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    • 1. 发明授权
    • Video coding apparatus, method of controlling video coding and program of controlling video coding
    • 视频编码装置,控制视频编码的方法和控制视频编码的程序
    • US08665966B2
    • 2014-03-04
    • US10569886
    • 2004-09-02
    • Ikuo TsukagoshiShinji TakadaKoichi Goto
    • Ikuo TsukagoshiShinji TakadaKoichi Goto
    • H04N7/12H04N11/02H04N11/04
    • H04N19/42H04N19/12H04N19/127H04N19/156H04N19/172
    • The present invention realizes a video coding apparatus that is simple in configuration and can avoid video display quality deterioration due to an overrun of video coding processing. The video coding apparatus is provided with a coding means for bringing video into coding processing on a frame basis with a first coding processing method; a processing time detecting means for detecting coding actual processing time required for coding processing on the frame; a delay calculating means for calculating processing delay time of coding processing on the frame based on coding predicted processing time given to the coding processing and the coding actual processing time; a coding load controlling means for, in a case where the processing delay time on the frame is greater than or equal to a predetermined threshold value, causing a subsequent frame to undergo coding processing with a second coding processing method bearing coding processing load lower than in said first coding processing method, and thereby processing time of frames after occurrence of an overrun is shortened for recovery from the overrun so that a frame skip due to occurrence of an overrun is prevented to enable avoidance of video quality deterioration.
    • 本发明实现了一种视频编码装置,其配置简单,并且可以避免视频编码处理超载导致的视频显示质量恶化。 视频编码装置具有编码装置,用于利用第一编码处理方法将视频转换成基于帧的编码处理; 处理时间检测装置,用于检测帧上的编码处理所需的编码实际处理时间; 延迟计算装置,用于根据给予编码处理和编码实际处理时间的编码预测处理时间,计算帧上的编码处理的处理延迟时间; 编码负载控制装置,用于在所述帧上的处理延迟时间大于或等于预定阈值的情况下,使后续帧进行编码处理,所述第二编码处理方法承载编码处理负载低于 所述第一编码处理方法,从而超出发生后的帧的处理时间被缩短以从超程恢复,从而防止由于发生超限而跳帧,从而避免视频质量恶化。
    • 2. 发明申请
    • Content receiving apparatus, video/audio output timing control method, and content provision system
    • 内容接收装置,视频/音频输出定时控制方法和内容提供系统
    • US20070092224A1
    • 2007-04-26
    • US10570069
    • 2004-07-22
    • Ikuo TsukagoshiShinji TakadaKoichi Goto
    • Ikuo TsukagoshiShinji TakadaKoichi Goto
    • H04N7/00
    • H04N21/4341H04N5/04H04N5/4401H04N5/602H04N21/2368H04N21/4307H04N21/440281H04N21/64322H04N21/6437H04N21/8106
    • This invention realizes correct adjustment of lip-syncing of video and audio on a decoder side. According to this invention, a plurality of encoded video frames given video time stamps VTS and a plurality of encoded audio frames given audio time stamps ATS are received and decoded from an encoder side, and the resultant plurality of video frames VF1 and plurality of audio frames AF1 are stored, a time difference which occurs due to a difference between the clock frequency of the reference clock of the encoder side and the clock frequency of the system time clock stc of the decoder side is calculated by a renderer 37, 67, and video frame output timing for sequentially outputting the plurality of video frames VF1 frame by frame is adjusted based on audio frame output timing for sequentially outputting the plurality of audio frames AF1 frame by frame, according to the time difference, resulting in realizing the lip-syncing with keeping sound continuousness.
