Audio-video synchronous playback apparatus
    1.
    发明授权
    Audio-video synchronous playback apparatus 有权
    音视频同步播放装置

    公开(公告)号:US6130987A

    公开(公告)日:2000-10-10

    申请号:US165219

    申请日:1998-10-01

    申请人: Mitsumasa Tanaka

    发明人: Mitsumasa Tanaka

    摘要: The audio-video synchronous playback apparatus of the present invention for expanding digital compressed audio data and digital compressed video data, respectively, and for synchronously playing back expanded audio data and expanded video data, comprises: an element for obtaining an audio playback time based on the amount of the played-back audio data; a means for determining progress in expanding the video data based on the audio playback time; and a recovery element for saving the processing time for the audio data and assigning a saved time to a process for the video data so as to recover any delay in a video portion when the expansion process for the video data is delayed with respect to the expansion process for the audio data.

    摘要翻译: 分别用于扩展数字压缩音频数据和数字压缩视频数据并用于同步回放扩展音频数据和扩展视频数据的本发明的音频 - 视频同步重放装置包括:用于基于 回放音频数据的数量; 用于基于音频播放时间确定扩展视频数据的进度的装置; 以及恢复元件,用于节省音频数据的处理时间并将保存的时间分配给视频数据的处理,以便当视频数据的扩展处理相对于扩展而延迟时,恢复视频部分中的任何延迟 处理音频数据。

    Image and sound synchronizing reproduction apparatus and method of the
same
    2.
    发明授权
    Image and sound synchronizing reproduction apparatus and method of the same 失效
    图像和声音同步再现装置及其方法

    公开(公告)号:US6043851A

    公开(公告)日:2000-03-28

    申请号:US6658

    申请日:1998-01-13

    摘要: An image and sound synchronizing reproduction apparatus includes a reference time calculation circuit for calculating a reference time in response to a data amount of decoded sound data, a delay detecting circuit calculating number of image frames to be processed practically in the decoding process in response to the reference time and comparing the number of image frames with number of frames practically processed in the decoding process, for detecting a delay of image decoding process, a frame-removing control circuit for performing a discriminating process of frames to be omitted the decoding process in response to the number of delay frames detected by the delay detecting circuit, and an image data input control circuit for performing an omission to read compressed image data corresponding to the frames discriminated by the frame-removing control circuit, controlling finely the image and sound synchronizing reproduction regardless of the structure of compressing coded data.

    摘要翻译: 图像和声音同步再现装置包括:基准时间计算电路,用于响应于解码声音数据的数据量来计算基准时间;延迟检测电路,响应于所述解码处理实际上计算待处理的图像帧数; 参考时间,并且将图像帧的数量与在解码处理中实际处理的帧的数目进行比较,以检测图像解码处理的延迟;帧去除控制电路,用于响应于解码处理执行帧的识别处理 延迟检测电路检测的延迟帧的数量,以及图像数据输入控制电路,用于执行省略以读取与由帧除去控制电路鉴别的帧相对应的压缩图像数据,精细地控制图像和声音同步再现 而不管压缩编码数据的结构如何。

    Code amount controlling method for coded pictures
    3.
    发明授权
    Code amount controlling method for coded pictures 失效
    编码图像的代码量控制方法

    公开(公告)号:US5751360A

    公开(公告)日:1998-05-12

    申请号:US680842

    申请日:1996-07-16

    申请人: Mitsumasa Tanaka

    发明人: Mitsumasa Tanaka

    摘要: The invention provides a code amount controlling method wherein, when code amount control is performed in units of a GOP, data do not remain in a buffer even if data with which a moving picture comes to an end intermediately of the last GOP are compressed. A control parameter setting section gets the number of frames from among all frames of picture data of an object of compression for which coding processing has not been performed, gets the number of frames in one GOP, and discriminates from the remaining frame number and the frame number in the GOP whether or not coding processing comes to an end intermediately of the last GOP. When coding processing comes to an end intermediately of the last GOP, the last GOP and a directly preceding GOP are coupled to vary the frame structure, and an aimed code amount is calculated. Also another method wherein an aimed code amount of the last GOP is compulsorily determined making use of an aimed code amount of the preceding GOP may be utilized. Using the thus obtained aimed code amount, a Q-scale of the macroblocks is calculated and compression coding is performed.

