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Ryo Iijima, Akihisa Shitara, Sayan Sarcar, Yoichi Ochiai
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Introduction
Growing need to consider
the accessibility
of online meetings.
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Introduction visual dispersion is a challenge for DHH people
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Introduction visualization of topic transitions
Senthil Chandrasegaran, Chris Bryan, Hidekazu Shidara, Tung-Yen Chuang, and Kwan-Liu Ma. 2019. TalkTraces: Real-Time Capture and Visualization
of Verbal Content in Meetings. In Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems (CHI '19).
Additional visual sources of information can be beneficial.
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Introduction maintaining a small visual dispersion
Adding one more display for word cloud
would cause the visual dispersion.
Displaying word cloud in the background
of each participant's video.
Word Cloud for Meeting
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Pilot Study three requirements
Users can understand the ongoing topics at a glance.
Users can understand who is saying what.
Users can be aware of changes in information.
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Pilot Study prototype design
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Pilot Study modifications made to the system
To illustrate a change in topic,
new words are presented in a darker color,
and the words fade over time.
Old words are removed
to avoid displaying too many words.
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Experiment video recording
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Experiment questions
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Experiment the participants' responses to the questions
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Experiment the results of the semi-structured interviews
Customizability
Situation where the system is useful
Optimal Placement
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Experiment customizability (theme 1/3)
P3 suggested the ability to mute words that were not important to him.
P1, 6 wanted to see only nouns and verbs. P3 wanted only nouns.
P1, 3, 6 wanted to change the color of the words.
P2, 6 wanted the switch the system on and o
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according to their needs.
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Experiment situation where the system is useful (theme 2/3)
P1, 3, 7 would like to use the system in casual conversations.
P2, 6 said the system helps them to passively listen to conversations.
P1, 3, 5 worry that the system may make errors in conversations
with many technical terms.
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Experiment optimal placement (theme 3/3)
Four participants were concerned about
the word hidden behind a person, making it partially invisible.
P5, 7 suggested that the person be placed on the left side of the video
and the word cloud on the right.
P3, 5 suggested that the words be placed around the person.
Four participants asked that the freshness of the word be expressed
by its layout, not by its color.
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Discussion frequent topic shifts make the system distracting
halloween...?
Our system is useful for observing shifts in topics.
Frequent switching of topics may cause confusion.
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