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video data encoding
Vertaling van "video data encoding" in Chinees
视频数据编码
Apple developed this proprietary set of video data encoding standards and compression specifications for digital movies and other video clips.
苹果公司开发的这种专有的一套视频数据编码标准和压缩规格数码电影和其它视频剪辑。
According to the example, the change of the encoding method provided by the invention to video data encoding (an encoded frame) and stream generation is described, thereby reducing a bit rate of the video encoding stream to be accessed, and decoding consumption.
由该例子的描述，说明本发明的编码方法对视频数据编码（编码帧）和码流生成的改变，从而带来的降低待访问视频编码码流的码率和降低解码消耗。
The main idea of the invention is to obtain an encoding stream having an I frame, a common P frame and a refreshment P frame by an encoded frame and the change of reference relation of the encoded frame in video data encoding, so as to further tag the stream and/or the encoded frame and reduce a bit rate; and to create an index for the encoding stream in advance for storage so as to directly locate a target frame by quickly creating the index.
本发明的主要思想在于，通过编码帧及其参考关系在视频数据编码的改变，获得具有I帧、普通P帧和刷新P帧的编码码流，进而进行码流和/或编码帧的标记，以便降低码率；预先为编码码流建立索引以存储，以便通过快速建立索引、直接定位目标帧。
Also, while the embodiment of this diagram shows bi-directional communication being capable between the communication devices 110 and 120, it is of course noted that, in some embodiments, the communication device 110 may include only video data encoding capability, and the communication device 120 may include only video data decoding capability, or vice versa (e.g., in a uni-directional communication embodiment such as in accordance with a video broadcast embodiment).
同样，该图的实施例显示通信装置110与120之间可进行双向通信，但毫无疑问应注意的是，在某些实施例中，所述通信装置110可仅具有视频数据编码能力，通信装置120可仅具有视频数据解码能力，或相反（例如，单向通信实施例，例如，视频广播实施例）。
Generally speaking, when considering a communication system in which video data is communicated from one location, or subsystem, to another, video data encoding may generally be viewed as being performed at a transmitting end of the communication channel 199, and video data decoding may generally be viewed as being performed at a receiving end of the communication channel 199.
一般来说，考虑视频数据从一个位置或子系统向另一个位置或子系统通信的通信系统时，视频数据编码一般可在通信信道199的发射端进行，视频数据解码一般可在通信信道199的接收侧进行。
However, for the reference relation, the refreshment P frame refers to the closest I frame located before the refreshment P frame, and the common P frame refers to the former encoded frame adjacent to the common P frame, and/or the closest I frame located before the common P frame in the video data encoding stream obtained by a video data encoding algorithm in the embodiment.
但是，只是在参考关系上，本实施例在经过视频数据编码算法而得到的视频数据编码码流中，刷新P帧参考位于其前面且距离最近的I帧，普通P帧参考与其相邻的前一个编码帧、和/或位于其前面且距离最近的I帧。
The video data encoding and index creation in the invention is exemplified in the embodiment below.
本发明的视频数据的编码和索引的建立，将在后面的实施例中举例说明。
FIG. 2 is a functional block diagram illustrating encoding and communication of a video stream by a wireless access device in accordance with an embodiment of the present invention. An encoder rate adaptation function or layer 200 is shown that, in combination with or as part of an encoder 204, is used by wireless access device 106 to provide an encoded video stream 202 to a video device 110/mobile video device 112 over a wireless channel 226. Generally speaking, when considering a communication system in which video data is communicated wirelessly from one location, or subsystem, to another, video data encoding may be viewed as being performed at a transmitting side of the wireless channel 226, and video data decoding may generally be viewed as being performed at a receiving side of the wireless channel 226.
图2为根据本发明一个实施例的通过无线接入装置进行视频流编码和通信的功能框图。如图所示，编码器比特率自适应功能或层200与编码器204一起，或作为编码器204的一部分由无线接入装置106用于为视频装置110/移动视频装置112在无线信道226上提供编码视频流202。一般来说，考虑视频数据以无线方式从一个位置或子系统向另一个位置或子系统通信的通信系统时，视频数据编码可在无线信道226的发送侧进行，视频数据解码一般可在无线信道226的接收侧进行。
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Synoniemen voor video data encoding in het Engels
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