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- RCAF algorithm improves the robustness and precision of pitch detection. 应用RCAF算法提取基音周期,通过搜索试探平滑算法对提取出的基音周期进行平滑处理。
- An improved speech pitch detection algorithm based on modified cepstrum model is proposed. 摘要该文提出了一种基于修正倒谱模型的改进的倒谱基音检测算法。
- A novel method of pitch detection,combining LPC-based cepstrum and Harmonic Product Spectrum(HPS),has been proposed. 摘要 基音检测算法一直是音频处理领域的研究热点,但是语音信号声道特征对基音及其谐振结构的影响很大,增加了检测的难度。
- The cepstrum method of speech pitch detection was analyzed carefully, and several shortcomings were pointed out when the method was realized digitally. 摘要对基音检测的倒谱法进行了分析,指出其在基音检测计算及其数字实现时存在不足。
- According to this algorithm, human auditory feature is utilized, and is applied to pitch detecting in low SNR and other speech disturbance problems. 该方法利用了人的听觉感知特性,适用于低信噪比和存在其它语音干扰下基音信息的提取。
- An approach of the pitch detection for obtaining speech tone of Chinese trisyllabic words on the basis of the wavelet transforms is proposed . 给出了一种基于小波变换的汉语三字词基音提取方法。
- This thesis applies HHT technique to endpoint detection, noise repression, pitch detection and the characteristic parameters procurement in speech Recognition field. 本文将HHT技术成功的应用到语音识别的语音信号端点检测、噪声抑制、基音检测和特征参数提取等领域,既在理论上分析了这种方法的可行性,还通过一些实验进行了验证,取得了良好的效果。
- Based on computational auditory scene analysis(CASA), a pitch detection algorithm is proposed to solve the problem of pitch detecting in strong noisy background. 本文针对强噪声背景下语音基音检测这一既具实际应用,又相当困难的问题,提出了一种基于计算听觉场景分析的基音检测方法。
- This thesis propose a new method of pitch detection based on the local maximum map of the autocorrelation function, and a pitch marking algorithm by L-R decision. 关于基周撷取,本文提出一个新方法,是运用自我相关函数的局部极大值地图去撷取;关于基周标位,本文也提出一个演算法,是利用左右山峰去标位。
- The result of the simulation shows that using this improved method in pitch detection,the effect can have a distinct improvement compared to the classical pitc... 仿真结果表明,利用这种改进算法做基音周期检测,检测效果会比传统倒谱检测方法有明显改善。
- She has keyed the piano up to concert pitch. 她已经把钢琴的音调升到音乐会的音高标准。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。
- The coach built the team up to a fighting pitch. 教练使全队振作起来,准备一搏。
- The pitcher tends to pitch the ball too high. 这个投球手常把球掷得过高。
- They that touch pitch will be defiled. 近墨者黑。
- A central bias function and an arithmetic of pitch detection based on central bias function were proposed for the transition sound, which cannot be detected by the traditional arithmetic of pitch calculation. 摘要针对传统的基音估计算法不能适用于过渡音的问题,提出中心偏离函数及基于中心偏离函数的基音周期检测算法。
- We planned to pitch our camps in the mountains. 我们计划在山里扎营。
- The speaker brought the crowd to fever pitch. 演讲者激起群众高昂的情绪。
- In order to overcome the disadvantages of low accuracy, high complexity, and lack of robustness in many actual pitch detection algorithms, a new algorithm for pitch detection on the basis of local modulus maxima of dyadic wavelet transform was presented. 摘要为了克服目前诸多基音周期检测算法精度低、计算复杂度高、鲁棒性差的缺点,研究了一种采用二进小波变换模极大值进行基音周期检测的算法。
- The dentist could detect no decay in her teeth. 牙医检查了她的牙,未见有龋齿。