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公开(公告)号：US07295763B1
公开(公告)日：2007-11-13
申请号：US09830900
申请日：1999-11-12
申请人： Jeffrey Allen Cooper , Thomas Edward Horlander , Michael Dillon Rich , Mark Alan Schultz , Timothy Forrest Settle
发明人： Jeffrey Allen Cooper , Thomas Edward Horlander , Michael Dillon Rich , Mark Alan Schultz , Timothy Forrest Settle
IPC分类号： H04N5/91
CPC分类号： H04N5/85 , G11B20/1217 , G11B27/034 , G11B2020/10537 , G11B2020/1232 , G11B2220/215 , G11B2220/2562 , G11B2220/2579 , H04N9/8042 , H04N9/8205
摘要： A data storage element comprising a substrate and a data track disposed on the substrate, the data track comprising a plurality of data sectors, each of the data sectors being formatted in accordance with a first digital data standard and comprised of a control data portion and a payload data portion, each of the payload portions including a plurality of data packets formatted in accordance with a digital television standard. In particular, the data packs correspond to program stream packs specified in the DVD standard and the data packets correspond to transport packets specified in the ATSC standard. The present storage element enables the data stored thereon to be read by a conventional DVD front end and provided to an ATSC receiver without processing the contents of the transport packets. Therefore, the present invention allows ATSC data to be stored on a DVD disc and to be provided in a manner that can fully realize the display capabilities of the ATSC receiver. The present invention is particularly advantageous in HDTV applications.
摘要翻译： 一种数据存储元件，包括衬底和设置在衬底上的数据轨道，数据轨道包括多个数据扇区，每个数据扇区根据第一数字数据标准被格式化，并且包括控制数据部分和 有效载荷数据部分，每个有效负载部分包括根据数字电视标准格式化的多个数据分组。 特别地，数据包对应于在DVD标准中指定的节目流包，并且数据包对应于在ATSC标准中指定的传输包。 本存储元件使得存储在其上的数据能够被传统的DVD前端读取并提供给ATSC接收机，而不处理传输分组的内容。 因此，本发明允许将ATSC数据存储在DVD盘上并以能够完全实现ATSC接收机的显示能力的方式提供。 本发明在HDTV应用中特别有利。
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公开(公告)号：US07274653B1
公开(公告)日：2007-09-25
申请号：US10130589
申请日：2000-11-22
IPC分类号： H04J11/00
CPC分类号： H04L25/062 , H04L27/3488 , H04L27/38
摘要： A hierarchical QAM system allows the transmission of different sources by embedding the relative constellation points. A QAM transmitting system, includes a source of a level 1 and a level 2 data stream, each data stream carrying successive symbols. A hierarchical QAM transmitter, coupled to the level 1 and level 2 data stream source, generates a hierarchical QAM signal in which a level 1 symbol is represented by a data point in one of four quadrants in the I-Q plane, and a level 2 symbol is represented by the data point in one of four sub-quadrants surrounding a center point of the quadrant containing the level 1 data point. The level 2 data point is spaced away from the center point by a grouping factor set to more closely match the bit error rate performance of the level 1 and level 2 data streams.
摘要翻译： 分层QAM系统允许通过嵌入相对星座点来传输不同的源。 QAM发送系统包括1级和2级数据流的源，每个数据流承载连续符号。 耦合到1级和2级数据流源的分级QAM发射机产生分级QAM信号，其中1级符号由IQ平面中的四个象限之一的数据点表示，2级符号为 由围绕包含1级数据点的象限的中心点的四个子象限之一的数据点表示。 2级数据点与中心点间隔一个分组因子，以更加紧密地匹配1级和2级数据流的误码率性能。
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3.发明授权公开(公告)号：US07073116B1
公开(公告)日：2006-07-04
申请号：US10148155
申请日：2000-11-22
IPC分类号： H03M13/03
CPC分类号： H03M13/25 , H04L27/3488
摘要： The power of the respective codes used by the first and second error detection/correction circuitry are such that the coded bit error rate of the first data stream is more closely matched to the coded bit error rate of the second data stream. A hierarchical QAM system allows the transmission of different sources by embedding the relative constellation points. The hierarchical QAM transmitter encodes the first data stream using a code having a first detection/correction power and encodes the second data stream using a code having a second detection/correction power.
