vocoder 中文意思是什麼

音標 ['vəuˌkəudə]
vocoder 解釋
n. 名詞 〈美國〉 語音編碼機。

  1. Realization of vocoder in tetra digital trunking terminal with dsp

    數字集群手機的聲碼器
  2. And a new pitch extraction algorithm, an active / inactive frame decision algorithm and a voiced / unvoiced frame decision algorithm are developed with the aims to improve the quality of the vocoder and reduce its overall computation load

    本文引入了一種新的基音周期計算方法，靜音幀判決演算法，清音幀判決演算法，清濁音信息接收端重建等新演算法，提高了合成語音的質量，降低了演算法的總計算量。
  3. Project 25 vocoder mean opinion score conformance test

    項目25 .聲碼器平均評價值符合性試驗
  4. Project 25 - vocoder reference test

    項目25 .聲碼器基準試驗
  5. Apco project 25 vocoder description

    Apco項目25音碼器描述
  6. Project 25 - vocoder description

    項目25 .聲碼器描述
  7. Linear prediction vocoder

    線性預測聲碼器
  8. Evrc vocoder is widely used in the base station of is - 95 and cdma2000

    在is - 95和cdma2000的基站中， evrc聲碼器都得到了廣泛的應用。
  9. So q4401 is a high molar voice vocoder. lt has a very extensive application

    因此， q4401是一種高質量的聲碼器，其應用范圍將是十分廣泛的。
  10. The testing results show that the vocoder can synthesize high - quality speech when transmission rate is set to be 2. 4kbps

    非正式編解碼測試表明，本文的聲碼器能在2 . 4kbps的編碼速率上合成出較好的語音。
  11. At the present time, evrc is the best vocoder in the cdma system when take into account both the voice quality and the encode rate

    在目前的cdma系統中，綜合語音質量和編碼速率， evrc是最佳的語音編碼器。
  12. We select fpga of type xc3s200 as hardware to design the coder and display the hardware resources inside, moreover study the method and steps of designing dsp, based on fpga, by using system generator, finally, it emphasizes the design process of multi - band excitation vocoder. we can work out the module of high pass filter and the module of low pass filter, module of divide frame, module of keynote rough estimate, module of keynote fine estimate, module of band - separated v / u judgment / verdict and module of band - separated amplitude estimate, by using simulink, ise and system generator

    本文選用型號為xc3s200的fpga作為設計編碼器的核心硬體，介紹了其內部所含的硬體資源，並研究了利用systemgenerator基於fpga設計dsp的方法和步驟，最後，本文把重點放在多帶激勵語音編碼器的設計上，利用simulink ， ise和systemgenerator分別設計其中的高通低通濾波器模塊、分幀疊加模塊、基音粗估模塊、基音精細估計模塊、分帶v / u判決模塊、分帶幅度估計模塊。
  13. The evrc vocoder is varialbe rate, the maximal encode rate is skbps, its voice quality is closed to qcelp - 13k, and has better ability of anti - disturbance

    Evrc聲碼器是可變速率的，最大編碼速率為8kbps ，在話音質量上接近於qcelp - 13k的語音編碼器，且具有更好的抗干擾能力。
  14. And the main focus is the design, implementation and testing of an adaptive line echo canceller and a vocoder based on multi - band excitation ( mbe ) model

    主要工作是設計並實現電話線路自適應回波抵消器和基於多帶激勵模型的語音編解碼器。
  15. Firstly, it introduces the development of speech coding, along with the significance of the low bit rate speech coding. it also compares the model of traditional dualistic excitation lpc vocoder and the multi - band excitation vocoder, and lucubrates the analytical method of frequency domain and time domain in the parameter extraction of multi - band excitation vocoding. secondly, based on the parameter extraction operation of keynote cycle, it adopts time domain in rough estimate operation of keynote and frequency domain in fine estimate operation of keynote, in according to the immediacy required in practice, to minish operation amount

    本文闡述了一種基於fpga的多帶激勵語音編碼器的研究與設計，首先介紹語音編碼研究的發展狀況以及低速率語音編碼研究的意義，接著對比分析了傳統二元激勵lpc聲碼器模型和多帶激勵編碼器模型，並深入研究了多帶激勵語音編碼參數提取的頻域和時域分析法，然後根據實際應用的實時性要求，為了減小運算量，在基音周期參數的提取的演算法實現上，本文採用在時域進行基音粗估運算，在頻域進行基音精細估計運算。
  16. The informal subjective test in real - time processing indicates that the synthetic speech quality of amr vocoder is better than it of rpe - ltp in gsm system, achieving toll quality, that can apply to devices employing the amr vocoder within the 3gpp system in terms of software and hardware

    實時處理的非正式主觀測試表明，合成語音質量優于gsm的rpe - ltp的語音質量，達到長途語音質量，完全可以實際應用，為第三代移動通信中聲碼器設備的研製奠定了良好的軟體和硬體基礎。
  17. The author realize the selectable mode vocoder under visual c + + 6. 0 environment. this paper shows the contrastive results between the original speech signal and the synthesized signal of smv under various modes and environment, it also shows the results of the test of smv ' s performance. at last the direction of the smv ' s studying is introduced on the basis of analysis of speech signal

    作者在vc6 . 0環境下模擬實現了smv演算法，本文給出了smv在不同模式、對不同環境下的語音信號進行編碼的對比結果，介紹了對其主客觀性能進行測試的結果，並進一步從中得出結論，最後在對語音信號進行分析的基礎上提出了下一步的工作方向。
  18. In the study of speech coding in present, the mixed excitation linear prediction ( melp ) is a kind of relatively good method. the melp vocoder is the new federal standard speech coder

    在現有的語音編碼研究中，混合激勵線性預測編碼（ melp ）是一種比較好的方法， melp編碼方法已經被確定為美國新的聯邦語音編碼標準。
  19. The paper makes great efforts on the software optimization of evrc vocoder. based on the understanding of tms320c64xx cpu structure, we do deeply - optimization on the loop which appear usually in voice signal processing, and this improve the utility ratio of cpu and the parallelity degree of cpu function cell. at the same time, we utilize the bit - exact test to test the fixed - point evrc vocoder with the test vectors of tia / eia / is - 718, which improve the robustness of the vocoder

    本文圍繞定點evrc聲碼器的軟體優化，做了大量的工作，在充分理解tms320c64xxcpu結構的基礎上，針對語音信號處理中大量出現的循環運算進行了深度優化，大大提高了cpu的利用率以及cpu功能單元的并行程度，同時，我們還用tia / eia / is - 718的測試向量對定點evrc聲碼器進行了嚴格比特對準測試，提高了聲碼器的魯棒性。
  20. It was selected by the united states department of defense digital voice processing consortium ( ddvpc ). the melp vocoder is based on the traditional lpc parametric model, but also includes four additional features

    該演算法結合了二元激勵、碼激勵和多帶激勵的優點，能在較低的碼率下得到較好的再生語音。
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