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    • 1. 发明授权
    • Y/C separator using 3-D, 2-D and 1-D filters
    • Y / C分离器使用3-D,2-D和1-D滤光片
    • US5473389A
    • 1995-12-05
    • US148350
    • 1993-11-08
    • Toru EtoTadao Fujita
    • Toru EtoTadao Fujita
    • H04N9/78
    • H04N9/78
    • A Y/C separating filter apparatus for outputting a carrier chrominance signal and a luminance signal from a color video signal supplied thereto comprises first and second three-dimensional filters for subtracting the color video signal and signals of one or two- frame period-advanced or delayed signals from each other to obtain first and second carrier chrominance signals, a selector circuit for selecting the first and second carrier chrominance signals and an average third carrier chrominance signal to obtain the carrier chrominance signal, and a judging circuit for judging first and second correlations between the color video signal and first or second frame period-advanced or delayed signals, wherein the selector circuit is selected in response to a judged result of the judging circuit, the selector circuit selects the first carrier chrominance signal when the first correlation is higher than the second correlation, the selector circuit selects the second carrier chrominance signal when the second correlation is higher than the first correlation, and the selector circuit selects the third carrier chrominance signal when the first and second correlations are substantially equal to each other.
    • 用于从提供的彩色视频信号输出载波色度信号和亮度信号的AY / C分离滤波装置包括用于减去彩色视频信号的第一和第二三维滤波器以及一帧或两帧周期提前或延迟的信号 信号,以获得第一和第二载波色度信号;选择电路,用于选择第一和第二载波色度信号;以及平均第三载波色度信号以获得载波色度信号,以及判断电路,用于判断第一和第二载波色度信号之间的第一和第二相关 所述彩色视频信号和第一或第二帧周期提前或延迟信号,其中响应于所述判断电路的判定结果选择所述选择器电路,所述选择器电路在所述第一相关高于所述第一相关度时选择所述第一载波色度信号 第二相关,选择器电路选择第二载波色度信号 当第二相关高于第一相关时,并且当第一和第二相关基本上彼此相等时,选择器电路选择第三载波色度信号。
    • 3. 发明授权
    • Image encoder and image decoder
    • 图像编码器和图像解码器
    • US06256449B1
    • 2001-07-03
    • US09024758
    • 1998-02-17
    • Toru Eto
    • Toru Eto
    • H04N979
    • H04N21/4342H04N5/9205H04N9/8042H04N9/8047H04N9/8227H04N11/044H04N19/30H04N21/23602
    • In an image encoder and an image decoder of an image transmission system, enabling the deterioration of decoded images in image quality to be avoided, the color frame information DCF in separating a predetermined video signal into a luminance component and a color component (chroma component) is extracted prior to the compressive encoding processing of a video signal SSDI1, added after the compressive encoding processing and delivered to transmission means 18A, and moreover the color frame information is extracted prior to the decoding processing of the compressed video signal SSDDI1 obtained from the transmission means 18A and is added after the decoding processing, thereby enabling data on color frame information DCF to be added to the decoded video signal SSDI1 after the decoding processing as they remain invariant free from deformation (loss) and delivered to the transmission means. Thus, a playback video signal (composite video signal) SOUTA can be obtained using the color frame information in the decoded video signal SSDI1 and therefore the deterioration of playback images can be prevented.
    • 在图像传输系统的图像编码器和图像解码器中,能够避免图像质量中解码图像的劣化,将预定视频信号分离为亮度分量和色彩分量(色度分量)的彩色帧信息DCF, 在压缩编码处理之后添加的视频信号SSDI1的压缩编码处理之前被提取并传送到发送装置18A,此外,在从传输获得的压缩视频信号SSDDI1的解码处理之前提取彩色帧信息 并且在解码处理之后添加,从而使得能够在解码处理之后将关于色彩帧信息DCF的数据添加到解码视频信号SSDI1,因为它们保持不变,从而没有变形(损失)并被传送到传输装置。 因此,可以使用解码视频信号SSDI1中的彩色帧信息来获得重放视频信号(复合视频信号)SOUTA,因此可以防止重放图像的劣化。
    • 7. 发明授权
    • Recording and/or reproducing apparatus for detecting and displaying audio signal levels of input and output and ports
    • 用于检测和显示输入和输出和端口的音频信号电平的记录和/或再现装置
    • US07031594B2
    • 2006-04-18
    • US10681082
    • 2003-10-08
    • Shinichi MorishimaMakoto TabuchiMasakazu MurataKazuo KamiyamaToru EtoJunichi Onodera
    • Shinichi MorishimaMakoto TabuchiMasakazu MurataKazuo KamiyamaToru EtoJunichi Onodera
    • H04N5/76G06F3/00G06F9/00
    • G11B27/034G11B27/024G11B27/032G11B2220/415G11B2220/90H04N5/781H04N9/8042
    • A data recording and/or reproducing apparatus having actuating buttons or adjustment volumes which enable a wide variety of processing operations despite a limited operating space, and which is able to display levels of plural audio data or to display various other data on a limited display area without detracting from viewability. To this end, the apparatus recording and/or reproducing includes a unit for recording and/or reproducing data for a non-linear accessible recording medium, at least one input port and at least one output port. The input port and the output port time-divisionally access the recording and/or reproducing unit to process the data inputted to the input port to output the processed data to the recording and/or reproducing a unit. The data reproduced from the recording and/or reproducing unit is processed by and outputted from the output port. The apparatus also includes a port actuation button for selecting the input and output ports, an actuation selection button for selecting recording or playback for the input port or the output port as selected by the port actuation button, and a controller for performing control so that the recording operation or the playback operation as selected by the actuation selection button will be executed by the input port or the output port as selected by the port actuation button.
    • 具有执行按钮或调节音量的数据记录和/或再现装置,其能够在有限的操作空间的情况下进行各种各样的处理操作,并且能够显示多个音频数据的电平或者在有限的显示区域上显示各种其他数据 而不影响可见度。 为此,设备记录和/或再现包括用于记录和/或再现用于非线性可访问记录介质,至少一个输入端口和至少一个输出端口的数据的单元。 输入端口和输出端口时分地访问记录和/或再现单元以处理输入到输入端口的数据,以将处理的数据输出到记录和/或再现单元。 从记录和/或再现单元再现的数据由输出端口处理和输出。 该装置还包括用于选择输入和输出端口的端口致动按钮,用于选择由端口致动按钮选择的输入端口或输出端口的记录或重放的致动选择按钮,以及用于执行控制的控制器, 由致动选择按钮选择的记录操作或播放操作将由端口致动按钮选择的输入端口或输出端口执行。