instantaneous pitch frequency 瞬间音高频率
Frequency and Pitch 频率与音调
pitch natural frequency 纵摇自然频率
frequency of pitch 纵摇频率
To solve the former, this article, based on the sine model of the speech signals, develops a new algorithm to extract the pitch from the speech signals by analysing the average energy value of pitch frequency harmonic.
为解决问题一,本文在语音信号正弦模型的基础上,通过分析基频平均谐波能量值,提出一种新的混叠语音基音提取算法。
参考来源 - 基于独立分量分析和基音提取技术的盲源分离·2,447,543篇论文数据，部分数据来源于NoteExpress
The improved method based on fuzzy entropy, which analyzed and distilled the weight of speech duration, average magnitudes, pitch frequency, formants and Mel-frequency cesptral coefficients.
分析了发音持续时间、平均振幅、基音频率，第一共振峰和Mel频率倒谱参数，并基于模糊熵理论提取了各参数的权重。
If a singer hits a pitch that matches the frequency of one glass, the glass might absorb so much acoustic energy that it will shatter; the other glasses remain unaffected.
如果一个歌手唱到一定的音高，那么与之频率相对应的酒杯就会共振，有时杯子吸收了太多的能量而碎掉，但是其他的杯子却安然无恙。
A vibration that has a higher or lower frequency than a sound, he found, tends to skew pitch perception up or down.
频率超过或低于声音频率的震动会分别引起音高知觉的上调和下调。
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