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1. 发明授权

US5235423A Controllable pseudo random noise pattern generator for use in video special effects 失效
标题翻译：用于视频特效的可控伪随机噪声模式发生器
公开(公告)号：US5235423A
公开(公告)日：1993-08-10
申请号：US973590
申请日：1992-11-09
申请人： Brion L. Dunbar , John Abt , James A. Delwiche
发明人： Brion L. Dunbar , John Abt , James A. Delwiche
IPC分类号： H04N5/262 , H04N5/265 , H04N5/272
CPC分类号： H04N5/265 , H04N5/262 , H04N5/272
摘要： A pseudo-random pattern generator has modifiable feedback so that a variety of pseudo-random video patterns can be generated and used either directly, or after further manipulation, to control the mixing of two video sources. Control of a multiplexer allows a variety of pattern lengths to be selected by altering which stages of a shift register are supplied to a feedback exclusive-OR gate. Patterns with controllable granularity can be achieved by stretching each part of the noise pattern a selectable number of times along either or both axes. Horizontal stretching is achieved by clocking the shift register more slowly than the rate at which it is being read out. Vertical stretching is achieved by repeating the same pattern on each of a selectable number of consecutive lines. Varying the ratio of the stretching along the horizontal axis to the stretching along the vertical axis allows the aspect ratio of the grains of the pattern to be controlled. The values that are used to initialize the shift register can also be altered to achieve additional variation in the patterns generated. Two (or more) modifiable pseudo-random pattern generators can be used in combination with an array of selectable filters to provide a controllable noise pattern generator with coarse and fine pattern controls and selectable filtering of the output patterns produced.
摘要翻译：伪随机模式发生器具有可修改的反馈，使得可以直接地或在进一步操纵之后生成和使用各种伪随机视频模式来控制两个视频源的混合。复用器的控制允许通过改变将移位寄存器的哪些级提供给反馈异或门来选择各种模式长度。可以通过沿着一个或两个轴沿噪声图案的每个部分拉伸可选次数来实现具有可控粒度的图案。水平拉伸通过使移位寄存器比读出速率更慢地实现。通过在可选数量的连续行中的每一个上重复相同的图案来实现垂直拉伸。改变沿着水平轴的拉伸与沿着垂直轴的拉伸的比率允许控制图案的晶粒的纵横比。用于初始化移位寄存器的值也可以被改变以实现生成的模式的附加变化。两个（或多个）可修改的伪随机模式发生器可以与可选择滤波器阵列组合使用，以提供具有粗略和精细图案控制的可控噪声模式发生器以及所产生的输出模式的可选滤波。

2. 发明授权

US5719988A Dynamically paged non-volatile random access video store 失效
标题翻译：动态分页非易失性随机存取视频存储
公开(公告)号：US5719988A
公开(公告)日：1998-02-17
申请号：US604267
申请日：1996-02-21
申请人： James E. Blecksmith , David Casper , James A. Delwiche , Brion L. Dunbar , Thomas H. Knight , Scott Murray , Neil R. Olmstead
发明人： James E. Blecksmith , David Casper , James A. Delwiche , Brion L. Dunbar , Thomas H. Knight , Scott Murray , Neil R. Olmstead
IPC分类号： G11B27/034 , G11B27/10 , G06F13/00
CPC分类号： G11B27/034 , G11B27/105 , G11B2220/20
摘要： A dynamically paged non-volatile random access video store has a random access memory integrated with a disk drive. The random access memory provides realtime access for recording and playing back video from and to a video source. The disk drive provides a non-volatile backup for the random access memory by transferring data between the disk drive and random access memory automatically, or by command, on a non-realtime basis. The video data accesses and transfers are handled by a microprocessor that interfaces with a controller by which an operator inputs instructions. Multiple channels are accommodated via a channel interface, also controlled by the microprocessor, between external video devices and the random access memory. The disk drive stores a plurality of pages of video data, each page corresponding to the capacity of the random access memory.
摘要翻译：动态分页的非易失性随机存取视频存储器具有与磁盘驱动器集成的随机存取存储器。随机存取存储器提供实时访问以从视频源录制和再现视频。磁盘驱动器通过在磁盘驱动器和随机存取存储器之间通过非实时的方式自动或通过命令传输数据来为随机存取存储器提供非易失性备份。视频数据访问和传输由与操作者输入指令的控制器接口的微处理器来处理。通过通道接口（也由微处理器控制）在外部视频设备和随机存取存储器之间容纳多个通道。磁盘驱动器存储多页视频数据，每页对应于随机存取存储器的容量。

