音頻傳輸制 的英文怎麼說

中文拼音 [yīnbīnzhuànshūzhì]
音頻傳輸制 英文
voice transmission system
  • : 名詞1. (聲音) sound 2. (消息) news; tidings 3. [物理學] (音質) tone 4. (姓氏) a surname
  • : 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...
  • : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • 音頻 : [物理學] [電學] audio frequency; vf (voice frequency)音頻電路 voice frequency circuit; 音頻振蕩...
  1. 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

    該語記錄儀採用8位pcm或4位adpcm語編解碼方式工作,可實現8路入信號同時錄;能夠將錄的數字語數據存儲在nand型flash中或通過以太網介面上到pc機存儲;能夠將錄的數字語數據進行回放。
  2. 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:格式間的轉換,通信規程間的轉換,、數據格式轉換,呼叫控信令的轉換,對pstn的呼叫控功能, pstn電路交換功能,實時語處理語壓縮功能, ip網路呼叫控功能,對實時對話協議rtp rtcp的控功能,呼叫日誌,計費功能,還包括關守的地址翻譯搜索等功能。
  3. This dissertation has discussed the r & d process of a broadcasting system based on network for fire fighting. this broadcasting system is based on the lan, and it has used the technology of voip. it has implemented the network speech communication by packet switching, and it has removed the shortcoming of the traditional broadcasting system which is based on circuit

    本文系統的論述了網路消防廣播系統的研製過程,該系統基於tcp / ip局域網路,利用了voip的相關技術,採用分組交換的原理來實現語的網路,易於擴展,不受距離的限,消除了統基於電路消防廣播的弊端。
  4. It realizes the functions of storing and transferring the information of fire alarm, displaying time, scanning keyboards, the safe maintenance of system and so on. the part of wireless communication is controlled by at89c2051 mcu, mainly realizing transmitting and receiving data between controller and other detectors. the external signals received by a wireless module are transmitted to mcu through shaping circuit, and the signals of mcu are transmitted by a wireless module through tone modulation circuit

    人機交互部分以單片機c8051f020為核心,為用戶提供一個良好的操作環境,實現了火災報警信息的存儲及調用、時間的顯示、鍵盤的掃描、系統的安全維護等功能;無線通信部分由單片機at89c2051來控,主要實現控器與其它探測裝置之間信號的無線發射和接收,無線通訊模塊接收到的外部信號經過整形電路送入單片機,單片機發出的信號經過調再由無線通訊模塊發送出去,這樣實現了數據的無線;本文還從節能的角度出發,兼顧性能的可靠性,提出了一種合理的無線火災報警的信息模式。
  5. People can get almost information through the internet. this gives rise to serious problems including wide spread copyright violation, illegal copying, easy forging etc. these problems are rooted from the intrinsic features of the digitally formatted information : ( 1 ) making copies is easy and inexpensive ; ( 2 ) each copy is exactly identical to the original ; and ( 3 ) distribution of the copies ( e. g. via network or floppy ) is easy and fast

    多媒體數據的數字化為多媒體信息的存取提供了極大的方便,同時也極大地提高了信息表達的效率和準確性,如數字信號很容易進行編輯,可以方便、便宜、無失真地被復,數字聲、文本、圖像和視易於通過電子的(網路)或物理的( cd - rom )系統低價高效地迅速和分配等。
  6. These digital media including images, characters, audio and video digitalized works are easy to store, design, transmit and duplicate, and accelerate communication and transmission of knowledge and information. while it offered convenience to some illegal persons who can distort, attack and pirate the achievement maliciously at the same time

    這些數字化的圖形、文字以及、視作品的易存儲加工、易的優點加快了知識與信息的交流與播,但同時也為一些非法者提供了惡意篡改、攻擊、盜用他人勞動成果的便利條件。
  7. Transmition velocity relys on the style of encode and modulation essentially during modern data transmition for the quality of using line bandwidth and the immunity of code ties on them tightly. but it is important that the velocity of data transmition reaches its limitation in fact for the interface of environment and cross - talk. so for the improvement of transmition velocity, we must analyze the characteristics of noise signal and the model of line deeply and then take some useful measures to better the immunity of modulation wave

