Apparatus and method of variable bandwidth multi-codec QoS control
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United States of America Patent
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Aug 17, 2010
Grant Date -
Jun 14, 2007
app pub date -
Dec 6, 2006
filing date -
Dec 8, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method of variable bandwidth multi-codec quality of service (QoS) control are provided. The apparatus for controlling the QoS of a variable bandwidth multi-codec includes: a network state detection unit detecting a network state including at least one of a packet loss ratio, a packet loss interval, and a packet delay time based on an RTP packet transmitted to and received from a destination for which a call connection is established; and a codec control unit updating a transmission rate by comparing the detected resultant value with an already set reference value and increasing or decreasing the transmission rate, and controlling the variable bandwidth multi-codec to code data with the updated transmission rate. According to the apparatus and method, data can be coded with a codec transmission rate suitable for a network state identified during a voice call after the call is set up.
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