    • 本发明实现了解码器侧的视频和音频的唇同步的正确调整。 根据本发明,给出给定视频时间戳VTS的多个编码视频帧和给定音频时间戳ATS的多个编码音频帧从编码器侧接收和解码,并且所得到的多个视频帧VF 1和多个音频 帧AF 1被存储,由编码器侧的参考时钟的时钟频率与解码器侧的系统时钟时钟stc的时钟频率之间的差异产生的时间差由渲染器37,67计算, 并且根据时间差,逐帧地依次输出多个音频帧AF 1的音频帧输出定时来调整用于逐帧依次输出多个视频帧VF 1的视频帧输出定时,从而实现 嘴唇同步,保持声音的连续性。
    • 3. 发明申请
    • Video encoding device, video encoding control method, and video encoding control program
    • 视频编码设备,视频编码控制方法和视频编码控制程序
    • US20070014355A1
    • 2007-01-18
    • US10569886
    • 2004-09-02
    • Ikuo TsukagoshiShinji TakadaKoichi Goto
    • Ikuo TsukagoshiShinji TakadaKoichi Goto
    • H04N7/12
    • H04N19/42H04N19/12H04N19/127H04N19/156H04N19/172
    • The present invention realizes a video coding apparatus that is simple in configuration and can avoid video display quality deterioration due to an overrun of video coding processing. The video coding apparatus is provided with a coding means for bringing video into coding processing on a frame basis with a first coding processing method; a processing time detecting means for detecting coding actual processing time required for coding processing on the frame; a delay calculating means for calculating processing delay time of coding processing on the frame based on coding predicted processing time given to the coding processing and the coding actual processing time; a coding load controlling means for, in a case where the processing delay time on the frame is greater than or equal to a predetermined threshold value, causing a subsequent frame to undergo coding processing with a second coding processing method bearing coding processing load lower than in said first coding processing method, and thereby processing time of frames after occurrence of an overrun is shortened for recovery from the overrun so that a frame skip due to occurrence of an overrun is prevented to enable avoidance of video quality deterioration.
    • 本发明实现了一种视频编码装置,其配置简单,并且可以避免视频编码处理超载导致的视频显示质量恶化。 视频编码装置具有编码装置,用于利用第一编码处理方法将视频转换成基于帧的编码处理; 处理时间检测装置,用于检测帧上的编码处理所需的编码实际处理时间; 延迟计算装置,用于根据给予编码处理和编码实际处理时间的编码预测处理时间,计算帧上的编码处理的处理延迟时间; 编码负载控制装置,用于在所述帧上的处理延迟时间大于或等于预定阈值的情况下,使后续帧进行编码处理,所述第二编码处理方法承载编码处理负载低于 所述第一编码处理方法,从而超出发生后的帧的处理时间被缩短以从超程恢复,从而防止由于发生超限而跳帧,从而避免视频质量恶化。
    • 4. 发明授权
    • Content receiving apparatus, method of controlling video-audio output timing and content providing system
    • 内容接收装置,控制视频音频输出定时的方法和内容提供系统
    • US08189679B2
    • 2012-05-29
    • US11661347
    • 2005-08-31
    • Ikuo TsukagoshiShinji TakadaKoichi Goto
    • Ikuo TsukagoshiShinji TakadaKoichi Goto
    • H04N11/02
    • H04N21/8106H04N21/2368H04N21/4307H04N21/4341
    • The present invention can reliably adjust the lip-sync between an video and audio at a decoder side, without making the viewer feel strangeness.In this invention, the encoded video frames to which video time-stamps VTS are attached and the encoded audio frames to which audio time-stamps ATS are attached, all received, are decoded, generating a plurality of video frames VF1 and a plurality of audio frames AF1. The video frames VF1 and audio frames AF1 are accumulated. Renderers 37 and 77 calculate the time difference resulting from a gap between the reference clock for the encoder side and the system time clock stc for the decoder side. In accordance with the time difference, the timing of outputting the plurality of video frames, one by one, on the basis of a timing of outputting the plurality of audio frames, one by one. Hence, the lip-sync can be achieved, while maintaining the continuity of the audio.
