background image

 

 

 
 

When  Content  is  displayed

,  a  small  image  of  the  far  end  conference  participants 

appears  alongside  the  larger  Content  image,  layouts  may  be  altered  using  the 
Layout button.   
 
Content transmitted or received 
 
1.

 

Content big, far site small 

2.

 

Content big, near site small 

3.

 

Content and far site, same size, side by side 

4.

 

Content, full screen 

 
 

 

 
Point to Point Call, Picture outside Picture (POP) with 16x9 Content 
 

In dual  monitor  mode

  with  no  Content  transmitted or received the main monitor 

displays the far site image and system menus, the second monitor displays the near 
site camera images. 
 

When content is transmitted

 a number of layout options are available. 

 

Main Monitor (includes Menus) 

Second Monitor 

Content  and  near  site,  same  size, 
side by side 

Far site full screen 

Content big, near site small 

Far site full screen 

Content big, far site small 

Near site full screen 

Content full screen 

Near site full screen 

Content full screen 

Far site full screen 

  

Содержание HDX 4500

Страница 1: ...04 TEST RESULTS FOR POLYCOM HDX 4500 Manufacturer Polycom Model HDX 4500 Software Version 3 0 3 14451 Optional Features and 1080p Resolution Modifications Date of Test 14th 18th November 2011 System...

Страница 2: ...ii HD Camera Control Panel...

Страница 3: ...ROCEDURE 2 C HARDWARE DESCRIPTION 2 D SYSTEM OPERATION 7 E VIDEO TESTS SUMMARY 11 F AUDIO TESTS SUMMARY 11 G DATA TESTS 11 H CONNECTIVITY 11 Appendix 1 Detailed Physical Information 14 Appendix 2 Deta...

Страница 4: ...definition videoconferencing system which supports variable resolutions up to a maximum of 1920 x 1080 pixels 1080p at 30fps or 1280 x 720 pixels 720p at 60fps A single integrated unit comprising The...

Страница 5: ...he HDX 4500 systems supplied for evaluation had a maximum call bandwidth of 4 Mbit s and included the 1080p 30fps option The CODEC offers several video resolutions including SIF 352 x 240 pixels CIF 3...

Страница 6: ...available are None Preserves the aspect ratio of the source video The image is scaled if necessary to the largest supported resolution that fits on the display without cropping Unused areas of the di...

Страница 7: ...t Call Picture outside Picture POP no content near and far sites side by side This image clearly shows the screen reflections Point to Point Call Picture outside Picture POP no content far site large...

Страница 8: ...icture POP with 16x9 Content In dual monitor mode with no Content transmitted or received the main monitor displays the far site image and system menus the second monitor displays the near site camera...

Страница 9: ...ing effect around the edge of the presenter image The optional high definition MCU provides four host HDX CODEC plus three remote sites The speed of each connection is dependent on the total number of...

Страница 10: ...es For added security this remote management system may be password protected For connection to a room control system etc an RS232 serial control port is also provided D SYSTEM OPERATION The remote co...

Страница 11: ...annel The two signals are then sent to the remote site for simultaneous display on two picture monitors Both channels can deliver high resolution high frame rate images Successful H 239 conferences we...

Страница 12: ...shots of the transmitted and received images are also available from the web interface using either Remote Monitoring which provides snapshots of the near and far video images or Web Director which p...

Страница 13: ...10 Remote Monitoring Web Director Screenshots reproduced by permission of Polycom...

Страница 14: ...SUMMARY Setup The echo canceller is fully automatic in operation The quality of echo cancellation and doubletalk from the system was excellent Audio levels adequate Yes No Yes Audio quality acceptable...

Страница 15: ...o n n e c t C L P o H In calls between the HDX4500 and Tandberg Edge 95 low resolution CIF was transmitted by the Tandberg and SIF was transmitted by the HDX4500 In calls between the HDX4500 and Tand...

Страница 16: ...ected to the Codian MCU using H 264 Video and G 722 1 audio in both directions It interoperated successfully also negotiating 720p resolution on the H 239 channel Received audio level was measured as...

Страница 17: ...Connector Monitor Loudspeakers Internal connection Both RCA Phono Main audio output Line Data 1 1 off LAN 10 100 Mbits s Ethernet connection RJ45 2 1 off 9 pin RS232 serial control 3 1 off USB connec...

Страница 18: ...rs CLR Jerkiness distortion of smooth motion JRK Object persistence lagging images from previous frames as faded or outline images OP Scene cut response i e time to build up the new image SCR Scale of...

Страница 19: ...emote site Subjective Impairments H 323 384 kbit s 768 kbit s 2 0 Mbit s 4 0 Mbit s BLK 1 1 1 1 BLR 1 1 1 1 CLR 1 1 1 1 Test 3 H 264 Blue screen Insert blue screen at local site measure at remote site...

Страница 20: ...ents H 323 384 kbit s 768 kbit s 2 0 Mbit s 4 0 Mbit s BLK 3 1 1 1 BLR 3 2 1 1 CLR 1 1 1 1 JRK 2 1 1 1 Test 9 H 264 Three shot quick zoom in to medium close up centre person Subjective Impairments H 3...

Страница 21: ...ubjective Impairments H 323 384 kbit s 768 kbit s 2 0 Mbit s 4 0 Mbit s BLK 4 3 2 1 BLR 5 4 2 2 CLR 2 2 2 2 JRK 2 1 1 1 Test 12 H 264 Zoom in and zoom out of A to Z map Subjective Impairments H 323 38...

Страница 22: ...LR 1 1 1 1 OP 1 1 1 1 SCR 3 2 2 2 JRK 3 2 2 1 Test 15 H 264 Man teaching with flip chart Subjective Impairments H 323 384 kbit s 768 kbit s 2 0 Mbit s 4 0 Mbit s LS 2 2 1 1 BLK 2 1 1 1 BLR 2 2 1 1 CLR...

Страница 23: ...ting a notch in the frequency response between these frequencies Test 2 Headroom measured on Siren 22 64Kbit s connection Insert increasing amplitude 1 KHz tone at local site monitor for overload dist...

Отзывы: