digital speech 中文意思是什麼

digital speech 解釋
數字式語言
  • digital : adj. 1. 手指的；指狀的。2. 數字的，數據的。n. 1. （鋼琴等的）琴鍵。2. 手指。
  • speech : n. 1. 言語；說話；談話；說話能力（或方式）。2. 民族語言，方言，專門語言；〈罕用語〉流言。3. 演說，演講；發言。4. 【語言學】詞（類）；引語；用語。5. （樂器的）音，音色。
  1. Digital speech technology has been widely used in many fields of communications in recent years, but it is just at beginning to use acoustical wave to implement underwater digital speech communications, which mainly results from the bandwidth - limited underwater acoustic communications channel and its high temporal and spatial variability

    目前，數字語音技術已廣泛應用於許多通信領域，但是在水下利用聲波進行數字語音通信卻是剛剛起步的新技術，這主要是由於水聲通道有限的通信帶寬及其時變、空變等特性所決定的。
  2. The hardware of the ip phone codec to be designed is based on the fixed point digital signal processor ( ti ' s tms320vc5410 ) while the compression and decompression core in the software of dsp is based on the itu - t vg. 729a. ip phone codec carryout the task of collecting / playing - back. coding / decoding of speech signal and communication with embedded cpu. etc

    該語音編解碼器的硬體基於tms320vc5410 ，編解碼演算法遵循itu - tg . 729a協議，能夠實現語音信號的採集/回放、編碼/解碼以及同嵌入式cpu通信等功能，在8kbit / s的碼率下能夠提供獲得良好的語音質量。
  3. Supported by superior technologies and system design expertise, dsp has made great development in the markets of education and e - toys, featured products as digital language learner / reciter, e - dictionary, kid - learning player, children - book, al - quran 、 sutra - player, speech responsive toys, all kinds of electronic - gifts and long times speech solutions

    公司研發實力雄厚，在承接客戶委託開發項目的同時，專注于語音及音樂播放類的教育電子和玩具電子兩大專業市場，已推出獨具特色的數碼學習機/復讀機、電子詞典、早教機、課本點讀機、古蘭經播放器、念佛機、語音互動玩具、各類電子禮品及長秒數語音產品方案。
  4. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中，為提高系統軟、硬體整體穩定性和可靠性，使用了以下幾種方法： （ 1 ）低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術； （ 2 ）多層pcb設計，線路板結構緊湊，電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電； （ 3 ）選用表面貼和bga封裝的器件； （ 4 ）按照軟體工程的要求進行系統分析，規劃系統框圖、流程分析、模塊劃分，減小了不同模塊的相關性，從而最大限度避免了錯誤的發生。
  5. 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。
  6. European digital cellular telecommunications system - half rate speech - part 4 : comfort noise aspects for the half rate speech traffic channel ; english version ets 300581 - 4 : 1995

    歐洲數字移動電話遠程通信系統.半價話務.第4部分:半
  7. Digital speech has preponderance over analog speech in reliability, robustness and security during communication. however, digital speech needs more bandwidth than the analog signal. especially with the requirement for communication frequency increasing, it ' s necessary to code speech signal at low rates

    但是，數字化后的信號所佔的頻帶大幅增加，特別是在帶寬需求日益增長的今天，這個問題尤為突出，因此語音的低速率編碼（即壓縮編碼）成為迫切的要求。
  8. Tms320vc549 is used as the core circuit, tle2064 amplifies the signals, tlc320ac02 converts the analog signal to the digital signal ( a / d ), tms320vc549 trains and recognizes the speech signals, and the circuit of lcd displays the result

    整個系統以tms320vc549為核心電路進行設計， tle2064進行放大， tlc320ac02進行a d轉換， tmcs30vc549進行訓練和識別語音信號，由lcd顯示結果。
  9. Professor ching s research interests include adaptive digital signal processing, time delay estimation and target localization, wavelets, blind signal estimation and separation, automatic speech recognition for cantonese, speech modeling and speech synthesis, hands - free communications and advanced signal processing techniques for communications

    程教授從事的研究包括信息技術、數字信號處理、語音分析合成、識別，以及陣列處理及通信等。他出版了一百六十多篇專文，先後于國際性期刊刊登及於國際會議中發表。
  10. Speech by mr k h lau, director of information technology services at the closing ceremony of " digital 21 power for youth " ( chinese version )

    資訊科技署署長劉錦洪于廿一世紀數碼青年新動力閉幕典禮上的致辭
  11. Speech communication is one of the most used modes in the digital trunking communication system. excellent algorithm of speech coding can save the bandwidth resource, improve the utilization of frequency, so it has important value for investigation

    語音通信是數字集群通信系統中最常用的通信方式之一，優良的語音編解碼演算法能夠更加有效地節省帶寬資源，提高頻率利用率，因此具有重要的研究價值。
  12. Digital speech code

    數字語音編碼
  13. At last, digital speech classroom is designed under our technology and software & hardware conditions

    最後，在現有科研水平和軟硬體條件下，設計了數字化語音教室。
  14. Digital speech interpolation dsi

    數字話音插空，數字語音插空
  15. Digital speech interpolation

    數字語音插空
  16. At the same time, the process of digital speech signal is developed rapidly in information field. there are many ways have been brought forward in voice compress

    同時，由於用數字化的方法進行語音信號處理是目前發展最為迅速的信息學研究領域之一，由此誕生了許多種語音壓縮處理方法。
  17. Digital speech ' s store is also an important field that requires high quality speech coding algorithm because now all kinds of portable digital recorder is more and more popular

    另外在語音存儲領域，近年來隨著各種便攜數碼錄音裝置的流行，對高合成語音質量的語音編碼演算法也提出了迫切的要求。
  18. Therefore, in this degree paper, designing and applying an equipment to detect and record the locomotive operator ' s speech information is mainly concerned. the paper is made on the basis of two projects the author involved, namely, mvr01a multi - channel digital speech recording system and meishan locomotive speech recording and querying system

    本學位論文的實踐基礎建立在作者所參與的兩個項目： 「 mvr01a多通道數字語音記錄系統」和「梅山機車語音記錄查詢系統」之上；論文將主要著重於介紹如下兩個方面內容：車載語音記錄系統的設計與實現。
  19. Chapter 1 presents the transmission and reception system of the speech signal and then introduces the generation model of the digital speech signal

    論文第一章介紹語音信號的產生和接收過程，並給出語音信號離散時域的產生模型。
  20. Directly digitizing of speech signals needs too much high bit rate in digital speech communication, thus compression and coding of the speech signals is essential in the process to increase the efficiency of transmission and storage, as well as the channel capacity

    數字語音通信中，語音信號直接數字化所需的數碼率太高，為了提高傳輸和存儲的效率，充分利用通道容量，必須對數字語音信號進行壓縮編碼。
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