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    • 3. 发明授权
    • Apparatus and method for testing web service interoperability
    • 用于测试Web服务互操作性的装置和方法
    • US08423620B2
    • 2013-04-16
    • US12850150
    • 2010-08-04
    • Chang-Sup KeumSang-Ki KimByung-Sun Lee
    • Chang-Sup KeumSang-Ki KimByung-Sun Lee
    • G06F15/16G06F15/173
    • G06F11/3684G06F11/3688
    • An apparatus and method for testing web service interoperability. The apparatus includes a state model generator generating a state model of a composition system expressing an operation of exchanging a message when web services interoperate with each other as a state machine on the basis of content of a simple object access protocol (SOAP) service description language (SSDL) web service specification, a test structure generator generating a web service test structure by including information about an operating environment in which a web service test is carried out in a composition system structure that includes structured information about web services performing a message exchange operation, a test case generator generating a test case including definitions of execution functions for testing whether or not the web services interoperate with each other according to a message exchange operation sequence defined in the SSDL specification, from the state model of the composition system and information about the web service test structure, and a test case executor inputting a value to the test case to cause test target web services to execute the test case and testing whether the web services interoperate with each other according to the message exchange operation sequence defined in the SSDL specification.
    • 一种用于测试Web服务互操作性的设备和方法。 该装置包括状态模型生成器,其基于简单对象访问协议(SOAP)服务描述语言的内容,生成表示当web服务彼此互操作的状态机时交换消息的操作的组合系统的状态模型 (SSDL)web服务规范,测试结构生成器,其通过在包括关于进行消息交换操作的web服务的结构化信息的组合系统结构中包括关于执行web服务测试的操作环境的信息来生成Web服务测试结构 生成测试用例生成测试用例,其包括执行功能的定义,用于根据组合系统的状态模型和关于组合系统的信息,根据SSDL规范中定义的消息交换操作序列来测试Web服务是否互相互操作 Web服务测试结构和测试卡 e执行者向测试用例输入一个值,使测试对象Web服务执行测试用例,并根据SSDL规范中定义的消息交换操作顺序,测试Web服务是否互相互操作。
    • 4. 发明授权
    • Method and apparatus for decoding audio signal
    • 用于解码音频信号的方法和装置
    • US09111535B2
    • 2015-08-18
    • US13011273
    • 2011-01-21
    • Heesik YangMi-Suk LeeHyun-Woo KimJongmo SungHyun-Joo BaeByung-Sun Lee
    • Heesik YangMi-Suk LeeHyun-Woo KimJongmo SungHyun-Joo BaeByung-Sun Lee
    • G10L21/02G10L19/093G10L19/24
    • G10L19/093G10L19/24
    • Provided are a method and an apparatus for decoding an audio signal. A method for decoding an audio signal encoded by a layered sinusoidal pulse coding scheme using one or more sinusoidal pulses includes decoding the encoded audio signal, setting a smoothing frequency band of the decoded audio signal according to a layer structure of the layered sinusoidal pulse coding scheme, dividing the smoothing frequency band into one or more subbands, and smoothing the decoded audio signal on a subband-by-subband basis. Accordingly, a decoding operation time can be reduced and the quality of a synthesized signal can be improved by variably setting a frequency band to be smoothed, when decoding an audio signal encoded by a layered sinusoidal pulse coding scheme using one or more sinusoidal pulses.
