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1. 发明授权

US5519828A Video editing operator interface for aligning timelines 失效
标题翻译：用于调整时间轴的视频编辑操作界面
公开(公告)号：US5519828A
公开(公告)日：1996-05-21
申请号：US311994
申请日：1994-12-19
申请人： Bruce L. Rayner
发明人： Bruce L. Rayner
IPC分类号： G11B27/02 , G11B27/024 , G11B27/032 , G11B27/034 , G11B27/34 , H04N5/7826 , H04N5/91 , G06F15/00
CPC分类号： G11B27/034 , G11B27/34 , G11B2220/90 , G11B27/024 , G11B27/032 , Y10S715/974
摘要： An operator interface for a video editing system provides a visual sense of the content of video sequences, as well as their length, while also providing enhanced interactive control of locations and time alignments of the video. As the video sequence is processed into the system, a small but representative sample of each frame is saved in a local memory, while the video itself is stored in mass storage. These samples are used to provide a video pictorial timeline of the underlying stored video. The location of an operator's view into the video sequence is controlled by a cursor's movement along a detailed video pictorial timeline, a reverse motion area and a forward motion area to provide VTR control for location changes on the video tape. The cursor's movement can be controlled by a mouse or a knob. Icons, either static or dynamic, are produced within the motion areas to indicate the amount of selected velocity. Timelines can be marked with time marks, roughly aligned and then automatically fine aligned by the system according to their respective time markers. The editing results associated with these timelines are also time aligned as a result of this process.
摘要翻译：用于视频编辑系统的操作者界面提供视频序列的内容及其长度的视觉感受，同时还提供对视频的位置和时间对准的增强的交互式控制。当视频序列被处理到系统中时，每个帧的小而有代表性的样本被保存在本地存储器中，而视频本身被存储在大容量存储器中。这些样本用于提供底层存储视频的视频图形时间轴。视频序列中的操作者视图的位置由光标沿着详细的视频图形时间轴，反向运动区域和向前运动区域的移动来控制，以提供视频磁带上的位置变化的VTR控制。光标的移动可以通过鼠标或旋钮进行控制。在运动区域内产生静态或动态图标，以指示选定速度的量。时间线可以标记时间标记，大致对齐，然后系统根据其各自的时间标记自动精确对齐。与这些时间线相关联的编辑结果也由于此过程而被时间对齐。

2. 发明授权

US5483538A Audio frame synchronization for embedded audio demultiplexers 失效
标题翻译：嵌入式音频解复用器的音频帧同步
公开(公告)号：US5483538A
公开(公告)日：1996-01-09
申请号：US248795
申请日：1994-05-25
申请人： Joe L. Rainbolt
发明人： Joe L. Rainbolt
IPC分类号： H04N5/262 , G11B20/10 , H04N5/60 , H04N5/91 , H04N7/04 , H04N7/045 , H04J3/06 , H04N7/08
CPC分类号： H04N7/04
摘要： Audio frame synchronization for embedded audio demultiplexers counts the number of audio samples for each video frame of a digital video signal. The pattern of audio samples per video frame for an audio frame is detected to identify an audio frame boundary, the pattern being a function of the respective video and audio standards for the digital video signal. For example in one embodiment the number of audio samples for consecutive video frames are compared, and when there is equality between consecutive video frames the audio frame boundary is detected.
摘要翻译：用于嵌入式音频解复用器的音频帧同步对数字视频信号的每个视频帧的音频样本数进行计数。检测用于音频帧的每个视频帧的音频样本的模式以识别音频帧边界，该模式是数字视频信号的相应视频和音频标准的函数。例如，在一个实施例中，比较了用于连续视频帧的音频样本的数量，并且当连续视频帧之间存在相等性时，检测到音频帧边界。

3. 发明授权

US5331206A Circuit for driving a transmission line 失效
标题翻译：驱动传输线的电路
公开(公告)号：US5331206A
公开(公告)日：1994-07-19
申请号：US877000
申请日：1992-05-01
申请人： John E. Liron
发明人： John E. Liron
IPC分类号： H03K17/16 , H03K17/62 , H03K19/018 , H04L25/08 , H04Q1/18 , H04Q3/42 , H03K3/01 , H03K17/56 , H03K17/60
CPC分类号： H03K19/01831 , H04L25/08
摘要： A circuit for driving a transmission line composed of first and second conductors, comprises input transistors for providing a differential signal, and first and second output transistors having their bases connected to receive the differential signal, their collectors connected to a first reference potential level, and their emitters connected to the first and second conductors respectively. An output enable circuit selectively places the output transistors either in a conductive condition, in which they apply the differential signal to the transmission line, or in a non-conductive condition, in which the isolate the transmission line from the input transistors.
摘要翻译：用于驱动由第一和第二导体组成的传输线的电路包括用于提供差分信号的输入晶体管，以及连接其基极的第一和第二输出晶体管，其接收差分信号，它们的集电极连接到第一参考电位电平，以及它们的发射极分别连接到第一和第二导体。输出使能电路选择性地将输出晶体管放置在导通状态，其中它们将差分信号施加到传输线，或者在非导通状态下，其中传输线与输入晶体管隔离。

