii ...

Page 6: ...us 40 7 Events Menu 45 8 LED Indication 48 9 Block Schematic 49 10 Connector Panels 50 Appendices 52 Appendix 1 Metadata Preset Modes 52 Appendix 2 Quad Speed ADD ON Bus 57 GNU Public License 63 ICONOGRAPHY Note Tip Warning iv November 2021 Issue 1 00 B ...

Page 7: ...ed on the left margin to highlight information on updated features The changes linked to new features in version 1 00 of GED100 are listed below SMPTE ST 352 Payload Identifier See section Metadata Prog on page 30 INSTALLATION AND OPERATION MANUAL Synapse GED100 What s New v ...

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Page 9: ...efer to the RRC18 RRC10 RRC04 RRS18 and RRS04 manuals for a detailed description of the local control panel the way to set up remote control over IP and for frame related settings and status information Remote Control Capabilities The remote control options are explained in the rack controller RRC18 RRC10 RRC04 RRS18 RRS04 ERC108 118 ERS108 118 manuals The method for connecting to a computer using...

Page 10: ...of components mounted on the board Placing the Card The Synapse card can be placed vertically in an SFR18 frame or horizontally in an SFR04 and SFR08 frame Locate the two guide slots to be used slide in the mounted circuit board and push it firmly to locate the connectors Correct insertion of the card is essential as a card that is not located properly may show valid indicators but will not functi...

Page 11: ...hapters of this manual Please refer to Settings Menu on page 9 Status Menu on page 40 Graphical User Interface on page 1 and Events Menu on page 45 Front Panel Control Front Panel Display and Cursor Settings are displayed and changed as follows Use the cursor arrows on the front panel to select the menu and parameter to be displayed and or changed Move forward through the menu structure Go back th...

Page 12: ...Status Events The display changes to indicate that the SFS10 Settings menu item SDI Format has been selected and shows that its current setting is Auto Pressing the selects the Settings item shown in this example SDI Format Pressing or will change to a different setting e g Mode H Delay The display changes to indicate that the SFS10 Edit Setting menu item SDI Format has been selected To edit the s...

Page 13: ... modules Each Synapse frame is addressed through its rack controller s unique IP address giving access to each module its menus and adjustment items Cortex has access to data contained within the Synapse module and displays it on a GUI The software has an intuitive structure following that of the module that it is controlling For operation of Cortex please refer to the Cortex help files Further in...

Page 14: ...slots Features Dolby E decoding no Dolby Digital Decoding Encoding of up to 4 times 2 0 Dolby Digital Plus outputs or 5 1 Dolby Digital Plus 2 0 Dolby Digital Plus Dolby Pro Logic II Downmix of 5 1 to 2 0 S2020 metadata handling 2 SDI inputs with auto switch on carrier loss and switch back function Compatible with the following input formats auto selecting 1080p 59 94 1080p 29 97 720p 59 94 1080p ...

Page 15: ...onal 1 or 2 fiber inputs 1 or 2 fiber outputs or a fiber in and output replacing 1 SDI in and output on the I O panel Optional relay bypass BHX18D The E decoding latency is 4 frames Applications 3Gb s HD and SD Dolby transcoding in transmission Preset based 16 channel audio bitsream shuffling Block Schematic INSTALLATION AND OPERATION MANUAL Synapse GED100 4 The GED100 Card 7 ...

Page 16: ...n the quad speed audio bus by default as follows Add on Bus Channel Sources 1 through 16 SDI de embedder outputs 1 through 16 17 through 23 Dolby E Decoder outputs PCM 1 through 8 24 through 32 Encoder outputs 1 through 8 8 November 2021 Issue 1 00 B ...

Page 17: ...en the setting Switch Back is set to On the selected input is set back to SDI1 when SDI1 is valid again When set to off it will remain on SDI2 until it is changed manually or when SDI2 fails Lock Mode With this setting you select what the card should lock itself to SDI1 SDI2 Ref1 or Ref2 When set to Ref1 or Ref2 i e one of the frame s reference inputs there will be an autophaser active for the aud...

