Blackmagic Web Presenter HD Manuale utente

February 2021

Installation and Operation Manual

Blackmagic Web Presenter HD

Blackmagic

Web

Presenter HD

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To go directly to your preferred language, simply click on the hyperlinks listed in the

contents below.

English 3

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中文 192

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English

Welcome

Thank you for purchasing your Blackmagic Web Presenter HD!

Blackmagic Web Presenter plugs directly into any SDI equipment, converts the signal

into H.264 and lets you stream it on popular streaming services such as YouTube Live,

Facebook Live and Twitch. You can also transmit broadcast quality video point to point

using an optional ATEM Streaming Bridge. This makes transmission of professional video

toremote locations easy using the internet!

This instruction manual shows you everything you need to know to get started with

Blackmagic Web Presenter and how to use all the features and controls, including how

toset everything up for YouTube Live, Facebook Live, Twitch, Zoom, Skype and more.

Check the support page on our website at www.blackmagicdesign.com for the latest

version of this manual and for updates to your Blackmagic Web Presenter HD’s internal

software. When downloading the software, be sure to register with your information so

wecan keep you updated when new software is released.

We are continually working on new features and improvements, so we are keen

hear from you!

Grant Petty

CEO Blackmagic Design

Contents

Getting Started 5

Using Web Presenter HD’s Front Panel 7

LCD Display 9

Using the Monitor Output 10

Using Web Presenter Setup 15

Live Stream Tab 16

Setup Tab 17

Network Settings 18

Setting Internet Sharing forDirectStreaming 18

Streaming Using Your Smartphone 19

Using Blackmagic Web Presenter HD as a Webcam 19

Setting up Open Broadcaster 19

Creating Video Links with ATEM Streaming Bridge 22

Teranex Mini Rack Shelf 23

Updating the Internal Software 23

Developer Information 25

Blackmagic Web Presenter Ethernet Protocol 25

Protocol Blocks 27

Help 36

Regulatory Notices 37

Safety Information 38

Warranty 39

4Blackmagic Web Presenter HD

Getting Started

Getting started with your Blackmagic Web Presenter HD is quick and easy! All you need to do

isconnect power, connect video and audio, connect the unit to your computer, then connect to

the internet.

Blackmagic Web Presenter HD front panel

Connecting Power

Plug a standard IEC power cable into your Blackmagic Web Presenter HD’s powerinput on the

rear panel.

Web Presenter HD can be powered using the IEC or 12V DC power input

Web Presenter HD also has an additional 12V DC power input. You can use this input if you want

to connect external power or redundancy via an external power supply, for example a UPS or

external 12V battery.

Connecting Video and Audio

Plug your video source into Blackmagic Web Presenter HD’s SDI input. When video is

connected it will be displayed on your web presenter’s built in LCD. Audio is embedded with

the video on the SDI video signal and you can confirm it by observing the audio meters

on the LCD.

Connect video to your Blackmagic Web Presenter’s SDI input

Blackmagic Web Presenter HD supports 12G-SDI and will automatically switch between HD

and Ultra HD all the way up to 2160p60 when the video input changes. This means you can

input virtually any video signal and it will convert down to 1080p.

5Getting Started

Connecting a Monitor

Plug your HDMI television or SDI monitor into one of the monitor outputs. This lets you monitor

your broadcast and observe important status information that updates constantly with your

video stream. For more information on how to use the monitor output, refer to the ‘Using the

Monitor Output’ section.

Connect a monitor to your web presenter’s monitor output

Connecting to a Computer via USB

Connect your Web Presenter HD to your computer using the USB-C port on the front or rear

panel. These USB ports are used for updating the unit and configuring it with the Blackmagic

Web Presenter Setup utility. Once you have configured your Web Presenter for the first time,

you can then disconnect the unit from the computer.

Connect your Blackmagic Web Presenter HD to your

computer using the USB port on the front or rear panel

Connecting to the Internet

Connect your Blackmagic Web Presenter HD to the internet by plugging a network cable from

the ‘live stream’ Ethernet port to an internet router or a network switch.

Connect your Blackmagic Web Presenter HD to your

network via the Ethernet port on the rear panel

6Getting Started

Setting up a Live Stream

You can now setup your Web Presenter HD to stream via any streaming platform such as

YouTube Live, Facebook Live, Twitch and more. For this example, we will set up for a YouTube

Live stream.

1 Copy your stream key from your YouTube Studio account.

2 Download the Blackmagic Web Presenter Setup utility from

www.blackmagicdesign.com/support and install it on your computer.

This software lets you configure streaming settings for the first time.

