Local set-up for supporting advanced telemedicine Nopphol Pausawasdi Faculty of Medicine Siriraj Hospital Mahidol University, Thailand January 24, 2008 The University of Hawaii

Outline Organization overview Supports for telemedicine projects Instrument set-up APAN-Xian 2007 Common problems

Organization overview

Faculty of Medicine Siriraj Hospital Mahidol University Oldest (120 yrs) and Biggest (2,368 beds) hospital in Thailand OPD 2,000,000 visit, IPD 90,000 admission 10,500 personnel (700 staff doctors, 700 residents and 4,000 nurses) 140 curricula 3,200 students (1,250 medical students)

Supports for telemedicine projects Thai government’s supports UNINET and NECTEC (ICT Ministry) Kyushu University Hospital’s supports University’s supports Mahidol Computer Center Faculty’s supports Medical Education Technology Center (MECT) Siriraj Information Technology Center (SIIT)

Mahidol University’s Supports Mahidol Computer Center facilitates networking supports for every faculties Faculty Medical Educational Technology Center supports educational media production (AV supports) Siriraj Information Technology Center supports hardware and network

Mahidol University Campus Network : Internet Kanjanaburee (300 km) ISP 1 2 Mbps MUA ISP 2 2 Mbps 15 Mbps 20 Mbps ISP 3 155 Mbps 2 Mbps (PRI – ISDN) 20 Mbps NSTDA Salaya (25 km) 8 Mbps) 155 Mbps 19 Mbps Phayathai (Central Bangkok) 2 Mbps 2 Mbps 2 Mbps (PRI – ISDN) 1 Gbps Siriraj Rajchaburi Hospital (200 km) General Bangkok Hospital (10 km) Bangkok Samitivej Hospital Convention Centers PRI – ISDN (128k x 3) ISDN – Video Conference (4-site max)

MU Siriraj ICT ministry Networking supports International Telemedicine Computer Center Siriraj 155 Mbps ICT ministry 1 Gbps Siriraj Computer Center UNINET 10 Gbps NECTEC International Telemedicine Sites TEIN2 JGN2

Staff for each telemedicine activity METC (100 persons) Manager 1 Camera man 1-3 Sound staff 1-2 DVTS staff 1 SIIT (110 persons) Hardware and Network team 2 **Not include MU computer center, UniNet, and NECTEC staff. More staff could be provided to support larger scale telemedicine activity.

Instruments

Set-top Video Conference System (H.263) APAN-Xian Tandberg 880 MXP Sony PCS-1 Sony PCS-G50

Video Cameras APAN-Xian SONY DSR-PD170P (PAL) SONY DCR-HC46 (NTSC) JVC GY-DV500E (PAL) JVC GY-DV301E (PAL)

Image outputs APAN-Xian Canon Xeed 600 3500 lumens brightness Samsung LA40s81B

Audio Mixer APAN-Xian YAMAHA MX 12/4

Analog to Digital VDO Converter Box (ADVC)

set-up configuration (Siriraj) (RGB cable) IP line Digital line Analog audio line Analog video line Presentation PC VDO composite A/D Converter Video camera External monitor DVTS PC (Send) VPN Microphone Audio mixer Speakers (RGB cable) DVTS PC (Receive) Projector Speakers PC (MSN)

APAN Xian 2007

APAN Xian 2007

APAN Xian 2007 Network

APAN Xian 2007 VDO (AV manager) DVTS SOUND

Common problems The most common problem is sound Packet loss Echo Looping Interference Packet loss

Problem solving solutions for discussion Echo Use echo canceller Sound looping Use sound mixer that has AUX channel Use 2 sets of speakers and mixers Sound Interference Check network connection Use separate system for sound transmission Packet loss Try to minimize network equipments

THANK YOU www.si.mahidol.ac.th