Page 18: ...autophaser into its Safe region The autophaser is enabled when the setting Lock Mode is set to Ref1 or Ref2 and when a Ref is present shown by the Ref Format status item Phaser Status It is possible to display the function of the autophasers in the status menu of the card This setting enables or disables the status items Phaser1_H_Pos Phaser2_H_Pos Phaser1_Stat and Phaser2_Stat Default setting is ...

Page 19: ... For example if H Delay_1 is set to 10 pixels the output signal will be delayed by reference timing 10 pixels The signal is delayed advanced with respect to the phase of the reference signal The available range is from 0 to a maximum of 4124 pixels dependent on the video format The default setting is 0px Delay Status It is possible to display in the status menu IODelay_1 the processing time of the...

Page 20: ...tion see settings Control and MD control When the here set source is lost the card will switch to the preset set with the Loss setting When the source returns the card will switch to the preset set with the Detect setting Sources which can be checked on are DolbyE S2020 SDI MD LocalIn local metadata input or DolbyDigital Default is DolbyE The aforementioned Dolby sources are detected sources and a...

Page 21: ...t function LossDetect setting and the LossDetect_2 function is enabled i e not set to off When the here set source is lost the card will switch to the preset set with the Loss_ 2 setting When the source returns the card will switch to the preset set with the Detect_2 setting Sources which can be checked on are DolbyE S2020 SDI MD LocalIn local metadata input or DolbyDigital Default is DolbyE The a...

Page 22: ... of the 7 selectable presets you want to edit Changing this will not change the active preset unless the currently active preset is the one you are going to edit All menu settings preceded by are part of the preset Preset_Name Sets displays the name of the currently displayed preset PrstEditView With this setting set to Follow Active the edit preset settings will follow the active preset when the ...

Page 23: ...s 160ms Bckup2DecOut With this setting you select on which decoder outputs the backup PCM audio pair should be forwarded if Dolby E is lost on the decoder input Can be set to only Ch01 02 only Ch03 04 only Ch05 06 only Ch07 08 or to distribute the backup PCM audio pair to all decoder outputs You can also set this to none in which case there will be no audio on the decoder outputs when Dolby E is l...

Page 24: ...Setting Encoder out 1 Encoder out 2 Encoder out 3 Encoder out 4 2 DD 2 0 ch1 2 2 2 DD 2 0 ch1 2 DD 2 0 ch3 4 2 2 2 DD 2 0 ch1 2 DD 2 0 ch3 4 DD 2 0 ch5 6 2 2 2 2 DD 2 0 ch1 2 DD 2 0 ch3 4 DD 2 0 ch5 6 DD 2 0 ch7 8 5 1 DD 5 1 ch1 6 5 1 2 DD 5 1 ch1 6 DD 2 0 ch7 8 Pro Logic II settings The GED100 is capable of encoding Pro Logic II signals Pro Logic II is a multichannel sound source down mixed to a ...

Page 25: ...s converted to Dolby Digital Plus when using these settings For example when the setting 2 or TC is applied the Dolby Digital input is transcoded to Dolby Digital Plus but when the Dolby Digital input signal is lost the designated PCM inputs will be converted to a 2 0 DD output automatically Setting Encoder out 1 Encoder out 2 Encoder out 3 Encoder out 4 2 or TC DD 2 0 2 2 or TC DD 2 0 DD 2 0 5 1 ...

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Page 27: ...INSTALLATION AND OPERATION MANUAL Synapse GED100 5 Settings Menu 19 ...

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Page 29: ...INSTALLATION AND OPERATION MANUAL Synapse GED100 5 Settings Menu 21 ...