3 Launch the Blackmagic Web Presenter Setup utility and go to the ‘live stream’ page.

4 Set the platform to YouTube and the server to ‘primary’. Paste your YouTube stream key

into the ‘key’ field and select a streaming quality. Click ‘save’.

5 You’re now ready to start streaming to the world! Click the ‘on air’ button or press the

‘on air’ button on the unit’s front panel. When your production has finished, press the

‘off’ button to stop your broadcast.

Using Web Presenter HD’s Front Panel

Use Blackmagic Web Presenter’s front panel controls to start and stop streaming and

change settings.

On Air - To start streaming, simply press the ‘on air’ button. The button will highlight red while

streaming on air.

If the on air button flashes, it means a live stream has failed to start, or has stopped

unexpectedly. This might be due to a problem with your internet connection or streaming

settings. Check that your internet connection is working and your streaming settings

are correct.

7Using Web Presenter HD’s Front Panel

Off - To stop streaming, press the ‘off’ button.

Menu - Press the menu button to open the settings on the LCD.

To change a setting:

1 Rotate the knob to select the setting you want to change, then press ‘set’.

2 Rotate the knob to change your setting.

3 Press ‘set’ again to confirm the change.

Press the menu button to step back through the menu items and return to the home screen.

Call - This feature will be enabled in a future update.

Lock - Press and hold this button for 1 second to lock the panel. This disables the buttons,

preventing anyone from accidentally going on air or stopping a stream. The button will

illuminate red when active.

Press and hold for 2 seconds to unlock the panel.

8Using Web Presenter HD’s Front Panel

LCD Display

The home screen is the first feature you’ll see when you power up your Web Presenter HD.

The home screen displays important information, including:

Cache – Showsthe

percentage of Web Presenter

HD’s built in memory cache

that is currently in use.

Data Rate – Shows

the data rate of the

encoder whether or

not your Presenter HD

is streaming. You can

connect your video

source to an input and

quickly see the bit rate

required to stream

your live video feed.

Video Monitor – Displays the input video

source that is connected to Web Presenter HD.

Audio Meters – Displays

the audio levels of the

video source connected

to Web Presenter HD.

Duration Counter – Shows the

current duration of your live

stream. The counter will start when

you press the ‘on air’ button.

Internet Connection –

Asmall icon is displayed

whenyour Web Presenter HD

is connected to the network.

On Air Status – A bright red on

air indicator will be displayed

when your live stream is running.

When the unit is standing by

ready to start streaming ‘off’ will

be displayed. Aflashing red and

white on air indicator means that

there has been an interruption

during the stream, such as a

slow internet connection.

9Using Web Presenter HD’s Front Panel

Internet Connection Icons

A blue Ethernet icon is displayed when an Ethernet cable is connected and the

Ethernetconnection will be used for streaming.

A red Ethernet icon is displayed when on air and streaming via Ethernet.

A blue smartphone icon is displayed when a tethered smartphone’s internet

connectionwill be used for streaming.

A red smartphone icon is displayed when on air and streaming via a tethered

smartphone.

TIP If no icon is displayed then your Web Presenter HD is not connected

to the network.

Using the Monitor Output

The monitor output lets you monitor the video input, audio levels, on air status, data rate and

cache levels, plus technical information about the SDI input.

The monitor out on Web Presenter HD provides comprehensive

information including data rate and cache status.

10Using the Monitor Output

The monitor output display is made up of 8 panels. Below is a description of each panel and the

information it displays.

Input View

The main panel displays your current video input from the connected SDI video source.

On Air Status

Prior to streaming, the on air status indicator will display ‘off’ to let you know

Web Presenter HD is standing by and ready to broadcast. When streaming begins,

theindicator will display a bright red ‘on air’ status until streaming is stopped.

Underneath the on air indicator is the duration counter. When you press the on air

button on the Web Presenter HD, the duration counter will start running.

If your Web Presenter HD is off air but will stream via a tethered smartphone, the ‘off’

indicator includes a blue smartphone icon in the corner. When on air, the smartphone

icon will illuminate red.

Live Stream

The live stream panel displays information about your live stream settings. This includes

the streaming platform, server and the first 10 digits of your streaming key. It also

displays the stream resolution and quality settings.

11Using the Monitor Output

Video Input

The 5 mini viewers at the top of the video input panel show the previous 6 seconds of

your live stream, each mini viewer represents 1.2 seconds of streaming time.

Below the mini viewers you can view detailed technical information about the video

input source connected to your Web Presenter HD’s SDI input.

