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    • 1. 发明申请
    • METHOD AND APPARATUS FOR PROCESSING A SIGNAL
    • 用于处理信号的方法和装置
    • WO2007043844A1
    • 2007-04-19
    • PCT/KR2006/004152
    • 2006-10-13
    • LG ELECTRONICS INC.OH, Hyen OPANG, Hee SukKIM, Dong SooLIM, Jae HyunJUNG, Yang WonKIM, Hyo Jin
    • OH, Hyen OPANG, Hee SukKIM, Dong SooLIM, Jae HyunJUNG, Yang WonKIM, Hyo Jin
    • G10L19/00G10L19/14
    • H04H20/89G10L19/008H04H40/27H04H60/82H04L5/0007H04L5/0044H04L25/023H04L27/2647H04N21/2368H04N21/4341H04N21/64315H04N21/64322H04N21/8106H04N21/8352
    • The present invention relates to a method and apparatus for processing a signal. An object of the present invention devised to solve the problem lies on a method and apparatus for processing a signal, which allows a signal having optimized signal transmission efficiency to be transmitted/received. According to an aspect of the present invention, there is provided a method for processing a signal, the method including receiving a broadcasting signal including audio data coded using a pilot reference value and a pilot difference value, demodulating the broadcasting signal in consideration of a scattered pilot which varies over time and a continual pilot which is fixed over time in a frame of the received broadcasting signal and decoding the demodulated signal to obtain a broadcasting transmission stream, demultiplexing the broadcasting transmission stream to obtain coded audio data in an Internet protocol (IP) packet and audio data coding identification information, decoding data according to a data coding scheme indicated by the audio data coding identification information, wherein the data coding scheme includes at least a pilot coding scheme, the pilot coding scheme decodes the data using the pilot reference value corresponding to a plurality of data and the pilot difference value, and the pilot difference value is generated using the data and the pilot reference value.
    • 本发明涉及用于处理信号的方法和装置。 解决问题的本发明的目的在于一种用于处理信号的方法和装置,其允许发送/接收具有优化的信号传输效率的信号。 根据本发明的一个方面,提供了一种处理信号的方法,该方法包括接收包括使用导频参考值和导频差值编码的音频数据的广播信号,考虑到分散的解调广播信号 随着时间变化的导频和在所接收的广播信号的帧中随时间而固定的连续导频并解码解调信号以获得广播传输流,解复用广播传输流以获得互联网协议(IP)中的编码音频数据 )分组和音频数据编码识别信息,根据由音频数据编码识别信息指示的数据编码方案解码数据,其中数据编码方案至少包括导频编码方案,导频编码方案使用导频参考解码数据 值对应于多个数据和导频差值va lue,并且使用数据和导频参考值生成导频差分值。
    • 6. 发明申请
    • METHOD AND APPARATUS FOR PROCESSING A SIGNAL
    • 用于处理信号的方法和装置
    • WO2007043843A1
    • 2007-04-19
    • PCT/KR2006/004151
    • 2006-10-13
    • LG ELECTRONICS INC.OH, Hyen OPANG, Hee SukKIM, Dong SooLIM, Jae HyunJUNG, Yang WonKIM, Hyo Jin
    • OH, Hyen OPANG, Hee SukKIM, Dong SooLIM, Jae HyunJUNG, Yang WonKIM, Hyo Jin
    • G10L19/00G10L19/14
    • H04H20/89G10L19/008H04H40/27H04H60/82H04L5/0007H04L5/0044H04L25/023H04L27/2647H04N21/2368H04N21/4341H04N21/64315H04N21/64322H04N21/8106H04N21/8352
    • The present invention relates to a method and apparatus for processing a signal. An object of the present invention devised to solve the problem lies on a method and apparatus for processing a signal, which allows a signal having optimized signal transmission efficiency to be transmitted/ received. According to an aspect of the present invention, there is provided a method of processing a signal including receiving a broadcasting signal including audio data coded using a pilot reference value and a pilot difference value, demodulating the broadcasting signal in consideration of a scattered pilot which varies over time and a continual pilot which is fixed over time in a frame of the received broadcasting signal and decoding the demodulated signal to obtain a broadcasting transmission stream, demultiplexing the broadcasting transmission stream to obtain coded audio data in an Internet protocol (IP) packet and an identifier for identifying a method of decoding the audio data, obtaining the pilot reference value corresponding to a plurality of data and the pilot difference value corresponding to the pilot reference value from the coded audio data and obtaining the audio data using the pilot reference value and the pilot difference value.
    • 本发明涉及一种处理信号的方法和装置。 解决问题的本发明的目的在于一种用于处理信号的方法和装置,其允许发送/接收具有优化的信号传输效率的信号。 根据本发明的一个方面,提供一种处理信号的方法,包括接收包括使用导频参考值和导频差值编码的音频数据的广播信号,考虑到变化的散射导频解调广播信号 随着时间的推移,以及在接收的广播信号的帧中随时间而固定的连续导频,并解码解调的信号以获得广播传输流,解复用广播传输流以获得互联网协议(IP)分组中的编码音频数据, 用于识别对音频数据进行解码的方法的标识符,从编码的音频数据获得与多个数据相对应的导频参考值和与导频参考值相对应的导频差值,并使用导频参考值获得音频数据;以及 导频差值。
    • 9. 发明申请
    • APPARATUS FOR ENCODING AND DECODING AUDIO SIGNAL AND METHOD THEREOF
    • 用于编码和解码音频信号的装置及其方法
    • WO2007004828A2
    • 2007-01-11
    • PCT/KR2006/002575
    • 2006-06-30
    • LG ELECTRONICS INC.PANG, Hee SukOH, Hyen OKIM, Dong SooLIM, Jae HyunJUNG, Yang WonYOON, Sung Young
    • PANG, Hee SukOH, Hyen OKIM, Dong SooLIM, Jae HyunJUNG, Yang WonYOON, Sung Young
    • G10L19/00
    • G10L19/008
    • A method and/or apparatus for encoding and/or decoding an audio signal is disclosed, in which a downmix gain is applied to a downmix signal in an encoding apparatus which, in turn, transmits, to a decoding apparatus, a bit stream containing information as to the applied downmix gain. The decoding apparatus recovers the downmix signal, using the downmix gain information. A method and/or apparatus for encoding and/or decoding an audio signal is also disclosed, in which the encoding apparatus can apply an arbitrary downmix gain (ADG) to the downmix signal, and can transmit a bit stream containing information as to the applied ADG to the decoding apparatus. The decoding apparatus recovers the downmix signal, using the ADG information. A method and/or apparatus for encoding and/or decoding an audio signal is also disclosed, in which the method and/or apparatus can also vary the energy level of a specific channel, and can recover the varied energy level .
    • 公开了一种用于编码和/或解码音频信号的方法和/或设备,其中下混合增益被应用于编码设备中的下混合信号,该下混合信号又传输到 解码设备,比特流包含关于所应用的下混合增益的信息。 解码设备使用下混合增益信息来恢复下混合信号。 还公开了一种用于对音频信号进行编码和/或解码的方法和/或设备,其中编码设备可以将下混合信号应用任意下混合增益(ADG),并且可以传输包含关于所应用的信息的比特流 ADG到解码装置。 解码设备使用ADG信息恢复缩混信号。 还公开了一种用于对音频信号进行编码和/或解码的方法和/或装置,其中该方法和/或装置还可以改变特定信道的能级,并且可以恢复变化的能级。