音頻數據通信 的英文怎麼說

中文拼音 [yīnbīnshǔjùtōngxìn]
音頻數據通信 英文
voice data communications
  • 音 : 名詞1. （聲音） sound 2. （消息） news; tidings 3. [物理學] （音質） tone 4. （姓氏） a surname
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 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...
  • 通 : 通量詞（用於動作）
  • 音頻 : [物理學] [電學] audio frequency; vf （voice frequency）音頻電路 voice frequency circuit; 音頻振蕩...
  • 數據 : data; record; information
  • 通信 : communication; communicate by letter; correspond
  1. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下，通信頻帶資源緊張，音頻傳輸帶寬有限且復雜多變，而各種音頻數據又日益增多的局面，本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義，在前人不斷工作的基礎上，提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法，兼考慮了編碼效率、多碼率和壓縮時延多個方面，並在matlab環境下做了模擬實驗，對各種音頻信號及多種小波函數做了模擬結果比較，實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果，達到多碼率下實現實時編解碼的過程，在高速dsp晶元等硬體設備支持下，可以有效應用於實際復雜多變信源編碼。
  2. Furthermore, the network technique only support the voice service cannot meet the communication requirements of people. people hope to obtain multimedia service such as packet data, video and picture phone etc besides voice service. all these need operators and researchers to look after the mobile communication scheme which optimizes spectrum efficiency and expands system capacity to accommodate more users in major metropolitan markets

    此外，僅支持語音業務的網路技術已不能滿足人們對信息交流的需求，人們希望能隨時隨地獲取除語音之外的數據、視頻和圖像等多媒體業務，這些因素都促使運營商和研究者尋求頻譜利用率更高、通信容量更大的移動通信解決方案。
  3. The economic and technical drivers of integration ? information technology, virtually costless communications, the internet as an all - in - one platform for voice, video and data services and the accelerating pace of innovation in service as well as manufacturing industries ? are growing stronger

    全球一體化背後的經濟和技術推動力（信息科技、幾乎無成本的通信、集音頻、視頻和數據服務於一體的網際網路平臺，以及服務和製造業的加速創新）正日益強勁。
  4. The voice recording instrument adopts 8bit pcm and 4bit adpcm voice coding and decoding mode, can record the eight - channel voice signal simultaneously. it can save the recorded data in the flash memory or in the pc through the ethernet. the recorded voice signal data also can be played back

    該語音記錄儀採用8位pcm或4位adpcm語音編解碼方式工作，可實現8路音頻輸入信號同時錄音;能夠將錄制的數字語音數據存儲在nand型flash中或通過以太網介面上傳到pc機存儲;能夠將錄制的數字語音數據進行回放。
  5. It can provide many functions : the conversion between transfer formats, the conversion between communication protocols, the conversion between analog signals and digital signals, the conversion of control commands, real time audio code / decode, ip call control, control of rtp / rtcp, call detail logs, accounting and some of gatekeeper ' s functions such as address tansfer / search.

    它提供以下功能：傳輸格式間的轉換，通信規程間的轉換，音頻、數據格式轉換，呼叫控制信令的轉換，對pstn的呼叫控制功能， pstn電路交換功能，實時語音處理語音壓縮功能， ip網路呼叫控制功能，對實時對話協議rtp rtcp的控制功能，呼叫日誌，計費功能，還包括關守的地址翻譯搜索等功能。
  6. In order to overcome this shortcoming, a real - time communications system for pictures and music, based on vod and video - banking technologies has become available commercially. instead of transmitting pictures and music in the text format, it transmits data in encoded signals in proper order and regenerates them on a real - time basis. that is how long - time multimedia communications made possible

    為了克服上述缺點，現在推出了一種以vod ，視頻庫技術為基礎的圖象、音樂實時通信系統，它對圖象、音樂等不可以文本格式傳送，而是把編碼信號數據，依次進行傳送，並實時再生，這樣長時間多媒體通信就成可能。
  7. Bluetooth operates in the global available 2. 4ghz free ism band, its topology is the piconet. it implements the wireless communication with data and voice, by the combination of circuit switching and packet switching

