Real time implementation of g . 723 . 1 speech coder based on tm 1語音編解碼器的實時實現(xiàn)
It is convenient to implement speech coder and decoder on a single dsps chip 在單片dsp處理器上實現(xiàn)語音信號編解碼是十分便利的。
Itu - t has also put forward a series of ones in low rate speech coder ) u ? t也在此基礎之上提出了一系列關于低速率語音編碼的解決方案, g . 723 . 1標準就是其中之一。
Waveform interpolation as a great potential speech coder has got much attention 波形內插( wi ? ? waveforminterpolation )作為一種極具潛力的語音編碼方法受到了人們的關注。
Recently , there is a great interest in researching 4kb / s toll - quality speech coders and the technology of speech bandwidth extension 擁有長途話音質量的4kb / s語音編碼及其頻帶擴展技術是當前研究的熱點。
The speech coder has two kinds of bit rate , which are 5 . 3kbps and 6 . 3kbps , so that it can switches at frame boundaries 這種聲碼器具備兩種比特率: 5 . 3kbps 、 6 . 3kbps 。在幀邊界處可以在兩種速率間進行切換。
Cs - acelp speech coder use a special codebook structure to simplify the search procedure of codebook , has the advantage of low bit - rate , low complexity , and high speech quality 它采用了特殊的碼本結構,簡化了碼本的搜索過程,具有低延遲,低計算復雜度和高語音質量的優(yōu)點。
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(xiàn)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(lián)邦語音編碼標準。
Amr speech coder is a new speech coder recommendation produced by 3 gpp using on the 3rd generation mobile communication system w - cdma . this paper mainly deal with the algorithms of amr speech coder Amr語音編解碼標準是3gpp提出的第三代移動通信系統(tǒng)w - cdma的語音編解碼標準。本文主要對amr語音編解碼算法進行了分析和研究。
The goal of this thesis is to develop a kind of 2kbps wi speech coder based on waveform interpolation ( wi ) coding at 3 . 75 kbps , and have it simulated on computer by c language . in this thesis , the existing wi model has been improved 本文的主要目標是在現(xiàn)有的3 . 75kbps波形內插( wi ? waveforminterpolation )算法的基礎上,開發(fā)一個速率為2kbps的wi編碼器,并用c語言在計算機上模擬實現(xiàn)。