    • 提供了一种用于对音频信号进行解码的方法和装置。 一种使用一个或多个正弦脉冲对由分层正弦脉冲编码方案编码的音频信号进行解码的方法包括解码编码音频信号,根据分层正弦脉冲编码方案的层结构设置解码音频信号的平滑频带 将平滑频带划分成一个或多个子带,并且以逐个子带为基础平滑解码的音频信号。 因此,当使用一个或多个正弦脉冲对由分层正弦脉冲编码方案编码的音频信号进行解码时,可以通过可变地设置要平滑的频带来改善解码操作时间并且可以提高合成信号的质量。
    • 6. 发明申请
    • METHOD AND APPARATUS FOR ENCODING AND DECODING AUDIO SIGNAL USING LAYERED SINUSOIDAL PULSE CODING
    • 使用层状SINUSOIDAL脉冲编码来编码和解码音频信号的方法和装置
    • US20120095754A1
    • 2012-04-19
    • US13321297
    • 2010-05-19
    • Mi-Suk LeeHeesik YangHyun-Woo KimJongmo SungHyun-Joo BaeByung-Sun Lee
    • Mi-Suk LeeHeesik YangHyun-Woo KimJongmo SungHyun-Joo BaeByung-Sun Lee
    • G10L19/02
    • G10L19/02G10L19/0212G10L19/24
    • Provided are a method and an apparatus for encoding and decoding an audio signal. A method for encoding an audio signal includes receiving a transformed audio signal, dividing the transformed audio signal into a plurality of subbands, performing a first sinusoidal pulse coding operation on the subbands, determining a performance region of a second sinusoidal pulse coding operation among the subbands on the basis of coding information of the first sinusoidal pulse coding operation, and performing the second sinusoidal pulse coding operation on the determined performance region, wherein the first sinusoidal pulse coding operation is performed variably according to the coding information. Accordingly, it is possible to further improve the quality of a synthesized signal by considering the sinusoidal pulse coding of a lower layer when encoding or decoding an audio signal in an upper layer by a layered sinusoidal pulse coding scheme.
    • 提供了一种用于对音频信号进行编码和解码的方法和装置。 一种对音频信号进行编码的方法包括接收经变换的音频信号,将变换的音频信号分成多个子带,对子带执行第一正弦脉冲编码操作,确定子带中的第二正弦脉冲编码操作的性能区域 基于第一正弦脉冲编码操作的编码信息,并对所确定的执行区域执行第二正弦脉冲编码操作,其中根据编码信息可变地执行第一正弦脉冲编码操作。 因此,通过考虑在通过分层正弦脉冲编码方案对上层中的音频信号进行编码或解码时下层的正弦脉冲编码,可以进一步提高合成信号的质量。
    • 7. 发明授权
    • Method and apparatus for encoding and decoding audio signal using layered sinusoidal pulse coding
    • 使用分层正弦脉冲编码对音频信号进行编码和解码的方法和装置
    • US08805680B2
    • 2014-08-12
    • US13321297
    • 2010-05-19
    • Mi-Suk LeeHeesik YangHyun-Woo KimJongmo SungHyun-Joo BaeByung-Sun Lee
    • Mi-Suk LeeHeesik YangHyun-Woo KimJongmo SungHyun-Joo BaeByung-Sun Lee
    • G10L19/02
    • G10L19/02G10L19/0212G10L19/24
    • Provided are a method and an apparatus for encoding and decoding an audio signal. A method for encoding an audio signal includes receiving a transformed audio signal, dividing the transformed audio signal into a plurality of subbands, performing a first sinusoidal pulse coding operation on the subbands, determining a performance region of a second sinusoidal pulse coding operation among the subbands on the basis of coding information of the first sinusoidal pulse coding operation, and performing the second sinusoidal pulse coding operation on the determined performance region, wherein the first sinusoidal pulse coding operation is performed variably according to the coding information. Accordingly, it is possible to further improve the quality of a synthesized signal by considering the sinusoidal pulse coding of a lower layer when encoding or decoding an audio signal in an upper layer by a layered sinusoidal pulse coding scheme.
    • 提供了一种用于对音频信号进行编码和解码的方法和装置。 一种对音频信号进行编码的方法包括接收经变换的音频信号,将变换的音频信号分成多个子带,对子带执行第一正弦脉冲编码操作,确定子带中的第二正弦脉冲编码操作的性能区域 基于第一正弦脉冲编码操作的编码信息,并对所确定的执行区域执行第二正弦脉冲编码操作,其中根据编码信息可变地执行第一正弦脉冲编码操作。 因此,通过考虑在通过分层正弦脉冲编码方案对上层中的音频信号进行编码或解码时下层的正弦脉冲编码,可以进一步提高合成信号的质量。