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    • 1. 发明申请
    • Apparatus and method for minimizing number of transcodings in multi-network multi-codec environment
    • 用于最小化多网络多编解码器环境中的转码数量的装置和方法
    • US20080081648A1
    • 2008-04-03
    • US11702275
    • 2007-02-05
    • Tae Gyu KangKi Jong KooDae Ho KimDo Young KimHae Won Jung
    • Tae Gyu KangKi Jong KooDae Ho KimDo Young KimHae Won Jung
    • H04B7/00
    • H04M7/0072H04L65/1069H04L65/80
    • Provided is a method and apparatus for minimizing the number of transcodings between network devices in a multi-network multi-codec environment. The method includes: creating a received codec list by receiving a transmit codec comprised in a call setting message from a transmission device and the number of transcodings of the transmit codec, which has been performed from a codec of an initial transmission device; creating a codec Quality of Service (QoS) list containing total codecs of the multi-network and quality information of each of the total codecs; creating a transcodec list containing internally providable transcodecs and quality information of the transcodecs based on the codec QoS list; and creating an updated codec list by adding codecs of the transcodec list matching codecs of the received codec list to the received codec list and adjusting codec priority according to the number of transcodings. Accordingly, since the number of transcodings can be minimized, a quality decrease of original media can be minimized.
    • 提供了一种用于最小化多网络多编解码器环境中的网络设备之间的转码次数的方法和装置。 该方法包括:通过从传输设备接收包括在呼叫设置消息中的传输编解码器和已经从初始传输设备的编解码器执行的传输编解码器的转码次数来创建接收的编解码器列表; 创建包含多网络的总编解码器和每个编解码器的质量信息的编解码器服务质量(QoS)列表; 基于编解码器QoS列表创建包含内容可提供的转录代码和转录代码的质量信息的转录列表; 以及通过将接收到的编解码器列表的编解码器匹配的转码器列表的编解码器添加到接收到的编解码器列表并根据转码数量来调整编解码器优先级来创建更新的编解码器列表。 因此,由于能够最小化转码次数,因此可以使原始媒体的质量下降最小化。
    • 2. 发明授权
    • Apparatus and method of variable bandwidth multi-codec QoS control
    • 可变带宽多编解码器QoS控制的装置和方法
    • US07778177B2
    • 2010-08-17
    • US11634561
    • 2006-12-06
    • Tae Gyu KangDo Young KimHae Won Jung
    • Tae Gyu KangDo Young KimHae Won Jung
    • H04J1/16
    • H04W28/18
    • 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.
    • 提供了一种可变带宽多编解码器服务质量(QoS)控制的装置和方法。 用于控制可变带宽多编解码器的QoS的装置包括:网络状态检测单元,其基于发送的RTP分组检测包括分组丢失率,分组丢失间隔和分组延迟时间中的至少一个的网络状态 从建立呼叫连接的目的地接收和接收; 以及编解码器控制单元,通过将检测到的结果值与已经设定的基准值进行比较,并且增加或减少传输速率来更新传输速率,并且控制可变带宽多编解码器以更新的传输速率对数据进行编码。 根据该装置和方法,可以在呼叫建立之后利用适合于在语音呼叫期间识别的网络状态的编解码传输速率对数据进行编码。
    • 3. 发明申请
    • Apparatus and method of variable bandwidth multi-codec QoS control
    • 可变带宽多编解码器QoS控制的装置和方法
    • US20070133441A1
    • 2007-06-14
    • US11634561
    • 2006-12-06
    • Tae Gyu KangDo Young KimHae Won Jung
    • Tae Gyu KangDo Young KimHae Won Jung
    • H04B1/44
    • H04W28/18
    • 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.
