Polycom HDX 4500 Скачать руководство пользователя страница 7 | Manualshive

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Point to Point 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, small
near site.

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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...

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