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    • 2. 发明公开
    • 방송 수신기 및 방송신호 처리방법
    • 广播接收机和处理广播信号的方法
    • KR1020090004665A
    • 2009-01-12
    • KR1020080063685
    • 2008-07-01
    • 엘지전자 주식회사
    • 오현오최인환곽국연이형곤송원규김진우김병길
    • H04N7/015H04N7/12
    • H04L1/0041H03M13/09H03M13/15H03M13/1515H03M13/2707H03M13/271H03M13/2792H03M13/293H03M13/2936H03M13/2966H03M13/356H03M13/4146H03M13/6356H03M13/6561H04H40/18H04H60/11H04L1/0045H04L12/189
    • A broadcasting receiver and a broadcasting signal processing method are provided to perform additional coding for mobile service data and be strong against an error. A receiver receives a broadcasting signal including mobile service data and main service data. The mobile service data configures an RS frame. The RS frame comprises at least one data packet for the mobile service data, an RS parity generated based on the at least one data packet, and a CRC checksum generated based on the at least one data packet and the RS parity. An RS frame decoder corrects an error generated in mobile service data by performing CRC decoding and RS decoding with respect to the RS frame. A decoder(7350) extracts audio data from an audio stream included in the mobile service data. The decoder decodes the audio data based on area division information and Huffman table information included in the audio data. The decoder restores an audio signal by de-quantizing the decoded audio data.
    • 提供广播接收机和广播信号处理方法,以对移动业务数据执行附加编码,并针对错误强。 接收机接收包括移动业务数据和主业务数据的广播信号。 移动业务数据配置RS帧。 RS帧包括用于移动业务数据的至少一个数据分组,基于至少一个数据分组生成的RS奇偶校验和基于至少一个数据分组和RS奇偶校验生成的CRC校验和。 RS帧解码器通过对RS帧执行CRC解码和RS解码来校正移动业务数据中产生的错误。 解码器(7350)从包括在移动业务数据中的音频流中提取音频数据。 解码器根据包括在音频数据中的区域划分信息和霍夫曼表信息对音频数据进行解码。 解码器通过对解码的音频数据进行解量化来恢复音频信号。
    • 5. 发明公开
    • 감소된 정규화 복잡성을 가진 SOVA 터보 디코더
    • 具有正常化复杂度的SOVA涡轮解码器降低
    • KR1020010051094A
    • 2001-06-25
    • KR1020000061230
    • 2000-10-18
    • 소니 인터내셔널유로파 게엠베하
    • 스티어링-갈라쳐리차드
    • H03M13/41
    • H03M13/658H03M13/2957H03M13/4146
    • PURPOSE: A sova turbo decoder having normalization complexity lowered is provided to decrease the normalisation complexity for SOVA turbo decoders by using a normalisation unit. CONSTITUTION: The bit stream to be decoded is at first serially/parallel converted in a serial/parallel conversion unit(24). The output of the serial/parallel conversion unit(24) is supplied to a first decoding unit(25), to the output of the first decoding unit(25), to the input of a second decoding unit(30) as well as to the input of an interleaver(29). From the output of the first decoding unit(25) an output from a deinterleaver(26) as well as the input of the first decoding unit(25) are subtracted. The thus processed output of the first decoding unit(25) is then normalised by means of a normalisation unit(27) such that the processed output of the first decoding unit(25) is multiplied with a normalisation factor which is variable during the operation of the turbo decoder(34). The normalised output is supplied to an interleaver(28). The output of the interleaver(28) is supplied to the input of the second decoding unit(30) along with the output of the interleaver(29) and the serial/parallel converted data. From the output of the second decoding unit(30) the output of the first and second interleaver(28,29), respectively, is subtracted. The thus processed output of the decoding unit(30) is then fed back to a deinterleaver(26) and furthermore to the input and output side of the first decoding unit(25) as described above.
    • 目的:提供降低归一化复杂度的sova turbo解码器,以通过使用归一化单元来降低SOVA turbo解码器的归一化复杂度。 构成:串行/并行转换单元(24)首先串行/并行转换待解码的比特流。 串行/并行转换单元(24)的输出被提供给第一解码单元(25)到第一解码单元(25)的输出到第二解码单元(30)的输入,以及 交织器(29)的输入。 从第一解码单元(25)的输出,减去解交织器(26)的输出以及第一解码单元(25)的输入。 然后,通过归一化单元(27)对第一解码单元(25)的处理后的输出进行归一化,使得第一解码单元(25)的处理输出与在运算期间可变的归一化因子相乘 turbo解码器(34)。 归一化输出被提供给交织器(28)。 交织器(28)的输出与交织器(29)的输出和串行/并行转换的数据一起被提供给第二解码单元(30)的输入。 从第二解码单元(30)的输出,分别减去第一和第二交织器(28,29)的输出。 如上所述,解码单元(30)的这样处理的输出然后被反馈到解交织器(26),并且还被馈送到第一解码单元(25)的输入和输出侧。