    • 本发明可以可靠地调节解码器侧的视频和音频之间的唇部同步,而不会使观看者感到陌生。 在本发明中,解码附加有视频时间戳VTS的编码视频帧和所有接收到音频时间标记ATS的编码音频帧,生成多个视频帧VF1和多个音频 框架AF1。 视频帧VF1和音频帧AF1被累积。 渲染器37和77计算由编码器侧的参考时钟与解码器侧的系统时钟时钟stc之间的间隙产生的时间差。 根据时间差,逐个地输出多个视频帧的定时,依次输出多个音频帧的定时。 因此,可以在保持音频的连续性的同时实现唇部同步。
    • 5. 发明授权
    • Content receiving apparatus, video/audio output timing control method, and content provision system
    • 内容接收装置,视频/音频输出定时控制方法和内容提供系统
    • US07983345B2
    • 2011-07-19
    • US10570069
    • 2004-07-22
    • Ikuo TsukagoshiShinji TakadaKoichi Goto
    • Ikuo TsukagoshiShinji TakadaKoichi Goto
    • H04N7/12H04N11/02H04N11/04
    • H04N21/4341H04N5/04H04N5/4401H04N5/602H04N21/2368H04N21/4307H04N21/440281H04N21/64322H04N21/6437H04N21/8106
    • This invention realizes correct adjustment of lip-syncing of video and audio on a decoder side. According to this invention, a plurality of encoded video frames given video time stamps VTS and a plurality of encoded audio frames given audio time stamps ATS are received and decoded from an encoder side, and the resultant plurality of video frames VF1 and plurality of audio frames AF1 are stored, a time difference which occurs due to a difference between the clock frequency of the reference clock of the encoder side and the clock frequency of the system time clock stc of the decoder side is calculated by a renderer 37, 67, and video frame output timing for sequentially outputting the plurality of video frames VF1 frame by frame is adjusted based on audio frame output timing for sequentially outputting the plurality of audio frames AF1 frame by frame, according to the time difference, resulting in realizing the lip-syncing with keeping sound continuousness.
    • 本发明实现了解码器侧的视频和音频的唇同步的正确调整。 根据本发明,给出给定视频时间戳VTS的多个编码视频帧和给定音频时间标记ATS的多个编码音频帧从编码器侧接收和解码,并且得到的多个视频帧VF1和多个音频帧 AF1被存储,由编码器侧的参考时钟的时钟频率与解码器侧的系统时钟时钟stc的时钟频率之间的差异产生的时间差由渲染器37,67和视频 基于用于依次输出多个音频帧AF1的音频帧输出定时,根据时间差来调整用于逐帧顺序地输出多个视频帧VF1的帧输出定时,从而实现与时间差的唇同步 保持良好的连续性。
    • 6. 发明申请
    • Content Receiving Apparatus, Method of Controlling Video-Audio Output Timing and Content Providing System
    • 内容接收装置,控制视频 - 音频输出时序和内容提供系统的方法
    • US20080304571A1
    • 2008-12-11
    • US11661347
    • 2005-08-31
    • Ikuo TsukagoshiShinji TakadaKoichi Goto
    • Ikuo TsukagoshiShinji TakadaKoichi Goto
    • H04N7/26
    • H04N21/8106H04N21/2368H04N21/4307H04N21/4341
    • The present invention can reliably adjust the lip-sync between an video and audio at a decoder side, without making the viewer feel strangeness.In this invention, the encoded video frames to which video time-stamps VTS are attached and the encoded audio frames to which audio time-stamps ATS are attached, all received, are decoded, generating a plurality of video frames VF1 and a plurality of audio frames AF1. The video frames VF1 and audio frames AF1 are accumulated. Renderers 37 and 77 calculate the time difference resulting from a gap between the reference clock for the encoder side and the system time clock stc for the decoder side. In accordance with the time difference, the timing of outputting the plurality of video frames, one by one, on the basis of a timing of outputting the plurality of audio frames, one by one. Hence, the lip-sync can be achieved, while maintaining the continuity of the audio.
