語音發生器 的英文怎麼說
中文拼音 [yǔyīnfāshēngqì]
語音發生器
英文
speech generator- 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
- 發 : 名詞(頭發) hair
- 生 : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
- 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
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With the developing of vlsi in recent years, high function dsp has been produced ( such as tms320 series dsp produced by ti ) and their cost is dropping. thus, this established the foundation for making complex speech coder practical and producible. the paper researched and discussed the fix - point real implementation of g. 728 by dsp tms320c5402 chip
但是,近幾年來,隨著大規模集成電路( vlsi )的發展,已生產出高性能數字信號處理晶元(例如ti的tms320系列dsp晶元) ,而且其成本在不斷降低,這就為復雜的語音編碼器的實用化和產品化奠定了基礎。Adding dtmf support to your application is easy, and it guarantees a system response that is not subject to speech misrecognitions for example, if you expect users to call from noisy environments that could cause problems for the speech recognizer, it s a good idea to support dtmf
在您的應用程序中添加dtmf支持是很容易的,而且這樣做會保證您的系統響應不會發生語音誤識別(例如,如果您的用戶是在嘈雜的環境中調用的,會給語音識別器帶來一些問題,那麼支持dtmf是一個很好的主意) 。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。At first, from the discrete digital model of the speech generation, the basic of speech encoding technology is briefly introduced in this thesis. secondly, some key techniques in the linear predictive speech coder of g. 723. 1 arithmetic are discussed in detail
本文首先從語音產生的離散數字模型出發,簡要敘述了語音編碼的技術基礎,詳細討論了g . 723 . 1標準的線性預測編碼聲碼器的一些關鍵技術。I has mainly discussed the sofeware and hardware of aribrary waveform generator controlled by the microcontroller in my with the control of the high proformance microcontroller - 80c196kc, this instrument builds up the main circuit adopting single tone and dac of ad9857. in my project, i. have designed some special circuits with the advanced method of eda ( electron design automation ) based on vhdl and cpld. it can produce standard waveforms such as sine, square, triangle, and generate aribrary waveform according to the user ' s demand, at the same time, it has the ability to produce the amplitude modulation signal based on the carrier of sine and the aribrary waveform
論文中主要對微機控制的任意波形發生器的軟硬體設計進行了相應的研究,該任意波形發生器以intel公司16位高性能單片機80c196kc作為控制器,分別利用了ad9857的單音頻模式和dac模式組成正弦波和任意波產生的電路,在硬體電路的設計中採用了先進的eda (電子設計自動化)技術,使用vhdl語言和可編程門陣列器件對一些特殊的電路進行了設計。In traditional low bit - rate speech coding, considering that ears are not sensitive to phase information, the phase information is often neglected, and this will result in coarse and harsh speech quality, and it even may lead to inflection in pitch
在傳統的低比特率語音編碼中,考慮到人耳對相位信息不敏感而經常忽略相位信息,這將導致語音粗糙、刺耳甚至音調發生改變。為了獲得高質量的聲碼器,語音的相位信息是不能不考慮的。分享友人