EVS Synapse GED100 Manual
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EVS Synapse GED100 Manual

3gb/s, hd, sd embedded domain dolby e to dolby digital (plus) transcoder with audio shuffler
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INSTALLATION AND OPERATION MANUAL
Synapse
GED100
3Gb/s, HD, SD embedded domain Dolby E to Dolby
Digital (plus) transcoder with audio shuffler
Version 1.00 | November 2021

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  • Page 1 INSTALLATION AND OPERATION MANUAL Synapse GED100 3Gb/s, HD, SD embedded domain Dolby E to Dolby Digital (plus) transcoder with audio shuffler Version 1.00 | November 2021...
  • Page 3 You will find the full list of addresses and phone numbers on the following webpage: https://evs.com/contact/offices. User Manuals on EVS Website The latest version of the user manual, if any, and other user manuals on EVS products can be found at the EVS download center, on the following webpage: https://download-area.evs.com. Synapse GED100 | Disclaimer |...

  • Page 4: General Information

    NEVER bypass any fuse. NEVER replace any fuse with a value or type other than those specified. NEVER attempt to repair this product. If a problem occurs, contact your local EVS distributor. NEVER expose this product to extremely high or low temperatures.

  • Page 5: Table Of Contents

    4. The GED100 Card 5. Settings Menu 5.1. Introduction 5.2. Video 5.3. Delay 5.4. Preset 5.5. Dolby Decoder 5.6. Dolby Encoder 5.7. Pro Logic Control 5.8. Embedding 5.9. Emb Audio Out 5.10. Misc. 5.11. S2020 5.12. Metadata 5.13. Metadata Prog Synapse GED100 | Contents |...
  • Page 6 6. Status Menu 6.1. Introduction 6.2. System Status 7. Events Menu 8. LED Indication 9. Block Schematic 10. Connector Panels Appendices Appendix 1: Metadata Preset Modes Appendix 2: Quad Speed ADD-ON Bus GNU Public License ICONOGRAPHY Warning Note iv | November 2021 | Issue 1.00.B...

  • Page 7: What's New

    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. Synapse GED100 | What's New? |...

  • Page 9: Introduction

    Synapse is a modular system designed for the broadcast industry. High density, intuitive operation and high-quality processing are key features of this system. Synapse offers a full range of converters and processing modules. Please visit the EVS website at www.evs.com to obtain the latest information on our new products and updates.

  • Page 10: Unpacking And Placement

    2. Unpacking and Placement Unpacking The EVS Synapse card must be unpacked in an anti-static environment. Care must be taken NOT to touch components on the card – always handle the card carefully by the edges. The card must be stored and shipped in anti-static packaging.

  • Page 11: Quick Start

    Move up within a menu, or increase the value of a parameter. Move down through a menu or decrease the value of a parameter. When editing parameters, pressing ► twice will reset the value to its default setting. Synapse GED100 | 3. Quick Start |...
  • Page 12 How to Change Parameters Using the Front Panel Control With the display as shown below: Pressing selects the SFS10 in frame slot 01. The display changes to indicate that the SFS10 has been selected. In this example the Settings menu item is indicated.

  • Page 13: Using Cortex With Synapse

    For operation of Cortex, please refer to the Cortex help files. Further information about Front Panel Control and Cortex can be obtained from the ERC, ERS, RRC and RRS operational manuals and the Cortex help files. Synapse GED100 | 3. Quick Start |...

  • Page 14: The Ged100 Card

    4. The GED100 Card Introduction The GED100 is an embedded domain Dolby E to Dolby Digital or Dolby Digital (Plus) transcoder. It enables simultaneous encoding of 5.1+2.0 or 4 individual stereo channels (languages) to 4 Dolby Digital (Plus) 2.0 streams. The new Quad Speed audio bus allows for implementation of ‘in between’...
  • Page 15 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 Synapse GED100 | 4. The GED100 Card |...
  • Page 16 Quad Speed Bus Layout The GED100 puts all audio on 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.

  • Page 17: Settings Menu

    • 1080i60 • 1080i50 • 1080p60 • 1080p50 • 1080p30 • 1080p25 • 1080p24 • 720p60 • 720p50 • SD525 • SD625 • Auto (default), sets the output format automatically according to what has been detected). Synapse GED100 | 5. Settings Menu |...

  • Page 18: Delay

    Phaser1-Offset The timing or offset of the autophaser of SDI Input 1 can be tuned with Phaser1-Offset (see block schematic) between 0 and 4124px. Default is 0px. The correct functioning of the autophaser can be checked using status- items Phaser1_H_Pos and Phaser1_Stat. When Phaser1_Stat shows Safe, the autophaser is working in its Safe-region.

