video buffer 中文意思是什麼

video buffer 解釋
視頻緩沖器
  • video : n. 電視；視頻；影像。adj. 電視（用）的，視頻的，錄像的。
  • buffer : n 1 【機械工程】緩沖器，緩沖墊；阻尼器，減震器；消聲器。2 【化學】緩沖，緩沖劑。3 緩沖者；緩沖物...
  1. We analyze the cause of asynchronism in video surveillance and propose a method in which target buffer chains are employed to synchronize target features virtually

    文章分析了視頻監控網路中數據不同步的原因，提出了使用目標緩沖池鏈進行虛擬同步的方法。
  2. Research and implementation of video frequency buffer structure over linux

    的視頻緩沖區結構的研究和實現
  3. The scheme adjusts the audio frame length without impairing audio quality according to the occupied level of audio playout buffer and changes the playout frame rate of video according to the occupied level of video playout buffer to achieve intra - media synchronization of audio stream and video stream

    演算法分別根據音頻和視頻播放緩沖區的佔用水平，在不影響音頻播放質量的情況下調整音頻幀的長度，實現音頻流媒體內同步；通過改變視頻流的播放幀率達到視頻流媒體內同步。
  4. Buffer control of video coder based on r - q model

    模型的視頻編碼緩存控制技術
  5. With divx downloads, you get high quality video that never has to stream or buffer

    有了divx下載，閣下可以獲得既不需要串流處理也不需要緩沖的高質素錄影。
  6. A new bit rate control strategy with both global pre - allocation and local segmentation ( glas ) for low bit rate application is proposed. first, it allots bit date to every frame in advance according to possessive rate of buffer, and then distribute different quantization parameters according conctete detail. by means of this method, buffer is controlled more particularly. and the quality of decoded image is improved, the traditional video image coding method, that is to say, the intraframe coding based on dct and the interframe prediction coding based on motion compensation, is not suitable for low bit rate compression and aside from this, the encoder is too complicated

    它首先在總體上根據緩存器的佔有率給每幀預分配比特數，然後再根據具體細節給予不同的量化參數。使緩存器得到了更細致的控制，解碼圖像的質量有所改善。針對傳統的視頻圖像編碼方法，即幀內基於dct的編碼加幀間基於運動補償的預測編碼存在不適于低比特率壓縮，編碼器復雜等不足，討論了基於3 - ddct的xyz視頻圖像壓縮編碼方法，提出了3 - ddct系數的三維「 z 」形掃描方案，大大提高了編碼效率。
  7. The characteristic and key technologies of the system are as follows : ( 1 ) in realizing the live broadcast of audio and video, the problem of immense multimedia data and low networks bandwidth utilization ratio is solved by using mpeg - 4 as format of audio and video data. audio and video data are collected by video card cv500 which developed by beijing sum tone company ; meanwhile, the contradictory between the delay of networks transmitting and the quality of the image is well solved by setting a " bi - buffer area "

    系統實現中解決的關鍵問題和特色主要有以下幾個方面： （ 1 ）在視音頻直播功能的實現中，通過使用北京算通公司的cv500視頻採集卡和cv500sdk進行視音頻數據採集，並採用當今最新的圖像和語音編碼壓縮標準mpeg - 4作為視音頻數據的採集格式，既保證了圖像的質量，又大大縮減了視音頻所佔的帶寬，從而解決了多媒體數據量大、網路帶寬利用率低的問題；同時，通過設置環形緩沖區的辦法來調和網路傳輸延時與圖像質量之間的矛盾，取得了較好的效果。
  8. There are several advanced functions in control system of fed driving based on fpga. the special al875 can support multi - display format from qvga 、 vga 、 svga to xga in the digital rgb graphics and video frequency. using vga interface and d / a conversion technology, it can monitor data signal and control signal real time. the control of buffer storage carry out seamless link by double frame memory refurbish. osd can control menu and text to adjust state by double display

    完成的基於fpga的新型fed驅動控制系統具有幾種先進的功能:採用專用於rgb圖形/視頻信號數字化的al875晶元，可以支持從qvga 、 vga 、 svga到xga的多種解析度的顯示格式;採用vga介面技術和d / a轉換技術，用於實時監控整個系統中的圖像數據信號和控制信號;採用乒乓刷新控制機制對緩存進行控制，實現數據讀寫操作的無縫連接;採用osd在屏顯示單元，實現控制菜單、文本在屏幕上的疊加顯示。
  9. The main function modules discussed in this paper include : stream media protocols application model and realization, ts parsing module, audio / video decoder, audio / video synchronization model and realization, player memory buffer management module, multi _ task tech under uclinux. we also discuss the difference of the realization of stream media player between two defferent service types : broadcast tv ( btv ) and video - on - demand ( vod )

    從功能上，流媒體播放器主要包含幾個大的功能模塊:流媒體協議棧的應用模型及實現機制、多節目復用傳輸流（ ts ）的解析實現、音視頻媒體數據的解碼、音視頻同步機制的設計和實現方法、播放器內存管理模型的設計和實現、 uclinux下多任務的實時調度和高效數據交互技術等。
  10. Based on dct domain r - d analysis, we provide a new constant bitrate ( cbr ) rate control algorithm, which can cure tm5 algorithm " two limitations, buffer conformance and scene cut problem. for variable bitrate ( vbr ) rate control, we proposed a single - pass vbr rate control algorithm for real - time video coding application

    對于vbr碼率控制，作者還提出了一種面向實時視頻編碼應用的單通道vbr碼率控制演算法，它避免了多通道vbr演算法的多次編碼或預分析的開銷，減小了量化步長波動，可提供穩定的視頻質量。
  11. Broadcast the speed of the video according to your network, the buffer generally in 5 ~ 30 seconds can be broadcast out smoothly