Input Standard Displays the resolution and frame rate of the SDI video input.

Web Presenter HD supports up to 2160p60.

Colorimetry Shows the color space of the SDI video input. Web Presenter HD

supports Rec.601, Rec.709 and Rec.2020 color spaces.

SDI Ancillary Data Ancillary data is data carried in the SDI video input that is in

addition to video. This includes embedded audio, timecode and

closed captions. If your SDI input includes ancillary data then

‘Present’ will be displayed.

Timecode Displays the timecode from the SDI video input source.

Closed Captions If your SDI video input includes Closed Captions the format will be

displayed here. CEA-608 and CEA-708 formats are supported.

SMPTE 292 CRC This is an error checking function for SDI video. If your

Web Presenter HD detects a problem in the SDI video input it will

display an error. CRC errors are usually caused by a faulty SDI cable

or a cable that is too long.

Luminance Y Bits

and Chroma Bits

The indicators for ‘luminance y bits’ and ‘chroma bits’ show you

the activity of the SDI video input signal. Each letter represents the

state of one bit of the video signal.

X - An ‘X’ indicates a constantly changing bit.

L - A low bit.

H - A high bit.

SDI offsets are subtracted to make it easy to understand. For

example, all bits are low when video is black.

Generally, all 10 bits for your SDI video input will show ‘X’ to mean

all the bits on your video stream are changing constantly. If your

SDI input is 8 bit video, the two rightmost bits will always be ‘L’ as

they don’t have any data. If a bit stays ‘L’ or ‘H’ when you expect

itto be ‘X’, this indicates a ‘stuck bit’ and could be the result of a

fault in the upstream video.

12Using the Monitor Output

Audio Input

The audio waveform display at the top of the audio input panel shows the audio

information for the past 6 seconds of your live stream. This is continually updated and

scrolls from right to left.

Below the audio waveform display you can view detailed technical information about

the audio input.

Sample Frequency Displays the sample frequency rate of the audio embedded

in the SDI input.

Emphasis Indicates if your audio source has its emphasis option enabled.

Audio Source Lock Indicates whether the audio source frequency is locked to an

external reference source.

Word Length Shows the bit depth of the audio embedded in the SDI input.

Origin These four characters indicate the channel origin.

Time of Day Free run timecode.

Audio Bits Shows the bit activity in the audio samples embedded in the

SDI connection. Even if the audio channel status says you have

16, 20 or 24 bit audio, the audio bit activity will confirm it.

VUCP Reading VUCP bits from left to right: the ‘V’ bit indicates ‘valid’,

‘U’is the ‘user’ bit, ‘C’ is the ‘channel status’ bit, and ‘P’ is for

‘parity’. This field is like ‘audio bits’.

Sample Address Audio sample counter.

AUX Bits Use Indicates whether AUX bits are used for main audio.

Audio Channels 1-32 Each digit represents an embedded audio channel on the SDI input.

A ‘P’ shows that an audio channel is in use and a ‘-’ means that

there is no audio on that channel.

13Using the Monitor Output

Data Rate Display

The data rate display shows the current data rate of of the encoder over the past

60 seconds. The data rate is measured in megabits per second. This indicator runs

consistently, even when off air, so you can accurately gauge your bandwidth before

going on air.

Cache Display

The cache display shows the percentage of Web Presenter HD’s built in memory buffer

that is currently in use and the graph shows the amount used over the past 60 seconds.

The cache is a small amount of internal memory that continuously records and plays the

program output. It acts as a safety measure if the streaming data rate decreases below

a level able to sustain video.

The variable nature of the internet is mostly due to network activity or wireless signal

strength, so if the broadcast data rate decreases, the buffer data will increase

accordingly. If the connection speed becomes slow enough that it cannot support the

video stream, the cache will fill with video frames to compensate. However, once the

cache is 100% full, the video stream will be compromised, so you will want to avoid a

full cache where possible. You can run a test by connecting a video feed and watching

the cache display in the monitor output without having to start the stream. If the cache

frequently approaches 100%, choose a lower quality in the live stream settings.

Audio Meters

You can monitor the levels of your audio source using the audio meters. These can be

set to display either PPM or VU levels in the Web Presenter HD’s menu settings. If your

audio levels are too high the meters will illuminate red and may mean that the audio in

your live stream could become distorted or clipped. Ideally try to keep your audio

towards the top of the green section and occasionally in to the yellow section.

14Using the Monitor Output

Using Web Presenter Setup

When your Blackmagic Web Presenter is connected to a network, any computer connected to

the same network can be used to control your Web Presenter remotely. With Blackmagic Web

Presenter Setup, you can access the same controls and settings that are available on the unit’s

front panel.

