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    • 2. 发明授权
    • Editing system, editing controlling apparatus, and editing controlling method
    • 编辑系统,编辑控制装置和编辑控制方法
    • US07920634B2
    • 2011-04-05
    • US11334168
    • 2006-01-18
    • Hiromi YoshinariYoshihiro Murakami
    • Hiromi YoshinariYoshihiro Murakami
    • H04L27/00G11B27/00H04N5/04
    • H04N21/23424G11B27/031G11B27/036G11B2220/41H04N21/44016
    • A splicer/transcoder device that interfaces with a material archiver/server using a stream. The splicer/transcoder device interfaces with an editor and switcher using a base band signal. In a predetermined region including at least an edit point, a transcoding process is performed. In an input stream, two programs to be edited have been multiplexed. The editor and switcher receives base band signals Sa and Sb of which respective programs have been encoded. As with a conventional editing device, the editor and switcher edits the base band signals and returns the edited result as a base band signal Sc to the splicer/transcoder device. The splicer/transcoder device re-encodes the base band signal Sc into an output stream using codec information obtained in the decoding process.
    • 使用流与材料归档器/服务器连接的拼接/代码转换器设备。 拼接器/代码转换器设备使用基带信号与编辑器和切换器连接。 在包括至少编辑点的预定区域中,执行代码转换处理。 在输入流中,要编辑的两个程序已被复用。 编辑器和切换器接收各个节目已被编码的基带信号Sa和Sb。 与常规编辑装置一样,编辑器和切换器编辑基带信号,并将编辑结果作为基带信号Sc返回到拼接器/代码转换器装置。 拼接器/代码转换器装置使用在解码处理中获得的编解码信息将基带信号Sc重新编码为输出流。
    • 3. 发明授权
    • Edit system, edit control device, and edit control method
    • 编辑系统,编辑控制设备和编辑控制方式
    • US07305040B1
    • 2007-12-04
    • US09381190
    • 1999-01-19
    • Hiromi YoshinariYoshihiro Murakami
    • Hiromi YoshinariYoshihiro Murakami
    • H04L27/00
    • H04N21/23424G11B27/031G11B27/036G11B2220/41H04N21/44016
    • A splicer/transcoder 21 interfaces with a material archiver/server using a stream. The splicer/transcoder 21 interfaces with an editor and switcher 22 using a base band signal. In a predetermined region including at least an edit point, a transcoding process is performed. In an input stream, two programs to be edited have been multiplexed. The editor and switcher 22 receives base band signals Sa and Sb of which respective programs have been encoded. As with a conventional editing device, the editor and switcher 22 edits the base band signals and returns the edited result as a base band signal Sc to the splicer/transcoder 21. The splicer/transcoder 21 re-encodes the base band signal Sc into an output stream using codec information obtained in the decoding process.
    • 拼接器/代码转换器21使用流与物料归档器/服务器进行连接。 拼接器/代码转换器21使用基带信号与编辑器和切换器22相连接。 在包括至少编辑点的预定区域中,执行代码转换处理。 在输入流中,要编辑的两个程序已被复用。 编辑器和切换器22接收各个节目已被编码的基带信号Sa和Sb。 与常规编辑装置一样,编辑器和切换器22编辑基带信号并将编辑结果作为基带信号Sc返回到拼接器/代码转换器21。 拼接器/代码转换器21使用在解码处理中获得的编解码信息将基带信号Sc重新编码为输出流。
    • 4. 发明申请
    • Editing system, editing controlling apparatus, and editing controlling method
    • 编辑系统,编辑控制装置和编辑控制方法
    • US20060120466A1
    • 2006-06-08
    • US11334168
    • 2006-01-18
    • Hiromi YoshinariYoshihiro Murakami
    • Hiromi YoshinariYoshihiro Murakami
    • H04L27/00
    • H04N21/23424G11B27/031G11B27/036G11B2220/41H04N21/44016
    • A splicer/transcoder 21 interfaces with a material archiver/server using a stream. The splicer/transcoder 21 interfaces with an editor and switcher 22 using a base band signal. In a predetermined region including at least an edit point, a transcoding process is performed. In an input stream, two programs to be edited have been multiplexed. The editor and switcher 22 receives base band signals Sa and Sb of which respective programs have been encoded. As with a conventional editing device, the editor and switcher 22 edits the base band signals and returns the edited result as a base band signal Sc to the splicer/transcoder 21. The splicer/transcoder 21 re-encodes the base band signal Sc into an output stream using codec information obtained in the decoding process.