    • 本发明可以可靠地调节解码器侧的视频和音频之间的唇部同步,而不会使观看者感到陌生。 在本发明中,解码附加有视频时间戳VTS的编码视频帧和所有接收到音频时间戳ATS的编码音频帧,生成多个视频帧VF1和多个音频 框架AF1。 视频帧VF1和音频帧AF1被累积。 渲染器37和77计算由编码器侧的参考时钟与解码器侧的系统时钟时钟stc之间的间隙产生的时间差。 根据时间差,逐个地输出多个视频帧的定时,依次输出多个音频帧的定时。 因此,可以在保持音频的连续性的同时实现唇部同步。
    • 8. 发明授权
    • Disparity data transport and signaling
    • 差距数据传输和信令
    • US08817072B2
    • 2014-08-26
    • US13022817
    • 2011-02-08
    • Mark Kenneth EyerIkuo Tsukagoshi
    • Mark Kenneth EyerIkuo Tsukagoshi
    • H04N13/00H04N7/32
    • H04N13/161H04N13/172H04N13/183H04N13/189H04N19/597H04N21/4884H04N21/816
    • A method of decoding closed caption disparity data, involves a TV receiver receiving closed caption disparity data for a 3D display encoded as a sequence of frame interval/slope change pairs, with the frame interval representing a designated number of frames over which each linear function representing disparity is to be applied paired with a value indicating a change in slope from the slope of a preceding segment. A first segment in the sequence presumes a predetermined slope as a reference. A sequence of caption data packets specifies a closed caption display window containing closed caption text. The disparity value is used in each frame to determine a horizontal offset of left and right eye views of the CC display that establishes the closed caption display window's perceived z-axis position. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
    • 一种解码隐藏字幕差异数据的方法涉及一种TV接收机,其接收被编码为帧间隔/斜率变化对序列的3D显示的隐藏字幕差异数据,其中帧间隔表示指定数量的帧,每个线性函数表示 视差应与来自前一段的斜率的指示斜率变化的值配对。 序列中的第一段假设预定的斜率作为参考。 一系列字幕数据包指定一个包含隐藏字幕文本的隐藏字幕显示窗口。 在每个帧中使用视差值来确定建立隐藏字幕显示窗口感知的z轴位置的CC显示器的左眼和右眼视图的水平偏移。 该摘要不被认为是限制性的,因为其它实施例可能偏离本摘要中描述的特征。
    • 10. 发明申请
    • TRANSMISSION DEVICE, TRANSMISSION METHOD, AND RECEPTION DEVICE
    • 传输设备,传输方法和接收设备
    • US20130188016A1
    • 2013-07-25
    • US13876339
    • 2012-07-03
    • Ikuo Tsukagoshi
    • Ikuo Tsukagoshi
    • H04N13/00
    • H04N13/194H04N13/161H04N13/178H04N19/59H04N19/597
    • A reception device with a 3D function can appropriately acquire corresponding disparity information together with data of overlapping information.A first private data stream (a 2D stream) including data of overlapping information and a second private data stream (a 3D extension stream) including disparity information are included in a multiplexed data stream. Association information associating the first private data stream with the second private data stream is included in the multiplexed data stream. For example, identification information which is common to descriptors describing information related to both of the streams is described as the association information. A reception device with a 3D function at a reception side can efficiently and appropriately extract and decode both of the streams based on the association information.
    • 具有3D功能的接收装置可以适当地获取与重叠信息的数据相对应的视差信息。 包括重叠信息的数据的第一专用数据流(2D流)和包括视差信息的第二专用数据流(3D扩展流)被包括在复用的数据流中。 将第一私有数据流与第二专用数据流相关联的关联信息被包括在复用数据流中。 例如,描述与两个流相关的信息的描述符通用的识别信息被描述为关联信息。 在接收侧具有3D功能的接收装置可以基于关联信息有效地适当地提取和解码两个流。