電視數據壓縮 的英文怎麼說
中文拼音 [diànshìshǔjùyāsuō]
電視數據壓縮
英文
tv data compression- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 視 : Ⅰ動詞1. (看) look at 2. (看待) regard; look upon 3. (考察) inspect; watch Ⅱ名詞(姓氏) a surname
- 數 : 數副詞(屢次) frequently; repeatedly
- 據 : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
- 壓 : 壓構詞成分。
- 縮 : 縮構詞成分。
- 電視 : television; t. v. ; teevee
- 數據 : data; record; information
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Although stb just is a sort of terminal equipments of the tv signal transmission system, however pivotal technique involves the data demodulation, channel decode, transport stream de - multiplexing, audio and video signal decompression technique and real - time software technique with upriver data coding technique etc. therefore, software and hardware technology research and development of stb, which can increase usefulness with dependable of digital video signal and audio signal for study later make the theories preparation and backlog experience
機頂盒雖然只是數字電視傳輸系統的終端設備,但所用到的關鍵技術涉及到數據解調、通道解碼、傳輸流的解復用、音視頻信號解壓縮技術以及實時軟體技術和上行數據的編碼技術等。因此,通過對機頂盒軟、硬體的研究開發,既能為以後研究如何提高信息傳輸的有效性和可靠性作理論上的準備,也為圖像信號和音頻信號的數字化處理積累經驗。The vod is rapidly developing with computer technology ( especially digital compression and decompression of multimedia ) network communication technology ( especially stream media ) and tv technology
視頻點播技術是隨著計算機技術(特別是多媒體數據壓縮解壓縮技術) 、網路通信技術(特別是流媒體技術利電視技術而迅速新興的一門綜合性技術。The primary measures for control precept are : sufficiently and effectively utilizing the the air compressors " interior data, realizing online surveillance and alarming for failure of the the air compressors " running interior parts ; letting the air compressors running by master and slave manner, by reasonable arranging the alignment of the air compressors, making the masters yielding pressed air and the slaves adjusting the pressure of the air. this decreases the times of loading and unloading greatly and the decreased failure of air compressors and low maintain ; at the same time we adopt abundant value of the set pressure for stabling the compressure. the air compressors become loaded or unloaded ahead by the abundant value ; caning unloading control for saving power, when the air compressors get along with unloading for a while, the system will stop them ; consummating the purposes for control, enhancing offline control for over - press and low - press, continual loading control and unloading control
經過分析研究,針對原來存在的問題,在控制方案上主要的改進措施有:充分、有效地利用了空壓機的內部參數數據,對空壓機的內部部件的運行情況實現了在線監視及故障報警;對空壓機採用了主、輔結合的運行方式,通過對空壓機加、卸載隊列的合理排序,使空壓機自動實現主機產氣、輔機進行氣壓調節,減少了空壓機的加載和卸載次數;在壓縮空氣壓力的穩定上進行了裕量控制,在壓縮空氣壓力不到供能品質所規定的上、下根就根據一定的裕量提前進行卸載和加載操作;在節約電能方面對空壓機進行了卸載停機控制,當空壓機在一定時間內一直處于卸載狀態,系統就認為該空壓機沒有運行的必要,自動將其停機;完善了控制效果,增加了超壓低壓脫網控制、連續加載控制、連續卸載控制等功能。The card is a independent instrument which can do white - black video image digitization, eompresing, coding and transmit the compressed image data to host computer by rs - 485 bus, so the card can solve the bottle - neck problem of the video supervise system completely
該壓縮卡是一個獨立的視頻圖像壓縮和傳輸設備,它能直接對黑白電視信號進行數字化和壓縮編碼,並通過rs - 485總線將壓縮的圖象數據發送到上位機,徹底解決了視頻監控中的傳輸「瓶頸」問題。Video data will be compressed using motion picture compression technology before they are stored. comparing with the traditional recorder which uses magnetic tape as the storage device, this design is smaller in size and steadier
