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    • 2. 发明授权
    • Compressing and accessing a microcode ROM
    • 压缩和访问微码ROM
    • US08099587B2
    • 2012-01-17
    • US11186240
    • 2005-07-20
    • Youfeng WuSangwook KimMauricio Breternitz, Jr.Herbert Hum
    • Youfeng WuSangwook KimMauricio Breternitz, Jr.Herbert Hum
    • G06F9/00
    • G06F12/06G06F8/4436G06F9/30178G06F2212/401
    • An arrangement is provided for compressing microcode ROM (“uROM”) in a processor and for efficiently accessing a compressed “uROM”. A clustering-based approach may be used to effectively compress a uROM. The approach groups similar columns of microcode into different clusters and identifies unique patterns within each cluster. Only unique patterns identified in each cluster are stored in a pattern storage. Indices, which help map an address of a microcode word (“uOP”) to be fetched from a uROM to unique patterns required for the uOP, may be stored in an index storage. Typically it takes a longer time to fetch a uOP from a compressed uROM than from an uncompressed uROM. The compressed uROM may be so designed that the process of fetching a uOP (or uOPs) from a compressed uROM may be fully-pipelined to reduce the access latency.
    • 提供了一种用于在处理器中压缩微代码ROM(“uROM”)并有效访问压缩的“uROM”的装置。 可以使用基于聚类的方法来有效地压缩uROM。 该方法将相似的微代码列组合成不同的集群,并识别每个集群内的唯一模式。 每个集群中唯一标识的模式都存储在模式存储中。 帮助将从uROM获取的微代码字(“uOP”)的地址映射到uOP所需的唯一模式的索引可以存储在索引存储器中。 通常,从压缩的uROM获取uop比从未压缩的uROM获取更长的时间。 压缩的uROM可以被设计成使得从压缩的uROM获取uop(或uop)的过程可以被完全流水线化以减少访问等待时间。
    • 3. 发明申请
    • Compressing and accessing a microcode ROM
    • 压缩和访问微码ROM
    • US20070022279A1
    • 2007-01-25
    • US11186240
    • 2005-07-20
    • Youfeng WuSangwook KimMauricio BreternitzHerbert Hum
    • Youfeng WuSangwook KimMauricio BreternitzHerbert Hum
    • G06F9/44
    • G06F12/06G06F8/4436G06F9/30178G06F2212/401
    • An arrangement is provided for compressing microcode ROM (“uROM”) in a processor and for efficiently accessing a compressed “uROM”. A clustering-based approach may be used to effectively compress a uROM. The approach groups similar columns of microcode into different clusters and identifies unique patterns within each cluster. Only unique patterns identified in each cluster are stored in a pattern storage. Indices, which help map an address of a microcode word (“uOP”) to be fetched from a uROM to unique patterns required for the uOP, may be stored in an index storage. Typically it takes a longer time to fetch a uOP from a compressed uROM than from an uncompressed uROM. The compressed uROM may be so designed that the process of fetching a uOP (or uOPs) from a compressed uROM may be fully-pipelined to reduce the access latency.
    • 提供了一种用于在处理器中压缩微代码ROM(“uROM”)并有效访问压缩的“uROM”的装置。 可以使用基于聚类的方法来有效地压缩uROM。 该方法将相似的微代码列组合成不同的集群,并识别每个集群内的唯一模式。 每个集群中唯一标识的模式都存储在模式存储中。 帮助将从uROM获取的微代码字(“uOP”)的地址映射到uOP所需的唯一模式的索引可以存储在索引存储器中。 通常,从压缩的uROM获取uop比从未压缩的uROM获取更长的时间。 压缩的uROM可以被设计成使得从压缩的uROM获取uop(或uop)的过程可以被完全流水线化以减少访问等待时间。
    • 6. 发明授权
    • Scalable audio encoding and decoding apparatus, method, and medium
    • 可扩展音频编解码设备,方法和介质
    • US08069048B2
    • 2011-11-29
    • US11528314
    • 2006-09-28
    • Dohyung KimMiyoung KimShihwa LeeSangwook Kim
    • Dohyung KimMiyoung KimShihwa LeeSangwook Kim
    • G10L19/00
    • G10L19/24
    • Provided is a scalable encoding method, apparatus, and medium. The method includes: encoding a base layer and encoding a first enhancement layer and a second enhancement layer in a frame having the base layer; and generating an encoded frame by synthesizing the encoded results. Accordingly, only if the loss of the encoding frame is not as great as the encoded first enhancement layer is damaged, a case where speech restoration with respect to partial frequency bands must be given up does not occur. Furthermore, since an encoder divides the second enhancement layer into a plurality of layers in a horizontal or vertical direction, considering a distribution pattern of data belonging to the second enhancement layer and first encodes a layer in which lots of data are distributed among the divided layers, loss of audio information can be minimized even if a portion of the encoded second enhancement layer is damaged.
    • 提供了可扩展的编码方法,装置和介质。 该方法包括:在具有基本层的帧中编码基本层并对第一增强层和第二增强层进行编码; 以及通过合成编码结果来生成编码帧。 因此,只有当编码帧的损失不如编码的第一增强层损耗那么大时,不会发生关于部分频带的语音恢复的情况。 此外,由于编码器在水平或垂直方向上将第二增强层划分为多个层,考虑属于第二增强层的数据的分布模式,并且首先编码在划分层之间分布有大量数据的层 即使编码的第二增强层的一部分被损坏,音频信息的丢失也可以被最小化。