mpeg card 中文意思是什麼
mpeg card
解釋
解壓縮卡-
When we designed the system, we considered some key factors such as the system must deal with and store a great deal video and audio data, the capability of the hard disk in the server and client, hi the part of video compression, we choose the currently mpeg - 4 video constringent card to complete the collecting and compression of the video and audio signals
在論文研究與實用系統設計中，充分關注到大量視音頻數據的處理、存儲以及服務器和遠程客戶端的硬盤容量等關鍵因素，視音頻壓縮採用了最新的mpeg - 4視音頻壓縮卡進行視音頻信息的採集和壓縮。 -
The text puts forward to flow to send out the card of ts ' s mpeg - 2, it can solve the dvb - c inside program deliver to flow to connect into with coaxial cable net effectively
本文提出的mpeg - 2ts流發送卡，它能解決dvb - c中節目傳輸流與同軸電纜網的有效接入。 -
The tramsission rate exceed to the range of isa bus, moreovcr the pci bus can be competent for the rate request. the card makes use of the total line in pcicontroller, the slice of fifo, fpga and super - speed a data correspondence chip, which can solve the transmission stream and total line in pci connecting problem. and realizes the mpeg - 2 deliver to flow with establish outside delivers
此速率超過了isa總線所能支持的傳送速率，而pci總線能夠勝任這一要求，由此確定節目傳輸流發送卡採用pci總線。此卡利用pci總線控制器、 fifo晶元、 fpga晶元、高速串列數據通信發送晶元，解決傳輸流與pci總線之間的介面問題，實現了mpeg - 2傳輸流與外設的高速數據傳輸。 -
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。 -
Since then, jeilin has developed many important core technologies such as jpeg codec, usb device controller, high - performance image processor, dsc controller, memory card interface controller, ide interface controller, tv encoder, and mpeg - 4 codec, etc. with these core technologies, jeilin has successfully promoted cost - effective solutions for customer s products such as pc camera, web camera, dsc, photo card reader and digital picture frame
傑霖科技致力於影像與多媒體ic的設計與研發，已成功開發多種pc周邊控制晶片多媒體影音控制晶片及客戶委託之應用ic如通訊產品asic等研發。針對影像處理技術， jpeg codec壓縮及解壓縮技術mpeg 4 codec系統整合tv encoder介面技術usb 2 . 0介面技術及ide介面技術，皆有豐富的開發與整合的成功經驗，並極力推陳出新。 -
First, the system converts the received tv program signals into mpeg file with video capture card, cut the mpeg file into several short mpeg files according to the content of the program and establish index for them. then, it transports the short mpeg files to jukebox server. the jukebox server with responsibility for discs management, it record the program material into discs and provide service for clients visit the program online
系統將接收到的衛星電視信號通過視頻採集卡，把它採集成mpeg文件，再根據節目內容將mpeg文件分段成小的節目素材文件並建立檢索索引，然後將它傳遞到光盤庫服務器；光盤庫服務器負責光盤的管理，它一方面將節目素材文件刻錄到光盤上，另一方面為客戶機提供在線訪問服務；客戶端根據一定檢索條件進行檢索，獲得所需的節目素材文件，並下載到本地，本地的媒體編輯軟體直接對mpeg文件進行編輯，生成新的節目。 -
The focus is about the char device driver design used in the dvb receiving card and the drive development process in user space ; analyzing the dvb receiving system working principle and process under linux and providing a method to load the linux dvb receive card device drive into the linux kernel ; analyzing and implementing the firmware design of saa7146 chipset working with linux kernel and working characteristic in vrious working mode ; analyzing and implementing the frontend drive programing of the digital tv receive system ; realized the qam demodulation and the mpeg stream filter, so that the output stream can be used to playing on pc better. and this article designs an event management mechanism based on the mhp, which improve the linux dvb software system
重點研究了數字電視接收卡的字元設備驅動問題，闡述了用戶空間開發驅動程序的過程;分析了linux下數字電視接收系統的工作原理和驅動程序開發過程，給出了linuxdvbapi接收卡設備驅動程序加載到linux內核中的方法;研究實現了saa7146晶元配合linux內核共同工作的固件設計和不同工作模式下的工作特性;研究實現了dvb接收系統中前端驅動程序的編寫;設計實現了qam解調和mpeg流解復用，使輸出傳輸流較好地用於pc播放;同時，本文所設計的一種符合mhp規范的中間件事件管理機制，優化了linuxdvb軟體系統。
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