該系統由以高速dsp為核心處理器,採用電擦寫非易失性存儲器( flashmemory )為記錄體,使用先進的運動圖像壓縮技術完成視頻數據的記錄工作。And it has significance in multimedia communication, digital multimedia broadcast and portable consumer electronics etc. the real - time implementation of video coding requires very high computation power and memory bandwidth
它面向移動多媒體應用,對新一代移動多媒體通信、數字多媒體廣播、便攜式視聽消費電子產品等產業的發展具有重要意義。數字視頻數據壓縮的實時實現對處理器的計算能力和帶寬要求很高。Asf files can be highly compressed and can be delivered as a continuous flow of data ( on - line tv or radio )
Asf文件可以被高度的壓縮,並且可以作為一個連續的數據流(在線電視或在線廣播)來傳遞。In recent years, the research of image coding method has become one of the most active fields in information technology by way of the imp of communication, medium store, multimedia computer technology, etc. especially in 21st century, with the development of electronic and communicate technology, it is possible to realize the video telephone, meeting tv, signal tv, information high way and etc. on this occasion, it inevitably becomes one of the main tasks to seek after the effective image coding method
作為通信、介質存貯、數據發行、多媒體計算機等技術的關鍵環節,圖像壓縮編碼演算法的研究是信息技術中最活躍的研究領域之一,尤其是進入21世紀以後,電子技術和通信技術的發展使可視電話、會議電視、數字電視、高清晰度電視、多媒體計算機、信息高速公路等的生產和建立成為可能。在這一背景下,探索高效圖像壓縮編碼演算法無疑將成為主要任務之一,對其研究也將成為國際公認的熱點之一。With performance of up to 900 million floating - point operations per second ( mflops ) at a clock rate of 150 mhz, tms320c6711 is fit to tackle with the problem. this thesis made a deep research on the h. 263 standard and the tms320c6711. we propose the plan of the software and the hardware for the realization of the h. 263 protocol which include the structure of the whole program, the c code of the key algorithm of the h. 263, the c code of some subprogram, and the circuit for image processing with the tms320c6711 as the processor. furthermore, we optimize some subprogram in common use to make the coding more quickly. we encode a video sequence with the tms320c6711dsk successfully, even if the compression rate is as high as 100, video effect we get after decoding the code stream is satisfying
首先系統地研究了h . 263協議編碼器的基本演算法,句法,碼流結構和tms320c6711dsk的原理結構以及ccs2 . 0的開發環境;在系統的軟體方面給出了總體流程圖,對于h . 263協議編碼器的某些核心演算法和子程序,給出了部分源代碼,對于dsp的各種代碼優化方法進行了討論,並且對代碼進行優化,從而在提高系統處理速度的同時減少代碼大小和內存需求量;硬體方面以tms320c6711為核心處理器,提出了基於tms320c6711的圖像處理平臺的硬體實現方案,並給出了原理電路圖;最後在tms320c6711dsk上成功對視頻數據進行高壓縮比( 100倍以上)的編碼,對回傳的結果解碼后得到了令人滿意的效果。Some of them have set about this work. this article discusses the principles of digital tv studio technology according to the present situation and developing tendency of current tv systems, including the features of digital studio, the coding standards of digital signal, the compressing technology of video and audio signals and the utilization of computers multimedia technology in editing tv programs. it elaborates the designing methods, principles and puts forward several concrete disposition examples
本文僅根據目前高校電視節目製作系統的發展現狀及趨勢著重論述了數字電視中心的技術原理,包括數字演播室的特點、數字分量信號的編碼標準、視音頻信號的壓縮技術以及計算機多媒體技術在電視節目製作中的應用等內容,闡述了高校電視節目製作系統數字化的設計思路及設計原則,提出了具體的設備配置方案。By combining advanced video compression technology with simultaneous voice and data technology, we can expect researchers to make real inroads into video teleconferencing, particularly in video image and lag time
我們可以期待研究人員通過把先進的視頻壓縮技術和同步的聲音及數據技術相結合,真正進入電視遠程會議,特別是解決視頻圖像和滯后時間問題。分享友人