    藍牙使用免申請2 . 4ghzism頻段，採用微微網作為其網路的基本單元，並採用電路交換技術和分組交換技術組合，實現語音和數據的無線通信。
  8. This telephone communication system can use the computer network to transmit and switch the data stream for the telephone subscriber in a high speed. in this paper the telephone termination of the telephone communication system which adopts the technic of the computer, electronic and communication is designed

    本文提出了利用計算機網路來實現電話用戶音頻數據流的高速傳輸及交換的計算機網路電話通信系統，從而研製了基於計算機技術、電子技術和通信技術的計算機網路電話通信系統的用戶終端。
  9. For digital audio encoding and decoding modules, delta - sigma modulation is introduced and audio data, preambles with accessorial data are multiplexed according to the digital audio interface standard ; for carrier wave, pll frequency synthesizer is used ; for frequency modulation, voltage control oscillator is taken ; for demodulation, pll frequency discrimination is adopted

    調制方式，並按照數字音頻介面標準對音頻數據、同步字和附加信息進行通道復用;對于載波信號，採取鎖相環頻率合成技術手段;對于頻率調制，採用壓控振蕩器;對于解調電路，採取鎖相環鑒頻電路。
  10. This thesis presents a new audio digital watermark algorithm based on has model. the steps : first, it classifies the signals through fft ; second, calculating the tones, noise and the overall masking threshold of different phases through has, and changing the energy value of tones which are more than that of the overall masking threshold to embed the watermark information

    提出了一種基於人類聽覺系統（ has ）模型的音頻數字水印演算法，該演算法首先對信號進行分段離散快速傅立葉變換（ fft ） ，再根據人類聽覺系統模型計算出各段的類純音、類噪音以及各段的總體掩蔽閾值，通過改變大於總體遮蔽閾值的類純音的能量值來嵌入水印信息。
  11. In data communication, the addition of equipment to a leased voice - grade channel to provide minimum values of line characteristics required for data transmission

    在數據通信中，在租用的音頻通道上增加設備以提供數據傳輸所要求的線路特性的最小值。
  12. There ’ re some shortcomings in the past audio system. firstly, audio channel is connected with an audio cable ; secondly, the installation in multi - room or long distance environment is complex ; thirdly, extra hardware and cable is needed in the management and monitoring of the audio content ; lastly, the audio routing is manually operated or by expensive audio routers, also, the reconfiguration of the audio system is complicated and time - consuming. in comparison with the past audio system, audio and control data can coexist in cat - 5 cable using etheraudio router ; the devices can be separatedly monitored through the ethernet ; audio can be transmitted to single destination or different destination ; audio routing can be easily finished by modifying address

    傳統的音頻系統中，音頻軌道都要與一條音頻電纜相連;多房間、長距離安裝復雜;音頻內容的管理和監控都需要附加硬體設備和電纜;音頻路由需要人工接線或昂貴的音頻路由器，系統的重新配置也是復雜而耗時的過程。 etheraudio音頻路由器可以利用5類線同時傳輸音頻和控制數據;音頻設備可以通過以太網獨立監控;音頻數據可以傳輸到單個或多個目的地;音頻路由可以通過更改地址信息輕易地完成。
  13. The key technology of multimedia application is digital video, that is to say the key technology of the use of multimedia is solute the conflict of the data and the narrow networks, the solution of which is compress. so the encoding of video is the key technology of information field

    因此數字視頻技術是多媒體應用的核心技術，也就是說多媒體技術獲得使用的關鍵技術之一就是解決視頻、音頻數字化后數據量大與數據存儲媒體和通信網容量小的矛盾，其解決的途徑就是壓縮，因此對視頻編碼的研究已成為信息技術領域的熱門話題。
  14. Internet phone realizes the high - speed transmission and exchange of telephone subscriber ' s audio frequency dataflow by utilizing the existing computer network to make up the communication network of the telephone