    • 提供了一种可变带宽多编解码器服务质量(QoS)控制的装置和方法。 用于控制可变带宽多编解码器的QoS的装置包括:网络状态检测单元,其基于发送的RTP分组检测包括分组丢失率,分组丢失间隔和分组延迟时间中的至少一个的网络状态 从建立呼叫连接的目的地接收和接收; 以及编解码器控制单元,通过将检测到的结果值与已经设定的参考值进行比较来增加或减少传输速率来更新传输速率,并且控制可变带宽多编解码器以更新的传输速率对数据进行编码。 根据该装置和方法,可以在呼叫建立之后利用适合于在语音呼叫期间识别的网络状态的编解码传输速率对数据进行编码。
    • 4. 发明授权
    • Media-gateway controller and a call set up processing method for non-same codec communication
    • 媒体网关控制器和用于不相同编解码通信的呼叫建立处理方法
    • US07486694B2
    • 2009-02-03
    • US10749597
    • 2003-12-30
    • Tae Gyu KangSeung Han ChoiHyun Joo BaeDo Young Kim
    • Tae Gyu KangSeung Han ChoiHyun Joo BaeDo Young Kim
    • H04J3/22
    • H04L47/10H04L29/06027H04L47/38H04L65/103H04L65/104H04L65/1043H04L65/605
    • A media-gateway controller for call set-up processing when different codecs are used and a method therefor are provided. A storage unit stores a codec conversion table indicating a relationship between a first codec and a second codec in conversion from the first codec to the second codec. A receiver receives first call setting data including codec data of a caller from the caller and receives first call response data including codec data of a callee from the callee as a response to second call setting data having been transmitted to the callee. A data transformer searches the codec conversion table for a first codec using the caller's codec data as an index and adds a second codec corresponding to the searched first codec to the first call setting data to generate the second call setting data. In addition, the data transformer searches the codec conversion table for a second codec using the callee's codec data as an index and replaces the callee's codec data included in the first call response data with a first codec corresponding to the searched second codec to generate a second call response data. A transmitter transmits the second call setting data to the callee and transmits the second call response data to the caller.
    • 一种用于当使用不同编解码器时进行呼叫建立处理的媒体网关控制器及其方法。 存储单元存储指示从第一编解码器到第二编解码器的转换中的第一编解码器和第二编解码器之间的关系的编解码转换表。 接收机从呼叫者接收包括呼叫者的编解码器数据的第一呼叫设置数据,并且从被呼叫者接收包括被叫者的编解码器数据的第一呼叫响应数据作为已被发送到被叫者的第二呼叫设置数据的响应。 数据变压器使用呼叫者的编解码数据作为索引来搜索编解码转换表中的第一编解码器,并将与搜索到的第一编解码器相对应的第二编解码器添加到第一呼叫设置数据,以产生第二呼叫设置数据。 此外,数据变压器使用被叫者的编解码器数据作为索引来搜索编解码转换表中的第二编解码器,并用与所搜索的第二编解码器对应的第一编解码器替换包括在第一呼叫响应数据中的被叫者的编解码数据,以产生第二编解码器 呼叫响应数据。 发射机将第二呼叫设置数据发送到被叫者,并将第二呼叫响应数据发送给呼叫者。
    • 6. 发明授权
    • Method of processing information charge discount rates for service
subscribers in premium-rate service
    • 处理优质服务的服务用户信息收费折扣率的方法
    • US5793852A
    • 1998-08-11
    • US571146
    • 1995-12-12
    • Tae Gyu KangHyun Joo BaeKyong Ok Yun
    • Tae Gyu KangHyun Joo BaeKyong Ok Yun
    • H04L12/14H04M15/00H04M7/00
    • G06Q30/04H04L12/14H04L12/1439H04L12/1446H04L12/1496H04M15/00H04M15/8083H04M2215/0184
    • A method of processing information charge discount rates for service subscribers in a premium-rate service. Information charge discount rate data for each service subscriber is registered and a service subscriber number and a calling number are received from Service Switching Point. The received service subscriber number is designated as an index value of a main table in a service subscriber database and the main table is then retrieved to check whether data corresponding to the designated index value are present in the main table. If the data corresponding to the designated index value are present, a service feature classification data field in the main table is retrieved to check whether the service subscriber has subscribed to a flexible charging-by-day/time service. If the service subscriber has subscribed, data are read from a day/time classification data field in the main table, and a specific data information charge discount rate, a specific day information charge discount rate, a specific time information charge discount rate and a holiday information charge discount rate are calculated according to the read data. The calculated information charge discount rates are transmitted together with an information charge class and a called number to a service switching point.
    • 一种处理高速率服务中服务用户信息收费折扣率的方法。 注册每个服务用户的信息收费折扣率数据,并从服务交换点接收服务用户号码和主叫号码。 接收到的服务用户号码被指定为服务用户数据库中的主表的索引值,然后检索主表以检查对应于指定索引值的数据是否存在于主表中。 如果存在与指定的索引值相对应的数据,则检索主表中的服务特征分类数据字段,以检查服务订户是否订购灵活的逐日/时间服务。 如果服务订户已订阅,则从主表中的日/时分类数据字段读取数据,以及特定数据信息收费折扣率,特定日信息费用折扣率,特定时间信息费用折扣率和假日 信息收费折扣率根据读取的数据计算。 所计算的信息收费折扣率与信息费用类别和被叫号码一起发送到服务交换点。