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HUAWEI Box 500, Box 700, and Box 900 V600R019C00 Web Online Help

Web Online Help
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Terminology

Terminology

The following terms are used in this online help of the endpoint web interface.

Numerics

1080p
1080p is the shorthand name for a category of HDTV video modes. The number 1080 represents 1,080 lines of vertical resolution (1,080 horizontal scan lines), while the letter p stands for progressive scan (meaning the image is not interlaced). 1080p can be referred to as full HD or full high definition, although 1080i is also "Full HD" (1920 x 1080 pixels). The term usually assumes a widescreen aspect ratio of 16:9, implying a horizontal resolution of 1920 pixels. This creates a frame resolution of 1920 x 1080, or 2,073,600 pixels in total. The frame rate in hertz can be either implied by the context or specified after the letter p (or i), such as 1080p30, meaning 30 Hz.
2 panes
Users see two sites on one display in two panes. The two panes are of the same size. Each pane is about 1/4 of the screen. Use 2-pane as an adjective.
3 panes
Users see three sites on one display in three panes. Each pane is about 1/3 of the screen. Use 3-pane as an adjective.
4CIF
4CIF defines a video resolution of 704 x 576 pixels.

B

broadcast (site)
All sites, except for the site being broadcast, view the site that is broadcast. On the Broadcast Site page, users can choose between Broadcast Single and Broadcast in Turn.

C

call site
Place a call to a site to add the site to the conference.
cascading
Multiple MCUs are connected in series at different layers to allow the number of sites to be more than what a single MCU can support. In cascading mode, an MCU in an upper layer can control an MCU in a lower layer.
CIF
CIF (Common Intermediate Format), also known as FCIF (Full Common Intermediate Format), is a format used to standardize the horizontal and vertical resolutions in pixels, of YCbCr sequences in video signals, commonly used in video teleconferencing systems. CIF was first proposed in the H.261 standard.
continuous presence
A feature in multi-point conferencing that allows the endpoint to see images from multiple endpoints at the same time. All parties remain visible or 'present' for the duration of the call, and the user has control over the screen layout. Continuous presence is better suited for team collaboration because it allows sites to see the reactions (body language) of all sites, not just the speaker.

D

delete site
Remove a site from the site list.
dual stream
During a conference, two channels of video streams can be sent or received simultaneously. For example, one channel is used for transmitting video (such as video captured by a camera) and the other channel is used for transmitting a presentation (such as a computer desktop). The two channels of videos can be displayed on two displays.

E

end conference
All sites leave the conference.

F

full-duplex
A full-duplex, or sometimes double-duplex system, allows communication in both directions, and unlike half-duplex, allows this communication to happen simultaneously. Land-line telephone networks are full-duplex, because they allow both callers to speak and be heard at the same time.

G

G.711
Also known as Pulse Code Modulation (PCM), G.711 is a commonly used waveform codec. G.711 uses a sampling rate of 8,000 samples per second, with the tolerance on that rate 50 parts per million (ppm). Non-uniform quantization (logarithmic) with 8 bits is used to represent each sample, resulting in a 64 kbit/s bit rate. There are two slightly different versions; ¦Μ-law, which is used primarily in North America, and A-law, which is in use in most other countries outside North America.
G.722
G.722 is an ITU-T standard 7 kHz wideband speech codec operating at 48, 56 and 64 kbit/s. It was approved by ITU-T in November 1988. Technology of the codec is based on sub-band ADPCM (SB-ADPCM).
give floor
After the chair site gives floor to a site, the other sites view and hear the site. All the sites, except the chair site and the site that is given the floor, are muted.

H

half-duplex
A transmitting mode in which a half-duplex system provides for communication in both directions, but only one direction at a time (not simultaneously). Typically, once a party begins receiving a signal, it must wait for the transmitter to stop transmitting, before replying.
hang up (site)
Hang up a remote site and remove the site from the conference.
HD
Refers to a video system of higher resolution than standard-definition (SD) video, most commonly at display resolutions of 1280x720 (720p) or 1920x1080 (1080i or 1080p, full HD). High definition (HD) refers to an increase in display or visual resolution of television formats (HDTV), high definition video (used in HDTV broadcasting, digital film and computer HD video film formats), high definition multimedia interface (HDMI), an all-digital audio and video interface capable of transmitting uncompressed streams and other formats for recording and transmitting visual and audio communications.
hide video
During a conference, a site can hide its video to prevent other sites from viewing the video of the site.

I

intelligent mode
A video transforming mode, in this mode, cut the video first and then stretch the video. Ensure that the aspect ratio of the video remains unchanged. For example, to change wide-screen video to narrow-screen video, cut the left and right sides of the wide-screen video, and then stretch the video to full screen.

P

presentation
During a conference, your site can share the content input by a computer with remote sites, such as an excel file, a diagram, or a presentation.

R

release chair
Pass the chair control to another site.
request chair
Request chair rights to become the chair site.
request floor
Request to speak. During a conference, users can request the floor from the chair site.

S

SIF
Source Input Format (SIF) defined in MPEG-1, is a video format that was developed to allow the storage and transmission of digital video. 625/50 SIF format (PAL/SECAM) has a resolution of (360 or) 352 x 288 active pixels and a refresh rate of 25 frames per second. 525/59.94 SIF Format (NTSC) has a resolution of (360 or) 352 x 240 active pixels and a refresh rate of 29.97 frames per second.
site group
A group of conference sites. If certain sites attend a conference frequently, users can define these sites as a group to facilitate site management.
start presentation
Start sharing the presentation at your site with remote sites.
stop broadcasting (site)
Stop broadcasting a site to other sites.
stop presentation
Stop sharing the presentation at your site with remote sites.
S-Video
Separate Video[1], more commonly known as S-Video, also called Y/C, and sometimes incorrectly [2] referred to as Super Video[3], is an analog video signal that carries video data as two separate signals: luma (luminance) and chroma (color). This differs from composite video, which carries picture information as a single lower-quality signal, and component video, which carries picture information as three separate higher-quality signals. S-Video carries standard definition video (typically at 480i or 576i resolution), but does not carry audio on the same cable.

V

video
Video is generally output from the HD OUT 1 interface of an HD video endpoint and is captured by a camera.
view site
View any site. On the View Site screen, users can choose between View Single and View in Turn.
voice activation
This function is used for discussion or debate scenarios. The site with the loudest voice is broadcast.
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Updated: 2019-06-25

Document ID: EDOC1100038526

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