4. 发明授权

US5283652A Pattern generation using wipe solid generator 失效
标题翻译：使用擦拭固体发生器的图案生成
公开(公告)号：US5283652A
公开(公告)日：1994-02-01
申请号：US968658
申请日：1992-10-30
申请人： Jon A. Fairhurst
发明人： Jon A. Fairhurst
IPC分类号： H04N1/387 , H04N5/262
CPC分类号： H04N5/2622
摘要： A method of pattern generation for a screen using a wipe solid generator and a recursive memory includes generating from operator inputs a wipe solid. An extent of the generated wipe solid is measured to produce maximum and minimum values. These maximum and minimum values are extended to encompass a desired border size and softness. A lever-arm scaling function is selected based upon whether a change in operator input causes a reversal in pattern and/or causes the pattern to "breathe." The selected lever-arm scaling function uses prior values from the recursive memory to generate new values that are stored in the recursive memory. From the stored values clip levels are determined such that completion of lever-arm movement to a limit position coincides with completion of the pattern without distortion of the size of the pattern.
摘要翻译：使用擦拭固体发生器和递归存储器的屏幕的图案生成方法包括从操作者输入产生擦拭固体。测量产生的擦拭固体的程度以产生最大值和最小值。这些最大值和最小值被扩展到包含期望的边界大小和柔软度。基于操作者输入的变化是否导致模式反转和/或使模式“呼吸”来选择杠杆臂缩放功能。所选的杠杆臂缩放功能使用递归内存中的先前值来生成存储在递归内存中的新值。从存储的值剪辑级别被确定为使得到极限位置的杠杆臂移动的完成与图案的完成一致，而不会使图案的尺寸失真。

5. 发明授权

US5270803A Inverse hyperbolic comb filter 失效
标题翻译：逆双曲梳状滤波器
公开(公告)号：US5270803A
公开(公告)日：1993-12-14
申请号：US966635
申请日：1992-10-26
申请人： Jon A. Fairhurst
发明人： Jon A. Fairhurst
IPC分类号： H03H15/00 , H04N9/78
CPC分类号： H04N9/78
摘要： An inverse hyperbolic comb filter decodes an encoded signal by subtracting a vertically filtered and horizontally filtered version of the encoded signal from a delayed version of the encoded signal whereupon the resulting output is further horizontally filtered to provide a first decoded output. A twice delayed version of the input signal then has the first output signal subtracted therefrom to provide a second output. Optional further vertical filtering may be employed to vertically filter the output of the first subtractor before the final horizontal filtering is performed. The filter may also be employed in encoding signals wherein the components to be encoded are first filtered prior to combining. The inverse hyperbolic comb filter is applicable to any system employing combining of two-dimensional signals via quadrature modulation and may also be employed in three-dimensional systems.
摘要翻译：逆双曲梳状滤波器通过从编码信号的延迟版本中减去经编码信号的垂直滤波和水平滤波版本来对编码信号进行解码，由此所得输出进一步水平滤波以提供第一解码输出。然后输入信号的两次延迟版本具有从其中减去的第一输出信号以提供第二输出。在执行最后的水平滤波之前，可以采用可选的另外的垂直滤波来垂直滤波第一减法器的输出。滤波器也可以用于编码信号，其中在组合之前首先对要编码的分量进行滤波。反双曲梳梳滤波器适用于通过正交调制采用二维信号组合的任何系统，也可用于三维系统。

6. 发明授权

US5173948A Video image mapping system 失效
标题翻译：视频图像映射系统
公开(公告)号：US5173948A
公开(公告)日：1992-12-22
申请号：US677548
申请日：1991-03-29
申请人： Raymond C. Blackham , Frank S. Lawrence
发明人： Raymond C. Blackham , Frank S. Lawrence
IPC分类号： G06T3/00 , G06T11/20 , G06T15/04 , H04N5/262 , H04N9/74
CPC分类号： G06T15/04 , H04N5/2628
摘要： A video mapping system includes a weighting coefficients generator and a two-dimensional resampling filter that efficiently utilize memory resources and operate fast enough to process a video image stream without introducing artifacts through temporal interpolation. This system can accommodate non-linear and many-to-one mappings, allowing a source two-dimensional video image to be folded over itself in complicated ways to produce an image in the target coordinate system. The only restrictions are that the mapping be piecewise continuous and single-valued. Anti-aliasing filtering is implicit in the approach.

