Instructions

Here you will find instructions for hosting meetings or giving talks or presentations in the Conference Center.

Getting Started in Decentraland

If you are brand new to Decentrland, here are some Getting Started instructions.

About Scenes, Realms and Islands

Each venue in the Conference Center consists of a “scene” in Decentraland. Scenes are one or more 16m x 16m “parcels”, combined into a scene, and holding content. A scene has a boundary, beyond which streamed sound does not carry. For example, the Cafe-Patio venue and various other theaters and venues are each one Decentraland Scene. Streamed music or voice that is playing in a scene can be heard throughout the scene, but not in other scenes.

A Decentraland scene can hold hundreds or even thousands of people at the same time. However, in order to keep the visitor experience from getting a lot of “lag”, visitors are grouped into “realms” (content servers) and “islands” (visitor groups that can see and hear each other). Up to about 100 visitor avatars can be in each island, and the content servers (realm) can hold rather unlimited islands. Visitors in the same realm and island can see and hear each other. You can see which realm and island you are in by looking at those parameter in the URL in your browser. A speaker who is in one realm & island will not be seen or heard (voice or text chat) by visitors in another realm & island. However, audio and video streams in the Conference Center will be heard in all realms, so speakers may want to use streams to present across all realms and islands of a venue. A vistor can use the “/changerealm” command in chat to instantly switch to a different realm.

Setup for Playing or Streaming Video in the Conference Center

Many of the venues in the Conference Center can display videos on a screen, including:

  • The Star Cinema Theater
  • The Grand Theater
  • Danaan Ampitheater
  • Athena Ampitheater
  • Meeting Center
  • Unity Cafe

Other venues could show videos by special arrangement

There are two types of video capabilitiies

  1. Live streams sent from OBS or Zoom. If you are running an event in the Conference Center, you will need to contact us to set up the event, including any live video streaming, but here are the basic instructions on how the streaming works…
  2. Catalogs of MP4 files, provided by the event or festival, and placed into our cloud servers. If you wish to host one or more films for a festival or event, or have a film added to one of our existing OnDemand catalogs, contact us about your event..

To set up for live streaming into your event in the Conference Center, you’ll need to do the following:

  • Decide whether to use OBS or Zoom to source your stream. You must use one of those methods, because some others like YouTube, Facebook, Twich, etc. do not allow you to broadcast a stream in the required format (RTMP).
    • You will probably want to use OBS if you are sharing various things from one PC, including optionally your screen (slides, videos, documents, etc), optionally your face, voice, desktop audio, and want have detailed control over the placement and audio levels.
    • You will probably want to use Zoom if the nature of your content is a simple presentation, or a panel of people, and you are satisfied with Zoom layout controls.
  • Obtain the following three pieces of information from the Conference Center Management:
    • 1. Server: (it will be a url with the rtmp protocol rtmp:// at the beginning)
    • 2. Stream Key: (the stream key we give you)
    • 3. Live streaming page URL (this third item is only needed for Zoom. it represents the url for seeing the stream outside of Zoom. We would normally recommend that you use the url to the venue.
  • Set up OBS or Zoom for streaming, as instructed in the next sections.
  • Arrange a time with us to test the stream well before the event starts, so that there is time to help you with any troubleshooting that may be needed.

Setup for Live Streaming using OBS

  • Install the free OBS client.
  • Set up the OBS “Scene” that you want to share. This allows you to pick what visual and audio content you want strteamed, e.g. maybe your face, your voice, and perhaps a slide show, video or document from your PC display.
  • Click on Settings in the lower right, then click the Stream tab on the left and enter the following:
    Service: Custom….
    Server: rtmp://xxxxxxxxxxxxxx (the server URL we give you)
    Stream Key: (the stream key we give you)
    Then click OK
  • We suggest that you also, in the Settings – Output – Streaming, set the Bitrate down to 800 kbps. That is plenty to look good in Decentraland, but will put less burden on your guests’ computers in their viewing the scene.
  • When it is time to test with us, or to do your event, you will need to click on the Start Streaming button in the lower right of the OBS screen. Then go into your conference center venue scene (or reload it in the browser) to see your steam content on the screen in-world. (If you start the stream after someone is in the scene,they will need to be instructed to reload the scene in their browser to see the stream.)
  • Note that there is a 15-30 second delay between when you do something in OBS and when it shows up in world.
  • We recommend that the person broadcasting mute the Decentraland scene’s audio. This can be done in the scene’s browser tab. For example in Chrome you right cilick on the tab and select Mute Site. If you don’t do this you will hear a loop lasting 15-30 seconds of sounds repeating again and again because the delayed DCL audio is getting back into the broadcast audio.