    在現代通信的數據過程中,速率本質上是由的編碼方式和調方式決定的,因為編碼方式和調方式直接決定了線路帶利用率和碼元抗干擾能力的好壞,因而直接決定了速率;但是在實際應用過程中,數據速率是不可能達到理想狀況的,因為環境干擾、串干擾等因素的存在使得線路的帶不可能被完全利用起來;因此,必須認真分析線路的噪聲信號的特性以及噪聲線路的模型,以便在編碼方式和調方式中針對性的做一些改進措施以改善調波形的抗干擾能力,使得速率能夠進一步提高。
  8. 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

    統的系統中,軌道都要與一條電纜相連;多房間、長距離安裝復雜;內容的管理和監控都需要附加硬體設備和電纜;路由需要人工接線或昂貴的路由器,系統的重新配置也是復雜而耗時的過程。 etheraudio路由器可以利用5類線同時和控數據;設備可以通過以太網獨立監控;數據可以到單個或多個目的地;路由可以通過更改地址信息輕易地完成。
  9. Hdmi series is specially used to switch, distribute, convert and transmit hdmi signal with digital high definition.

    Hdmi信號hdmi信號系列產品是用於將數字高清hdmi信號視信息進行切換分配轉換和的設備。
  10. 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、多節目復用流( ts )的解析實現、媒體數據的解碼、同步機的設計和實現方法、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。
  11. The basic characteristics, framework, principles of dominant parts and application of those are studied and illustrated. at the last chapter, by devising a short - wave radio station aforementioned fundamental theories are put into practice especially digital modulation, demodulation, ddc and dug etc. the implement framework and design method of sdr are discussed by data transmission of voice including dug modulation in transmit module and ddc demodulation in receive module. moreover, satisfied results are obtained by validation on the sb3410 platform in bluewave system

    針對論文設計中用到的兩個比較重要的器件hsp50214b下變器和hsp50215上變器,作了較為深入的研究並給出了詳細的描述,包括基本特徵、框架結構、各主要部分原理及在設計中的應用;在最後一章,通過設計一個短波無線電臺,將前面的基礎理論尤其是數字調、解調及數字上、下變等應用於實踐中,通過實例討論話數據的軟體無線電實現結構及設計方法,包括發射模塊中的上變調和接收模塊中下變解調等,並在bluewave系統的sb3410平臺上運行驗證,取得了較為滿意的結果。
  12. Finally, this essay explains how to implement teleconsultation system from three steps : booking, patient inquiry and teleconsultation. the client server records patient information and make a reservation for patient ; the centre arranges the consultation time after receiving client ’ s information through data server and client can inquiry the process ; during the consultation, it hightens the quality of video frequency by using adaptive transporting. improve the real - time audio and video transmision quality, the effect is good

    遠程客戶端記錄病人基本資料,進行會診預約;中心端通過數據服務器接收病人信息後作出會診安排,然後遠程端可以查詢會診安排;會診過程中,兩端的視採用自適應控演算法進行質量控,有效的提高了實時質量,遠程會診效果比較理想。
  13. On the basis of analyzing the old system and theory, the element circuits of wireless digital audio transceiver modules are designed in detail including the digital audio encoding and decoding circuits with the surrounding circuits, the fsk circuit based on pll frequency synthesizer, the power amplifier circuit, the frequency discrimination and agc circuit

    在分析原系統結構和理論的基礎上,完成了整個無線數字模塊各單元電路的設計。主要包括有數字編碼和解碼電路及外圍電路的設計、基於鎖相率合成器理論的fsk電路設計、功率放大器的設計、鑒與agc控電路的設計。
  14. At first the article puts emphasis on analyzing those current network ip technology, various audio codec algorithms, realtime stream medium transmit technology and those process mechanism of realtime low bandwidth audio stream medium, etc. in allusion to high requirement of system, resulted from so many terminations of attending a lecture, rate of flow, bad situation of network and realtime interactive voice, a new algorithm and the relevant project of processing low bit - rate audio stream was brought forward