  • Page 19: Preset

    GPI contacts or change it by signal loss detection (see LossDetect setting). A combination of GPI contact overrides together with loss detection is also possible. GPI+LossDetect only works in non-latch mode. Default is manual. Synapse GED100 | 5. Settings Menu |...
  • Page 20 GPI-Ctrl The GED100 has several physical GPI contacts to control the card’s presets (if presets are set to be GPI controlled). Latch: Latching GPI mode. When a contact is closed momentarily (edge triggered). Non-Latch: Non-latching GPI mode. When a contact is closed all the time (level triggered).
  • Page 21 LossDetect_2 setting is lost. Can be presets 1 to 7 (Preset 1 ~ Preset 7) or off. When set to off, the card will not switch presets when a loss is detected. Default is off. Synapse GED100 | 5. Settings Menu |...

  • Page 22: Dolby Decoder

    Detect_2 With this setting you select to which preset the card should switch when the LossDetect_2 function is in effect and the source set in the LossDetect_2 setting is detected. Besides the preset 1 to 7 (Preset 1 ~ Preset 7), you can set it to S2020- SDID, ProgramConfig, Previous (last active preset before the signal was lost) or off (don’t switch presets when signal returns, default).

  • Page 23: Dolby Encoder

    (for instance in a 7.1 situation). With these setting you can decide the source of each individual input: SDI input, add-on bus channels 1/16, add-on bus channels 17/32 or the output of the decoder (DecoderOut). Default is DecoderOut. Synapse GED100 | 5. Settings Menu |...
  • Page 24 #EncoderIn01 ~ Here you select a specific channel from the above selected input, which contains the corresponding #EncoderIn08 part of the Dolby Digital bitstream. Ch_1 through Ch_16 can be chosen. Ch_1 through Ch_8 are default. #Enc_MD_Src Here you select where the metadata for the Dolby Encoder should come from.
  • Page 25 Encoder out 3 Encoder out 4 2 or TC DD+ 2.0 2+2 or TC DD+ 2.0 DD+ 2.0 5.1 or TC DD+ 5.1 DD+ 2.0 The following schematics provide visual representations of some of the #Enc_config settings. Synapse GED100 | 5. Settings Menu |...
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  • Page 27 INSTALLATION AND OPERATION MANUAL Synapse GED100 | 5. Settings Menu |...
  • Page 28 20 | November 2021 | Issue 1.00.B...
  • Page 29 INSTALLATION AND OPERATION MANUAL Synapse GED100 | 5. Settings Menu |...
  • Page 30 Setting Description Enc1_mode ~ With this setting you can set the Dolby Digital mode in which each encoder should Enc4_mode function. The following settings are possible: DDPlus_Man: Dolby Digital Plus mode, with a manually set bitrate (refer to Enc1- DDPlus_Man ~ Enc4-DDPlus_Man to set the bitrate). DDPlus_Auto192: Dolby Digital Plus mode, automatically set to a bitrate of 192 kbps for 5.1 (3/2).

  • Page 31: Pro Logic Control

    (MD_Enc1). Default is PLII. PL Dialnorm This Pro Logic metadata item sets the dialogue norm to an average loudness of a dialogue in a presentation on or off. By default it is On. Synapse GED100 | 5. Settings Menu |...

  • Page 32: Embedding

    PL Center_mix This setting indicates the level shift applied to the center channel when adding to the left and right outputs. Options are: +3.0dB, +1.5dB, 0.0dB, -1.5dB, -3.0dB, -4.5dB, -6.0dB, -7.5dB, - 9.2dB and –999dB (muted). Default is 0dB. PL Surrround_mix This setting indicates the level shift applied to the surround channels when adding to the left and right outputs.
  • Page 33 16 channels or set to off. #EmbA1_Gain ~ Adjusts the gain for the corresponding incoming audio input between -144 and #EmbD4_Gain 12dB. Everything below -144dB (indicated as -999 dB) means the audio will be muted. Synapse GED100 | 5. Settings Menu |...

  • Page 34: Misc

    #EmbA1_Phase ~ Adjusts the audio phase of the corresponding individual input to 0 degrees or #EmbD4_Phase 180 degrees. #EmbA1_Delay ~ Adjusts the delay of the corresponding audio channel between 0 and 5000ms. #EmbD4_Delay 5.10. Misc. Setting Description NonPCM-Bypass With this setting you can switch to bypass audio processing for all non-PCM audio On or Off.

  • Page 35: S2020

    Metadata For more information about Dolby Metadata, please read the metadata guide on the Dolby website (http://www.dolby.com/assets/pdf/tech_library/18_Metadata.Guide.pdf) The GED100 has extensive metadata functionalities. The following schematic provides a visual overview of how the metadata is handled: Synapse GED100 | 5. Settings Menu |...
  • Page 36 Setting Description #LocalOut_MD_Src With this setting you decide which of the metadata sources you want to use as the metadata output on the I/O-panel in the above schematic. Can be the metadata 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).
  • Page 37 It works the same as MD-LossDetect, only the actions performed are defined with MetaLoss_2 and MetaDet_2. Default is Off. MetaLoss_2 Same as MetaLoss, only for the source set with MD-LossDetect_2. MetaDet_2 Same as MetaDet, only for the source set with MD-LossDetect_2. Synapse GED100 | 5. Settings Menu |...

