語音傳輸器 的英文怎麼說

中文拼音 [yǔyīnzhuànshūqì]
語音傳輸器 英文
audio transceiver
  • 語 : 語動詞[書面語] （告訴） tell; inform
  • 音 : 名詞1. （聲音） sound 2. （消息） news; tidings 3. [物理學] （音質） tone 4. （姓氏） a surname
  • 傳 : 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）...
  • 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 語音 : speech sounds; pronunciation; voice
  1. Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core. the speech codec optimizes g. 729a codes and added voice activity detection of g. 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information. but only get the frequency information is not enough in cpt detector, this thesis introduces a method

    其中對語音編解碼器的設計採用優化g . 729a代碼達到設計要求，並在此基礎上加入g . 729b的靜音檢測模塊，以進一步降低網路傳輸帶寬;對回聲消除器的設計採用nlms演算法，通過設計自適應fir濾波器和語音檢測器達到回聲消除目的;對雙音多頻設計，信號發生端採用構造靜態參數表並通過二階正弦振蕩器產生信號，信號檢測端提取頻率信息以檢測信號;對呼叫進程音設計，除了類似雙音多頻的信號發生及頻率檢測設計外，還需要檢測信號持續時間，作者設計了一種基於匹配狀態表的方法以檢測信號持續時間。
  2. Ip voice gateway is a node between the communication control unit and the server of trunking system in trunking system network. its duty is digital compress coding and packetization of the voice in trunking system. it located on the edge of the network and accessed the trunking system into ip network from the kernel network angle

    語音網關作為集群通信系統ip聯網的關鍵設備，它處于集群系統話路控制單元和集群系統服務器之間，起著語音壓縮、分組傳輸的重要作用;從網路的角度來看，它處于ip網路和集群無線通信系統之間，把集群通信系統接入ip網路。
  3. Specifically, this thesis includes the following work : the basic theory of speech processing and noise in speech reduce. we study the short interval character of speech signal and short interval process technology, and classify the noise and disturbance in wireless receiver terminal into 3 categories and present corresponding schemes

    本文針對高質量無線語音傳輸的需求，對語音處理及語音降噪的基礎理論、關鍵技術及降噪設備的實現方法展開研究，在此基礎上設計實現了無線語音通信降噪器實驗系統，並對實驗系統的降噪效果進行了測試。
  4. Because ip telephone systems employ the packet switching technology, the echo signals generated by the hybrid due to the impedance mismatch usually experience longer transmitting delay, which significantly decrease the speech communication quality

    對于ip電話系統而言，由於採用了分組交換技術，由2 / 4線轉換器阻抗不匹配而產生的回波在系統中傳輸的時延較長，這將加重回波對語音通信的影響。
  5. The fourth chapter is about how to realtime implement of audio codec in tm1300. after we optimize the code, we real time implement g. 723. 1 and g. 729a low bitrate voice codec. the fifth chapter discusses another important technology : real time transmit a - v data over ip network. we use c program language implemented rtf and we discusses the performance of rtp

    經優化后，我們實時實現了兩個低速率的語音編解碼器g . 723 . 1和g . 729a 。第五章是本文的另一個重點：多媒體數據的實時傳輸，介紹了我們用c語言實現rtp的方法及具體程序。並且討論了rtp對傳輸性能的影響。
  6. For the image acquisition of optical scan mode, normally, ccd image sensor is used to capture image, but in our system, due to the system request of micromation and high integration, cmos image sensor is adopted as the image collection device, and then the thesis gives a interface circuit between the chip and dsp and a control solution of image collection ; toward the information storage in our solution, dsp is directly linked to usb host chip and it is the dsp that accomplishes the processing of usb protocol and interface control so as to reduce the cost, minimize product cubage and consequently meet the requirement of system micromation ; at the same time, the thesis probes preliminarily into usb otg ( on - the - go ) technology, which offers an approach between embedded machines including pda, mobile phone, printer, digital camera and so on ; in addition, some attempts on the other application area with tms320vc5402 which was commonly used to voice processing and static image processing are done, for example, to arrange the chip to control lcd module directly

    在圖像的光電掃描輸入上，傳統方案大部分採用ccd型圖像傳感器，而在本方案中，根據系統微型化、高集成的特點，使用了cmos圖像傳感器作為攝像器件，並且設計了該晶元與dsp的一種介面電路以及圖像採集控制方案；在信息存儲上，本方案採用dsp直接與usbhost晶元連接，由dsp處理usb協議和介面信息，從而降低了系統成本、縮小了產品體積，滿足了系統微型化的要求；同時本論文也對usb - otg技術進行了初步探討，利用此項技術，不再需要計算機作為主機，就能實現在pda 、移動電話、印表機、數碼相機等嵌入式應用之間直接互聯通信；另外也對廣泛用於語音處理和靜態圖像處理的tms320vc5402其它方面的應用進行了嘗試，比如直接控制液晶顯示器等。
  7. In order to get high quality voice in spite of low - bandwidth, our system uses several kinds of voice compression algorithms, and it realizes the functions of voice activation and jitter compensation. on the other hand, we use some methods to make voice communication safe. the methods includes : filling traffic, encrypting voice datagram with conventional encryption algorithms ; encrypting session key with asymmetric encryption, multiple authentication

    為了保證通信鏈路不被分析，系統實現了一個通信量填充器；為了對傳輸中的語音數據包進行加密，系統提供了des 、 idea 、 blowfish和keyfile等各種常規加密方法；為了利用對稱加密的快速性和公開密鑰加密的方便性，系統只對會話密鑰進行公開密鑰加密。
  8. The signal handling and analyzing unit dispose of the sensor ' s output signal by amplifying, plasticisering, a / d transforming and measuring, then displays it digitally. at the same time, power speech alarm system and speech alarm system, speech alarm system will give alarm, and control the related equipment if it is necessary

    信號處理單元對傳感器輸出的信號進行放大、整形、 a / d轉換和測量等處理，並進行數字顯示，同時接通語音報警系統電路，語音報警系統進行相應的預警和報警，在必要時對相關設備進行自動控制。
  9. The analoge voice from the trunking system was pcm coded, compressed coded, packtized and then transmitted to the server by udp / ip link in the voice gateway

    語音網關把來自集群系統的模擬語音，經過pcm編碼，語音壓縮編碼，分組， rtp包封裝，經udp / ip鏈路傳輸到集群系統服務器。
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