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    • 3. 发明授权
    • Music replay circuit
    • 音乐回放电路
    • US07932456B2
    • 2011-04-26
    • US12240602
    • 2008-09-29
    • Kazuhiko Kondo
    • Kazuhiko Kondo
    • G10H7/00
    • G11B20/10009G10L21/038G11B20/10046G11B20/10481G11B20/10527G11B2020/00028G11B2020/00057
    • A music replay circuit is provided which includes a header analyzing unit which analyzes a header included in each of a plurality of frames in a data stream which are compressed music data and extracts bitrate information included in the header, a decoder which decodes the data stream analyzed by the header analyzing unit, a high-frequency correction unit which generates data in which high-frequency music data is interpolated, for music data decoded by the decoder, and a process setting unit which controls the process applied by the high-frequency correction unit based on the bitrate information extracted by the header analyzing unit, wherein the process setting unit control the process by the high-frequency correction unit according to the bitrate information extracted for each frame.
    • 提供了一种音乐重播电路,其包括头部分析单元,该头部分析单元分析包括在压缩音乐数据的数据流中的多个帧中的每一帧中的头部,并提取包括在头部中的比特率信息;解码器,对分析的数据流进行解码 通过标题分析单元,生成用于对由解码器解码的音乐数据进行内插的高频音乐数据的数据的高频校正单元,以及控制由高频校正单元施加的处理的处理设置单元 基于由标题分析单元提取的比特率信息,其中处理设置单元根据针对每个帧提取的比特率信息来控制高频校正单元的处理。
    • 9. 发明授权
    • Data player and data play method
    • 数据播放器和数据播放方式
    • US08073089B2
    • 2011-12-06
    • US12047375
    • 2008-03-13
    • Kazuhiko Kondo
    • Kazuhiko Kondo
    • H04L7/02
    • H04L7/042
    • A synchronous pattern detection section checks coincidence between a predetermined reference synchronous pattern and a bit pattern included in a data stream. Each time a bit pattern which coincides with the reference synchronous pattern is detected, the synchronous pattern detection section extracts a frame length of a data frame corresponding to the bit pattern which is detected, and stores the extracted frame length in a storage section. Each time a bit pattern which coincides with the reference synchronous pattern is detected in the synchronous pattern detection section, a synchronization determination section determines whether or not the bit pattern detected by the synchronous pattern detection section is a correct synchronous pattern, based on a plurality of frame lengths stored in the storage section and a bit length of a data stream which is obtained after detection of the bit pattern. With this structure, a synchronous pattern included in the data stream can be detected with higher precision.
    • 同步模式检测部分检查预定参考同步模式和包括在数据流中的位模式之间的一致性。 每次检测到与参考同步模式一致的位模式时,同步模式检测部分提取与检测到的位模式相对应的数据帧的帧长度,并将所提取的帧长度存储在存储部分中。 每当同步模式检测部分检测到与参考同步模式一致的位模式时,同步确定部分基于多个模式检测部分确定由同步模式检测部件检测到的位模式是否是正确的同步模式 存储在存储部分中的帧长度和在检测到位模式之后获得的数据流的位长度。 利用这种结构,可以更高精度地检测包括在数据流中的同步模式。