audio card 中文意思是什麼

audio card 解釋
聲卡
  • audio : adj. 【無線電】聽覺的，聲音的，音頻的；成音的。
  • card : n 1 紙牌；〈pl 〉紙牌機。2 卡片（紙）；明信片；請柬；入場券；名片。3 節目單；程序單；戲單；菜單；...
  1. The audio frequency hardware card

    Sn - 6004av系列視音頻硬體壓縮監控錄像卡
  2. A card chinese red army soldier 8 groups video frequencies, do not have audio frequency, the h. 264 compression way, the single system supports 24 groups

    一卡八路8路視頻無音頻， h . 264壓縮方式，單系統支持24路。
  3. 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。
  4. Rate card goods and services are generally provided for hire during the games period, and typically include : telecommunications, office equipment and technology, audio visual, motor vehicles, furniture, fittings and equipment, white goods, medical equipment and sundries

    費率卡物資和服務主要供奧運會期間使用，典型的包括，電信、辦公技術設備、聲像設備、汽車、傢具、設備裝置、白色家電、醫療設備和雜物。
  5. The bridge can continue push the dvb - c transport stream coming from the receive card to the universal media player to display online. in order to be compatible with the data rate in the bridge, the parser must have these functions : identifying the format of each elementary stream ( es ) ; repacketing the es frames or packets into small samples ; timestamping each sample for decoding and delivery by the arithmetic of getting the pts of an audio frame

    音視頻解析器的設計兼容了橋接器對數據推送的速率，在該解析器中通過「解析音視頻基本流」演算法來識別出每一個流的格式、每一幀數據，並對這些數據重新打包成一個個數據sample ，再通過「音頻pts的獲取」演算法給這些sample打上正確的「 directshow 」時間戳，最後在相應的輸出pin上進行發送。
  6. The system, not only has necessary ethernet interface, audio and video output, keyboard mouse connection interface, but also has hard disk ide, cf card and infrared interfaces which improves the system expansion ability

    系統中除了設計必備的以太網路，音視頻輸出，鍵盤鼠標介面等，還提供了硬盤ide ， cf卡和紅外等介面，提高了系統的擴展能力。
  7. Firstly, on the base of analyzing psk ' s theory and audio - card ' s constitute and data transfers, bdpsk and qdpsk soft - modulation and soft - demodulation systems based on audio - card are studied and implemented, including generating digital carrier sequence, synchronizing carrier, designing filter, sampling and judging, etc. the system adopts coherent demodulation method, synchronizing carrier adopts costas loop

    本文首先分析了調相信號調制解調的基本理論和多媒體計算機（ mpc ）聲卡組成原理及數據傳輸等方面的內容，然後研究並實現了基於計算機聲卡的bdpsk和qdpsk信號軟體調制解調系統，內容包括數字載波序列的產生、載波同步、濾波器設計，信號的抽樣判決等。
  8. Underlying audio format for the internet does not allow the use of 24 - bit data, and the sound card of the reader would have to be able to render 4g. the operating principle should be crystal now

    不過要注意的是， 24 - bit格式的資料並無法在網際網路上應用，你的聲卡必須具備支援4g的能力才能使用，這樣子你明白了吧。
  9. In addition the paper details the programming of the system including the rule of the coding, the forming of rf signal, the determination of the time of transmitting and the use of audio card

    另外本文也對系統的程序實現做了認真的研究，涉及到編碼的具體規則，射頻信號的形成，發射時刻的確定及聲卡的使用等。
  10. 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。
  11. At last the audio - visual filter can get and regroup the pcm audio data which transformed into the time - frequency signals by the fft. at the same time the power spectrum can be displaying on the windows by using the win32 api functions. finally the test of this system shows the processes about transport stream of receiving in the collecting card, pushing in the bridge, separating in the parser, displaying in the audio - visual filter are satisfied with the data rata at the server

    音視頻效果filter內部通過獲取解碼后的pcm格式數據，並利用緩沖管理器對這些數據進行重新分組，然後對分組后的數據進行fft變換將時域信號變換到頻域之中，同時對變換后的數據作數學處理后得到其功率值，最後利用api畫圖函數對這些功率值進行了實時的特殊效果顯示。
  12. When at all possible verify that in “ device manager ” “ view / resources by type / interrupt request ( irq ) ” that your audio card is sitting on its own irq number and that this number is not assigned to any other devices

    在「設備管理器」中選擇「按種類排列/中斷請求」 ，確定你的聲卡有自己的中斷請求號碼，且此號碼與其他設備無關。
  13. Ddr256m others : video card net card multi - media could be made at the request of customers ; open the side door to expose optical drive, floppy disk drive, atx switch and audio switch

    其他顯卡網卡多媒體配置可按用戶要求定製側開小門，打開后可露出光驅，軟驅， atx開關及音響調節開關
  14. Audio and video processing card

    音頻視頻處理卡
  15. So, audio collecting and processing card can sample audio frequency range from 50 hz to 6khz with g. 722. 1 audio coding

    採用了g . 722 . 1這種高質量、低碼率的寬帶語音編碼，使採集卡能夠完成對50hz到6khz之間連續變化的音頻進行採集。
  16. The audio information is sampled and measured and coded by the dsp card. the process speed is quick. there are a filter circuit, a power check circuit and a range - frequency characteristic check circuit which are designed to check the system status

    在硬體上，採用dsp語音處理技術，由高品質的dsp2000音頻卡進行音頻信息的採集、量化和編碼操作，不但提高了音頻的質量，也提高了音頻處理的速度。
  17. Audio may stutter on certain systems running windows nt. to correct this problem you must install the latest audio driver for your sound card

    在運行windowsnt的系統上，聲音可能出現不連續的現象。為你的聲卡安裝最新的驅動可以解決這個問題。
  18. Llgp boots very quickly, in about 10 to 15 seconds, but sometimes kde is loaded before the sound - card modules, so audio is not properly initialized

    Llgp啟動速度非常快，只需要約10到15秒，但是有時kde是在加載聲卡模塊之前進行加載的，因此音頻可能沒有正確進行初始化。
  19. Your sound card or sound controller is not configured properly. try changing the audio output device associated with the player

    你的聲卡或者聲音控制器配置不正確.嘗試改變與播放器聯接的音頻輸出設備
  20. At last, it gives the results of modifications. this paper gives some results as follows : ( 1 ) a practical system design of " i - radio machine " is provided ; ( 2 ) gui of linux is explored and realized by programming ; ( 3 ) the continuity of audio decoding is solved ; ( 4 ) the kernel and root file system of embedded linux are built ; ( 5 ) device driver of serial port and audio card are modified, so hardware are best supported

    本文得到了如下一些結果： （ 1 ）提出了一個實際可行的「 i - radio機」的系統分析設計方案； （ 2 ）對嵌入式linux的圖形界面進行了探索和編程實現； （ 3 ）解決了對音頻節目解碼播放的連續性問題； （ 4 ）構建了嵌入式linux的內核映像與根文件系統； （ 5 ）修改了串口與聲卡的驅動程序，更好地支持了所選擇的硬體。
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