Practice of International Distance Learning using DVTS between Three Points of Japan and Korea

Takashi Fujiki (Faculty of Education, Nagasaki University, Japan)

Practice of International Distance Learning using DVTS between Three Points of

Japan and Korea

Practice of International Distance Learning using DVTS between Three Points of

Japan and Korea

Takashi FUJIKI, Yusuke MORITA, Byungdug JUN (Japan),

Sangsoo LEE (Korea),Kenji WATANABE, Toshihiko SHIMOKAWA,

Daisuke YAGYU, Kohtaro KAMIZONO, Chiaki NAKAMURA (Japan)

Takashi FUJIKI, Yusuke MORITA, Byungdug JUN (Japan),

Sangsoo LEE (Korea),Kenji WATANABE, Toshihiko SHIMOKAWA,

Daisuke YAGYU, Kohtaro KAMIZONO, Chiaki NAKAMURA (Japan)

The 7th IASTED CATE2004 (2004.08.16-18)The 7th IASTED CATE2004 (2004.08.16-18)


We performed international distance exchange/learningWe performed international distance exchange/learning

00.20.40.60.81

1999200020012002全体

電力[KWh]

050100150200250

1999200020012002開催年

人数［人］

実参加者数のべ参加者数

00.20.40.60.811999200020012002全体

電力[KWh]

050100150200250

1999200020012002開催年

人数［人］


00.20.40.60.811999200020012002全体

電力[KWh]

050100150200250

1999200020012002開催年

人数［人］


NagasakiNagasakiFukuokaFukuokaGwangjuGwangju

Korea

Japan

Attached Middle School Attached Middle School of Nagasaki University.of Nagasaki University.

Attached Middle School Attached Middle School of Chonnam University.of Chonnam University.

Kyushusangyo Kyushusangyo UniversityUniversity

Feb. 18(Exchange), 19(Learning), 2004Feb. 18(Exchange), 19(Learning), 2004


ConceptConcept

Hu

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Environmental EducationEnvironmental Education

LanguageLanguageLanguageLanguage

MaterialsMaterialsMaterialsMaterials

ContentContentContentContent

DVTSEnvironmentEnvironmentEnvironmentEnvironment

Korean Japanese

GwangjuGwangjuGwangjuGwangju NagasakiNagasakiNagasakiNagasaki

FukuokaFukuokaFukuokaFukuoka

LocationLocationLocationLocation Main Teacher & Translator

Main Teacher & Translator

Sub Teacher & Students




Reason for 3 pointsNecessity of equal footing for each students Main teacher’s class will be a master class and not main teacher’s class will be a slave class.


“ Let’s think about future energy beyond the sea “


Three pointsThree points

High quality movie and translation

High quality movie and translation

Effective materials: Web-GIS

Effective materials: Web-GIS


PurposePurpose

Practical study on international distance learning between three points with DVTS and Web-GIS.

Practical study on international distance learning between three points with DVTS and Web-GIS.


KSU (Kyushu Sangyo Univ.)KSU (Kyushu Sangyo Univ.)

Genkai QGPOP JGNKOREN

NU (Nagasaki Univ.)NU (Nagasaki Univ.)ChNU (Chonnam Nat'l Univ.)

ChNU (Chonnam Nat'l Univ.)

Link of schools : 100MbpsLink of schools : 100Mbps

Network and DVTS EnvironmentNetwork and DVTS Environment

ChNU(Chonnam Nat'l Univ.)

ChNU(Chonnam Nat'l Univ.)

DVTS(Sender)

DVTS(Sender)

DVTS(Sender)

DVTS(Sender)

VideoMixer

DVTS(Receiver)

DVTS(Receiver)

DVTS(Receiver)

DVTS(Receiver)

NU(Nagasaki Univ.)

NU(Nagasaki Univ.)

KSU(Kyushu Sangyo Univ.)

KSU(Kyushu Sangyo Univ.)