  • Page 38: Metadata Prog

    Metadata_Preset Here you select which Metadata preset you want to activate. Editing the preset will be live. #MD_Preset_Name To help remember which preset is used for what cases, you can name your active preset with this setting (maximum of 16 characters). #ProgramConfig This item sets the program configuration.
  • Page 39 (but rarely is) necessary to decode both main service and an associated service using a maximum total bitrate of 512 kbps, Please refer to the guide to use of the ATSC digital television standard, document A/54 for further information. See also the following detailed descriptions: Synapse GED100 | 5. Settings Menu |...
  • Page 40 Bitstream Description CM flags the bitstream as the Main Audio service for the program and all elements Complete are present to form a complete audio program. Currently, this is the most common setting. The service may contain one (mono) to six (5.1) channels. The bitstream is the main audio service for the program, minus a dialogue channel.
  • Page 41 Dolby Srnd, Dolby Surround; the bitstream contains information that was Dolby Surround encoded. After Dolby Digital decoding, the bitstream is Pro Logic decoded. You can also choose to use the metadata settings in the external program (Ext_ meta). Default is Ext_meta. Synapse GED100 | 5. Settings Menu |...
  • Page 42 #LFE The status of the LFE Channel parameter indicates to a Dolby Digital encoder whether an LFE Channel is present within the bitstream. Channel mode determines whether the LFE Channel parameter can be set. You must have at least three channels in order to be able to add an LFE channel. Can be either enable or disable.
  • Page 43 This is especially useful on music material. The possible mix types are NOT indicated, Lt/Rt and Lo/Ro. You can also choose to use the metadata settings in the external program (Ext_ meta). Default is Ext_meta. Synapse GED100 | 5. Settings Menu |...
  • Page 44 #Lt/Rt_C_Dwnmx Lr/Rt Center Mix Level. This setting indicates the level shift applied to the center channel when adding to the left and right outputs during downmixing to an Lt/rt output. Its operation is similar to the surround downmix level in the Universal metadata.
  • Page 45 (not active). You can also choose to use the metadata settings in the external program (Ext_meta). Default is Ext_meta. #RFPreEmph Adjusts the pre-emphasis of the signal prior to transmission. Options are: Disabled, Enabled or Ext_Meta (default). Synapse GED100 | 5. Settings Menu |...
  • Page 46 #RfMode RfMode has the same options as Line, but each option is 11dB more sensitive, to avoid overloading the RF input of a television. Options are: None, Film stnd, Film light, Music stnd, Music light and speech. You can also choose to use the metadata settings in the external program (Ext_ meta).Default is Ext_meta.
  • Page 47 Bit depth is the range of bits being used. This setting enables you to set the bit depth to Narrow (8bits) or Full (10bits). When set to either Narrow (default) or Full, it includes this data in the S352 packet. (This does not change anything in the picture.) Synapse GED100 | 5. Settings Menu |...

  • Page 48: Status Menu

    6. Status Menu 6.1. Introduction The Status menu provides information about the current status of each item listed below. 6.2. System Status Item Description SDI-Input_1 This status item indicates the presence and format of a valid signal on SDI input 1. This is displayed as: •...
  • Page 49 This item indicates the offset between SDI2 and the reference (if present). Locked-To Displays what the card is locked to: Ref, SDI1, SDI2 or Not Locked. Active-Out1 Displays what the current active output is on SDI output 1. Can be SDI1 or SDI2. Synapse GED100 | 6. Status Menu |...
  • Page 50 Active-Out2 Displays what the current active output is on SDI output 2. Can be SDI1 or SDI2. IO-Delay_1 Displays the I/O delay between the input and the output. Only indicated when Delay-Status is set to on. This item displays the currently active GPI value (0 to 7). 0 indicates that no GPI input is active.
  • Page 51 Indicates the value of the bitstream mode metadata parameter. MD ChannelMode Indicates the value of the channel mode metadata parameter. MD CenterMixLvl Indicates the value of the Center downmix level metadata parameter. MD SrndMixLvl Indicates the value of the surround downmix level metadata parameter. Synapse GED100 | 6. Status Menu |...
  • Page 52 MD D_Surnd Indicates the value of the Dolby surround metadata parameter. MD LFE Indicates the value of the LFE channel metadata parameter. MD Dialog Lvl Indicates the value of the dialogue level metadata parameter. MD LanguageCode Indicates the value of the language code metadata parameter. MD AudioProdInfo Indicates the value of the audio production info metadata parameter.

