Open Captioning:

•Select Source from the list and press “Refresh” if the source does not appear right away. If you are using encoder software, please select the output NDI ® source from your encoding application or click your audio input device. The volume slider adjusts the volume to monitor the source, it does not affect the input volume to the application. The top left corner will indicate how many transcription minutes are left in your account.
•Make sure that “Output NDI® Video Overlay” is checked off so the encoder can see it as a source. Select “Output to File” to write an .srt file and then select “Caption File” to save it to your desired location (otherwise it will save the .srt file to “my documents”)

•Press the “Start Transcribing” button to begin transcription, the button will turn for green to red.
•Press the “Stop Transcribing” button to stop transcription, the button will turn from red to green.
•In the Encoding Application (Such as Wirecast) select the NDI ® output of EZLive Caption to overlay on your video (Open Captioning).
. You can use an audio input on your machine or audio input device


EZLive View

EZLive View Embedded Overlay (New) to allow for universal live closed captioning with an embedded video player.

• View captions in a separate webpage or mobile web browser with multiple language output.  

• Compatible with Zoom, Teams, Webex and other video conferencing software

• Compatible with standard webcast (one to many)

Template Code:

<script type="text/javascript" src=""></script>

<div id="playerContainer">

                <!-- Embedded Video player of your choice -->

                <div id="EZLiveOverlay" ></div>

                <script type="text/javascript">


                                                id: "EZLiveOverlay",

                                                url: ""




Parameters in ezloSetup:

Set 'id' to be the id of the element that will become the overlay.

This parameter is necessary. The overlay will not function if this is not set.



            id: "OverlayID"


Set 'url' to the url generated from EZLive caption to get for a specific EZLiveViewer session.

If this parameter is not included the user will be able to paste in an overlay link.


              id: "EZLiveOverlay",

              url: ""


Wowza Closed Captioning:   

•Note: Please Download the EZLive Caption Wowza Server Configuration, also requires a player that is compatible with live Close Captioning (such as JWPLAYER or Video.JS).   

•Select “Output to Wowza” Enter in the Wowa Configuration information, the press “save”   

•Press “Start Transcribing” to send your captions to Wowza

•The bottom left corner will indicate that EZLive Caption is outputting to Wowza.

EZLive Caption, a windows-based software application, provides near real-time captioning of the voice track for live streaming. Captions are automatically injected into Internet-bound
streams (Open Captions) or can easily be edited in post-production, with the EZLive editor, for on-demand content streams.
By default, EZLive Caption creates open captions, captions that are embedded in the video and cannot be turned off. If your workflow utilizes a Wowza streaming server and you have a player that supports true closed captioning (such as JW Player), EZLive Caption does support Closed Captioning of your content. 
EZLive Caption FAQ

Q: EZLive Caption vs. EZlive Caption Plus
A: EZLive Caption

Transcription only
Available in 30 input spoken languages
1-to-1 speech-to-text caption
Language chosen per captioning
Spoken Language ----> Text output
 English ----> English
 Spanish ----> Spanish
 Chinese ----> Chinese
 French ----> French
 Thai ----> Thai
A: EZlive Caption Plus

Transcription and Translation
Available in 30 input spoken languages
1-to-1 speech-to-text transcription PLUS
1-to-1 multiple-to-text translation
Translation combination chosen per
captioning session
Spoken Language ----> Text output
 English ----> English
                         + Chinese
 Spanish ----> Spanish
                         + English
 Chinese ----> Chinese
                         + French
Input Language:

1. English (United States)
2. English (Australia)
3. English (Canada)
4. English (United Kingdom)
5. English (India)
6. English (New Zealand)
7. Catalan (Spain)
8. Chinese (Mandarin, simplified)
9. Chinese (Mandarin, Traditional)
10. Chinese (Taiwanese Mandarin)
11. Danish (Denmark)
12. Dutch (Netherlands)
13. Finnish (Finland)
14. French (Canada)
15. French (France)
16. German (Germany)
17. Hindi (India)
18. Italian (Italy)
19. Japanese (Japan)
20. Korean (Korea)
21. Norweigan (Bokmål) (Norway)
22. Polish (Poland)
23. Portuguese (Brazil)
24. Portuguese (Portugal)
25. Russian (Russia)
26. Spanish (Spain)
27. Spanish (Mexico)
28. Swedish (Sweden)
29. Thai (Thailand)
30. Arabic (Egypt

Output Language:

