Call quality, Audio, Video – TANDBERG 990 User Manual
Page 44: Natural video, H.264, Vga resolutions
44
TANDBERG Videoconferencing System
Advanced use
Call quality
The Call Quality menu allows you to select the preferred quality of your call.
D
UE
TO
ACTIONS
OR
LIMITATIONS
AT
THE
FAR
END
YOU
MAY
NOT
ALWAYS
BE
ABLE
TO
ACHIEVE
THE
SELECTIONS
YOU
WANT
.
Audio
Auto
Optimized audio quality depending on bandwidth.
High
High audio quality (G722) regardless of bandwidth.
Normal
Telephone quality (G728) regardless of bandwidth.
Video*
Auto
Will select ‘Motion’ or ‘Sharpness’ depending on selected video source**.
Motion
Optimized for smooth motion video for all video inputs.
Sharpness
Optimized for sharp video for all video inputs.
Natural Video
Choose at what call quality level Interlaced video capabilities(iCIF) will be transmitted and enabled.
Auto
Interlaced video capabilities (iCIF) will be transmitted and enabled.
Off
Interlaced capabilities will not be transmitted. Useful if far end can not handle these capabilities.
H.264
Auto
Optimized video quality depending on what is available.
Off
H.264 video compression and decompression will not be used.
VGA Resolutions
Auto
VGA capabilities (VGA/SVGA/XGA) and SIF capabilities will be transmitted and enabled.
Off
VGA capabilities will not be transmitted. Useful if far end can not handle these capabilities.
SIF
CAPABILITIES
WILL
ENABLE
BETTER
VIDEO
QUALITY
FOR
NTSC
SYSTEMS
(SIF: 352
X
240, ISIF: 352
X
480, 4SIF: 704
X
480).
A
UTO
1-4
CHANNELS
:
G722.1
IS
SELECTED
.
5
OR
MORE
CHANNELS
: G722
IS
SELECTED
.
NOTE
*
- If option ‘Presenter’ is not installed or if H263 is not used, only CIF resolution will be used for all selections.
**
- MainCam/Aux/VCR will select ‘Motion’. DocCam/PC will select ‘Sharpness’.
TIP
TIP