Page 30: ...s_Auto224 Dolby Digital Plus mode automatically set to a bitrate of 224 kbps for 5 1 3 2 When the output is changed to Dolby 2 0 it will automatically use a bitrate of 112 kbps DDPlus_Auto256 Dolby Digital Plus mode automatically set to a bitrate of 256 kbps for 5 1 3 2 When the output is changed to Dolby 2 0 it will automatically use a bitrate of 128 kbps DD_Man 5 1 3 2 Dolby Digital with a manua...

Page 31: ... 176 kbps 320 kbps 896 kbps 56 kbps 192 kbps 336 kbps 960 kbps 64 kbps 200 kbps 352 kbps 1024 kbps 72 kbps 208 kbps 368 kbps 1088 kbps 80 kbps 216 kbps 384 kbps 1152 kbps 88 kbps 224 kbps 400 kbps 1216 kbps 96 kbps 232 kbps 448 kbps 1280 kbps 104 kbps 240 kbps 512 kbps 1344 kbps 112 kbps 248 kbps 576 kbps 1408 kbps 120 kbps 256 kbps 640 kbps 1472 kbps 128 kbps 272 kbps 704 kbps 1532 kbps 5 7 Pro L...

Page 32: ...1dB and 10dB Default is 7dB 5 8 Embedding Setting Description Emb Mode With Emb Mode you select how the audio in should be embedded into the video overwrite the existing audio or Append Default is Overwrite Emb_GrpSel With this setting you select which audio groups of embedder 1 should be enabled for embedding audio into video outputs 1 and 2 The group1 group2 group3 or group4 groups can be set se...

Page 33: ...m the Dolby E decoder 8 ch EncoderOut Audio comes from the Dolby encoder 8 ch AddOn01 16 Audio comes from add on bus first 16 ch AddOn17 32 Audio comes from add on bus second 16 ch Emb C1 Emb_C4 With this setting you decide which audio channel out of the above selected source is used for embedder C channels 1 through 4 Can be any of the available 16 channels or set to off SourceEmb D1 SourceEmb D4...

Page 34: ... between multiple audio channels and audio groups which is necessary for multi channel surround purposes If errors in the signal chain occur the de embedder blocks reset synchronously to maintain audio phase alignment If this setting is set to Off the card eats all audio including errors Even if there are DBN ANC ECC or channel sequence errors the de embedder will pass them Be aware that audio pha...

Page 35: ...er Can be from the SDI input SDI default from the Dolby E input DecoderOut from the I O panel RJ45 metadata input Local or from the card s internal metadata generator ShufflerOut Insert_Line With this setting you set a line to which the S2020 data should be inserted Can be set between line 1 and line 1125 Default is line 9 Insert_Method There are 2 methods to insert S2020 refer to the S2020 SMTPE ...

Page 36: ...oderOut or the Local metadata input Default is SDI MD Control With this setting you decide whether you want to manually change the Metadata presets change MD presets via the GPI contacts or change it by metadata loss detection see setting MetaLoss A combination of GPI contact overrides with metadata loss detection is also possible GPI LossDetect only works in non latch mode Default is manual MD Lo...

Page 37: ...preset according to the value of the SDID 00 none MDPreset 1 01 Ch01 02 MDPreset 1 02 Ch03 04 MDPreset 2 03 Ch05 06 MDPreset 3 04 Ch07 08 MDPreset 4 05 Ch09 10 MDPreset 5 06 Ch11 12 MDPreset 6 07 Ch13 14 MDPreset 7 08 Ch15 16 MDPreset 7 ProgramConfig switches the card to a predefined preset according to the value of the metadata program configuration 7 1 MDPreset 1 5 1 2 MDPreset 2 5 1 MDPreset 3 ...

Page 38: ... be used for the second audio program if there is any Can be any set from A to H You can also choose to use the program as set in the metadata source Ext_Meta in which case the entire program is kept and no preset is used Default is set B MD_Prog_3 With MD_Prog_3 you select which metadata set should be used for the third audio program if there is any Can be any set from A to H You can also choose ...

