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- In this paper, we give a new speech coding algorithm based on ADPCM. 为了实现本论文的目的,本论文设计了一种基于ADPCM 编码算法的新型语音编解码算法。
- Enhanced Variable Rate Codec (EVRC) is one of the most applied variable rate speech coding technologies. 增强型可变速率编解码器EVRC以其较高的合成语音质量和较低的平均码率成为目前应用范围广泛的变速率语音编码技术之一。
- A new Split Vector Quantizer(SVQ) of LSF parameters is designed in LPC speech coding. 在LPC语音编码中设计了一种新的LSF参数分裂矢量量化器。
- The experiments show that 8 kbit/s CS ACELP is a high quality speech coding algorithm. 结果表明 ,CS ACELP是一种高质量的语音编码算法
- This paper proposes a VAD algorithm for triple-rate speech coding based on ITU-T standard G. 729B. 文章通过分析国际电信联盟的G.;729B标准,提出了一种适用于三速率语音编码方式的VAD算法。
- A nonlinear prediction speech coding ADPCM algorithm based on RBF is introduced in this paper. 用神经网络建立非线性预测模型对语音信号进行处理,采用后向预测建模,不增加传输码率。
- Robust speaker verification in low bit rate channels The influence of speech coding on text-independent speaker verification was studied. 研究了多种低速率信道环境下,语音编码对与文本无关说话人确认的影响。
- Except simple coding in modern speech coding technology, there is a serial of technology to solve transmitting medium and surrounding problems. 现代语音编解码技术中,除了单纯的编码解码之外,针对传输媒质、环境等问题,又涌出了一系列与之相关的技术。
- The DRT tests showed that the high intelligent reconstructed speech was produced with this kind of speech coding method at 2 kbit/s. DRT测试结果表明,该2kbit/s语音编码方法能获得高可懂度的重建语音。
- The weighted LPCC feature based on the distortion of speech coding was explored to reduce the influence under the matched condition. 在前者中,通过分析语音编码对LPCC参数的影响,提出了一种基于编码失真的LPCC加权参数。
- Introduce the principle of voice compression coding methods and the implementation of speech coding beginner quick entry. 语音压缩编码原理介绍和实现方法,对语音编码的初学者入门快。
- Voice coding vector quantization in speech coding is a widely used technology, speech coding do believe that the very useful. 语音矢量量化编码是一项在语音编码中应用广泛的技术,相信对做语音编码的很有用。
- BACKGROUND: Speech coding program of artificial cochlea in China is based on foreign language features.So its tone recognition is not favorable. 背景:目前国内使用人工耳蜗的言语编码方案是基于西方语言特点设计,未考虑到汉语语音特点,故其声调识别效果欠佳。
- Based on the foundational techniques of speech coding, the advantages and disadvantages of several speech coding techniques are analyzed. 摘要在讨论语音编码技术的基础上,分析了几类语音编码技术的优缺点;
- Testing with the average segment SNR and Perceptual Evaluation of Speech Quality(PESQ),the improved algorithm is close to G.728 in speech coding quality. 用平均分段信噪比和感知语音质量评价(PESQ)测试,改进算法编码质量接近于G.;728。
- This paper presents a non-uniform and part-searching-area algebraic codebook based on Algebraic Code Excited Linear Preiction(ACELP) speech coding algorithm. 该文基于代数码激励线性预测(ACELP)语音编码算法提出了非均匀和部分搜索域代数码书。
- The speech coding technology is one of the key technologies in mobile communication systems which can be used to improve antifading and antiinterfernce abilities of the system. 移动通信系统采取了多种行之有效的关键技术来提高系统抗衰落和抗干扰能力,语音编码技术即是其中一种。
- Vector Quantization theory has been successfully used in speech coding, speech synthesis, speech recognition and speaker recognition as a non-parameter recognition method. 矢量量化技术作为一种非参数的模式识别方法,已经成功应用于语音编码、语音合成、语音识别和说话人识别方面。
- G.729AB algorithm presented by ITU is a speech coding standard of the lower speed.It has the advantages of the high quality, low delay and good stability. 摘要G.;729AB是ITU提出的中低速语音编解码算法,具有语音质量高、低延时和稳定性好的优点。
- Abstract: This paper presents a high quality variable-rate speech coding at 2.4kbps,1.2kbps and 800bps based on the algorithm of Multi-Band Excitation (MBE). 本文以多带激励声码器为模型,采用了多种技术去降低编码速率和改善音质.;我们利用动态规划算法对基音周期进行平滑,去除了声码器中常有的音调噪声