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    • 3. 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。
    • 4. 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。
    • 5. 发明授权
    • IC device compatible with input signals in the formats for two-line and
four-line type bus lines
    • IC器件兼容双线和四线式总线线路输入信号
    • US4769781A
    • 1988-09-06
    • US925374
    • 1986-10-30
    • Norihisa ShirotaShinji TakadaKazuo Yamagiwa
    • Norihisa ShirotaShinji TakadaKazuo Yamagiwa
    • G06F13/12G06F3/00G06F13/14G06F13/20G06F13/38G06F13/42G11C19/00H04Q9/00G06F13/00
    • G06F13/4291
    • An IC device has a first terminal for inputting date in the format for a four-line or two-line type bus line, and for outputting data, a second terminal for receiving a chip select signal, a third terminal for receiving a clock pulse, a fourth terminal for outputting data a first signal processor for receiving data from the first terminal in the format for a two-line type bus line and including an address signal and for outputting the data such first signal processor including a detector for detecting the address signal, a second signal processor for receiving the data supplied from the first terminal in the format of a four-line type bus line and outputting the data to the fourth terminal, the first and second signal processors being selectively enabled in accordance with the chip select signal, and a control unit for receiving the signal from the first or second signal processor and outputting the data to the first terminal or the first or second signal processors.
    • IC器件具有用于以四线或双线型总线的格式输入日期的第一端子,并且用于输出数据,用于接收芯片选择信号的第二端子,用于接收时钟脉冲的第三端子, 用于输出数据的第四终端,用于以二线式总线的格式接收来自第一终端的数据并包括地址信号的第一信号处理器,并且用于输出数据,第一信号处理器包括用于检测地址信号的检测器 第二信号处理器,用于以四线式总线的格式接收从第一终端提供的数据,并将数据输出到第四终端,第一和第二信号处理器根据片选信号选择性地使能 以及控制单元,用于从第一或第二信号处理器接收信号,并将数据输出到第一终端或第一或第二信号处理器。
    • 9. 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。