Page 39: ...hoose to use the metadata settings in the external program Ext_meta also default Bitstrm Bitstream describes the audio service contained within the Dolby Digital A complete audio program may consist of a main audio service a complete mix of all program audio an associated audio service comprising a complete mix or one main service combined with an associated service To form a complete audio progra...

Page 40: ... contains more than two channels the dialogue is limited to only one channel If the ME service is two channels the Dialogue can be a stereo pair the appreciate channels of each service are mixed tighter requires special decoders Commentary This is typically a single channel program intended to convey additional commentary that can be optionally decoded along with the main audio service This servic...

Page 41: ... does not have surround speakers this parameter indicates the nominal downmix level for the Surround channel s with respect to the Left and Right front channels Dolby Digital decoders use this parameter during downmixing in Lo Ro mode when extended BSI parameters are not active Possible settings are 0dB 1 5dB 3 0dB 4 5dB 6 0dB and 999dB You can also choose to use the metadata settings in the exter...

Page 42: ... 3 0dB 4 5dB 6 0dB and 999dB You can also choose to use the metadata settings in the external program Ext_ meta Default is Ext_meta Language_Src Source of the Language Code Can be either user defined Int_Meta or as set in the metadata source Ext_Meta LanguageCode Indicates the language of the audio service This item will only influence the output if Language_src is set to Int_Meta Language codes c...

Page 43: ...e metadata settings in the external program Ext_meta LFE_Filter This setting determines whether a 120Hz 8 order lowpass filter is applied to the LFE channel input of a Dolby Digital encoder prior to encoding It is ignored if the LFE channel is disabled This parameter is not sent to the consumer decoder The filter removes frequencies above 120Hz that would prevent aliasing when decoded This filter ...

Page 44: ... and 999dB You can also choose to use the metadata settings in the external program Ext_meta Default is 3dB Dolby_Srnd EX This parameter is used to identify the encoded audio as surround EX encoded material It is only used if the encoded audio has two surround channels An amplifier or receiver with Dolby Digital EX decoding can use this parameter as a flag to switch the decoding on or off automati...

Page 45: ...be Pro Logic decoded to L C R S if desired However for some phase critical material such as music this phase shift is audible when listening in 5 1 channels Likewise some material downmixes to a satisfactory Lt Rt signal without needing this phase shift It is therefore important to balance the needs of the 5 1 mix and the Lt Rt downmix for each program Options are On active or OFF not active You c...

Page 46: ...he status menu the status of all the metadata parameters of one metadata set can be monitored With this setting you select which metadata set you want to monitor Can be the ShufflerOut DecoderOut Local or SDI Refer to schematic in the Metadata header of the metadata settings for a visual explanation Can also be switched to off in which case there will be no status monitoring of metadata default MD...

Page 47: ... default or REC2020 When set to either REC709 or REC2020 the S352 data is included in the s352 packet This does not change anything in the picture HDR_Curve_Out The dynamic range is the range of information between the lightest and darkest part of an image also known as an image s luminosity This setting enables you to set the dynamic range in standard dynamic range SDR default HLG PQ or SLOG3 Wit...

Page 48: ...1 Displays whether the 3Gb s input on input 1 is mapped as Level A or Level B If the input is not 3Gb s 1080p50 or 1080p60 this item indicates NA SDI Map_2 Displays whether the 3Gb s input on input 2 is mapped as Level A or Level B If the input is not 3Gb s 1080p50 or 1080p60 this item indicates NA SDI Freq_1 Indicates the frequency of SDI input 1 Can be 1 1 1 1 001 or NA SDI Freq_2 Indicates the ...

Page 49: ...own in Phaser1_H_Pos to calculate 3 working regions for the autophaser Safe Warning and Critical Safe Phaser1_H_Pos shows a value 50px Warning Phaser1_H_Pos shows a value 20px and 50px Critical Phaser1_H_Pos shows a value 20px When Phaser Status setting is set to Off or when Lock Mode is set to SDI1 SDI2 or Auto SDI or when Lock Mode is set to Ref1 or Ref2 and status item Ref Format shows NA Phase...

