synchronization of video and audio 中文意思是什麼

synchronization of video and audio 解釋
視頻音頻同步
  • synchronization : n. 同時;同時性;【物理學】同步,同期;【電影】同期[步]錄音,配音譯制。
  • of : OF =Old French 古法語。
  • video : n. 電視;視頻;影像。adj. 電視(用)的,視頻的,錄像的。
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • audio : adj. 【無線電】聽覺的,聲音的,音頻的;成音的。
  1. Audio - visual, video and television equipment and systems - control, synchronization and address codes - method of operation for pulsed cue tone control systems for two still projectors

    視聽視頻電視設備及系統.第5部分:控制同步和地址碼.第2節:雙片式投影儀脈沖音調控制設備操作方法
  2. 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。
  3. 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。
  4. Recently, advances in postprocessing mechanisms have been studied to improve lip synchronization of head - and - shoulder video coding at a very low bit rate by using the knowledge of decoded audio in order to correct the positions of the lips of the speaker [ 3. 36 ], figure 3. 2 shows an example of the block diagram of such a postprocessing operation

    最近,對改善在很低比特率時頭肩像視頻編碼的唇同步問題的后處理機制的研究已經取得進展,這種機制運用解碼音頻的知識校正講話者的唇位,圖3 . 2顯示了一例這類后處理過程的框圖。
  5. Second, this dissertation implements separately a mpeg - 2 video decoder and a dolby ac - 3 digital audio decoder based on software mode, and gives a audio & video synchronization algorithm based on audio - clock - benchmark in mpeg - 2 system decoder, whose feasibility and practicability have been proved by experimenting. it is an all - purpose algorithm, which can perform different decoder according to mpeg - 1 or mpeg - 2 system models, and can also be used for reference to the implementation of other multiplex stream decoders

    然後,論文實現了基於軟體方式的mpeg - 2標準視頻及ac - 3格式壓縮音頻的實時解碼與回放,並依據mpeg - 2系統解碼模型實現了一種基於音頻基準時鐘的mpeg解碼器的視音頻同步演算法,實驗證明該演算法可行、實用、通用性好,對符合mpeg - 1或mpeg - 2系統標準的視音頻解碼器均具適用性。
  6. This paper also presents a conference management pattern without mcu, making control and data separate. in order to enhance the bandwidth utilization factor, a multi - channel based transfer method, unicast plus multicast, is brought forward. in the end of this dissertation, we presents implementation methods, which guarantee the continuity and synchronization of video and audio when playbacking

    提出了一種無mcu的會議管理模式,實現了控制與數據的分離,所有的音頻混合及視頻切換功能均由客戶端計算機完成;提出了一種基於多通道的「單播+組播」傳輸方式,提高了系統的帶寬利用率;並給出保證視頻、音頻回放的連續性、同步性的實現方法。
  7. Based on the system, i discuss the method of developing net programs with delphi and introduce the software codec in windows and the software interface for codec, audio compression manager and video compression manager to perform real - time audio and video processing. audio captures and video captures based on directshow and video display based on directdraw are introduced. we also discuss the method of synchronization for audio and video and the method of developing own component with delphi

    重點討論了利用delphi開發網路程序的方法: windows環境下用於壓縮多媒體數據的音頻視頻軟體壓縮解壓縮器( codec )及相應的軟體介面音頻壓縮管理器( acm )和視頻壓縮管理器( vcm ) ;音頻採集技術和基於directshow技術的視頻採集技術;基於directdraw技術的視頻顯示技術;多媒體視頻會議系統中實現音頻和視頻同步的方法;利用delphi開發自定義組件的方法,並給出了相應的delphi程序實例。
  8. At last, the thesis puts its emphasis on the design and development of the digital monitor system with client / server framework. some key problems, such as the communication process between the client and the server, the alarm detecting and recording, the control of the remote devices, the synchronization between the audio and video in the playback and the implement process, are illustrated in detail

    論文重點討論的是數字監控系統中服務器和客戶端的設計與實現過程,詳細闡述了雙方的網路通信,論述了報警檢測和錄像過程,分析了對遠端設備的控制,討論了視頻回放中音視頻同步策略、視頻播放等內容。
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