摘要翻译： 由第一和第二错误检测/校正电路使用的各个代码的功率使得第一数据流的编码误码率与第二数据流的编码误码率更紧密地匹配。 分层QAM系统允许通过嵌入相对星座点来传输不同的源。 分层QAM发射机使用具有第一检测/校正功率的码对第一数据流进行编码，并且使用具有第二检测/校正功率的码对第二数据流进行编码。
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公开(公告)号：US06233253B1
公开(公告)日：2001-05-15
申请号：US08862910
申请日：1997-05-23
IPC分类号： H04J324
CPC分类号： H04N21/4347 , H04N21/2365
摘要： A Conversion system merges and converts data in a plurality of different data formats from a plurality of different sources, to a selected output data format for transmission on a selected transmission channel. A method for digital data format conversion involves de-packetizing an input packetized datastream. A timing recovery parameter is formed in response to a desired output data format. The depacketized data is re-packetized in response to the desired output data format and the timing recovery parameter is incorporated in the re-packetized data. The re-packetized data is multiplexed in response to the selected format and provided to an output channel.
摘要翻译： A转换系统将来自多个不同数据源的多种不同数据格式的数据合并并转换成选定的输出数据格式，以便在选定的传输通道上传输。 一种用于数字数据格式转换的方法涉及对输入的分组数据流进行解包。 响应于期望的输出数据格式形成定时恢复参数。 解包数据被响应于期望的输出数据格式被重新分组，并且定时恢复参数并入重分组数据中。 重新分组的数据被响应于所选择的格式复用并提供给输出信道。
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公开(公告)号：US07149259B1
公开(公告)日：2006-12-12
申请号：US10148224
申请日：2000-11-22
IPC分类号： H03D1/24
CPC分类号： H04L27/3488 , H04L27/38
摘要： A OAM receiver includes a source of a received hierarchical OAM signal. The hierarchical OAM signal represents successive data points in the I-Q plane, each data point being in one of four quadrants. Circuitry, coupled to the hierarchical OAM signal source, calculates the location in the I-Q plane of the center-of-gravity of successive received data points in a quadrant. A level 1 decoder is responsive to a received data point and detects the quadrant in the I-Q plane of a received data point. Further circuitry, coupled to the hierarchical OAM signal source and responsive to the calculating circuitry, translates the received data point in the I-Q plane such that the center-of-gravity of the detected quadrant is translated to the origin of the I-Q plane. A level 2 decoder is then responsive to the translated data point for detecting the quadrant of the translated data point.
摘要翻译： OAM接收机包括接收到的分层OAM信号的源。 分层OAM信号表示I-Q平面中的连续数据点，每个数据点在四个象限之一中。 耦合到分层OAM信号源的电路计算I-Q平面中位于象限中的连续接收数据点的重心的位置。 级1解码器响应于接收到的数据点并检测接收数据点的I-Q平面中的象限。 耦合到分级OAM信号源并且响应于计算电路的进一步的电路将接收到的数据点转换成I-Q平面，使得检测到的象限的重心被转换为I-Q平面的原点。 然后，级2解码器响应于翻译的数据点来检测翻译的数据点的象限。
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公开(公告)号：US07079585B1
公开(公告)日：2006-07-18
申请号：US10148223
申请日：2000-11-22
CPC分类号： H04L27/3433 , H04L1/0048
摘要： A hierarchical QAM system allows the transmission of different sources by embedding the relative constellation points. At the transmitter the constellations generated by the different sources are remapped by a grey coder and then combined. At the receiver, the different source data are decoded by using a corresponding grey code demapper.
摘要翻译： 分层QAM系统允许通过嵌入相对星座点来传输不同的源。 在发射机处，由不同源产生的星座由灰度编码器重新映射，然后组合。 在接收机处，不同的源数据通过使用相应的灰度代码解映射器进行解码。
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