3. 发明授权

US4965668A Adaptive rounder for video signals 失效
标题翻译：视频信号的自适应轮询
公开(公告)号：US4965668A
公开(公告)日：1990-10-23
申请号：US433882
申请日：1989-11-09
申请人： John Abt , James A. Delwiche
发明人： John Abt , James A. Delwiche
IPC分类号： G06F7/38 , G09G3/20 , H03H17/02 , H03M1/04 , H04N5/14 , H04N7/26
CPC分类号： H04N19/90 , H04N5/14 , G09G3/2048
摘要： An adaptive rounder for avoiding truncation errors for digital video signal has a dither source that is modified by the bits of an integer portion of an input digital signal corresponding to the video signal. A dither signal from the dither source has a number of bits equal to a fractional portion of the input digital signal. The dither signal is added to the input digital signal and the result is truncated to produce an output digital signal having a number of bits equal to the integer portion.

4. 发明授权

US5850267A Non-additive video mixer 失效
标题翻译：非附加视频混合器
公开(公告)号：US5850267A
公开(公告)日：1998-12-15
申请号：US29343
申请日：1993-03-10
申请人： John Abt , James A. Delwiche
发明人： John Abt , James A. Delwiche
IPC分类号： H04N5/272 , H04N5/275 , H04N9/74 , H04N9/76 , H04N5/262
CPC分类号： H04N5/275 , H04N5/272 , H04N9/76
摘要： To provide an improved non-additive mixer, a first mixer mixes first and second video signals according to a mixer control signal derived in a new way. The first and second video signals are applied, respectively, to first and second chrominance (blocking) filters. The resulting first and second luminance signals are applied, respectively, to first and second summing circuits, where offsets may be applied to either or both of them. The difference is then taken between the first offset luminance signal and the second offset luminance signal to produce a difference luminance signal. The difference luminance signal is then multiplied by a gain control signal to produce the mixer control signal. The mixer control signal can also be used to control a second mixer, thereby providing a channel for keying information that is non-additively mixed according to the luminance content of the video signal that the key information is associated with.
摘要翻译：为了提供改进的非加法混合器，第一混频器根据以新的方式导出的混频器控制信号混合第一和第二视频信号。第一和第二视频信号分别应用于第一和第二色度（阻塞）滤波器。所得到的第一和第二亮度信号分别被施加到第一和第二求和电路，其中偏移可以被施加到它们中的一个或两者。然后在第一偏移亮度信号和第二偏移亮度信号之间取差，以产生差分亮度信号。然后将差分亮度信号乘以增益控制信号以产生混频器控制信号。混合器控制信号也可用于控制第二混频器，从而根据密钥信息相关联的视频信号的亮度内容提供用于非信息混合信息的信道。

5. 发明授权

US07668099B2 Synthesis of vertical blanking signal 有权
标题翻译：垂直消隐信号的合成
公开(公告)号：US07668099B2
公开(公告)日：2010-02-23
申请号：US10746284
申请日：2003-12-23
申请人： Giovanni M. Agnoli , Andrew Yanowitz , John O. Abt , Samuel R. Bowman , James A. Delwiche , Jeffrey C. Dillon
发明人： Giovanni M. Agnoli , Andrew Yanowitz , John O. Abt , Samuel R. Bowman , James A. Delwiche , Jeffrey C. Dillon
IPC分类号： H04J3/06
CPC分类号： H04N21/4143 , H04N5/765 , H04N7/088 , H04N7/56 , H04N21/4135 , H04N21/4223 , H04N21/4305 , H04N21/43632
摘要： A method of controlling transmission of data from a computer to a video client via an interface device, comprising: reading a register on the interface device to obtain a value indicating temporal proximity to an occurrence of a vertical blanking interval occurs, the value increased incrementally until a vertical blanking interval occurs, and then being reset; deriving a time value, the time value indicating the occurrence of a vertical blanking interval; sending an interrupt to a processor on the computer at the occurrence of the vertical blanking interval; and invoking code in response to an occurrence of the video blanking interval.
摘要翻译：一种控制数据经由接口设备从计算机传输到视频客户端的方法，包括：读取接口设备上的寄存器以获得指示垂直消隐间隔发生的时间接近度的值，该值逐渐增加直到发生垂直消隐间隔，然后复位; 导出时间值，指示出现垂直消隐间隔的时间值; 在垂直消隐间隔发生时向计算机上的处理器发送中断; 并响应于视频消隐间隔的发生而调用代码。