Construction for 3 DVTS venuesConstruction for 3 DVTS venues


DVTS (Digital Video Transport System)DVTS (Digital Video Transport System)

http://www.sfc.wide.ad.jp/DVTS/index.htmlNeed: digital movie camera of home use and PC with IEEE1394 I/FSoftware: to send a digital movie from camera to network through IEEE1394 I/F, and to receive the digital movie from network to display device through IEEE1394 I/F.Quality: 780x480, 30fps, NTSCTransmission bit rate: 30 Mbps

http://www.sfc.wide.ad.jp/DVTS/index.htmlNeed: digital movie camera of home use and PC with IEEE1394 I/FSoftware: to send a digital movie from camera to network through IEEE1394 I/F, and to receive the digital movie from network to display device through IEEE1394 I/F.Quality: 780x480, 30fps, NTSCTransmission bit rate: 30 Mbps

http://www.sfc.wide.ad.jp/DVTS/index.html

http://www.sfc.wide.ad.jp/DVTS/index.html


Classroom ConstructionClassroom Construction

NUNU

ChNUChNU

• 3 Screens

1)DVTS

2)Trans. Chat

3)Web-GIS

• 2 Mics

• 2 Video Cameras for DVTS

• 3 Screens

1)DVTS

2)Trans. Chat

3)Web-GIS

• 2 Mics

• 2 Video Cameras for DVTS


Snap shots (ChNU) Snap shots (ChNU)

• Exchange• Exchange

• Introduction and Q&A with Trans. Chat

• Introduction and Q&A with Trans. Chat


Construction of KSUConstruction of KSU• Monitors 1)2 schools 2)Sending picture 3)Trans. Chat 4)IRC• 2MICs• video camera

• Monitors 1)2 schools 2)Sending picture 3)Trans. Chat 4)IRC• 2MICs• video camera


Translation Chat System(Japanese <-> Korean)

Translation Chat System(Japanese <-> Korean)

• Short sentence• Divide a

sentence by block

• Expression look like not conversation

• Short sentence• Divide a

sentence by block

• Expression look like not conversation


Web-GIS as Learning MaterialWeb-GIS as Learning Material

• Displaying ratio of electric power generation

• Displaying ratio of electric power generation

• Also using graph

• Also using graph


Behavior of Bit Rate in LearningBehavior of Bit Rate in Learning

At KSU on Feb.18th

0

10

20

30

40

0 2000 4000 6000 8000Elapsed Time [sec]

Bit

Rat

e [M

bps]

KSU -> NU

KSU <- NU

Bit Rate avg.: 29.0 Mbps


At KSU on Feb.18th

0

10

20

30

40

0 2000 4000 6000 8000Elapsed Time [sec]

Bit

Rat

e [M

bps]

KSU -> NU

KSU <- NU



At KSU on Feb. 18th

0

10

20

30

40

0 2000 4000 6000 8000Elapsed Time [sec]

Bit

Rat

e [M

bps] KSU -> ChNU

KSU <- ChNU



At KSU on Feb. 18th

0

10

20

30

40

0 2000 4000 6000 8000Elapsed Time [sec]

Bit

Rat

e [M

bps] KSU -> ChNU

KSU <- ChNU



NU-KSUNU-KSUChNU-KSUChNU-KSU

• NU KSU : 29 Mbps (Full frame)• ChNU KSU : 6 Mbps (7 fps) ChNU KSU : 8 Mbps (7 fps)

• NU KSU : 29 Mbps (Full frame)• ChNU KSU : 6 Mbps (7 fps) ChNU KSU : 8 Mbps (7 fps)Domestic DVTS communication obtained

high quality picture.

Domestic DVTS communication obtained high quality picture.


Results of QuestionnaireResults of Questionnaire

Availability: very highLearner’s evaluation : good

Availability: very highLearner’s evaluation : good

Availability

Learner’s average: 3.6Teacher’s average: 3.4

Availability

Learner’s average: 3.6Teacher’s average: 3.4


ConclusionConclusion

We practiced international distance learning about environment education using high quality movie through gigabit network, human and chatting translation system between Korea and Japan.