Setup for Live Streaming from Zoom

  • Subscribe to a Zoom account. You will want to use a paid account, or your meetings will be terminated after about 40 minutes, and live streaming may not work.
  • Make sure that Live Streaming is enabled for meetings in your Zoom account, as follows: go into Account Management – Account Settings – In Meeting (Advanced) and scroll down to Allow livestreaming of meetings. Click on Custom Live Streaming Service to indicate that the live stream should be sent to our servers. You can add some isntructions there but ok to leave that blank.
  • Now set up a meeting that you will use during your event. We recommend “custom” time and “no particular time” for the time of the meeting). Make arrangements with any others who will be on the Zoom meeting (such as panelists).
  • For Zoom, once you have created your meeting and saved it, you will see at the bottom a tab for Live Streaming. This is where you put the stream in formation in for the meeting. Click on the Live Streaming tab, and then on the “Configure Custom Streaming Service. (if you don’t see these, you may not have set up your account to support live streaming as described in a previous step.
  • In the Configure Custom Streaming Service, enter the Stream URL and Stream Key that you’ve been given by the Conference Center. For the Live streaming page URL you can put the url of your scene.
  • When it is time to test with us, or to do your event, you will need to Start your Zoom meeting, then click on the “… More” button and click on “Live on Custom Live Streaming Service”
  • Then go into your conference center venue scene (or reload it in the browser) to see your steam content on the screen in-world. (If you start the stream after someone is in the scene,they will need to be instructed to reload the scene in their browser to see the stream.)
  • Note that there is a 15-30 second delay between when you do something in Zoom and when it shows up in world.
  • We recommend that the person broadcasting mute the Decentraland scene’s audio. This can be done in the scene’s browser tab. For example in Chrome you right cilick on the tab and select Mute Site. If you don’t do this you will hear a loop lasting 15-30 seconds of sounds repeating again and again because the delayed DCL audio is getting back into the broadcast audio.

Using the Movie/Stream Controls User Interface (UI)

When you or your guests are in a venue that supports streaming video, or the playing of movies, there will be a Movies or Steam control UI on the screen. For more information about how to use, it, see How to Use the Movie Controls.

POAPs for your event

See POAPS for Your Event.

Music Options in the Unity Cafe

The Unity Cafe has several options for music

Streaming video onto a screen at the back wall of the stage. This works like video in other venues. But it is often a live stream of a DJ who is playing music, perhaps prerecorded or perhaps live, perhaps taking requests, and some video imagary – their own camera, or a still, or some animation or video.
A live DJ spinning through an audio-only stream. This is not simple to set up, but we can often provide a very good DJ for your event that is properly set up already for the Unity Cafe.
Internet Audio streams through the DJ Console. We can set these up in advance and they will be playing during your event. Here is a list of streams you may pick from:

Internet Radio Streams available in the Unity Cafe

Blues 181 FMhttp://uplink.181.fm:8006/
Radionomyhttp://listen.radionomy.com:80/
Brazilian Radio Estilo Leblonhttp://us4.internet-radio.com:8193/
Merge 104.8http://uk7.internet-radio.com:8040/
San Francisco 70s Hitshttp://198.178.123.17:10922/
Steampunkhttp://199.127.61.234:8030/stream
MoveDaHouse Technohttp://uk7.internet-radio.com:8000/
Noisy Dancy – Reggae etchttp://71.105.169.131:8000/stream
Classic Rock Floridahttp://us4.internet-radio.com:8258/
Sleep Radiohttp://149.56.234.138:8169/

Public or Private Events

Public events

By default, venues and events in the Conference Center will be open to the public, and if you have a number of people present, the traffic will attract other people who are in Decentraland to come to your event to check it out. YOu can also advertise public events in the Decentraland Event Calandar.