    摘要翻译: 本发明提供了一种代码量控制方法,其中,当以GOP为单位执行代码量控制时,即使压缩了最后GOP中的运动图像到达结束的数据,数据也不会保留在缓冲器中。 控制参数设定部从未执行编码处理的压缩对象的图像数据的所有帧中获取帧数,​​获取一个GOP中的帧数,并从剩余帧号和帧中进行辨别 GOP中的编号是否在最后GOP的中间结束编码处理结束。 当编码处理在最后GOP的中间结束时,最后的GOP和直接在前的GOP被耦合以改变帧结构,并且计算目标代码量。 还可以利用其中利用前面GOP的目标代码量来强制确定最后GOP的目标代码量的另一种方法。 使用如此获得的目标代码量,计算宏块的Q尺度并执行压缩编码。

    Method and system for installing a software product to a computer with authorization
    4.
    发明授权
    Method and system for installing a software product to a computer with authorization 失效
    通过授权将软件产品安装到计算机的方法和系统

    公开(公告)号:US06735768B1

    公开(公告)日:2004-05-11

    申请号:US09545567

    申请日:2000-04-07

    申请人: Mitsumasa Tanaka

    发明人: Mitsumasa Tanaka

    IPC分类号: G06F9445

    CPC分类号: G06F21/121

    摘要: A method and system for installing a software product to computer with authorization is provided. (1) A code C is generated from registration information that designates information about software products having already been installed to a first computer and an identifier that designates the software product S on both the first and the second computer. (2) A second computer compares the code C1 generated by the first computer with the code C2 generated by the second computer. And (3) if the code C1 coincides with the code C2, the software product S is installed to the first computer.

    摘要翻译: 提供了一种通过授权将软件产品安装到计算机的方法和系统。 (1)代码C是从第一和第二计算机上指定软件产品S的第一计算机的软件产品信息和指定软件产品S的标识符的注册信息生成的。 (2)第二计算机将由第一计算机生成的代码C1与由第二计算机生成的代码C2进行比较。 和(3)如果代码C1与代码C2一致,则将软件产品S安装到第一计算机。

    Method and apparatus for synchronously reproducing audio data and video data
    5.
    发明授权
    Method and apparatus for synchronously reproducing audio data and video data 有权
    用于同步再现音频数据和视频数据的方法和装置

    公开(公告)号:US06337883B1

    公开(公告)日:2002-01-08

    申请号:US09329340

    申请日:1999-06-10

    申请人: Mitsumasa Tanaka

    发明人: Mitsumasa Tanaka

    IPC分类号: H04N712

    摘要: An apparatus for synchronously reproducing a video data and audio data includes a separating section, an audio data processing section, a video data processing section, and a synchronization processing section. The separating section separates a multiplexed compressed audio and video data into a compressed video data and a compressed audio data. The audio data processing section expands the compressed audio data to reproduce an audio data from the expanded audio data, and outputs the audio data to the synchronization processing section. The video data processing section expands the compressed video data in response to a control signal to reproduce a video data from the expanded video data, and outputs a signal indicative of each of frames, and a signal indicative of each of time stamps to the synchronization processing section. The synchronization processing section calculates a frame rate based on the audio data supplied from the audio data processing section, and the frame signal and the time stamp signal supplied from the video data processing section, and outputs the control signal to the video data processing section based on the calculated frame rate without using a frame rate written in the video data.