15Using Web Presenter Setup

Live Stream Tab

Video Output

Stream Standard

Click on the ‘stream standard’ menu to select the video resolution setting for your

stream. Youcan choose from 720p25 up to 1080p60.

Settings

If you have custom streaming settings, for example an XML file from a Blackmagic

ATEM Streaming Bridge, you can import them by clicking the ‘load streaming

settings’ button.

For more information on creating custom settings and connecting to ATEM Streaming

Bridge, refer to the ‘Creating Video Links with ATEM Streaming Bridge’ section later in

this manual.

Live Stream

Platform

Click the ‘Platform’ menu to select the streaming platform for your broadcast. Options

include YouTube, Facebook and Twitch. If you have imported custom streaming settings

they will also appear in the platform list.

Server

Select the server that is closest to your location by selecting it from the list. The server

list will vary depending on your chosen streaming platform.

Key

Enter the streaming key that has been assigned to your broadcast from the

streaming platform.

Quality

Select the streaming quality:

• HyperDeck High 45 to 70 Mb/s

• HyperDeck Medium 25 to 45 Mb/s

• HyperDeck Low 12 to 20 Mb/s

• Streaming High 6 to 9 Mb/s

• Streaming Medium 4.5 to 7 Mb/s

• Streaming Low 3 to 4.5 Mb/s

The data rate used by the quality setting will change depending on the video standard

Web Presenter HD is using. For example, if you select ‘streaming high’ quality and are

running at 1080p24 then it would use the 6 Mb/s data rate.

The data rates used on HyperDeck High are 45 to 70 Mb/s, the rates for HyperDeck

Medium are 25 to 45 Mb/s and the data rates used for HyperDeck Low are 12 to 20

Mb/s. The streaming data rates are lower to allow for transmitting the data over the

internet, so the data rate for Streaming High is 6 to 9 Mb/s, the data rate for Streaming

Medium is 4.5 to 7 Mb/s and the data rate for Streaming Low is 3 to 4.5 Mb/s.

You will notice that each setting has 2 data rates mentioned. The lower number is used

for the lower frame rates of 24p, 25p and 30p, while the higher data rates are used

when you are running higher frame rates of 50p and 60p. It’s also worth noting that the

default setting for the streaming quality is Streaming High 6 to 9 Mb/s, as this gives a

very high quality streaming channel.

16Using Web Presenter Setup

Off and On Air buttons

You can start or stop a live stream by using the ‘off’ and ‘on air’ buttons. The ‘on air’ button

illuminates red when a live stream is in progress.

Setup Tab

Name

If you want to rename your Web Presenter HD, type a new name into the box and click ‘save’.

Language

Lets you change the unit’s language setting.

Software

Displays Web Presenter HD’s current software version.

Audio Meters

Use the menu to choose the type of audio meter to display. Choose from VU -18dBFS,

VU-20dBFS, PPM -18dBFS or PPM -20dBFS reference levels.

Network

These settings allow you to configure options such as choosing between connecting to a

network over DHCP or using a static IP address. For more information on connecting your

WebPresenter HD to a network, refer to the ‘network settings’ section.

Connection Priority - When Ethernet and a mobile phone are both connected to

theWeb Presenter, this setting lets you choose which connection will be used for

streaming. For more information on mobile tethering, refer to the ‘streaming using

yoursmartphone’ section

17Using Web Presenter Setup

Reset

Reset your Web Presenter HD by clicking the ‘factory reset’ button.

Network Settings

Your Web Presenter HD can connect to the network using a static IP address or by using DHCP.

DHCP - will automatically set an IP address for your unit and connect it to your network without

any settings changed.

The dynamic host configuration protocol, or DHCP, is a service on network servers and routers

that automatically finds your Web Presenter HD and assigns an IP address. DHCP makes it easy

to connect equipment via Ethernet and make sure that IP addresses do not conflict with each

other. Most computers and network switches support DHCP.

Static IP - If you want to set the IP address yourself, simply set the protocol setting to ‘static IP’

and change the IP settings manually.

A static IP address is one that won’t change even if your Web Presenter HD is rebooted.

Using a static IP address might be necessary if your connecting your Web Presenter HD to a

corporate network. If you have a network administrator, it’s possible your network might have

custom IP addresses for all the equipment connected to it. It’s best to check with your network

administrator if they are managing your computers and network in your company.

Setting Internet Sharing

forDirectStreaming

If you are unable to plug Web Presenter HD directly into a network switch or internet router,

youcan share your computer’s internet connection with Web Presenter HD through its

Ethernet port.