6. 发明申请

US20080250469A1 Synchronized transmission of audio and video data from a computer to a client via an interface 有权
标题翻译：音频和视频数据通过接口从计算机到客户端的同步传输
公开(公告)号：US20080250469A1
公开(公告)日：2008-10-09
申请号：US12079832
申请日：2008-03-28
申请人： Giovanni M. Agnoli , Andrew Yanowitz , John O. Abt , Samuel R. Bowman , James A. Delwiche , Jeffrey C. Dillon
发明人： Giovanni M. Agnoli , Andrew Yanowitz , John O. Abt , Samuel R. Bowman , James A. Delwiche , Jeffrey C. Dillon
IPC分类号： H04N7/173
CPC分类号： H04N21/43632 , G06F3/14 , G09G2350/00 , G09G2370/025 , G09G2370/10 , H04L47/30 , H04N19/152 , H04N21/4113 , H04N21/64707
摘要： A method for controlling data transmission between a computer and a video client via an interface, the method comprising: the computer polling the interface a first time to determine the size of the buffer on the interface; receiving a first buffer size value from the interface; sending a plurality of frames of video and audio data to the buffer on the interface such that a delay period exists between the sending of each frame; the computer polling the interface a second time to determine buffer size after the frames are sent to the interface; receiving a second buffer size value from the interface; and modifying the amount of time between the transmission of frames.
摘要翻译：一种用于经由接口控制计算机和视频客户端之间的数据传输的方法，所述方法包括：所述计算机首次轮询所述接口以确定所述接口上的所述缓冲器的大小; 从接口接收第一个缓冲区大小值; 将多个视频和音频数据帧发送到接口上的缓冲器，使得在每个帧的发送之间存在延迟周期; 计算机轮询接口第二次确定帧发送到接口后的缓冲区大小; 从所述接口接收第二缓冲器大小值; 以及修改帧传输之间的时间量。

7. 发明授权

US08838825B2 Synchronized transmission of audio and video data from a computer to a client via an interface 有权
标题翻译：音频和视频数据通过接口从计算机到客户端的同步传输
公开(公告)号：US08838825B2
公开(公告)日：2014-09-16
申请号：US13170101
申请日：2011-06-27
申请人： Giovanni M. Agnoli , John O. Abt , Samuel R. Bowman , James A. Delwiche , Jeffrey C. Dillon , Andrew Yanowitz
发明人： Giovanni M. Agnoli , John O. Abt , Samuel R. Bowman , James A. Delwiche , Jeffrey C. Dillon , Andrew Yanowitz
IPC分类号： G06F15/16 , H04L12/835 , G06F3/14 , H04N21/41 , H04N21/647 , H04N21/4363
CPC分类号： H04N21/43632 , G06F3/14 , G09G2350/00 , G09G2370/025 , G09G2370/10 , H04L47/30 , H04N19/152 , H04N21/4113 , H04N21/64707
摘要： A method for controlling data transmission between a computer and a video client via an interface, the method comprising: the computer polling the interface a first time to determine the size of the buffer on the interface; receiving a first buffer size value from the interface; sending a plurality of frames of video and audio data to the buffer on the interface such that a delay period exists between the sending of each frame; the computer polling the interface a second time to determine buffer size after the frames are sent to the interface; receiving a second buffer size value from the interface; and modifying the amount of time between the transmission of frames.
摘要翻译：一种用于经由接口控制计算机和视频客户端之间的数据传输的方法，所述方法包括：所述计算机首次轮询所述接口以确定所述接口上的所述缓冲器的大小; 从接口接收第一个缓冲区大小值; 将多个视频和音频数据帧发送到接口上的缓冲器，使得在每个帧的发送之间存在延迟周期; 计算机轮询接口第二次确定帧发送到接口后的缓冲区大小; 从所述接口接收第二缓冲器大小值; 以及修改帧传输之间的时间量。