    摘要翻译: 一种用于同步再现视频数据和音频数据的装置包括分离部分,音频数据处理部分,视频数据处理部分和同步处理部分。 分离部分将多路复用的压缩音频和视频数据分离成压缩视频数据和压缩音频数据。 音频数据处理部分扩展压缩音频数据以从扩展音频数据再现音频数据,并将音频数据输出到同步处理部分。 视频数据处理部分响应于控制信号来扩展压缩视频数据,以从扩展视频数据再现视频数据,并且将表示每个帧的信号和表示每个时间戳的信号输出到同步处理 部分。 同步处理部基于从音频数据处理部分提供的音频数据和从视频数据处理部分提供的帧信号和时间戳信号来计算帧速率,并将控制信号输出到视频数据处理部分 对于计算出的帧速率而不使用写在视频数据中的帧速率。

    Apparatus for a synchronized playback of audio-video signals
    6.
    发明授权
    Apparatus for a synchronized playback of audio-video signals 失效
    用于音频 - 视频信号的同步回放的装置

    公开(公告)号:US6078725A

    公开(公告)日:2000-06-20

    申请号:US3754

    申请日:1998-01-07

    申请人: Mitsumasa Tanaka

    发明人: Mitsumasa Tanaka

    IPC分类号: H04N5/92 H04N5/76 H04N5/93

    CPC分类号: H04N21/4307

    摘要: To provide an apparatus for a synchronized playback of com- pressed digital data of audio-video signals adequately even when there are data errors with a simple configuration to be applied to a system having comparatively low data processing ability, independent of resolution of a software timer of the system, the apparatus obtains a reference time indicating production time passage of the audio signal component from reproduced data amount added with rejected error data amount of the audio signal component, and detects progress of the video signal component in reference to the reference time considering rejected error video data amount.

    摘要翻译: 即使在具有应用于具有相对低的数据处理能力的系统的简单配置的数据错误的情况下,与软件计时器的分辨率无关地提供一种用于同步回放音频 - 视频信号的压缩数字数据的装置 该装置从附加有音频信号分量的拒绝误差数据量的再现数据量获得指示音频信号分量的生成时间通过的参考时间,并且考虑参考时间考虑视频信号分量的进展,考虑 拒绝错误视频数据量。

    Image editing apparatus and image editing method

    公开(公告)号:US07113542B2

    公开(公告)日:2006-09-26

    申请号:US10052521

    申请日:2002-01-23

    申请人: Mitsumasa Tanaka

    发明人: Mitsumasa Tanaka

    IPC分类号: H04N7/12 H04N11/02

    摘要: An image editing apparatus which edits image data coded by an MPEG method includes an image encoder which codes the image data, an image decoder which decodes the coded image data, and an image data analyzer which determines an attribute of each GOP and a type of each image frame. The image data analyzer determines whether a head GOP of an area to be edited is a closed GOP or not. In a case where the image data analyzer determines that the head GOP is not a closed GOP, the image encoder converts a portion near the head of the area to be edited into a closed GOP.

    System, method and record medium for audio-video synchronous playback
    10.
    发明授权
    System, method and record medium for audio-video synchronous playback 有权
    用于音视频同步播放的系统,方法和记录介质

    公开(公告)号:US07054544B1

    公开(公告)日:2006-05-30

    申请号:US09620970

    申请日:2000-07-20

    申请人: Mitsumasa Tanaka

    发明人: Mitsumasa Tanaka

    CPC分类号: H04N9/8063 H04N9/8042

    摘要: In an audio-video synchronous playback control system which outputs coded audio data to an external audio decoding device so as to be decoded and played back by the external audio decoding device while playing back video data maintaining synchronization with the audio data playback of the external audio decoding device, an audio information analysis section figures out the size of one unit of the coded audio data and the size of audio data which is obtained by decoding the one unit of the coded audio data. A silent data generation section generates silent data of a size corresponding to the size of audio data. The video data playback of the video decoding/output section is controlled based on the amount of the silent data which are played back or processed by the audio output section.

    摘要翻译: 在音频 - 视频同步重放控制系统中,其将编码的音频数据输出到外部音频解码装置,以便在重放与外部音频的音频数据重放同步的视频数据的同时由外部音频解码装置进行解码和重放 解码装置,音频信息分析部分计算出编码音频数据的一个单位的大小和通过对编码的音频数据的一个单位进行解码而获得的音频数据的大小。 静音数据生成部生成与音频数据的大小对应的大小的无声数据。 视频解码/输出部分的视频数据播放是基于由音频输出部分播放或处理的静音数据的量来控制的。