    本文著重分析了當前網路方面的ip技術,各種編碼演算法,實時流媒體技術,實時低帶寬流媒體的處理機等等。針對網路實時應用中諸如客戶端眾多,各種多媒體數據流量大,網路狀況差,語交互實時性等方面較高的要求,提出一種新的實時低帶寬流處理演算法及相應的處理方案。
  15. However, there are some questions about instant messenger : firstly, instant messengers existed ca n ' t support to draw instantly graphs for communicating with others because there is no environment to draw graphs in the local computer in instant messengers. secondly, or can do it, but for transferring too large picture encode data, the instant messengers are only running in local area networks, not in internet

    現有的即時通信系統在支持圖形即時雙向交互方面還存在著如下問題: ( 1 )不能支持基於圖形的即時通信,在即時通信系統中缺少即時繪圖形的環境,只支持基於文字、文件、語和視的通信; ( 2 )部分支持基於圖形的即時會話的系統,的數據是圖像壓縮數據,單位時間內的數據量大,不適合在開放網際網路上廣泛使用。
  16. The article introduces the methods to realize the video recording functions, including choosing program and recording program. it also introduces the ways to implement the video playing function, such as the ts stream transporting directory, timing mode, and av synchronization

    對于節目錄功能,文章討論了節目選擇、節目錄的實現方法;對于節目回放功能,文章討論了節目ts流的路徑、定時模式、視同步等問題。
  17. The system realization mainly includes the realization of recording, playing, coding - decoding, compressing and rtp of the audio as well as video capturing, replaying, etc. those problems of audio - compressing technology, audio - delaying, audio - jitter, echoing and voice activity detection which influence the audio quality have also been discussed and dealt with

    其中系統實現主要包括語的錄、播放、編解碼、壓縮、實時協議等的實現以及視採集、回放等。對影響語質量的語壓縮技術、語時延、語抖動性、回聲以及靜等問題進行了探討和處理。
  18. 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協議進行視數據的實時及帶寬控,本文的研究成果可以直接用於遠程教育、視會議、可視電話、視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。
  19. As the information era proceeds, highly developed digital image processing technique and communication technique make multimedia communication possible, and it is now on the way of progress. video conference have received more attention as an example of multimedia. in this paper we first describe the construction and characteristic of the video conference system and analyze the theory of protocol with itu - t h. 323 recommendation which inculde video and audio codec standard, communication control protocol h. 245. call signalling protocol h. 225, as well as procedures within these protocols define how these components communicate. also an experimental video conferencing system is designed and some relating key technologies are studied, which include multithread programming, transmission technology, mcu technology, qos mechanism and so on. especially, a video codec based on h. 263 recommendation with high fram rate as well as high compression ratio is researched and implemented because of importance of video application, which solves the bad image reconstrction quality problem existed in the most present video systems that adopt h. 261 video compression algorithm. by using these technologies. a video conferencing system is implemented based on lan. the system that the paper provides is easy to implement and the results of exmperiment is good. such system can be widely used in the fields such as business conference, distance education etc. and it is of good practical value

    隨著信息時代的前進,數字圖像處理技術和通信技術的高度發展,多媒體通信已成為可能並已初具規模,視會議作為它的一個具體應用實例受到普遍關注。本文首先對國際電信聯盟itu - t定的基於分組交換的多媒體通信h . 323系列建議進行了闡述,其中包括ip網路視會議系統的結構組成、視標準、標準、系統的信息碼流、通信控協議h . 245和呼叫信令協議h . 225以及會議系統的進行過程。在此基礎上給出了ip視會議的實現的整體框架,為系統的軟體實現進行了模塊的劃分和整體設計,分析了各個模塊的功能、作用。
  20. This thesis adopts 8psk / qpsk modulation mode that ' s widely applied in short - wave communication to research all - digital blind receiver in burst mode based on software radio technology. then related solutions are given for the doppler frequency shift problem and multiple fading problem in short - wave channels. the arrangement of the thesis is below : chapter 1 gives brief description for the new technology and new systems of short - wave communication and for the development and appliance of software radio

    本文採用短波通信中應用廣泛的8psk qpsk調方式,研究基於軟體無線電技術的突發模式全數字盲接收機,並對多并行及慢速中存在的多譜勒大偏問題、單串列、高速數時在短波通信鏈路中發生的干涉衰落問題做了研究,提出了相應的解決方案。
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