8. 发明申请

US20110258675A1 SYNCHRONIZED TRANSMISSION OF AUDIO AND VIDEO DATA FROM A COMPUTER TO A CLIENT VIA AN INTERFACE 有权
标题翻译：通过接口将计算机的音频和视频数据同步传输给客户端
公开(公告)号：US20110258675A1
公开(公告)日：2011-10-20
申请号：US13170101
申请日：2011-06-27
申请人： Giovanni M. Agnoli , Andrew Yanowitz , John O. Abt , Samuel R. Bowman , James A. Delwiche , Jeffrey C. Dillon
发明人： Giovanni M. Agnoli , Andrew Yanowitz , John O. Abt , Samuel R. Bowman , James A. Delwiche , Jeffrey C. Dillon
IPC分类号： H04N7/173
CPC分类号： H04N21/43632 , G06F3/14 , G09G2350/00 , G09G2370/025 , G09G2370/10 , H04L47/30 , H04N19/152 , H04N21/4113 , H04N21/64707
摘要： A method for controlling data transmission between a computer and a video client via an interface, the method comprising: the computer polling the interface a first time to determine the size of the buffer on the interface; receiving a first buffer size value from the interface; sending a plurality of frames of video and audio data to the buffer on the interface such that a delay period exists between the sending of each frame; the computer polling the interface a second time to determine buffer size after the frames are sent to the interface; receiving a second buffer size value from the interface; and modifying the amount of time between the transmission of frames.
摘要翻译：一种用于经由接口控制计算机和视频客户端之间的数据传输的方法，所述方法包括：所述计算机首次轮询所述接口以确定所述接口上的所述缓冲器的大小; 从接口接收第一个缓冲区大小值; 将多个视频和音频数据帧发送到接口上的缓冲器，使得在每个帧的发送之间存在延迟周期; 计算机轮询接口第二次确定帧发送到接口后的缓冲区大小; 从所述接口接收第二缓冲器大小值; 以及修改帧传输之间的时间量。

9. 发明授权

US07970926B2 Synchronized transmission of audio and video data from a computer to a client via an interface 有权
标题翻译：音频和视频数据通过接口从计算机到客户端的同步传输
公开(公告)号：US07970926B2
公开(公告)日：2011-06-28
申请号：US12079832
申请日：2008-03-28
申请人： Giovanni M. Agnoli , Andrew Yanowitz , John O. Abt , Samuel R. Bowman , James A. Delwiche , Jeffrey C. Dillon
发明人： Giovanni M. Agnoli , Andrew Yanowitz , John O. Abt , Samuel R. Bowman , James A. Delwiche , Jeffrey C. Dillon
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： H04N21/43632 , G06F3/14 , G09G2350/00 , G09G2370/025 , G09G2370/10 , H04L47/30 , H04N19/152 , H04N21/4113 , H04N21/64707
摘要： A method for controlling data transmission between a computer and a video client via an interface, the method comprising: the computer polling the interface a first time to determine the size of the buffer on the interface; receiving a first buffer size value from the interface; sending a plurality of frames of video and audio data to the buffer on the interface such that a delay period exists between the sending of each frame; the computer polling the interface a second time to determine buffer size after the frames are sent to the interface; receiving a second buffer size value from the interface; and modifying the amount of time between the transmission of frames.
摘要翻译：一种用于经由接口控制计算机和视频客户端之间的数据传输的方法，所述方法包括：所述计算机首次轮询所述接口以确定所述接口上的所述缓冲器的大小; 从接口接收第一个缓冲区大小值; 将多个视频和音频数据帧发送到接口上的缓冲器，使得在每个帧的发送之间存在延迟周期; 计算机轮询接口第二次确定帧发送到接口后的缓冲区大小; 从所述接口接收第二缓冲器大小值; 以及修改帧传输之间的时间量。

10. 发明授权

US5251016A Chroma keyer with secondary hue selector 失效
标题翻译：带二次色相选择器的色度键控
公开(公告)号：US5251016A
公开(公告)日：1993-10-05
申请号：US880861
申请日：1992-05-11
申请人： James A. Delwiche
发明人： James A. Delwiche
IPC分类号： H04N9/75 , H04N5/275
CPC分类号： H04N9/75
摘要： An improved chroma keyer has a secondary hue selector for chrominance suppression of "blue fringing" effects. The second hue selector provides a second chroma key signal from a foreground video signal, with the selected hue being offset from that of a primary hue selector. A matte generator having a hue corresponding to the hue of a backing in the foreground video signal is modulated as a function of the second chroma signal. The modulated hue from the matte generator is subtracted from the foreground video signal to produce a modified foreground video signal. The modified foreground video signal is converted into a shaped foreground video signal. The shaped foreground video signal is combined with a shaped background video signal to produce a composited output video signal. The shaped background video signal is a function of a background video signal and a primary chroma key signal from the primary hue selector.
摘要翻译：改进的色度键控器具有用于“蓝色条纹”效果的色度抑制的次级色调选择器。第二色调选择器提供来自前景视频信号的第二色度键信号，所选择的色调与主色调选择器的色调偏移。具有与前景视频信号中背景色调相对应的色调的哑光发生器作为第二色度信号被调制。从前景视频信号中减去来自哑光发生器的调制色调，以产生修改的前景视频信号。经修改的前景视频信号被转换成成形的前景视频信号。将成形的前景视频信号与成形背景视频信号组合以产生合成的输出视频信号。形状的背景视频信号是来自主色调选择器的背景视频信号和主色度键信号的函数。

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