Page 50: ... Dolby E TimeStmp UserDef Caption data Rsvd Enh AC3 Dolby Digital plus DecLatency With this status item you can monitor the latency of the decoding process displayed in milliseconds Enc1Latency Enc4Latency With these status items you can monitor the latency of each individual encoder displayed in milliseconds EmbFrmtIn01 02 EmbFrmtIn15 16 Displays the format of the corresponding embedder input cha...

Page 51: ...kplane Can be OK error or NA LocMetaProg Indicates the program config as present in the local metadata input Refer to SDIS2020Prog above for the list of possible values The source of the following status items preceded with MD prefix is dependent on the MD_Status_Src and MD_Status_pgm settings Setting Description MD Prgm Config This status indicates the program config as present on the metadata pr...

Page 52: ...Dwnmx Indicates the value of the Lo Ro surround downmix metadata parameter MD D_Surnd Ex Indicates the value of the Dolby surround EX metadata parameter MD D_HeadPhone Indicates the value of the Dolby headphone metadata parameter MD ADConvType Indicates the value of the A D conversion type metadata parameter MD DC Filter Indicates the value of the DC filter metadata parameter MD Lowpass Fil Indica...

Page 53: ...iption Announcements Announcements is not an event This item is only used for switching the announcement of status changes on off 0 off other on Input1 Input2 Input1 to Input2 can be selected between 0 255 0 no event 1 255 is the priority setting CRC Status1 CRC status1 can be selected between 0 255 0 no event 1 255 is the priority setting CRC Status2 CRC status2 can be selected between 0 255 0 no...

Page 54: ...or 0 when disabled A slot number of the source of this event Message String The message string is defined in the card and is therefore fixed It may be used in controlling software like Synapse Set up to show the event Tags The tag is also defined in the card The tag has a fixed meaning When controlling or monitoring software has to make decisions based on events it is easier to use the tag instead...

Page 55: ... Ref Status 02hex REF_LOSS 82hex REF_RETURN Reference lost or returned DolbyLoss Status 05hex DOLBY_LOSS 85hex DOLBY_ RETURN Dolby lost or returned Priority The priority is a user defined value The higher the priority of the alarm the higher this value will be Setting the priority to Zero disables the announcement of this alarm Alarms with priorities equal to or higher than the Error Threshold set...

Page 56: ...thin input 2 Reference LED Indicates the presence of a valid reference signal on the selected reference input connector ref 1 or ref 2 Data Error_1 LED This LED indicates a CRC error on input 1 Data Error_2 LED This LED indicates a CRC error on input 2 Connection LED This LED lights up after the card has initialized The LED lights up for 0 5 seconds every time a connection is made to the card DM_1...

Page 57: ...9 Block Schematic INSTALLATION AND OPERATION MANUAL Synapse GED100 9 Block Schematic 49 ...

Page 58: ...in combination with the card BPH18 BHX18D 3Gb s HD SD SDI INPUT 1 OPTIONAL FIBER INPUT 3Gb s HD SD SDI INPUT 2 OPTIONAL FIBER INPUT 3Gb s HD SD SDI OUT 1 OPTIONAL FIBER OUTPUT 3Gb s HD SD SDI OUT 2 OPTIONAL FIBER OUTPUT GPI METADATA INPUT OUTPUT NOT CONNECTED Unused inputs and outputs must be terminated with the correct impedance 50 November 2021 Issue 1 00 B ...

Page 59: ... GPI in 1 3 GPI in 2 4 GPI in 3 5 TXA asynchronous data out GPI 4 6 TXB asynchronous data out GPI 5 7 RXA asynchronous data in GPI 6 8 RXB asynchronous data in GPI 7 INSTALLATION AND OPERATION MANUAL Synapse GED100 10 Connector Panels 51 ...