    • 拼接器/代码转换器21使用流与物料归档器/服务器进行连接。 拼接器/代码转换器21使用基带信号与编辑器和切换器22相连接。 在包括至少编辑点的预定区域中,执行代码转换处理。 在输入流中,要编辑的两个程序已被复用。 编辑器和切换器22接收各个节目已被编码的基带信号Sa和Sb。 与常规编辑装置一样,编辑器和切换器22编辑基带信号并将编辑结果作为基带信号Sc返回到拼接器/代码转换器21。 拼接器/代码转换器21使用在解码处理中获得的编解码信息将基带信号Sc重新编码为输出流。
    • 5. 发明授权
    • Efficient encoding/decoding apparatus
    • 高效编码/解码装置
    • US5604494A
    • 1997-02-18
    • US428255
    • 1995-05-02
    • Yoshihiro MurakamiAtsuo YadaHiromi YoshinariHaruo TogashiSatoshi MiyazawaTakuya Kitamura
    • Yoshihiro MurakamiAtsuo YadaHiromi YoshinariHaruo TogashiSatoshi MiyazawaTakuya Kitamura
    • H04N7/26H04N7/30H03M7/00
    • H04N19/40H04N19/45H04N19/60
    • An efficient encoding/decoding apparatus of this invention comprises orthogonal transform element (10) for orthogonally transforming a digital signal obtained by allowing an analog signal to undergo analog/digital conversion, quantizer (11) for quantizing the digital signal which has undergone orthogonal transform processing, inverse quantizer (21) for inverse-quantizing a digital signal which is not yet caused to undergo inverse orthogonal transform processing, and inverse orthogonal transform element (20) for inverse-orthogonally transforming the orthogonally transformed digital signal, wherein rounding in even number direction or rounding in odd number direction is used in at least one of the orthogonal transform processing and the inverse orthogonal transform processing. Thus, accumulation of rounding errors at the time of, e.g., such a direct digital dubbing to repeatedly encode/decode digital signals such as video signals, etc. is prevented, thus making it possible to reduce picture deterioration of multi-generation characteristic.
    • PCT No.PCT / JP94 / 01546 Sec。 371日期:1995年5月2日 102(e)日期1995年5月2日PCT 1994年9月20日PCT PCT。 第WO95 / 09487号公报 日期1995年4月6日本发明的高效编码/解码装置包括正交变换元件(10),用于对通过允许模拟信号进行模拟/数字转换而获得的数字信号进行正交变换,用于量化数字信号的量化器(11) 经过正交变换处理的逆量化器(21),用于逆量化未进行逆正交变换处理的数字信号的逆量化器(21)和用于对正交变换的数字信号进行逆正交变换的逆正交变换元件(20),其中 在正交变换处理和逆正交变换处理中的至少一个中使用偶数方向四舍五入或奇数方向四舍五入。 因此,防止在例如这种直接数字转录时对诸如视频信号等的数字信号进行重复编码/解码时的舍入误差的积累,从而可以减少多代特性的图像劣化。
    • 8. 发明授权
    • System method and apparatus for seamlessly splicing data
    • 用于无缝拼接数据的系统方法和装置
    • US07711051B2
    • 2010-05-04
    • US11586245
    • 2006-10-25
    • Hiromi Yoshinari
    • Hiromi Yoshinari
    • H04B1/66H04N7/12
    • H04N21/23424G11B27/034G11B27/036G11B2220/2562H04N7/52H04N19/114H04N19/124H04N19/142H04N19/146H04N19/149H04N19/15H04N19/159H04N19/172H04N19/177H04N19/40H04N19/50H04N19/513H04N19/52H04N19/577H04N19/61H04N21/23406H04N21/2343H04N21/44004H04N21/44016H04N21/440254
    • A plurality of bit streams are seamlessly spliced. Separate decoders decode each bit stream. A controller selects the decoded pictures according to a re-encoding range in the vicinity of a splicing point of the bit streams. Pictures presenting a reordering of the streams are excluded in the selection of the decoded pictures. An encoder re-encodes the pictures within the re-encoding range. When it is determined that crossover motion compensation exists between pictures of different streams, the controller changes the motion prediction direction of the problematic picture. The controller changes a motion prediction picture type of a picture which is improperly motion predicted with reference to another stream. A quantization characteristic or motion vectors for the new picture type are generated by the controller. The controller effects the encoding in accordance with a target amount of bits to prevent a breakdown of a buffer and a discontinuation of an amount of data occupancy thereof. A multiplexer multiplexes the original streams with the re-encoded stream to produce a seamless bit stream.
    • 多个比特流被无缝拼接。 单独的解码器解码每个位流。 控制器根据比特流的拼接点附近的重新编码范围来选择解码图像。 在解码图像的选择中排除呈现流的重新排序的图像。 编码器对重新编码范围内的图像进行重新编码。 当确定在不同流的图像之间存在交叉运动补偿时,控制器改变有问题的图像的运动预测方向。 控制器改变参考另一个流不正确地运动预测的图像的运动预测图像类型。 用于新图像类型的量化特征或运动矢量由控制器产生。 控制器根据目标位数来实现编码,以防止缓冲器的破坏和其数据占用量的中断。 复用器将原始流与重新编码的流复用以产生无缝位流。