IP Video Task Force Report

MC8000

POLYCOM

PICTURETEL

TANDBERG

VTEL

VCON

ViewStation FX

600

900

2500

6000

Galaxy

H.320 - ISDN

X

X

X

X

X

X

X

H.323 - IP

X

X

X

X

X

X

X

H.221 - Frame structure for a 64 to 1920 kbps channel in audiovisual teleservices

X

X

X

X

H.224 - Real time control protocol for simplex application using the H.332 LSD/HSD/MLP channels

X

X

X

X

H.231 - Multipoint control units for audiovisual systems using digital channels up to 1920 kbps

X

X

X

H.331 - Broadcasting type audiovisual multipoint systems and terminal equipment

X

X

X

H.281 - Far end camera control

X

X

X

X

X

X

X

H.243 - Procedures for establishing communication between three or more audiovisual terminals using digital channels up to 1920 kbps

X

X

X

X

X

X

H.261 - Video codec for audiovisual services at p x 64 kpbs

X

X

X

X

X

X

X

H.263 - Video coding for low bit rate communication

X

X

X

X

X

X

X

H.263+

X

X

X

X

H.263++

X

X

SQCIF (128 x 96 pixels)

X

X

QCIF (176 x 144 pixels)

X

X

X

X

X

X

X

CIF (352 x 288 pixels) aka FCIF

X

X

X

X

X

X

X

4CIF (704 x 576 pixels)

X

X

X

X

16CIF (1408 x 1152 pixels)

SIF (352 x 240 pixels)

SIF (352 x 240 pixels)

X

X

4SIF (704 x 480 pixels)

X

X

G.711 - Pulse code modulation (PCM) of voice frequencies

X

X

X

X

X

X

X

G.722 - 7 kHz audio-coding within 64 kbps

X

X

X

X

X

X

X

G.722.1 - Low complexity coder; it compresses 50Hz - 7kHz audio signals into one of two bit rates, 24 kbit/s or 32 kbit/s

X

X

X

X

G.723.1 - Dual rate speech coder for multimedia communications transmitting at 5.3 and 6.3 kbps

X

X

X

G.728 - Coding of speech at 16 kbps using low-delay code excited linear prediction

X

X

X

X

X

X

X

Acoustic Echo Cancellation (AEC)

X

X

X

X

X

X

Automatic Gain Control (AGC)

X

X

X

X

X

Automatic Noise Suppression (ANS)

X

X

X

X

X

T.120 - Data protocols for multimedia conferencing

X

X

X

X

X

X

X

QoS

X

X

X

X

Frames per Second: fps

30

30*

30*

30

30

30

Fields per Second

60

60

60

Windows 95

Windows 98

Windows NT

X

X

Windows 2000

X

X

Windows ME

Processor

Calderon

P III

P III

Processor Speed (MHz)

566

Memory (RAM in MB)

128

128

Video Memory (RAM in MB)

Disk Space (MB)

10,000

10,000

Camera (Fixed/PTZ)

PTZ

PTZ

PTZ

PTZ

PTZ

PTZ

PTZ

 Tilt Range

+/-25**

+/-25**

+15/-30**

+15/-30**

+5/-15**

+5/-15**

+/-25**

 Pan Range

+/-100**

+/-100**

+/-90**

+/-100**

+95**

+95**

+/-100**

 Horizontal field of 

 view

51**

66**

270**

270**

 Vertical field of view

76**

76**

 Horizontal angle of

 view

4.3-48.8**

4.3-48.8**

4.3-48.8**

 Vertical angle of view

3.2-37.6**

3.2-37.6**

3.2-37.6**

 Total field of view

231**

266**

 Horizontal resolution

460 HTVL

460 HTVL

430 HTVL

430 HTVL

450 PAL/460 NTSC HTVL

450 PAL/460 NTSC HTVL

460 HTVL

 Zoom range

12x

12x

12x

12x

12x

12x

12x

 Minimum Illumination

7 Lux (F.18)

7 Lux (F.18)

7 Lux (F.18)

7 Lux (F.18)

7 Lux (F.18)

 Focus/Brightness/White Balance

Auto

Auto

Auto or Manual

Auto or Manual

Auto

 VISCA camera support

X

X

X

X

X

 Voice activated camera positioning

X

X

MCU CAPABILITY

X

X

X

 Local plus 3 sites

384 kbps

 Local plus 2 sites

512 kbps

 3 sites IP plus 2 ISDN

384 kbps

1 Mbps

 4 sites IP plus 1 ISDN

256 kbps

768 kbps

Multicast

X

Max Lan Speed

1.5 Mbps

2 Mbps

2 Mbps

USB or Card (ISA/PCI)