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About Frame Rate
•
When the Video Frame Rate is set to High (H), Mid (M) or Low (L), the value of frame rate will be as follows,
depending on the selected bitrate.
Camera mode, Monitor mode, Teleconference mode
Bitrate (kbps)
54
64
Actual frame rate
H
3
3
(fps)
M
2
2
L
1
1
audio rate (bps)
Display bar color
Blue
ISMA Server mode
Bitrate (kbps)
54
64
Actual frame rate
H
–
–
(fps)
M
–
–
L
–
–
audio rate (bps)
(–: Cannot be set)
Memo
•
When in the Teleconference mode or Monitor mode, set Bitrates for all DM-NC40 units so that they have same
color on the bitrate select bar.
•
When setting a high bit rate, the video may not play back smoothly depending on the input video. However, this
is not a malfunction of the unit. If keeping frame rate is more important than picture quality, lower the bitrate.
When bitrate and frame rate settings are low, interval of video frames becomes long and delay time looks to be
long.
•
When complicated video source is inputted, video delay become ling for while.
•
The audio rate will be as shown below.
When the audio format is AAC-LC
Bitrate
Larger than 512kbps
512kbps or less
Cautions when changing settings
•
To check current communication, refer to "Telnet Settings" on page 53 and execute the "stat" command.
•
Do not change settings during CF recording. Malfunction may occur as a result.
•
Set values in this page are default values. Working ENCODER PARAMETERS can be changed by request from
other units. Working values are displayed in this page during communication, and default values are displayed
during stop. If same settings are used to each units, such confusion can be avoided. Same settings are recom-
mended to avoid problems during automatic recovery after power on.
76
91
108
128
160
192
224
3
6
6
6
6
15
15
2
5
5
5
5
10
10
1
3
3
3
3
6
6
16k
Green
76
91
108
128
160
192
224
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Audio bitrate (kbps)
128 (Max)
96 (Max)
256
288
320
352
384
424
460
15
15
15
15
15
30
30
10
10
10
10
10
15
15
6
6
6
6
6
10
10
32k
Yellow
256
288
320
352
384
424
460
6
6
10
10
15
15
15
5
5
6
6
10
10
10
3
3
5
5
6
6
6
96k
When the audio format is G.726
Bitrate
Larger than 160kbps
160kbps or less
512
640
768
1000 1200 1500 1700 2000
30
30
30
30
30
30
30
15
15
15
15
15
15
15
10
10
10
10
10
10
10
Red
512
640
768
1000 1200 1500 1700 2000
15
30
30
30
30
30
30
10
15
15
15
15
15
15
6
10
10
10
10
10
10
128k
Audio bitrate (kbps)
32 (Constant Bitrate)
16 (Constant Bitrate)
30
15
10
30
15
10
33
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