7. 发明授权

US5012329A Method of encoded video decoding 失效
标题翻译：编码视频解码方法
公开(公告)号：US5012329A
公开(公告)日：1991-04-30
申请号：US300453
申请日：1989-02-21
申请人： Stuart E. Lang , Jon Fairhurst
发明人： Stuart E. Lang , Jon Fairhurst
IPC分类号： H04N9/68 , H04N9/64 , H04N9/78
CPC分类号： H04N9/646
摘要： A digital decoder for an encoded video signal has three stages. The first stage applies a multi-dimensional digital chrominance bandpass filter to the digitized encoded video signal to produce a chrominance signal, subtracting the chrominance signal from the digitized encoded video signal to produce a luminance signal. The second stage detects edges and peaks in the chrominance signal, and corrects the luminance signal where such edges and peaks are detected to produce a chrominance corrected luminance signal without dot crawl errors. An intermediate corrected chrominance signal may also be derived from the second stage. The third stage filters the chrominance signal, or intermediate corrected chrominance signal, to reduce peaks in the chrominance signal as well as to enhance edges to produce a corrected chrominance signal with minimized cross color errors.

8. 发明授权

US4988982A Touch pad machine control 失效
标题翻译：触摸板机控制
公开(公告)号：US4988982A
公开(公告)日：1991-01-29
申请号：US333888
申请日：1989-04-03
申请人： Bruce L. Rayner , Peter N. Johnson
发明人： Bruce L. Rayner , Peter N. Johnson
IPC分类号： G05B19/409 , G06F3/033 , G06F3/048
CPC分类号： G06F3/04883 , G05B19/409 , G05B2219/35439
摘要： A touch pad machine control system uses a touch pad having an overlay to define control strip surface areas which perform different functions. The contact of an operator's finger along one of the defined control strips selects a desired function and produces the desired machine motion from the rate, distance or duration of finger contact according to the desired function. The result is equivalent control motion without the need for moving parts.
摘要翻译：触摸板机控制系统使用具有覆盖层的触摸板来限定执行不同功能的控制条表面区域。操作者的手指沿着所定义的控制条之一的接触选择期望的功能，并且根据期望的功能从手指接触的速率，距离或持续时间产生期望的机器运动。结果是等效的控制运动，而不需要移动部件。

9. 发明授权

US4947255A Video luminance self keyer 失效
标题翻译：视频亮度自锁键
公开(公告)号：US4947255A
公开(公告)日：1990-08-07
申请号：US245472
申请日：1988-09-19
申请人： Richard A. Jackson , Richard S. Bannister
发明人： Richard A. Jackson , Richard S. Bannister
IPC分类号： H04N5/272 , H04N5/275
CPC分类号： H04N5/275 , H04N5/272
摘要： An improved luminance video self keyer extracts a key signal from an unshaped input video signal as a function of a low and a high clip level. The input video signal is subsequently "shaped" as a function of the key signal and the low clip level. The result is a shaped video signal and an associated key signal that are combined with a secondary video signal without resorting to double multiplication of the input video signal by its associated key signal to produce a desired combination of the two video signals.

10. 发明授权

US4890163A Interrupting a transition sequence between video sources 失效
标题翻译：中断视频源之间的转换序列
公开(公告)号：US4890163A
公开(公告)日：1989-12-26
申请号：US178106
申请日：1988-04-06
申请人： Brion Johnson , Michael R. Kesti , Keith Y. Reynolds
发明人： Brion Johnson , Michael R. Kesti , Keith Y. Reynolds
IPC分类号： H04N5/268
CPC分类号： H04N5/268
摘要： A transition interrupt for a video switcher which occurs at any point during or just prior to a transition between a program bus source and a preset bus source replaces the source on the preset bus with a new source. The program bus executes a cut or fade to black of the current source, and then the new source from the preset bus is switched to the program bus so that the new source is now on the program bus at black. The program bus is held at black, if necessary, until any necessary initial activation sequence is completed, such as preroll for a tape or cassette recorder, and then brought up from black to complete the new transition due to the transition interrupt.

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