    播放速度根據您網路帶寬大小而決定，一般在5 ~ 30秒的緩沖就能夠順利播放出來，請網友稍加等候。
  12. A video capture system accessing to buffer directly is designed

    開發了視頻捕獲系統，實現了視頻數據的直接內存訪問。
  13. Moreover, video control program to implement internal function of fpga is designed including video capture time sequence control, ping - pang frame buffer read and write time sequence control and lcd display time sequence control, and program ' s simulation and analysis is also provided. at last, this paper presents a portable iv ' s video processing system, and proposes three buffer strategy to control capture buffer. and a moving object detection algorithm of combing an adaptive background subtraction technique with a three - frame differencing is adopted

    設計了基於fpga系統結構的車載視頻顯示電路板；利用單片機io口模擬i2c時序，實現了視頻解碼晶元控制；利用fpga實現視頻控制，研究了採集通道時序控制、雙幀存ram讀寫時序控制及lcd顯示時序控制的方法，並進行了軟體模擬和分析；設計了車載視頻檢測系統方案，給出了管理採集緩沖區的三幀緩沖策略，採用綜合三幀差分和自適應背景相減的演算法實現運動檢測，連通體檢測去除虛目標，模擬實驗證明其有效性，同時分析了該演算法在dsp視頻檢測系統中的簡單實現方法。
  14. In the dissertation ， we discribe the implementation of large capability video data acquisition system based on pci bus of computer 。 the system is composed of data acquisiton card and corresponding software 。 the data acquisiton card include two acquisition channels ， 8 - bit digitization at rates up to 13. 5mhz 。 frist ， the architecture of the video data acqusition system is studied 。 then ， the function and implementation methode of each module are introduced in detail 。 the control module of the video data acqusition card is implemented by using of the isp technology of cpld and vhdl programming technology 。 the a / d converter used assembler to implement the initialazation programe 。 and the double buffer technology is used for large capability data acqusition. because a contiously large memory is difficult to apply in windows operating system 。 finally we use broland c + + to introduced the devleoping procedure of drivers 。

    在實際的研製過程中，利用cpld的在系統可編程（ isp ）技術和基於vhdl語言的可編程邏輯器件設計技術實現了視頻數據採集卡的控制模塊。在視頻的a / d轉換模塊，用匯編程序模擬i2c總線對初始化a / d轉換晶元。針對大容量數據採集，採用了雙緩沖技術解決wndows操作系統下難以申請到大容童連續內存的間題。
  15. If the device supports a video back buffer ; otherwise,

    如果設備支持視頻后臺緩沖區，則為
  16. The double - buffer technology saves memory resource, enhances memory efficiency ; the data - pulled technology improves the server ' s efficiency and performance, guarantees the video file to playback smoothly ; mpeg - 1 ensures the system ' s usability and feasibility ; directshow ensures the audio and video playback correctly ; the rtp / rtcp deals better with the system ' s real time. the pl vod system works normally on all sorts of mpeg - 1 streams

    雙緩沖區技術節省了內存資源，提高了內存使用率；客戶端拉技術提高了服務器的效率與性能，保證了節目文件的平滑回放； mpeg - 1多媒體壓縮標準保證了系統的通用性和可行性； directshowcom組件技術保證了音頻流與視頻流能夠正確回放； rtp rtcp協議較好地處理系統的實時特性。
  17. Double - sram buffer are used for video input and output and the logic - control elements are two cplds. in order to store and process more video signals, the author uses two sdram and a flash memory

    同時，為了使該系統能夠存儲和處理大量的視頻信息，作者還為dsp外接了兩塊大容量的sdram和一塊flash 。
  18. The pl vod system is developed by vc6. 0 using object - oriented method, which provides a solution for being video on demand mpeg - 1 file any time any where in lan and wan. it supports to be video on demand any mpeg - 1 file, video file ' s category, vcr function and all web browse. it applys the double - buffer technology, the data - pulled technology, the mpeg - 1 decode technology, the media - playback technology based on directshow com, and puts to use rtp / rtcp protocol

    本人採用vc6 . 0以面向對象方法開發了「 plvod 」視頻點播系統。系統提供了一套在局域網和城域網內並發地隨時隨地點播mpeg - 1視頻文件的解決方案。系統支持對任意mpeg - 1視頻文件的點播、支持對視頻文件的分類、支持vcr功能、支持客戶端全web的運用。
  19. In this paper, the streaming media technology applied to network video monitor system are researched on the basis of video streaming. the emphases are put on system design, video captures and play, and the design of network transmission module and relevant software development method. in fact, uality of service of the network has unstable characteristics, we have analyzed qos guarantee strategy in video streaming transmission on network, and presents a integrated qos guarantee scheme which based on data encapsulation, buffer storage technology and congestion control on network. this scheme do its best to avoid the big delay or congestion on network based on make full use of network bandwidth, which can guarantee the best qos of the video transmission

    重點討論了系統架構、視頻捕獲和播放、網路傳輸模塊設計以及相關軟體開發方法。同時，針對實際網路中存在的服務不穩定性特點，分析了視頻流在網路傳輸過程中的qos保證技術，並在系統中提出了基於數據封裝、緩存技術以及網路擁塞控制機制的綜合qos解決方案。該方案使系統在充分利用網路帶寬的情況下最大程度上避免出現大的延遲或擁塞，保證了視頻傳輸的最佳服務質量。
  20. Video memory error. the bios cannot write to the frame buffer memory on the video card

    圖像內存錯誤。 bios不能夠寫顯卡幀緩沖內存。
分享友人
分享到 Line

分享到臉書