Private events

If you want to restrict access to some venue(s) during your event, that can be arranged. The following venues can be set up for private access:

The Meeting Center
The Athena Amphitheater
The Danann Amphitheater
The Grand Theater
The Star Cinema

The Unity Cafe is always open to the public.

Access Control Modes for Private Events

  1. There are several possible “modes” for private access
    1. ADDRESS mode  You provide us with the ETHEREUM addresses of those who may enter.
    2. VOUCHER mode You provide us a unique number (like a ticket stub code) for each user to use. The system will record which user uses each one, and no subsequent user may use the same voucher number
      After the event, we can provide you with information about who used which voucher.
    3. PASSCODE mode  You provide a list of 1 or more passcodes, and anybody that enters any one of them may enter.

The ADDRESS mode is silent.

The VOUCHER and PASSCODE modes present a user interface for entering the number or code (it can be any alphanumeric string)

Those who don’t present the proper access information will see a sign that it is a private event, and a barrier around the space, or in the case of the Star Cinema, the movies will not be available to them.   Those who pass the credentials may enter the full experience.

Publicity

You are responsible for your own publicity (social media, Decentraland event calendar, etc.) unless you contract with us to do any of that for you.

Decentraland has an event calendar, at https://events.decentraland.org/
You can submit your own event calendar items (you will need to use a MetaMask wallet to sign in to do so).

Note that the event calendar items contain an image, some text (which can have links) and specify the dates/times and the event location coordinates (x, y, and realm).
The image should be 1340 x 670 pixels (landscape) .png or .jpg.

Voice Options

Decentraland has good text and voice chat, which works fine for meetings of up to about 100 people in the same “realm” and “island”. Or you can use audio or video streaming to be heard across all realms and islands of a venue scene.

However, if you want your voice audible for all visitors, regardless of which realm they are in, and you don’t have streaming facilities, you can make use of Discord voice channels. You can either set up your own Discord server and voice channels and inform your audience about them, or you can use the venue-specific voice channels provided in the Conference Center’s Discord Server (linked at the bottom of every page of this site). The association of our provided Discord voice channels with venues is listed on the Directions page. You can follow some other pattern of voice sharing that works for you, just be sure to let your attendees / audience know what to do.

Decentraland Conference Center’s Discord Voice channels

Branding and Advertising Images in the Conference Center

A number of out venues support locations for you to have us place branding banners and ads.

Images must meet the following requirements:

  1. They must be .jpg or .png files.
  2. The file should have a unique name. It can be a name that associates with the brand or message, or it can have a name that correlates to the exact location at you want the ad placed.
  3. The filename sould end (before the ‘.’) with a numeric representation of the aspect ratio at which the image should be displayed (such as _2.0, or _1.77, or _1.33, or _1.0, or _0.75)
    Here would be two examples:
    CompanyLogo_1.0.jpg
    expoPanelWestImage_2.0.png
  4. the actual pixel width and height of the image must be a power of two, and not more than 1024. This is a Decentraland image file requirement, even if the DISPLAY aspect ratio may be different than that.
    For example, an image that should be dipslayed with a 2.0 aspect ratio could have pixel dimensions of 1024 x 512.
    Another example could be a vertical “portrait” 3:4 (0.75) aspect ratio image could be deliveed as 1024 x 1024 pixels, or 512 x 1024 pixels.
    You can use a tool like GIMP to “SCALE” them (NOT crop them) for the image to meet these requirements.
    When it is displayed in Decentraland, it will be stretched or squisheedd back to the aspect ratio you specify.

    The more work you do preparing the images the less it will cost you. We charge $200/hr to do image manipulation, preparation, and deployment.

Image locations can be added or negotiated in various places.
The following are existing locations in some venues:

Image Location at the Info Booth

boothSignImage (the lower large panel on the Info booth)

Image Locations at the Athena Theater

bannerImageN1  (north wall left side)
bannerImageN2  (north salle right side)

bannerImageW3
bannerImageW4

bannerImageS5
bannerImageS6

bannerImageE7
bannerImageE8

bannerImageO9  (upper roof, north side)
bannerImageO10 (upper roof, wst side)
bannerImageO11 (south side)
bannerImageO12 (east side)

Image Locations at the Meeting Center

outsidePanelSWImage (on the south outer wall of the building)
outsidePanelSEImage

expoPanelWestImage (in the south room)
expoPanelEastImage
expoSmallPanelNEImage
expoSmallPanelNWImage

hallEndPanelEastImage (in the side halls)
hallPanelEastImage
hallPanelWestImage
hallEndPanelWestImage

northRoomPanelSWImage (locations in the north room)
northRoomPanelW4Image
northRoomPanelNWImage
northRoomPanelNEImage

Slide Presentations

A number of venues have the option of a video screen.