Page 60: ...an become one of the selectable Metadata Sources As the Metadata Shuffler is setup as a generator no Metadata Source manipulation is possible The behavior of the Metadata Mux Mode can be controlled by defining Main Presets which are controlled using the Main Preset Control functionality All names of the settings in this document refer to the settings as shown in the Classic View of Cortex 52 Novem...

Page 61: ...lerOut Preset 2 Enc_MD_Src DecoderOut The Metadata Shuffler should be configured as a standalone generator and be predefined The MetadataShuffler changes into a standalone generator when a value other than Ext_Meta is chosen for ProgramConfig 5 1 5 1 2 2 0 etc In this mode it is not important to present a valid metadata signal to its input selected with Shuffler_MD_Src If ProgramConfig Ext_Meta th...

Page 62: ...ffler into DD Encoder The metadata output of the E Decoder is connected to the input of the Metadata Shuffler The output of the Metadata Shuffler is connected to the input of the DD Encoder To do this configure for all Main Presets Shuffler_MD_Src DecoderOut Enc_MD_Src ShufflerOut When E Decoded metadata is detected it can be manipulated or routed transparently through the Metadata Shuffler using ...

Page 63: ...glitch in the Encoded output stream will result Once the Enc Config is set for air use do not change it but change the metadata The Enc Config selected therefore needs to support the highest denominator of the mode that you want to support Example 3 The Enc Config for the Dolby Encoder is set to 5 1 2 which means two encoders running Enc1 5 1 max and Enc2 2 0 max This defaults to acmod 3 2 2 0 As ...

Page 64: ...udio phase alignment over multiple embedded groups when switching SDI video sources Use the Off function only if you have serious problems with audio and switching SDI video sources which are not fully SMPTE complaint When set to Off the audio phase alignment cannot be guaranteed 56 November 2021 Issue 1 00 B ...

Page 65: ...ill only have the Quad Speed mode whereas the logical ADD ON cards are only available in Quad Speed mode Dual mode master cards have a menu item to select the appropriate mode If a mode is selected all ADD ON cards to that master need to be in the same mode The following features and rules apply Up to 32 channels output from the master card with looping to up to 3 ADD ON cards The ADD ON card choo...

Page 66: ...ON card and finally into the master card The cross looping of the original design is now a straight loop The quad speed bus can also work in one direction You can use a Quad Speed audio bus to de embed audio from the master and present on the ADD ON card as AES EBU Bitstream like Dolby or analog audio If applicable the ADD ON card can also be used as in injection point of physical audio streams Th...

Page 67: ...se something very important when processing multiple discrete surround channels You can mix normal speed Master Cards with Quad Speed MASTER Cards in one frame as the MASTER CARD breaks the connection to the left hand card All cards to the right of the master must be in the same mode as the master Mixing normal ADD ONs with Quad Speed ADD ON combinations in one frame is allowed INSTALLATION AND OP...

Page 68: ...by Digital Plus encoding we want to watermark the left right and center channel of the decoded discrete 5 1 surround channels and watermark a PCM channel used as a voice over for audio description Embedded domain Dolby E to Dolby Digital Plus with Watermarking The only connection to the outside world are two BNC cables 60 November 2021 Issue 1 00 B ...

Page 69: ...but with a selection of 16 channels selected out 8 original PCM channels and 16 PCM channels that are decoded from the Dolby E streams The combo performs the following processing De embedding of 8x PCM and 2x Dolby E Decoding of two independent Dolby E streams Loudness processing of up to 16 channels sourced by any of the 8x PCM or decoded Dolby E streams Upmixing of a 2 0 to 5 1 if a Dolby E stre...

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Page 71: ... code on request either through physical distribution or electronic communication For physical distribution you may be charged a fee that covers distribution costs This offer is valid up to three years after date of purchase Please direct your request to the support department of EVS Broadcast Equipment SA EVS Broadcast Equipment SA supports open source software by participating in the development...

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