To set up Blackmagic Web Presenter HD for direct streaming:

1 Set your Web Presenter HD to use DHCP.

2 Configure your computer to share its internet connection through its Ethernet port.

Mac: in System Preferences, click ‘sharing’ then select ‘internet sharing’ from the

‘service’ list. In the ‘share your connection from’ menu, choose ‘wi-fi’ if your Mac is

connected to the internet over wifi. In the ‘to computers using’ list, select ‘ethernet’.

Inthe ‘service’ list, tick the ‘internet sharing’ checkbox. When you are asked if you are

sure you want to turn on internet sharing, click ‘start’.

Windows: right click the ‘start’ icon and select ‘network connections’. The ‘network

status’ screen appears. Click on ‘change adapter options’. This lists your computer’s

network connections. Right click on the internet connection and select ‘properties’.

Onthe ‘sharing’ tab, tick ‘allow other network users to connect through this computer’s

internet connection’. Select a network connection in the menu then click ‘OK’.

3 Plug Web Presenter HD into your computer’s Ethernet port. After a few seconds,

DHCPassigns an IP address to Web Presenter HD.

4 Confirm your Web Presenter HD is connected to the internet via Ethernet by observing

Ethernet icon in the top right corner on the unit’s LCD screen.

18Setting Internet Sharing forDirectStreaming

Streaming Using Your Smartphone

Blackmagic Web Presenter is able to stream by tethering to your smartphone. This means you

can stream to the world from any location where your smartphone has a cellular connection.

To set up mobile tethering:

1 Connect your smartphone to Blackmagic Web Presenter HD using a USB-C cable.

You can use the USB-C connector on the front or back panel.

2 Enable your smartphone’s internet hotspot.

On your iOS device open settings > personal hotspot and make sure ‘allow others to join’ option

is on. On your Android device swipe the screen to display the quick menu. Press and hold the

hotspot icon and then turn on USB tethering.

Now you can press the ‘on air’ button on your Blackmagic Web Presenter HD to go live.

TIP Once you’ve finished streaming, we recommend you switch off tethering

connections to save your smartphone’s battery life.

If your Web Presenter HD had an Ethernet cable connected, you are advised to confirm it is

configured to use mobile internet tethering. Open the Web Presenter Setup utility and go to the

‘setup’ tab. In the ‘network’ section, set the connection priority to ‘mobile’.

Using Blackmagic Web Presenter HD

as a Webcam

Software such as Skype or Zoom should automatically set Web Presenter HD as the webcam,

so when you launch the application you will see video from your Web Presenter HD

immediately. If the application doesn’t select Web Presenter HD automatically, manually set it

touse Web Presenter HD as the webcam and microphone.

Below is an example of how to set the webcam settings on Skype.

1 In Skype’s menu bar, open the ‘video and audio settings’.

2 Click on the ‘Camera’ menu and select your Web Presenter HD from the list. You will

see the video from Web Presenter HD appear in the preview window.

3 Go to the ‘Microphone’ menu and select your Web Presenter HD as your audio source.

Setting up Open Broadcaster

Open Broadcaster is an open source application that works as a streaming platform between

your Web Presenter HD and your favorite streaming software like YouTube, Twitch, Facebook

Live and others. Broadcaster compresses your video to a bit rate that is easily managed by your

streaming app.

Below is a demonstration of how to set up Open Broadcaster to stream the webcam output

from your Web Presenter HD using YouTube Live as the streaming service.

19Using Blackmagic Web Presenter HD as a Webcam

1 2

Launch Open Broadcaster and click on the

plussymbol in the ‘sources’ box.

Select ‘Video Capture Device’.

3

4

Name the new source and click ‘OK’. In the device menu, select your

WebPresenterHD model and click ‘OK’.

5 6

Now go to your YouTube account. Click on the

‘golive’ button then click ‘stream’.

In the YouTube ‘stream’ options, enter your

broadcast details and click ‘create stream’.

7 8

YouTube will now generate a stream key

that will direct Open Broadcaster to your

YouTube account.

Click the ‘copy’ button next to the stream key.

Copy the stream key that you will now paste

intoOpen Broadcaster.

Return to Open Broadcaster and open the

preferences by clicking on ‘OBS/preferences’

in themenu bar. Select ‘stream’. Now paste

in the stream key you copied from YouTube

and click ‘OK’.

You will now see the video from your

Web Presenter HD in the Open Broadcaster

streaming preview window.

20Using Blackmagic Web Presenter HD as a Webcam

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