  • Page 53: Events Menu

    Lock status can be selected between 0 .. 255. 0= no event, 1..255 is the priority setting. Ref-Status Reference can be selected between 0 .. 255. 0= no event, 1..255 is the priority setting. DolbyLoss-Status Reference can be selected between 0 .. 255. 0= no event, 1..255 is the priority setting. Synapse GED100 | 7. Events Menu |...
  • Page 54 What Information is Available in an Event? The message consists of the following items: • A message string to show what has happened in text, for example: “INP_LOSS”, “REF_LOSS”, “INP_ RETURN”. • A tag that also shows what happens, but with a predefined number: e.g. 1 (= loss of input), 2 (= loss of reference), 129(= 1+128 = return of input).
  • Page 55 Error Threshold setting of the RRC will cause the error LED on the Synapse rack front panel to light up. Card Address Together with the message string or the tag, the slot number or address of the card is relevant to be able to assign the event to a certain card. Synapse GED100 | 7. Events Menu |...

  • Page 56: Led Indication

    8. LED Indication Indicator Description Error LED The error LED indicates an error if the internal logic of the card is not configured correctly or has a hardware failure. Input1 LED This LED indicates the presence of a valid SDI video signal on input 1. Input2 LED This LED indicates the presence of a valid SDI video signal on input 2.

  • Page 57: Block Schematic

    INSTALLATION AND OPERATION MANUAL Block Schematic Synapse GED100 | 9. Block Schematic |...

  • Page 58: Connector Panels

    Connector Panels The GED100 can be used with the BPH18 or BXH18D and their relay bypass equivalents. The following diagrams show the pinout of the backpanels 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)
  • Page 59 GPI in 2 GPI in 3 TXA asynchronous data out + / GPI 4 TXB asynchronous data out - / GPI 5 RXA asynchronous data in + / GPI 6 RXB asynchronous data in - / GPI 7 Synapse GED100 | 10. Connector Panels |...

  • Page 60: Appendices

    Appendices Appendix 1: Metadata Preset Modes Metadata Mux Mode In this mode, the user selects Metadata Sources and connects them to Metadata Destinations. The Metadata Shuffler can be set up as a predefined generator and can become one of the selectable Metadata Sources.
  • Page 61 MUST have a valid metadata input signal to function correctly. Metadata Preset Control is not used in this example, as the Metadata Shuffler is static and predefined. The Metadata Preset Control can be disabled by setting: MD_Preset Control Manual MD_Loss MD_Detect Synapse GED100 | Appendix 1: Metadata Preset Modes |...
  • Page 62 Metadata Shuffler Mode In this mode, the user has full control of the Metadata Shuffler. Metadata input to the Metadata Shuffler can be manipulated or transparently routed to its output. In the absence of metadata, the Metadata Shuffer can generate a predefined set of metadata. The behavior of the Metadata Shuffler can be controlled by defining MD-Presets, which are controlled using the Metadata Preset-Control functionality.
  • Page 63 If the Card uses a static/fixed amount of embedded audio groups, the user needs to check the group selectors of inactive/unused embedded audio groups in the different main presets to be sure that they are set correctly (or not changing), to avoid unwanted audio clicks or plops when switching presets. Synapse GED100 | Appendix 1: Metadata Preset Modes |...
  • Page 64 Audio De-Embedding The Audio-Phase setting should be set to Align (default). The Align function will maintain audio 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.

  • Page 65: Appendix 2: Quad Speed Add-On Bus

    If the master card can handle less then 32 channels, the lowest channel numbers will be used, as the ADD-ON card will always generate 32 channels (where some channels can be empty or silent). Synapse GED100 | Appendix 2: Quad Speed ADD-ON Bus |...
  • Page 66 • Channel shuffling is done in the ADD-ON card. The master card has only one setting to enable the quad speed audio bus. • Every Quad-Speed ADD-ON card takes 32 channels from the ‘right hand ADD-ON card’ and adds (or overwrites) the local processed channels.
  • Page 67 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. Synapse GED100 | Appendix 2: Quad Speed ADD-ON Bus |...
  • Page 68 Examples Example 1. Here we combine a master card that performs embedded domain Dolby E to Dolby Digital Plus encoding. Between the E-decoding and Dolby 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.
  • Page 69 • S2020 metadata insertion sourced from the E decoders, embedded s2020, generated presets or an external feed • Video delay to compensate for audio propagation delay • Embedding of up to 16 channels. Synapse GED100 | Appendix 2: Quad Speed ADD-ON Bus |...
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  • Page 71: Gnu Public License

    Under this license, you are eligible to receive a copy of the source code of this software, including any changes. EVS Broadcast Equipment SA shall provide the source code on request either through physical distribution or electronic communication. For physical distribution you may be charged a fee that covers distribution costs.

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