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汉语拼音：jī yīn

乐音中振幅最大、频率最低的音。由发音体整体振动所产生。

1. 复音中频率最低部分的声音。是声音的最主要成分，由发声体整体振动所产生。也叫“第一谐音”。

• She's making her New York debut at Carnegie Hall.

  她在卡内基音乐堂举行她在纽约的首次演出.

• Pitch pre - emphasis technology was used to enhance the pitch search.

  同时引入了基音预加重技术以提高自适应码本的搜索精度.

• Autocorrelation and average magnitude difference function are essential methods in pitch detection.

  自相关法和平均幅度差函数是两种常用的基音检测方法.

• An improved pitch detection algorithm based on modified cepstrum model is proposed.

  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.

• The pitch period and the spectral envelope of speech represent acoustical characteristics of the speech signal.

  基音周期体现了发声过程肺部气流的周期性,而语音频谱包络是人的声道共振滤波特性在频域中的表现.

• The system cannot be sound any notes other than the fundamental and the various overtones.

  除了基音和各种泛音以外,这种体系不能发出其他的音.

• The third part: the axes of Tchaikovsky's music composition are thought and imagination.

  第三部分: 柴科夫斯基音乐创作的轴心是思维和想象.

• A multiresolution algorithm is introduced in this paper to detect the pitch of speech signals.

  介绍了一种语音基音检测的多分辨率分析法.

• To blow ( a wind instrument ) so as to produce an overtone instead of a fundamental tone.

  超吹 ( 管乐器 ) 为奏出泛音而不是基音而吹奏(管乐器 )

• The algorithm for pitch period search with MBE model is complex in calculation and low flexible.

  MBE模型的基音周期搜索算法存在着运算量大,抗噪性能一般等缺点.

• In this paper, a new pitch detection method based on classical autocorrelation function is proposed.

  阐述了一种新的基于语音线性预测模型和经典自相关函数法的基音周期检测算法.

• A new Pitch Detection Algorithm ( PDA ) based on multi - phase filter group is presented in this paper.

  本文提出了一种基于多相滤波器组的语音基音频率检测方法.

• For a given corpus to estimate the pitch period.

  对给定语料估计其基音周期.

• Furthermore a pitch track smooth method based on morphological filter was proposed.

  此外,本文还提出了一种基于形态滤波的基音轨迹平滑方法.