    Ip電話是利用現有的計算機網路組成電話通信網路，實現電話用戶音頻數據流的高速傳輸及交換。
  15. There are a lot of signals transmitted in the optic fiber communication system, such as : video, audio, data, telephone or other user - defined signals. if one fiber transmites one signal, it will take a lot of money. it is necessary to take multiplexing in order to make use of optic fiber effectively and reduce the cost

    在光纖通信系統中要傳輸的信號有許多種，如視頻圖象、音頻、數據、電話或其他用戶自定義的信號，每種信號分別用一條光纖線路來傳輸，必然價格昂貴，所以為了提高光纖的利用率，降低成本，必須將各種信號進行復用。
  16. Bluetooth wireless technology uses the globally available unlicensed ism radio band of 2. 4ghz and its topology is best described as a multiple piconet structure. it implements the wireless communication with data and voice, by the combination of circuit switching and packet switching

    藍牙使用免申請2 . 4ghzism頻段，採用微微網作為其網路的基本單元，並採用電路交換技術和分組交換技術組合，實現語音和數據的無線通信。
  17. Our system is supported by a strong background multimedia database and has several characteristic query methods. it integrates various of dynamic query technologies of the single - condition query, multi - condition combination query, directory tree navigating query, and with a individual material database for every user. background multimedia material database can self - expanded during interactive operating with web users time after time

    后臺多媒體素材數據庫能很好的支持各種媒體信息（如文本、圖像、音頻及視頻等）的管理維護，而且通過前臺網頁與用戶的交流可以不斷地擴充多媒體素材數據庫信息，建立一個更加完善的面向高校教學育人的網站。
  18. Science and technology develops rapidly in the 21 th century, especially technologies of computer, communication and internet, the audio - visual information technology makes people exchange, search and transfer information more efficienctly, which is the perfect work of digital coding technology

    隨著科學技術，特別是計算機技術、通信技術和internet網路的飛速發展，無庸置疑，視聽信息成為人們迫切需求的主流信息，在視音頻數據內容的檢索、交換和傳遞等過程中，時刻都要應用數字編碼技術。
  19. It has put forward a kind of method of self - adaptation based on motion characteristic to correcting error code. finally, based on the rtp protocol, real - time transmission of video and audio data is realized with software, and a bandwidth control algorithm based on rtp is introduced. the research results of this paper can be used in the long - distance education, video conference, videophone, video real - time control, and various kinds of communication systems

    接著討論了糾錯編碼，採用rs編碼作為前向糾錯碼，提出了一種基於運動特徵的自適應誤碼掩蓋方法，並採用rtp協議進行視音頻數據的實時傳輸及帶寬控制，本文的研究成果可以直接用於遠程教育、視頻會議、可視電話、視頻監控等各種通信系統，具有較大的研究價值及廣泛的實用價值。
  20. The net go toes the teaching to have already become a main current direction that develop of education ; the teaching on the network have broken restricts in time and areas, share profits to use the resources advantage of the school, and is a kind of exploitation network to proceed teaching of gathering voice images video data in the hand overing of integral whole with each other remote education courseware ; user can view the multi - media teaching by interview the hypertext pages ; is a kind of method of sharing the information means, conveniently and quickly

    基於internet的現代遠程教育通過構建一個開放性的教育環境，克服了傳統教育在時間、空間上的限制，對于有效地發揮現有各種教育的資源優勢，實現資源的合理配置，發展教育事業起著非常重要的作用。網上教學已成為教育發展的一個主流方向，充分利用學校的資源優勢。網路課件是一種利用網路進行教學的集語音圖像視頻數據於一體的交互遠程課件；可以使用戶通過訪問超文本頁面瀏覽多媒體教學；是一種方便迅速的共享信息手段。
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