1. English
2. Afrikaans
3. Arabic
4. Bangla
5. Bosnian (Latin)
6. Bulgarian
7. Catalan
8. Cantonese (Traditional)
9. Chinese Simplified
10. Chinese Traditional
11. Croatian
12. Czech
13. Danish
14. Dutch
15. Estonian
16. Fijian
17. Filipino
18. Finnish
19. French
20. German
21. Greek
22. Haitian Creole
23. Hebrew
24. Hindi
25. Hmong Daw
26. Hungarian
27. Indonesian
28. Italian
29. Japanese
30. Kiswahili
31. Klingon
32. Korean
33. Latvian
34. Lithuanian
35. Malagasy
36. Malay
37. Maltese
38. Norwegian
39. Persian
40. Polish
41. Portuguese
42. Querétaro Otomi
43. Romanian
44. Russian
45. Samoan
46. Serbian (Cyrillic)
47. Serbian (Latin)
48. Slovak
49. Slovenian
50. Spanish
51. Swedish
52. Tahitian
53. Tamil
54. Thai
55. Tongan
56. Turkish
57. Ukrainian
58. Urdu
59. Vietnamese
60. Welsh
61. Yucatec Maya
Q: How do I select the translation feature in EZLive Caption Plus?
A:  1. Go the "Language Menu Tab" , then
      2. select the "Input Audio Language"
      3. select the "Output Caption Language
Q: Can EZLive Caption be used for TV Broadcasting?
A: No, EZLive Caption is designed for live internet web streaming.

Q: Does EZLive Caption require NDI® as an input source?
A:  No, you can use the audio input on your computer or another audio input device. 

Q: How are the captions displayed on my viewer?
A: The captions (text overlay) output from EZLive Caption also uses the NDI® protocol to  inject the captions into your video stream. 

Q: Can EZLive Caption support true closed captioning?
A: Yes. EZLive View Embedded Overlay (New) to allow for universal live closed captioning with an embedded video player.

OR your workflow uses a Wowza Server for streaming and you have a closed caption  enabled player, such as JWPlayer or Video.JS, the captions can be controlled (turned on or off) through the player dashboard. 
Q: Can I use EZLive Caption to caption a previously recorded video file?
A: Yes, you can use VLC Player with the NDI® plugins to feed EZLive Caption a file of
recorded video/audio from a compatible capture device. You can download the (free) NDI
Tools from Newtek, Then you can select the NDI® output from the VLC as
an input to EZLive Caption. We recommend that you use a separate PC so as not to overload
your primary captioning computer.
Q: Does EZLive Caption run on a Mac?
A: No, Windows 10 on a PC only.
Q: What are the computer hardware requirement for run EZLive Caption?
A: We recommend a minimum of:
• Intel i5 (6th Generation or above)
• 8 GB RAM
• Windows 10
Q: What is the recommended bandwidth for captioning
A: We recommend a 1 Mbps upload and download for optimal performance. Any slower
connection speed is likely to result in a longer delay in receiving the caption text.
Q: What encoding software is EZLive Caption Compatible with?
• Wirecast 8 and above
• Tricaster with NDI® Compatibly
• Tricaster DS
• Livestream
Although not tested, any encoder software or hardware that is NDI® compatible should
work with EZLive Caption
Q: What is the file format of the transcription file EZLive Caption creates?
A: EZLive Caption can write either a standard .SRT or .WebVTT format
Q: What is the difference between Open Captioning and Closed Captioning
A: Open Captioning embeds the captions as a video overlay. Closed Captions are handled
directly by a server (eg, Wowza) and video player (eg, JWplayer, Video.JS) and the captions can be
toggled on/off through the player. Or use EZLive View Embedded Overlay (New) to allow for universal live closed captioning with an embedded video player
EZLive Caption creates Open Captioning with any of our recommended video encoders (or
potentially any encoder software or hardware that is NDI® compatibile or use the EZLiveView Chroma Overlay). 
Q: How do I setup my Wowza Server for closed captioning?
A: Contact to download the Wowza Server plug-in and further
Q: How does Audio Quality of my source video impact my captioning?
A: Clarity of the audio signal and a sufficient volume level are key factors in achieving the
best transcription possible. The NDI® Tools referenced above have an application to monitor
video and audio which would help in determining correct levels
Q: Can I run the EZLive Caption application on the same machine that I am using to
encode my video?
A: We recommend that you do not use the same machine to encode video and run EZLive
Q: What is your recommendation on Hardwire vs WIFI internet connection for operating
EZLive Caption?
A: We strongly recommend using a hardwire connection.
Q: Do you have recommendations regarding the interaction of EZLive Caption with a
Network Switch?
A: We recommend using a managed GigE-network switch. NDI® performance may be
dependent upon network traffic and network devices that might affect IP performance.

Contact for assistance.
NDI® Troubleshooting Help:
Download the NDI® Tools from the NewTek website for helpful utilities to use with NDI®
applications. This is a free set of tools to assist in using and troubleshooting NDI®

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NDI® is a registered trademark of NewTek, Inc.

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