Students and teachers’ evaluation about availability was very high.

We practiced international distance learning about environment education using high quality movie through gigabit network, human and chatting translation system between Korea and Japan.


Students and teachers’ evaluation about availability was very high.


Future WorkFuture Work

Distance Learning using HDTV Distance Learning using HDTV


Thank you very much.I am appreciate for your

kind attention.

Thank you very much.I am appreciate for your

kind attention.

Takashi FUJIKI

(Faculty of Education, Nagasaki University)

[email protected]



ConceptConcept

Global education: the Earth Environment Problem.Easily break through the wall of country using Distance Education System.

“ Let’s think about future energy beyond the sea “3 points connection: connecting between three points, Gwangju, Fukuoka and Nagasaki.High quality movie: using DVTSEffective class: using Trans. Chat and Web-GIS

Global education: the Earth Environment Problem.Easily break through the wall of country using Distance Education System.

“ Let’s think about future energy beyond the sea “3 points connection: connecting between three points, Gwangju, Fukuoka and Nagasaki.High quality movie: using DVTSEffective class: using Trans. Chat and Web-GIS


Concept of international distance exchangeConcept of international distance exchange

Hu

man

T

ran

s.,

Tra

ns.

Ch

at

Hu

man

T

ran

s.,

Tra

ns.

Ch

at


LanguageLanguageLanguageLanguage

MaterialsMaterialsMaterialsMaterials

ContentContentContentContent

DVTSEnvironmentEnvironmentEnvironmentEnvironment

Korean Japanese

GwangjuGwangjuGwangjuGwangju NagasakiNagasakiNagasakiNagasaki

FukuokaFukuokaFukuokaFukuoka

LocationLocationLocationLocation Main Teacher & Translator

Main Teacher & Translator










Exchange flow

1)Greeting speech(Head master of ChNU's MS)

2)Introduction of each school

Introduction of each city, school, school events etc.

4)Q & A

Q & A by each group using translation chat.

5)Greeting speech(Head master of NU's MS)

Faculty of Education, Nagasaki University, Japan

Class Work ContentLearning about Energy Problem

(Theme: Lets think future of energy beyond the sea!)

Materials: Map and graph using Web-GIS(Comparing with quantity of electric power by power generation about Korea, Japan, and other country)

Explanation by expert(Kind of power generation and quantity, and new energy)


Class Work ExpansionShowing CoalsBurning coal has many problems.

(Done away with fossil fuel, Exhaust harmful

gases, Air pollution, Rise in temperature,

Acid rain)

Electric power is clean.Electric power is generated with coals.Our countries, Korea and Japan, 60% of electric power generation need coal etc..Thinking dream energy together.


DVTS SenderDVTS Receiver

HUB Campus LAN

DV cam DV cam

IEEE1394 IEEE1394

100Base-TX

Projector

Video Out

Audio MixerEcho CancellerEtc. DV cam

Video out

Audio Out Audio Out

Nagasaki/Gwangju System

DV cam

Video out

Video

Switcher

Video out

TranslationChat PC

Projector

Web GIS PCProjector


Video Mixer

DV Deck

DVTS Sender to ChNUDVTS Receiver from ChNU

HUB

IEEE1394

100Base-TX

MixerEcho Cancelleretc

DVTS Sender to NU

Media Converter

Video Camera

Media Converter

Projectoror Monitor

DVTS Receiver from NU

Audio, Video Output

Video Out

Audio

KSU System

DV Deck DV Deck

Audio, Video Out

IEEE1394

TranslationChat PC

Projector or Monitor

Web GIS PCProjector or Monitor


Acknowledgement• Core Univ. project• QGPOP• TAO• KOREN• G/H• e! project• KEPCO(Kyushu Electric Power Company)• Middle School of Chonnam Nat’l Univ.• Middle School of Nagasaki Univ.


Documents

Practice of International Distance Learning using DVTS between Three Points of Japan and Korea