In Broadcast - January 2021 - 28

28

www.inbroadcast.com | Vol: 11 - Issue 1 | January 2021

InTech

Closed Captioning Update
Contributing Editor David Kirk
has another look at the latest
developments in closed captioning...

T

his article looks at the latest
developments
in
closed
captioning, including announcements
made since InBroadcast covered this
category in October 2020. It is an area
dominated by software, cloud services
and a hybrid of the two. Some service
providers are also included in this
summary.
Closed caption subtitling was
originally developed to assist TV
viewers with impaired hearing. It
was first demonstrated in 1972,
by the American Broadcasting
Company. In Europe, the BBC began
including subtitles for pre-recorded
programming in 1979, based on
the Teletext framework. Real-time
captioning of live broadcasts followed
in 1982, developed by the US National
Captioning Institute and powered by
reporters trained to write at speeds of
over 225 words per minute.
Improvements
in
speech
recognition technology over the
subsequent decades have allowed live
captioning to be partly or even fully
automated, typically using a trained
're-speaker' who paraphrases the
running commentary for input to the
automated text generation system.
Like OCR technology, it works well
most of the time but is ideal territory
for artificial intelligence programmers
until they too are replaced by AI-based
processors.
In recent years, captioned content
- both closed (meaning individual
viewers can switch it on or off) and
open - has demonstrated the further
advantage that it makes online video
content visible to search engines which
in turn increases viewer numbers.
AppTek's Live Captioning Appliance
is a CPU or GPU server installed
with automatic speech recognition
software. It delivers same-language
captions for live content with claimed
accuracy and speed that exceeds

manual
services.
The
companion Automatic Speech
Recognition module delivers
same-language
captions
for live content in multiple
languages.
BroadStream's 'VoCaption
for Live Automated Captions
and Subtitles' is the company's
first new product launch since its
acquisition of Screen Subtitling
Systems. VoCaption is designed to
support live captioners or to provide
captioning where live captioners
are not available. " We've watched
AI technology improve dramatically
over the last few years and find it to
be on a par and sometimes better
than humans with quality audio, " says
BroadStream COO Melissa Preslar " ,
BroadStream's Chief Operating Officer.
" When a few errors do pop-up, the
significantly lower cost for VoCaption
is too good to pass up. "
Enco's
enCaption
can
automatically
generate
captioning
for
video.
The latest generation of
enCaption
includes
an
offline file based mode for
automatically
captioning
pre-recorded content. Audio
or video files can be ingested
and immediately output in
multiple captioning file formats or
sent for human transcription. Linking
enCaption to an electronic newsroom
system allows automatically access
of current and historical script
information to build a local dictionary
which allows the system to improve
accuracy over time. Custom packaging
can be configured to recognise
a station's specific set of words.
enCaption can automatically generate
captions via an NDI input stream and
output an NDI signal with captions
keyed directly on top of the video
stream.

AppTek's Live Captioning Appliance

captioned by a specialist Red
Bee Media team in Paris.
Take 1 specialises in
transcription
metadata,
providing transcripts, access
services, translations, and
As Broadcast scripts to
production
companies,
studios, localisation vendors
and networks across the
globe. It recently selected
OOONA Tools to augment
its subtitling and caption
management
workflow.
Enco's enCaption
OOONA Tools is a browser-based
production suite which incorporates
all the re-sources needed for subtitling
OOONA has announced a technology and captioning online from any
agreement with US-based Y Translator. internet-connected Windows or Mac
The partnership makes Y Translator's computer. " Operational flexibility
AI-based
speech-to-text
and has always been a core aspect of the
translation processing easily accessible services we provide to our global
to users of the OOONA platform. " Y clients, " says Take 1 COO Stephen
Translator's AI resource is a powerful Stewart. " OOONA Tools gives our
addition to the multiple engines we teams the ability to perform their
offer, " comments OOONA CEO and co- core tasks at any time and from any
founder Wayne Garb. " It allows closed location. Operating from headquarters
captions to be generated automatically in the UK, we have additional facilities
in minutes. Users can then proofread in Los Angeles, Connecticut and
and polish them into broadcast- Santiago. Working online allows
our staff to function as an
efficient connected team
active across multiple time
zones. "
Telestream's MacCaption
software (for Apple Mac)
and
CaptionMaker
(for
Windows) allow authoring,
editing, encoding and repurposing of video captions
OOONA Review Pro graphic user interface and subtitles for television,
quality captions. Y Translator will be web and mobile de-livery. Both are
available on a per-minute pay-as- available in three configurations you-go basis directly from the OOONA Desktop, Pro and Enterprise. The
Shop section of our website. " The Desktop version provides the facilities
OOONA Shop offers online access to needed to create closed captions
a wide range of facilities designed for from scratch and can import/export
use by translation, captioning and in commonly used file formats such as
subtitling service providers. These SCC, MCC, Timed Text and WebVTT. Pro
include OOONA Create, Translate, adds CEA-708/608 caption sourcing
Transcribe, Review, Subtitle Converter, and embedding compatibility with
Burn & Encode and Compare. Each is TV formats such as MPEG-2, H.264,
accessible on an individual pay-as-you- MXF, ProRes, and Avid AAF. It can also
go basis.
import caption interchange formats
Red Bee Media has offered live such as CAP, TDS, ULT, PAC, and EBUcaptioning services for many years. STL for editing and conversion to CEAIt was recently chosen by beIN 708 captions. Pro additionally supports
SPORTS France to caption of live subtitle overlays, professional DVD
content for broadcasts of major and Blu-ray subtitling formats, live
national and international sports captioning and manual assemble
events as well as related studio captions. Enterprise supports batch
shows, including major league and conversion plus external scripting and
international football. All content is control.


http://www.inbroadcast.com https://www.enco.com/products/encaption https://www.enco.com/products/encaption https://www.enco.com/products/encaption https://ooona.net/ooona-tools/ https://www.apptek.com/solutions/live-closed-captioning-appliance https://www.apptek.com/solutions/live-closed-captioning-appliance https://www.apptek.com/solutions/live-closed-captioning-appliance

In Broadcast - January 2021

Table of Contents for the Digital Edition of In Broadcast - January 2021

Contents
In Broadcast - January 2021 - Intro
In Broadcast - January 2021 - Cover1
In Broadcast - January 2021 - Cover2
In Broadcast - January 2021 - Contents
In Broadcast - January 2021 - 4
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In Broadcast - January 2021 - 55
In Broadcast - January 2021 - Cover3
In Broadcast - January 2021 - Cover4
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