The easiest and best way to show a presentation in such a venue is to stream it in using OBS or Zoom, as described above.

Alternatively, Prepare Image Slides

By special arrangement and with sufficient advance preparation, the Meeting Center can be set up for slide presentations. Other venues could be configured for slide presentations with additional notice.

Slides should begin in 16 x 9 landscape aspect ratio, and be saved as .png files. The .png files should be changed to be square by RESCALING them (NOT cropping them), and be 1024 x 1024 pixels. They should be saved with high quality / low compression to maximize their clarity. GIMP is a good free tool than can do this editing.

We have had good luck with slides prepared using the following steps:

1. Create the slide show in PowerPoint or similar, using 16×9 widescreen/HD format.

2. Export or screen capture each slide to a .png file. The files should be named in a way that includes the slide number, with leading zeros as neccesary. For example the files might be named like:
“MyPresentation-01.png”
“MyPresentation-02.png” etc.

3. Using an image editing tool, such as Gimp or Photoshop, rescale the images sizes to be 1024 pixels by 1024 pixels square images. (Be sure to rescale the image, not to crop it. They will look “squished” horizontally, but that is correct.).

4. Provide the collection of slide images to the Conference Center management for uploading into the scene where you will present them.

5. Be sure to provide the Conference Center management with the Ethereum address of the account you will be using in MetaMask to log into Decentraland when you are rehearsing or presenting. Only allow-listed addresses will be able to see and use the slide controls.

The Conference Center can assist in slide preparation / review.

Presenting Your Image Slides

Once your slides are uploaded by the Conference Center management to the venue you will be using, you can rehearse and present them, as follows.

The example given here is for the Meeting Center venue.

  1. Be sure to log into Decentraland with your white-listed wallet address
  2. Go to the venue. The standard venue URLs are listed on the Directions page.
  3. Go to the room or stage for the presentation. Presentations given in the Meeting Center are typically controlled from on the stage in the North Room, although viewers can see the presentations on screens elsewhere in the Meeting Center.
  4. If your wallet is white-listed you will see some controls and a teleprompter screen presented to you. These are NOT visible to other attendees.
  5. The << and >> controls are for changing slide decks (for example for conferences with multiple speakers).
  6. The < and > controls are for moving from slide to slide in the current deck.
  7. There is a medium-small teleprompter screen over the front of stage-right, so that if you stand stage-right of the main screen behind you, facing the audience in the room, you can see your slides as you change them without having to turn around and look back.

We recommend finding a time before your conference or presentation to rehearse with the controls and teleprompter a bit.

There is a small glitch seen sometimes, but only by the presenter. When you change to a new slide, it might “bounce” back and then forward again briefly. This is not seen by anyone but you so don’t worry. Everyone else sees the slide change cleanly, just once, within a second.

Note that normally the presentation will be visible to attendees on the big screen at the back of the stage, as well as on screens in the Middle room, Expo Space, and breakout rooms in the Meeting Center venue, such that a large number of attendees can see the slides as you present, and they will be able to hear your voice via the Discord Voice Channel of the North Room if they choose.

By special arrangements, pre-recorded sounds and 3D models with animations, can be used in presentations. Please allow several weeks for the Conference Center Management to work with you to make these ready and working the way you wish.

Recording of Sessions and Events

There is no way that the Conference Center Management can keep attendees from recording the audio or visuals of your event, although you can ask them not to do so if you wish.

On the other hand, if you wish to have the presentation recorded, you may arrange with your own tech staff, or with the Conference Center Managment, to record your presentation (e.g. video and audio recording from some “camera-avatar” point of view using the OBS application.)

Arrangements can be made to turn this video into a YouTube video, or use it as a guide to make a “canned” version of the presentation that can then be made available for people to see and hear self-service in the Conference Center meeting room when it isn’t otherwise booked.