Compact IP Codec User's Manual
45
Techno Mathematical Co., Ltd.
2140P
Table 6-3 Encoder – Auto Rate Control Settings
Setting Description
Rate ON/OFF
(Rate control operation starts when encoder and decoder are
both ON.)
Incoming Rate
Measurement Time
Packet loss rate measurement time (1 to 99 seconds)
(The packet loss rate is calculated and controlled within the
interval of this time setting.)
Outgoing Rate Up Time Rate increase time (1 to 99 seconds)
(The transmission rate is raised when the packet loss rate
does not exceed the packet loss rate setting of the table
during this time setting.)
Outgoing Rate Initial
Value
Initial transmission rate
(This is the transmission rate when the rate control
operation is started up.)
Outgoing Rate Max Maximum transmission rate
(This is the maximum transmission rate during the rate
control operation.)
Loss Rate Margin Loss rate margin
(Small(x1.0), Medium(x1.3), Large(x1.6)
The packet loss rate is compared with the value obtained by
multiplying this value with the packet loss rate setting. As
the loss rate margin becomes higher, the more difficult it is
to reduce the transmission rate.
Flatten
Flattening mode. For details, refer to "7.4
Flatten Setting
."
Outgoing Rate Round Trip
Count to Stable State
Number of transmission rate round trips (1 to 99) until
transition to stable state.*
3
Outgoing Rate Up Time of
Stable State
Rate increase time in stable state (1 to 9999 seconds)
Outgoing Rate
Continuously Down Count
to Cancel Stable State
Number of continuous rate reductions (1 to 99) until stable
state is canceled.
Use Loss Rate Type Used packet loss rate (Average, Max)
*3
When there is repeated raising and lowering of the transmission rate using rate control, it is
judged to be the optimal current transmission rate. This state is the stable state, and the rise
frequency of the transmission rate can be set to reduce.
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